added example for using the Henshin/EMF api

Signed-off-by: S.John <stefan.john@uni-marburg.de>

27 files changed, 2347 insertions, 0 deletions

diff --git a/plugins/org.eclipse.emf.henshin.examples/src/org/eclipse/emf/henshin/examples/apibasics/CreateAndStoreModel.java b/plugins/org.eclipse.emf.henshin.examples/src/org/eclipse/emf/henshin/examples/apibasics/CreateAndStoreModel.java
new file mode 100644
index 000000000..facabbbda
--- /dev/null
+++ b/plugins/org.eclipse.emf.henshin.examples/src/org/eclipse/emf/henshin/examples/apibasics/CreateAndStoreModel.java
@@ -0,0 +1,53 @@
+package org.eclipse.emf.henshin.examples.apibasics;
+
+import java.io.IOException;
+
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.emf.ecore.resource.Resource;
+import org.eclipse.emf.henshin.examples.apibasics.boxing.Boxing;
+import org.eclipse.emf.henshin.examples.apibasics.boxing.BoxingFactory;
+import org.eclipse.emf.henshin.model.resource.HenshinResourceSet;
+
+public class CreateAndStoreModel {
+
+	// The dir used by the HenshinResourceSet to resolve relative paths.
+	private static final String BASEDIR = "src/org/eclipse/emf/henshin/examples/apibasics/models";
+
+	public static void main(String[] args) {
+		EObject model = createModel();
+		saveModel(model);		
+	}
+
+	public static EObject createModel() {
+		// Model elements can be created by the generated factory.
+		BoxingFactory fac = BoxingFactory.eINSTANCE;
+		Boxing boxing = fac.createBoxing();
+
+		/*
+		 * Getters for attributes and references are automatically generated by
+		 * the code* generator. Use them to get and changes the contents of the
+		 * model elements.
+		 */
+		boxing.getBoxes().add(fac.createBox());
+		boxing.getItems().add(fac.createItem());
+		return boxing;
+	}
+	
+	public static void saveModel(EObject model) {
+		/*
+		 * Models can be saved by putting them into a Resource. Resources are 
+		 * managed by ResourceSets. The Henshin versions of these types are a 
+		 * bit easier to use.
+		 */
+		HenshinResourceSet rs = new HenshinResourceSet(BASEDIR);
+		Resource res = rs.createResource("createdInstanceStatic.xmi");
+		res.getContents().add(model);
+
+		try {
+			res.save(null);
+		} catch (IOException e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+		}
+	}
+}
diff --git a/plugins/org.eclipse.emf.henshin.examples/src/org/eclipse/emf/henshin/examples/apibasics/ExecuteHenshinRule.java b/plugins/org.eclipse.emf.henshin.examples/src/org/eclipse/emf/henshin/examples/apibasics/ExecuteHenshinRule.java
new file mode 100644
index 000000000..c2ee06eae
--- /dev/null
+++ b/plugins/org.eclipse.emf.henshin.examples/src/org/eclipse/emf/henshin/examples/apibasics/ExecuteHenshinRule.java
@@ -0,0 +1,72 @@
+package org.eclipse.emf.henshin.examples.apibasics;
+
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.emf.henshin.interpreter.EGraph;
+import org.eclipse.emf.henshin.interpreter.Engine;
+import org.eclipse.emf.henshin.interpreter.UnitApplication;
+import org.eclipse.emf.henshin.interpreter.impl.EGraphImpl;
+import org.eclipse.emf.henshin.interpreter.impl.EngineImpl;
+import org.eclipse.emf.henshin.interpreter.impl.LoggingApplicationMonitor;
+import org.eclipse.emf.henshin.interpreter.impl.UnitApplicationImpl;
+import org.eclipse.emf.henshin.model.Module;
+import org.eclipse.emf.henshin.model.Unit;
+import org.eclipse.emf.henshin.model.resource.HenshinResourceSet;
+
+public class ExecuteHenshinRule {
+		
+	public static void main(String[] args) {
+		EObject modelRoot = LoadModel.loadModel();
+		
+		/* 
+		 * Generally it is a good idea to use the same ResourceSet for loading
+		 * the model and the Henshin rules as it is less error prone. 
+		 */		
+		HenshinResourceSet rs = (HenshinResourceSet) modelRoot.eResource()
+				.getResourceSet();
+		
+		/*
+		 * Static rules need to be used when working with static models. 
+		 * When creating a .henshin file, make sure to add the metamodel
+		 * "From Registry" and not via the .ecore file.
+		 * To add the metamodel to the Registry, start a new Eclipse
+		 * instance (right click on project -> Run as -> Eclipse Application)
+		 * from the workspace containing you metamodel classes. In that new
+		 * instance you should be able to create henshin diagrams using
+		 * the "From Registry" button to load the model.
+		 * 
+		 * You might want to compare rulesStatic and rulesDynamic in a text
+		 * editor to learn about the differences.
+		 */
+		Module rules = rs.getModule("rulesStatic.henshin", true);
+		Unit testRule = rules.getUnit("addItemToBox");
+		
+		/* For performance reasons you should reuse the Engine and EGraph in 
+		 * your code when possible. However, do NOT reuse UnitApplications if
+		 * you don't have a specific reason for that. UnitApplication keep some
+		 * state of former rule executions. Reusing them can lead to unintended
+		 * behavior.
+		 */
+		Engine engine = new EngineImpl();
+		EGraph graph = new EGraphImpl(modelRoot);
+		
+		/* 
+		 * If multiple macthes for a rule exists in a model, the following 
+		 * allows a rule to select randomly where it is applied.
+		 */ 
+		engine.getOptions().put(Engine.OPTION_DETERMINISTIC, false);
+		
+		UnitApplication application = new UnitApplicationImpl(engine, graph, testRule, null);
+	
+		/*
+		 *  If you want to analyse the execution of a rule you can use a
+		 *  LoggingApplicationMonitor to get some feedback on console.
+		 *  Otherwise use null as parameter. 
+		 */	
+		application.execute(new LoggingApplicationMonitor());
+	}
+}
+
+/*
+ * For more information on using the Henshin API visit
+ * https://wiki.eclipse.org/Henshin/Interpreter.
+ */
\ No newline at end of file
diff --git a/plugins/org.eclipse.emf.henshin.examples/src/org/eclipse/emf/henshin/examples/apibasics/LoadModel.java b/plugins/org.eclipse.emf.henshin.examples/src/org/eclipse/emf/henshin/examples/apibasics/LoadModel.java
new file mode 100644
index 000000000..2af6c6bc1
--- /dev/null
+++ b/plugins/org.eclipse.emf.henshin.examples/src/org/eclipse/emf/henshin/examples/apibasics/LoadModel.java
@@ -0,0 +1,67 @@
+package org.eclipse.emf.henshin.examples.apibasics;
+
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.emf.ecore.resource.Resource;
+import org.eclipse.emf.henshin.examples.apibasics.boxing.Boxing;
+import org.eclipse.emf.henshin.examples.apibasics.boxing.BoxingPackage;
+import org.eclipse.emf.henshin.model.resource.HenshinResourceSet;
+
+public class LoadModel {
+	
+	// The dir used by the HenshinResourceSet to resolve relative paths.
+	private static final String BASEDIR = "src/org/eclipse/emf/henshin/examples/apibasics/models";
+	
+	public static void main(String[] args) {
+				
+		EObject modelRoot = loadModel();
+		
+		/* 
+		 * If you registered the metamodel, you should have an object with the 
+		 * type of your model root. In that case, you can cast to the concrete
+		 * type if you need to access model elements.
+		 */
+		System.out.println("Type of the root: " + modelRoot.getClass());
+		Boxing boxing = (Boxing) modelRoot;
+		System.out.println("First item: " + boxing.getItems().get(0));		
+	}
+	
+	public static EObject loadModel() {
+		
+		HenshinResourceSet rs = new HenshinResourceSet(BASEDIR);
+		/*
+		 * Metamodels need to be registered in order to use instance models in
+		 * a static way (using the classes with their specific getters 
+		 * generated for your model. This can be done by registering the 
+		 * package of your model in the package registry of the ResourceSet 
+		 * which you use to load instance models. 
+		 * In that case, it does not matter if the loaded model has been 
+		 * created as a static model (e.g. by using the api as shown in 
+		 * CreateAndStoreModel.java) or if it is a dynamic model created by, 
+		 * e.g., right clicking the root in the .ecore file and choosing 
+		 * "Create Dynamic Instance...".
+		 * 
+		 * You might want to compare instanceStatic and instanceDynamic in a
+		 * text editor to learn about the differences.
+		 */ 
+		rs.getPackageRegistry().put(BoxingPackage.eINSTANCE.getNsURI(), 
+				BoxingPackage.eINSTANCE);
+		Resource res = rs.getResource("instanceStatic.xmi");
+		
+		/* 
+		 * Usually there is only one model root stored in an xmi file. So
+		 * getContents() should return a list with one element.
+		 */
+		EObject modelRoot = res.getContents().get(0);
+		 
+		
+		/* WARNING:
+		 * If the metamodel is not registered before loading, you are working
+		 * with dynamic models. In that case you can access all model elements 
+		 * only by very generic reflective accessor methods. If you think you
+		 * need dynamic EMF more info can be found here:
+		 * https://www.ibm.com/developerworks/library/os-eclipse-dynamicemf
+		 */
+		
+		return modelRoot;
+	}
+}
diff --git a/plugins/org.eclipse.emf.henshin.examples/src/org/eclipse/emf/henshin/examples/apibasics/TestRule.java b/plugins/org.eclipse.emf.henshin.examples/src/org/eclipse/emf/henshin/examples/apibasics/TestRule.java
new file mode 100644
index 000000000..b6383fd2e
--- /dev/null
+++ b/plugins/org.eclipse.emf.henshin.examples/src/org/eclipse/emf/henshin/examples/apibasics/TestRule.java
@@ -0,0 +1,101 @@
+package org.eclipse.emf.henshin.examples.apibasics;
+
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+import java.util.List;
+
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.emf.ecore.resource.Resource;
+import org.eclipse.emf.henshin.examples.apibasics.boxing.Boxing;
+import org.eclipse.emf.henshin.examples.apibasics.boxing.BoxingPackage;
+import org.eclipse.emf.henshin.interpreter.Engine;
+import org.eclipse.emf.henshin.interpreter.UnitApplication;
+import org.eclipse.emf.henshin.interpreter.impl.EGraphImpl;
+import org.eclipse.emf.henshin.interpreter.impl.EngineImpl;
+import org.eclipse.emf.henshin.interpreter.impl.LoggingApplicationMonitor;
+import org.eclipse.emf.henshin.interpreter.impl.UnitApplicationImpl;
+import org.eclipse.emf.henshin.model.Module;
+import org.eclipse.emf.henshin.model.resource.HenshinResourceSet;
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+
+class TestRule {
+	
+	private static final String BASEDIR = "src/org/eclipse/emf/henshin/examples/apibasics/models";
+	
+	private static Engine engine;
+	private static Resource modelResource;
+	private static EObject model;
+	private static List<EObject> roots;
+	private static Module module;
+	private static UnitApplication unitApp;
+	private static HenshinResourceSet rs;
+	
+	/*
+	 *  Create the ResourceSet where models and rules are managed in and 
+	 *  register metamodel.
+	 */
+	@BeforeAll
+	public static void setup() {
+		rs = new HenshinResourceSet(BASEDIR);
+		rs.getPackageRegistry().put(BoxingPackage.eINSTANCE.getNsURI(), BoxingPackage.eINSTANCE);
+		engine = new EngineImpl();
+	}
+	
+	/* 
+	 * Before each new test, the resource holding the input model and the rules
+	 * need to be reset. This is necessary as 
+	 * "modelResource = rs.getResource("xyz.xmi")" will not load the model xyz
+	 * again if it is already loaded by modelResource. As a consequence, 
+	 * changes we applied to xyz would not be discarded if we don't unload the
+	 * model first. Additionally, we might want to slightly change the tested 
+	 * rules (e.g., to make them deterministic) in a test case. The same 
+	 * principle as for the model applies;  we need to use unload to reset the 
+	 * rules. 
+	 */
+	@BeforeEach
+	public void resetUnitApp() {
+		if (modelResource != null) {
+			modelResource.unload();
+		}
+		rs.getResource("rulesStatic.henshin").unload();
+		module = rs.getModule("rulesStatic.henshin");
+		unitApp = new UnitApplicationImpl(engine);
+	}
+	
+	/*
+	 *  The actual test case needs to load the input model, apply the rule and
+	 *  check the resulting model.
+	 */
+	@Test
+	void testItemIsAlreadyStored() {
+		// The path is still resolved against the BASEDIR.
+		modelResource = rs.getResource("../testModels/storedItem.xmi");
+		
+		// Another way to load a model into an EGraph
+		roots = modelResource.getContents();
+		unitApp.setEGraph(new EGraphImpl(roots));				
+		unitApp.setUnit(module.getUnit("addItemToBox"));
+		
+		assertFalse(unitApp.execute(new LoggingApplicationMonitor()));
+	}
+		
+		
+	@Test
+	void testItemGetsStored() {
+		modelResource = rs.getResource("../testModels/unstoredItem.xmi");
+
+		roots = modelResource.getContents();
+		unitApp.setEGraph(new EGraphImpl(roots));		
+		unitApp.setUnit(module.getUnit("addItemToBox"));
+		
+		assertTrue(unitApp.execute(null));
+		
+		// Get resulting model from graph
+		Boxing boxing = (Boxing)unitApp.getEGraph().getRoots().get(0);
+		assertTrue(boxing.getBoxes().get(0).getStores().get(0) == boxing.getItems().get(0));		
+	}
+
+}
diff --git a/plugins/org.eclipse.emf.henshin.examples/src/org/eclipse/emf/henshin/examples/apibasics/boxing/Box.java b/plugins/org.eclipse.emf.henshin.examples/src/org/eclipse/emf/henshin/examples/apibasics/boxing/Box.java
new file mode 100644
index 000000000..f6ca97463
--- /dev/null
+++ b/plugins/org.eclipse.emf.henshin.examples/src/org/eclipse/emf/henshin/examples/apibasics/boxing/Box.java
@@ -0,0 +1,40 @@
+/**
+ */
+package org.eclipse.emf.henshin.examples.apibasics.boxing;
+
+import org.eclipse.emf.common.util.EList;
+
+import org.eclipse.emf.ecore.EObject;
+
+/**
+ * <!-- begin-user-doc -->
+ * A representation of the model object '<em><b>Box</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * <p>
+ * The following features are supported:
+ * </p>
+ * <ul>
+ *   <li>{@link org.eclipse.emf.henshin.examples.apibasics.boxing.Box#getStores <em>Stores</em>}</li>
+ * </ul>
+ *
+ * @see org.eclipse.emf.henshin.examples.apibasics.boxing.BoxingPackage#getBox()
+ * @model
+ * @generated
+ */
+public interface Box extends EObject {
+	/**
+	 * Returns the value of the '<em><b>Stores</b></em>' reference list.
+	 * The list contents are of type {@link org.eclipse.emf.henshin.examples.apibasics.boxing.Item}.
+	 * It is bidirectional and its opposite is '{@link org.eclipse.emf.henshin.examples.apibasics.boxing.Item#getIsStoredBy <em>Is Stored By</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Stores</em>' reference list.
+	 * @see org.eclipse.emf.henshin.examples.apibasics.boxing.BoxingPackage#getBox_Stores()
+	 * @see org.eclipse.emf.henshin.examples.apibasics.boxing.Item#getIsStoredBy
+	 * @model opposite="isStoredBy"
+	 * @generated
+	 */
+	EList<Item> getStores();
+
+} // Box
diff --git a/plugins/org.eclipse.emf.henshin.examples/src/org/eclipse/emf/henshin/examples/apibasics/boxing/Boxing.java b/plugins/org.eclipse.emf.henshin.examples/src/org/eclipse/emf/henshin/examples/apibasics/boxing/Boxing.java
new file mode 100644
index 000000000..d09fcf4db
--- /dev/null
+++ b/plugins/org.eclipse.emf.henshin.examples/src/org/eclipse/emf/henshin/examples/apibasics/boxing/Boxing.java
@@ -0,0 +1,51 @@
+/**
+ */
+package org.eclipse.emf.henshin.examples.apibasics.boxing;
+
+import org.eclipse.emf.common.util.EList;
+
+import org.eclipse.emf.ecore.EObject;
+
+/**
+ * <!-- begin-user-doc -->
+ * A representation of the model object '<em><b>Boxing</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * <p>
+ * The following features are supported:
+ * </p>
+ * <ul>
+ *   <li>{@link org.eclipse.emf.henshin.examples.apibasics.boxing.Boxing#getBoxes <em>Boxes</em>}</li>
+ *   <li>{@link org.eclipse.emf.henshin.examples.apibasics.boxing.Boxing#getItems <em>Items</em>}</li>
+ * </ul>
+ *
+ * @see org.eclipse.emf.henshin.examples.apibasics.boxing.BoxingPackage#getBoxing()
+ * @model
+ * @generated
+ */
+public interface Boxing extends EObject {
+	/**
+	 * Returns the value of the '<em><b>Boxes</b></em>' containment reference list.
+	 * The list contents are of type {@link org.eclipse.emf.henshin.examples.apibasics.boxing.Box}.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Boxes</em>' containment reference list.
+	 * @see org.eclipse.emf.henshin.examples.apibasics.boxing.BoxingPackage#getBoxing_Boxes()
+	 * @model containment="true"
+	 * @generated
+	 */
+	EList<Box> getBoxes();
+
+	/**
+	 * Returns the value of the '<em><b>Items</b></em>' containment reference list.
+	 * The list contents are of type {@link org.eclipse.emf.henshin.examples.apibasics.boxing.Item}.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Items</em>' containment reference list.
+	 * @see org.eclipse.emf.henshin.examples.apibasics.boxing.BoxingPackage#getBoxing_Items()
+	 * @model containment="true"
+	 * @generated
+	 */
+	EList<Item> getItems();
+
+} // Boxing
diff --git a/plugins/org.eclipse.emf.henshin.examples/src/org/eclipse/emf/henshin/examples/apibasics/boxing/BoxingFactory.java b/plugins/org.eclipse.emf.henshin.examples/src/org/eclipse/emf/henshin/examples/apibasics/boxing/BoxingFactory.java
new file mode 100644
index 000000000..5ed8dc6c9
--- /dev/null
+++ b/plugins/org.eclipse.emf.henshin.examples/src/org/eclipse/emf/henshin/examples/apibasics/boxing/BoxingFactory.java
@@ -0,0 +1,60 @@
+/**
+ */
+package org.eclipse.emf.henshin.examples.apibasics.boxing;
+
+import org.eclipse.emf.ecore.EFactory;
+
+/**
+ * <!-- begin-user-doc -->
+ * The <b>Factory</b> for the model.
+ * It provides a create method for each non-abstract class of the model.
+ * <!-- end-user-doc -->
+ * @see org.eclipse.emf.henshin.examples.apibasics.boxing.BoxingPackage
+ * @generated
+ */
+public interface BoxingFactory extends EFactory {
+	/**
+	 * The singleton instance of the factory.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	BoxingFactory eINSTANCE = org.eclipse.emf.henshin.examples.apibasics.boxing.impl.BoxingFactoryImpl.init();
+
+	/**
+	 * Returns a new object of class '<em>Boxing</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return a new object of class '<em>Boxing</em>'.
+	 * @generated
+	 */
+	Boxing createBoxing();
+
+	/**
+	 * Returns a new object of class '<em>Box</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return a new object of class '<em>Box</em>'.
+	 * @generated
+	 */
+	Box createBox();
+
+	/**
+	 * Returns a new object of class '<em>Item</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return a new object of class '<em>Item</em>'.
+	 * @generated
+	 */
+	Item createItem();
+
+	/**
+	 * Returns the package supported by this factory.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the package supported by this factory.
+	 * @generated
+	 */
+	BoxingPackage getBoxingPackage();
+
+} //BoxingFactory
diff --git a/plugins/org.eclipse.emf.henshin.examples/src/org/eclipse/emf/henshin/examples/apibasics/boxing/BoxingPackage.java b/plugins/org.eclipse.emf.henshin.examples/src/org/eclipse/emf/henshin/examples/apibasics/boxing/BoxingPackage.java
new file mode 100644
index 000000000..5e2fed526
--- /dev/null
+++ b/plugins/org.eclipse.emf.henshin.examples/src/org/eclipse/emf/henshin/examples/apibasics/boxing/BoxingPackage.java
@@ -0,0 +1,340 @@
+/**
+ */
+package org.eclipse.emf.henshin.examples.apibasics.boxing;
+
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.EPackage;
+import org.eclipse.emf.ecore.EReference;
+
+/**
+ * <!-- begin-user-doc -->
+ * The <b>Package</b> for the model.
+ * It contains accessors for the meta objects to represent
+ * <ul>
+ *   <li>each class,</li>
+ *   <li>each feature of each class,</li>
+ *   <li>each operation of each class,</li>
+ *   <li>each enum,</li>
+ *   <li>and each data type</li>
+ * </ul>
+ * <!-- end-user-doc -->
+ * @see org.eclipse.emf.henshin.examples.apibasics.boxing.BoxingFactory
+ * @model kind="package"
+ * @generated
+ */
+public interface BoxingPackage extends EPackage {
+	/**
+	 * The package name.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	String eNAME = "boxing";
+
+	/**
+	 * The package namespace URI.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	String eNS_URI = "www.boxing.com";
+
+	/**
+	 * The package namespace name.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	String eNS_PREFIX = "boxing";
+
+	/**
+	 * The singleton instance of the package.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	BoxingPackage eINSTANCE = org.eclipse.emf.henshin.examples.apibasics.boxing.impl.BoxingPackageImpl.init();
+
+	/**
+	 * The meta object id for the '{@link org.eclipse.emf.henshin.examples.apibasics.boxing.impl.BoxingImpl <em>Boxing</em>}' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see org.eclipse.emf.henshin.examples.apibasics.boxing.impl.BoxingImpl
+	 * @see org.eclipse.emf.henshin.examples.apibasics.boxing.impl.BoxingPackageImpl#getBoxing()
+	 * @generated
+	 */
+	int BOXING = 0;
+
+	/**
+	 * The feature id for the '<em><b>Boxes</b></em>' containment reference list.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int BOXING__BOXES = 0;
+
+	/**
+	 * The feature id for the '<em><b>Items</b></em>' containment reference list.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int BOXING__ITEMS = 1;
+
+	/**
+	 * The number of structural features of the '<em>Boxing</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int BOXING_FEATURE_COUNT = 2;
+
+	/**
+	 * The number of operations of the '<em>Boxing</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int BOXING_OPERATION_COUNT = 0;
+
+	/**
+	 * The meta object id for the '{@link org.eclipse.emf.henshin.examples.apibasics.boxing.impl.BoxImpl <em>Box</em>}' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see org.eclipse.emf.henshin.examples.apibasics.boxing.impl.BoxImpl
+	 * @see org.eclipse.emf.henshin.examples.apibasics.boxing.impl.BoxingPackageImpl#getBox()
+	 * @generated
+	 */
+	int BOX = 1;
+
+	/**
+	 * The feature id for the '<em><b>Stores</b></em>' reference list.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int BOX__STORES = 0;
+
+	/**
+	 * The number of structural features of the '<em>Box</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int BOX_FEATURE_COUNT = 1;
+
+	/**
+	 * The number of operations of the '<em>Box</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int BOX_OPERATION_COUNT = 0;
+
+	/**
+	 * The meta object id for the '{@link org.eclipse.emf.henshin.examples.apibasics.boxing.impl.ItemImpl <em>Item</em>}' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see org.eclipse.emf.henshin.examples.apibasics.boxing.impl.ItemImpl
+	 * @see org.eclipse.emf.henshin.examples.apibasics.boxing.impl.BoxingPackageImpl#getItem()
+	 * @generated
+	 */
+	int ITEM = 2;
+
+	/**
+	 * The feature id for the '<em><b>Is Stored By</b></em>' reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int ITEM__IS_STORED_BY = 0;
+
+	/**
+	 * The number of structural features of the '<em>Item</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int ITEM_FEATURE_COUNT = 1;
+
+	/**
+	 * The number of operations of the '<em>Item</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int ITEM_OPERATION_COUNT = 0;
+
+
+	/**
+	 * Returns the meta object for class '{@link org.eclipse.emf.henshin.examples.apibasics.boxing.Boxing <em>Boxing</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for class '<em>Boxing</em>'.
+	 * @see org.eclipse.emf.henshin.examples.apibasics.boxing.Boxing
+	 * @generated
+	 */
+	EClass getBoxing();
+
+	/**
+	 * Returns the meta object for the containment reference list '{@link org.eclipse.emf.henshin.examples.apibasics.boxing.Boxing#getBoxes <em>Boxes</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the containment reference list '<em>Boxes</em>'.
+	 * @see org.eclipse.emf.henshin.examples.apibasics.boxing.Boxing#getBoxes()
+	 * @see #getBoxing()
+	 * @generated
+	 */
+	EReference getBoxing_Boxes();
+
+	/**
+	 * Returns the meta object for the containment reference list '{@link org.eclipse.emf.henshin.examples.apibasics.boxing.Boxing#getItems <em>Items</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the containment reference list '<em>Items</em>'.
+	 * @see org.eclipse.emf.henshin.examples.apibasics.boxing.Boxing#getItems()
+	 * @see #getBoxing()
+	 * @generated
+	 */
+	EReference getBoxing_Items();
+
+	/**
+	 * Returns the meta object for class '{@link org.eclipse.emf.henshin.examples.apibasics.boxing.Box <em>Box</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for class '<em>Box</em>'.
+	 * @see org.eclipse.emf.henshin.examples.apibasics.boxing.Box
+	 * @generated
+	 */
+	EClass getBox();
+
+	/**
+	 * Returns the meta object for the reference list '{@link org.eclipse.emf.henshin.examples.apibasics.boxing.Box#getStores <em>Stores</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the reference list '<em>Stores</em>'.
+	 * @see org.eclipse.emf.henshin.examples.apibasics.boxing.Box#getStores()
+	 * @see #getBox()
+	 * @generated
+	 */
+	EReference getBox_Stores();
+
+	/**
+	 * Returns the meta object for class '{@link org.eclipse.emf.henshin.examples.apibasics.boxing.Item <em>Item</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for class '<em>Item</em>'.
+	 * @see org.eclipse.emf.henshin.examples.apibasics.boxing.Item
+	 * @generated
+	 */
+	EClass getItem();
+
+	/**
+	 * Returns the meta object for the reference '{@link org.eclipse.emf.henshin.examples.apibasics.boxing.Item#getIsStoredBy <em>Is Stored By</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the reference '<em>Is Stored By</em>'.
+	 * @see org.eclipse.emf.henshin.examples.apibasics.boxing.Item#getIsStoredBy()
+	 * @see #getItem()
+	 * @generated
+	 */
+	EReference getItem_IsStoredBy();
+
+	/**
+	 * Returns the factory that creates the instances of the model.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the factory that creates the instances of the model.
+	 * @generated
+	 */
+	BoxingFactory getBoxingFactory();
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * Defines literals for the meta objects that represent
+	 * <ul>
+	 *   <li>each class,</li>
+	 *   <li>each feature of each class,</li>
+	 *   <li>each operation of each class,</li>
+	 *   <li>each enum,</li>
+	 *   <li>and each data type</li>
+	 * </ul>
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	interface Literals {
+		/**
+		 * The meta object literal for the '{@link org.eclipse.emf.henshin.examples.apibasics.boxing.impl.BoxingImpl <em>Boxing</em>}' class.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @see org.eclipse.emf.henshin.examples.apibasics.boxing.impl.BoxingImpl
+		 * @see org.eclipse.emf.henshin.examples.apibasics.boxing.impl.BoxingPackageImpl#getBoxing()
+		 * @generated
+		 */
+		EClass BOXING = eINSTANCE.getBoxing();
+
+		/**
+		 * The meta object literal for the '<em><b>Boxes</b></em>' containment reference list feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EReference BOXING__BOXES = eINSTANCE.getBoxing_Boxes();
+
+		/**
+		 * The meta object literal for the '<em><b>Items</b></em>' containment reference list feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EReference BOXING__ITEMS = eINSTANCE.getBoxing_Items();
+
+		/**
+		 * The meta object literal for the '{@link org.eclipse.emf.henshin.examples.apibasics.boxing.impl.BoxImpl <em>Box</em>}' class.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @see org.eclipse.emf.henshin.examples.apibasics.boxing.impl.BoxImpl
+		 * @see org.eclipse.emf.henshin.examples.apibasics.boxing.impl.BoxingPackageImpl#getBox()
+		 * @generated
+		 */
+		EClass BOX = eINSTANCE.getBox();
+
+		/**
+		 * The meta object literal for the '<em><b>Stores</b></em>' reference list feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EReference BOX__STORES = eINSTANCE.getBox_Stores();
+
+		/**
+		 * The meta object literal for the '{@link org.eclipse.emf.henshin.examples.apibasics.boxing.impl.ItemImpl <em>Item</em>}' class.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @see org.eclipse.emf.henshin.examples.apibasics.boxing.impl.ItemImpl
+		 * @see org.eclipse.emf.henshin.examples.apibasics.boxing.impl.BoxingPackageImpl#getItem()
+		 * @generated
+		 */
+		EClass ITEM = eINSTANCE.getItem();
+
+		/**
+		 * The meta object literal for the '<em><b>Is Stored By</b></em>' reference feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EReference ITEM__IS_STORED_BY = eINSTANCE.getItem_IsStoredBy();
+
+	}
+
+} //BoxingPackage
diff --git a/plugins/org.eclipse.emf.henshin.examples/src/org/eclipse/emf/henshin/examples/apibasics/boxing/Item.java b/plugins/org.eclipse.emf.henshin.examples/src/org/eclipse/emf/henshin/examples/apibasics/boxing/Item.java
new file mode 100644
index 000000000..11673b59b
--- /dev/null
+++ b/plugins/org.eclipse.emf.henshin.examples/src/org/eclipse/emf/henshin/examples/apibasics/boxing/Item.java
@@ -0,0 +1,48 @@
+/**
+ */
+package org.eclipse.emf.henshin.examples.apibasics.boxing;
+
+import org.eclipse.emf.ecore.EObject;
+
+/**
+ * <!-- begin-user-doc -->
+ * A representation of the model object '<em><b>Item</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * <p>
+ * The following features are supported:
+ * </p>
+ * <ul>
+ *   <li>{@link org.eclipse.emf.henshin.examples.apibasics.boxing.Item#getIsStoredBy <em>Is Stored By</em>}</li>
+ * </ul>
+ *
+ * @see org.eclipse.emf.henshin.examples.apibasics.boxing.BoxingPackage#getItem()
+ * @model
+ * @generated
+ */
+public interface Item extends EObject {
+	/**
+	 * Returns the value of the '<em><b>Is Stored By</b></em>' reference.
+	 * It is bidirectional and its opposite is '{@link org.eclipse.emf.henshin.examples.apibasics.boxing.Box#getStores <em>Stores</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Is Stored By</em>' reference.
+	 * @see #setIsStoredBy(Box)
+	 * @see org.eclipse.emf.henshin.examples.apibasics.boxing.BoxingPackage#getItem_IsStoredBy()
+	 * @see org.eclipse.emf.henshin.examples.apibasics.boxing.Box#getStores
+	 * @model opposite="stores"
+	 * @generated
+	 */
+	Box getIsStoredBy();
+
+	/**
+	 * Sets the value of the '{@link org.eclipse.emf.henshin.examples.apibasics.boxing.Item#getIsStoredBy <em>Is Stored By</em>}' reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param value the new value of the '<em>Is Stored By</em>' reference.
+	 * @see #getIsStoredBy()
+	 * @generated
+	 */
+	void setIsStoredBy(Box value);
+
+} // Item
diff --git a/plugins/org.eclipse.emf.henshin.examples/src/org/eclipse/emf/henshin/examples/apibasics/boxing/impl/BoxImpl.java b/plugins/org.eclipse.emf.henshin.examples/src/org/eclipse/emf/henshin/examples/apibasics/boxing/impl/BoxImpl.java
new file mode 100644
index 000000000..88e2cf0af
--- /dev/null
+++ b/plugins/org.eclipse.emf.henshin.examples/src/org/eclipse/emf/henshin/examples/apibasics/boxing/impl/BoxImpl.java
@@ -0,0 +1,166 @@
+/**
+ */
+package org.eclipse.emf.henshin.examples.apibasics.boxing.impl;
+
+import java.util.Collection;
+
+import org.eclipse.emf.common.notify.NotificationChain;
+
+import org.eclipse.emf.common.util.EList;
+
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.InternalEObject;
+
+import org.eclipse.emf.ecore.impl.MinimalEObjectImpl;
+
+import org.eclipse.emf.ecore.util.EObjectWithInverseResolvingEList;
+import org.eclipse.emf.ecore.util.InternalEList;
+import org.eclipse.emf.henshin.examples.apibasics.boxing.Box;
+import org.eclipse.emf.henshin.examples.apibasics.boxing.BoxingPackage;
+import org.eclipse.emf.henshin.examples.apibasics.boxing.Item;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Box</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * </p>
+ * <ul>
+ *   <li>{@link org.eclipse.emf.henshin.examples.apibasics.boxing.impl.BoxImpl#getStores <em>Stores</em>}</li>
+ * </ul>
+ *
+ * @generated
+ */
+public class BoxImpl extends MinimalEObjectImpl.Container implements Box {
+	/**
+	 * The cached value of the '{@link #getStores() <em>Stores</em>}' reference list.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #getStores()
+	 * @generated
+	 * @ordered
+	 */
+	protected EList<Item> stores;
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected BoxImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EClass eStaticClass() {
+		return BoxingPackage.Literals.BOX;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EList<Item> getStores() {
+		if (stores == null) {
+			stores = new EObjectWithInverseResolvingEList<Item>(Item.class, this, BoxingPackage.BOX__STORES, BoxingPackage.ITEM__IS_STORED_BY);
+		}
+		return stores;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@SuppressWarnings("unchecked")
+	@Override
+	public NotificationChain eInverseAdd(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
+		switch (featureID) {
+			case BoxingPackage.BOX__STORES:
+				return ((InternalEList<InternalEObject>)(InternalEList<?>)getStores()).basicAdd(otherEnd, msgs);
+		}
+		return super.eInverseAdd(otherEnd, featureID, msgs);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
+		switch (featureID) {
+			case BoxingPackage.BOX__STORES:
+				return ((InternalEList<?>)getStores()).basicRemove(otherEnd, msgs);
+		}
+		return super.eInverseRemove(otherEnd, featureID, msgs);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Object eGet(int featureID, boolean resolve, boolean coreType) {
+		switch (featureID) {
+			case BoxingPackage.BOX__STORES:
+				return getStores();
+		}
+		return super.eGet(featureID, resolve, coreType);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@SuppressWarnings("unchecked")
+	@Override
+	public void eSet(int featureID, Object newValue) {
+		switch (featureID) {
+			case BoxingPackage.BOX__STORES:
+				getStores().clear();
+				getStores().addAll((Collection<? extends Item>)newValue);
+				return;
+		}
+		super.eSet(featureID, newValue);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void eUnset(int featureID) {
+		switch (featureID) {
+			case BoxingPackage.BOX__STORES:
+				getStores().clear();
+				return;
+		}
+		super.eUnset(featureID);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public boolean eIsSet(int featureID) {
+		switch (featureID) {
+			case BoxingPackage.BOX__STORES:
+				return stores != null && !stores.isEmpty();
+		}
+		return super.eIsSet(featureID);
+	}
+
+} //BoxImpl
diff --git a/plugins/org.eclipse.emf.henshin.examples/src/org/eclipse/emf/henshin/examples/apibasics/boxing/impl/BoxingFactoryImpl.java b/plugins/org.eclipse.emf.henshin.examples/src/org/eclipse/emf/henshin/examples/apibasics/boxing/impl/BoxingFactoryImpl.java
new file mode 100644
index 000000000..930e9c123
--- /dev/null
+++ b/plugins/org.eclipse.emf.henshin.examples/src/org/eclipse/emf/henshin/examples/apibasics/boxing/impl/BoxingFactoryImpl.java
@@ -0,0 +1,116 @@
+/**
+ */
+package org.eclipse.emf.henshin.examples.apibasics.boxing.impl;
+
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.emf.ecore.EPackage;
+
+import org.eclipse.emf.ecore.impl.EFactoryImpl;
+
+import org.eclipse.emf.ecore.plugin.EcorePlugin;
+import org.eclipse.emf.henshin.examples.apibasics.boxing.*;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model <b>Factory</b>.
+ * <!-- end-user-doc -->
+ * @generated
+ */
+public class BoxingFactoryImpl extends EFactoryImpl implements BoxingFactory {
+	/**
+	 * Creates the default factory implementation.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public static BoxingFactory init() {
+		try {
+			BoxingFactory theBoxingFactory = (BoxingFactory)EPackage.Registry.INSTANCE.getEFactory(BoxingPackage.eNS_URI);
+			if (theBoxingFactory != null) {
+				return theBoxingFactory;
+			}
+		}
+		catch (Exception exception) {
+			EcorePlugin.INSTANCE.log(exception);
+		}
+		return new BoxingFactoryImpl();
+	}
+
+	/**
+	 * Creates an instance of the factory.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public BoxingFactoryImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public EObject create(EClass eClass) {
+		switch (eClass.getClassifierID()) {
+			case BoxingPackage.BOXING: return createBoxing();
+			case BoxingPackage.BOX: return createBox();
+			case BoxingPackage.ITEM: return createItem();
+			default:
+				throw new IllegalArgumentException("The class '" + eClass.getName() + "' is not a valid classifier");
+		}
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public Boxing createBoxing() {
+		BoxingImpl boxing = new BoxingImpl();
+		return boxing;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public Box createBox() {
+		BoxImpl box = new BoxImpl();
+		return box;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public Item createItem() {
+		ItemImpl item = new ItemImpl();
+		return item;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public BoxingPackage getBoxingPackage() {
+		return (BoxingPackage)getEPackage();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @deprecated
+	 * @generated
+	 */
+	@Deprecated
+	public static BoxingPackage getPackage() {
+		return BoxingPackage.eINSTANCE;
+	}
+
+} //BoxingFactoryImpl
diff --git a/plugins/org.eclipse.emf.henshin.examples/src/org/eclipse/emf/henshin/examples/apibasics/boxing/impl/BoxingImpl.java b/plugins/org.eclipse.emf.henshin.examples/src/org/eclipse/emf/henshin/examples/apibasics/boxing/impl/BoxingImpl.java
new file mode 100644
index 000000000..a6e5d107d
--- /dev/null
+++ b/plugins/org.eclipse.emf.henshin.examples/src/org/eclipse/emf/henshin/examples/apibasics/boxing/impl/BoxingImpl.java
@@ -0,0 +1,187 @@
+/**
+ */
+package org.eclipse.emf.henshin.examples.apibasics.boxing.impl;
+
+import java.util.Collection;
+
+import org.eclipse.emf.common.notify.NotificationChain;
+import org.eclipse.emf.common.util.EList;
+
+import org.eclipse.emf.ecore.EClass;
+
+import org.eclipse.emf.ecore.InternalEObject;
+import org.eclipse.emf.ecore.impl.MinimalEObjectImpl;
+
+import org.eclipse.emf.ecore.util.EObjectContainmentEList;
+import org.eclipse.emf.ecore.util.InternalEList;
+import org.eclipse.emf.henshin.examples.apibasics.boxing.Box;
+import org.eclipse.emf.henshin.examples.apibasics.boxing.Boxing;
+import org.eclipse.emf.henshin.examples.apibasics.boxing.BoxingPackage;
+import org.eclipse.emf.henshin.examples.apibasics.boxing.Item;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Boxing</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * </p>
+ * <ul>
+ *   <li>{@link org.eclipse.emf.henshin.examples.apibasics.boxing.impl.BoxingImpl#getBoxes <em>Boxes</em>}</li>
+ *   <li>{@link org.eclipse.emf.henshin.examples.apibasics.boxing.impl.BoxingImpl#getItems <em>Items</em>}</li>
+ * </ul>
+ *
+ * @generated
+ */
+public class BoxingImpl extends MinimalEObjectImpl.Container implements Boxing {
+	/**
+	 * The cached value of the '{@link #getBoxes() <em>Boxes</em>}' containment reference list.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #getBoxes()
+	 * @generated
+	 * @ordered
+	 */
+	protected EList<Box> boxes;
+
+	/**
+	 * The cached value of the '{@link #getItems() <em>Items</em>}' containment reference list.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #getItems()
+	 * @generated
+	 * @ordered
+	 */
+	protected EList<Item> items;
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected BoxingImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EClass eStaticClass() {
+		return BoxingPackage.Literals.BOXING;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EList<Box> getBoxes() {
+		if (boxes == null) {
+			boxes = new EObjectContainmentEList<Box>(Box.class, this, BoxingPackage.BOXING__BOXES);
+		}
+		return boxes;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EList<Item> getItems() {
+		if (items == null) {
+			items = new EObjectContainmentEList<Item>(Item.class, this, BoxingPackage.BOXING__ITEMS);
+		}
+		return items;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
+		switch (featureID) {
+			case BoxingPackage.BOXING__BOXES:
+				return ((InternalEList<?>)getBoxes()).basicRemove(otherEnd, msgs);
+			case BoxingPackage.BOXING__ITEMS:
+				return ((InternalEList<?>)getItems()).basicRemove(otherEnd, msgs);
+		}
+		return super.eInverseRemove(otherEnd, featureID, msgs);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Object eGet(int featureID, boolean resolve, boolean coreType) {
+		switch (featureID) {
+			case BoxingPackage.BOXING__BOXES:
+				return getBoxes();
+			case BoxingPackage.BOXING__ITEMS:
+				return getItems();
+		}
+		return super.eGet(featureID, resolve, coreType);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@SuppressWarnings("unchecked")
+	@Override
+	public void eSet(int featureID, Object newValue) {
+		switch (featureID) {
+			case BoxingPackage.BOXING__BOXES:
+				getBoxes().clear();
+				getBoxes().addAll((Collection<? extends Box>)newValue);
+				return;
+			case BoxingPackage.BOXING__ITEMS:
+				getItems().clear();
+				getItems().addAll((Collection<? extends Item>)newValue);
+				return;
+		}
+		super.eSet(featureID, newValue);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void eUnset(int featureID) {
+		switch (featureID) {
+			case BoxingPackage.BOXING__BOXES:
+				getBoxes().clear();
+				return;
+			case BoxingPackage.BOXING__ITEMS:
+				getItems().clear();
+				return;
+		}
+		super.eUnset(featureID);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public boolean eIsSet(int featureID) {
+		switch (featureID) {
+			case BoxingPackage.BOXING__BOXES:
+				return boxes != null && !boxes.isEmpty();
+			case BoxingPackage.BOXING__ITEMS:
+				return items != null && !items.isEmpty();
+		}
+		return super.eIsSet(featureID);
+	}
+
+} //BoxingImpl
diff --git a/plugins/org.eclipse.emf.henshin.examples/src/org/eclipse/emf/henshin/examples/apibasics/boxing/impl/BoxingPackageImpl.java b/plugins/org.eclipse.emf.henshin.examples/src/org/eclipse/emf/henshin/examples/apibasics/boxing/impl/BoxingPackageImpl.java
new file mode 100644
index 000000000..23864bedb
--- /dev/null
+++ b/plugins/org.eclipse.emf.henshin.examples/src/org/eclipse/emf/henshin/examples/apibasics/boxing/impl/BoxingPackageImpl.java
@@ -0,0 +1,251 @@
+/**
+ */
+package org.eclipse.emf.henshin.examples.apibasics.boxing.impl;
+
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.EPackage;
+import org.eclipse.emf.ecore.EReference;
+
+import org.eclipse.emf.ecore.impl.EPackageImpl;
+import org.eclipse.emf.henshin.examples.apibasics.boxing.Box;
+import org.eclipse.emf.henshin.examples.apibasics.boxing.Boxing;
+import org.eclipse.emf.henshin.examples.apibasics.boxing.BoxingFactory;
+import org.eclipse.emf.henshin.examples.apibasics.boxing.BoxingPackage;
+import org.eclipse.emf.henshin.examples.apibasics.boxing.Item;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model <b>Package</b>.
+ * <!-- end-user-doc -->
+ * @generated
+ */
+public class BoxingPackageImpl extends EPackageImpl implements BoxingPackage {
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass boxingEClass = null;
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass boxEClass = null;
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass itemEClass = null;
+
+	/**
+	 * Creates an instance of the model <b>Package</b>, registered with
+	 * {@link org.eclipse.emf.ecore.EPackage.Registry EPackage.Registry} by the package
+	 * package URI value.
+	 * <p>Note: the correct way to create the package is via the static
+	 * factory method {@link #init init()}, which also performs
+	 * initialization of the package, or returns the registered package,
+	 * if one already exists.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see org.eclipse.emf.ecore.EPackage.Registry
+	 * @see org.eclipse.emf.henshin.examples.apibasics.boxing.BoxingPackage#eNS_URI
+	 * @see #init()
+	 * @generated
+	 */
+	private BoxingPackageImpl() {
+		super(eNS_URI, BoxingFactory.eINSTANCE);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private static boolean isInited = false;
+
+	/**
+	 * Creates, registers, and initializes the <b>Package</b> for this model, and for any others upon which it depends.
+	 *
+	 * <p>This method is used to initialize {@link BoxingPackage#eINSTANCE} when that field is accessed.
+	 * Clients should not invoke it directly. Instead, they should simply access that field to obtain the package.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #eNS_URI
+	 * @see #createPackageContents()
+	 * @see #initializePackageContents()
+	 * @generated
+	 */
+	public static BoxingPackage init() {
+		if (isInited) return (BoxingPackage)EPackage.Registry.INSTANCE.getEPackage(BoxingPackage.eNS_URI);
+
+		// Obtain or create and register package
+		Object registeredBoxingPackage = EPackage.Registry.INSTANCE.get(eNS_URI);
+		BoxingPackageImpl theBoxingPackage = registeredBoxingPackage instanceof BoxingPackageImpl ? (BoxingPackageImpl)registeredBoxingPackage : new BoxingPackageImpl();
+
+		isInited = true;
+
+		// Create package meta-data objects
+		theBoxingPackage.createPackageContents();
+
+		// Initialize created meta-data
+		theBoxingPackage.initializePackageContents();
+
+		// Mark meta-data to indicate it can't be changed
+		theBoxingPackage.freeze();
+
+		// Update the registry and return the package
+		EPackage.Registry.INSTANCE.put(BoxingPackage.eNS_URI, theBoxingPackage);
+		return theBoxingPackage;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getBoxing() {
+		return boxingEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EReference getBoxing_Boxes() {
+		return (EReference)boxingEClass.getEStructuralFeatures().get(0);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EReference getBoxing_Items() {
+		return (EReference)boxingEClass.getEStructuralFeatures().get(1);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getBox() {
+		return boxEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EReference getBox_Stores() {
+		return (EReference)boxEClass.getEStructuralFeatures().get(0);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getItem() {
+		return itemEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EReference getItem_IsStoredBy() {
+		return (EReference)itemEClass.getEStructuralFeatures().get(0);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public BoxingFactory getBoxingFactory() {
+		return (BoxingFactory)getEFactoryInstance();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private boolean isCreated = false;
+
+	/**
+	 * Creates the meta-model objects for the package.  This method is
+	 * guarded to have no affect on any invocation but its first.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void createPackageContents() {
+		if (isCreated) return;
+		isCreated = true;
+
+		// Create classes and their features
+		boxingEClass = createEClass(BOXING);
+		createEReference(boxingEClass, BOXING__BOXES);
+		createEReference(boxingEClass, BOXING__ITEMS);
+
+		boxEClass = createEClass(BOX);
+		createEReference(boxEClass, BOX__STORES);
+
+		itemEClass = createEClass(ITEM);
+		createEReference(itemEClass, ITEM__IS_STORED_BY);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private boolean isInitialized = false;
+
+	/**
+	 * Complete the initialization of the package and its meta-model.  This
+	 * method is guarded to have no affect on any invocation but its first.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void initializePackageContents() {
+		if (isInitialized) return;
+		isInitialized = true;
+
+		// Initialize package
+		setName(eNAME);
+		setNsPrefix(eNS_PREFIX);
+		setNsURI(eNS_URI);
+
+		// Create type parameters
+
+		// Set bounds for type parameters
+
+		// Add supertypes to classes
+
+		// Initialize classes, features, and operations; add parameters
+		initEClass(boxingEClass, Boxing.class, "Boxing", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+		initEReference(getBoxing_Boxes(), this.getBox(), null, "boxes", null, 0, -1, Boxing.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+		initEReference(getBoxing_Items(), this.getItem(), null, "items", null, 0, -1, Boxing.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+
+		initEClass(boxEClass, Box.class, "Box", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+		initEReference(getBox_Stores(), this.getItem(), this.getItem_IsStoredBy(), "stores", null, 0, -1, Box.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_COMPOSITE, IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+
+		initEClass(itemEClass, Item.class, "Item", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+		initEReference(getItem_IsStoredBy(), this.getBox(), this.getBox_Stores(), "isStoredBy", null, 0, 1, Item.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_COMPOSITE, IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+
+		// Create resource
+		createResource(eNS_URI);
+	}
+
+} //BoxingPackageImpl
diff --git a/plugins/org.eclipse.emf.henshin.examples/src/org/eclipse/emf/henshin/examples/apibasics/boxing/impl/ItemImpl.java b/plugins/org.eclipse.emf.henshin.examples/src/org/eclipse/emf/henshin/examples/apibasics/boxing/impl/ItemImpl.java
new file mode 100644
index 000000000..9be37e177
--- /dev/null
+++ b/plugins/org.eclipse.emf.henshin.examples/src/org/eclipse/emf/henshin/examples/apibasics/boxing/impl/ItemImpl.java
@@ -0,0 +1,209 @@
+/**
+ */
+package org.eclipse.emf.henshin.examples.apibasics.boxing.impl;
+
+import org.eclipse.emf.common.notify.Notification;
+import org.eclipse.emf.common.notify.NotificationChain;
+
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.InternalEObject;
+
+import org.eclipse.emf.ecore.impl.ENotificationImpl;
+import org.eclipse.emf.ecore.impl.MinimalEObjectImpl;
+import org.eclipse.emf.henshin.examples.apibasics.boxing.Box;
+import org.eclipse.emf.henshin.examples.apibasics.boxing.BoxingPackage;
+import org.eclipse.emf.henshin.examples.apibasics.boxing.Item;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Item</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * </p>
+ * <ul>
+ *   <li>{@link org.eclipse.emf.henshin.examples.apibasics.boxing.impl.ItemImpl#getIsStoredBy <em>Is Stored By</em>}</li>
+ * </ul>
+ *
+ * @generated
+ */
+public class ItemImpl extends MinimalEObjectImpl.Container implements Item {
+	/**
+	 * The cached value of the '{@link #getIsStoredBy() <em>Is Stored By</em>}' reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #getIsStoredBy()
+	 * @generated
+	 * @ordered
+	 */
+	protected Box isStoredBy;
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected ItemImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EClass eStaticClass() {
+		return BoxingPackage.Literals.ITEM;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public Box getIsStoredBy() {
+		if (isStoredBy != null && isStoredBy.eIsProxy()) {
+			InternalEObject oldIsStoredBy = (InternalEObject)isStoredBy;
+			isStoredBy = (Box)eResolveProxy(oldIsStoredBy);
+			if (isStoredBy != oldIsStoredBy) {
+				if (eNotificationRequired())
+					eNotify(new ENotificationImpl(this, Notification.RESOLVE, BoxingPackage.ITEM__IS_STORED_BY, oldIsStoredBy, isStoredBy));
+			}
+		}
+		return isStoredBy;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public Box basicGetIsStoredBy() {
+		return isStoredBy;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public NotificationChain basicSetIsStoredBy(Box newIsStoredBy, NotificationChain msgs) {
+		Box oldIsStoredBy = isStoredBy;
+		isStoredBy = newIsStoredBy;
+		if (eNotificationRequired()) {
+			ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, BoxingPackage.ITEM__IS_STORED_BY, oldIsStoredBy, newIsStoredBy);
+			if (msgs == null) msgs = notification; else msgs.add(notification);
+		}
+		return msgs;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setIsStoredBy(Box newIsStoredBy) {
+		if (newIsStoredBy != isStoredBy) {
+			NotificationChain msgs = null;
+			if (isStoredBy != null)
+				msgs = ((InternalEObject)isStoredBy).eInverseRemove(this, BoxingPackage.BOX__STORES, Box.class, msgs);
+			if (newIsStoredBy != null)
+				msgs = ((InternalEObject)newIsStoredBy).eInverseAdd(this, BoxingPackage.BOX__STORES, Box.class, msgs);
+			msgs = basicSetIsStoredBy(newIsStoredBy, msgs);
+			if (msgs != null) msgs.dispatch();
+		}
+		else if (eNotificationRequired())
+			eNotify(new ENotificationImpl(this, Notification.SET, BoxingPackage.ITEM__IS_STORED_BY, newIsStoredBy, newIsStoredBy));
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public NotificationChain eInverseAdd(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
+		switch (featureID) {
+			case BoxingPackage.ITEM__IS_STORED_BY:
+				if (isStoredBy != null)
+					msgs = ((InternalEObject)isStoredBy).eInverseRemove(this, BoxingPackage.BOX__STORES, Box.class, msgs);
+				return basicSetIsStoredBy((Box)otherEnd, msgs);
+		}
+		return super.eInverseAdd(otherEnd, featureID, msgs);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
+		switch (featureID) {
+			case BoxingPackage.ITEM__IS_STORED_BY:
+				return basicSetIsStoredBy(null, msgs);
+		}
+		return super.eInverseRemove(otherEnd, featureID, msgs);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Object eGet(int featureID, boolean resolve, boolean coreType) {
+		switch (featureID) {
+			case BoxingPackage.ITEM__IS_STORED_BY:
+				if (resolve) return getIsStoredBy();
+				return basicGetIsStoredBy();
+		}
+		return super.eGet(featureID, resolve, coreType);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void eSet(int featureID, Object newValue) {
+		switch (featureID) {
+			case BoxingPackage.ITEM__IS_STORED_BY:
+				setIsStoredBy((Box)newValue);
+				return;
+		}
+		super.eSet(featureID, newValue);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void eUnset(int featureID) {
+		switch (featureID) {
+			case BoxingPackage.ITEM__IS_STORED_BY:
+				setIsStoredBy((Box)null);
+				return;
+		}
+		super.eUnset(featureID);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public boolean eIsSet(int featureID) {
+		switch (featureID) {
+			case BoxingPackage.ITEM__IS_STORED_BY:
+				return isStoredBy != null;
+		}
+		return super.eIsSet(featureID);
+	}
+
+} //ItemImpl
diff --git a/plugins/org.eclipse.emf.henshin.examples/src/org/eclipse/emf/henshin/examples/apibasics/boxing/util/BoxingAdapterFactory.java b/plugins/org.eclipse.emf.henshin.examples/src/org/eclipse/emf/henshin/examples/apibasics/boxing/util/BoxingAdapterFactory.java
new file mode 100644
index 000000000..e7be6da67
--- /dev/null
+++ b/plugins/org.eclipse.emf.henshin.examples/src/org/eclipse/emf/henshin/examples/apibasics/boxing/util/BoxingAdapterFactory.java
@@ -0,0 +1,155 @@
+/**
+ */
+package org.eclipse.emf.henshin.examples.apibasics.boxing.util;
+
+import org.eclipse.emf.common.notify.Adapter;
+import org.eclipse.emf.common.notify.Notifier;
+
+import org.eclipse.emf.common.notify.impl.AdapterFactoryImpl;
+
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.emf.henshin.examples.apibasics.boxing.*;
+
+/**
+ * <!-- begin-user-doc -->
+ * The <b>Adapter Factory</b> for the model.
+ * It provides an adapter <code>createXXX</code> method for each class of the model.
+ * <!-- end-user-doc -->
+ * @see org.eclipse.emf.henshin.examples.apibasics.boxing.BoxingPackage
+ * @generated
+ */
+public class BoxingAdapterFactory extends AdapterFactoryImpl {
+	/**
+	 * The cached model package.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected static BoxingPackage modelPackage;
+
+	/**
+	 * Creates an instance of the adapter factory.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public BoxingAdapterFactory() {
+		if (modelPackage == null) {
+			modelPackage = BoxingPackage.eINSTANCE;
+		}
+	}
+
+	/**
+	 * Returns whether this factory is applicable for the type of the object.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns <code>true</code> if the object is either the model's package or is an instance object of the model.
+	 * <!-- end-user-doc -->
+	 * @return whether this factory is applicable for the type of the object.
+	 * @generated
+	 */
+	@Override
+	public boolean isFactoryForType(Object object) {
+		if (object == modelPackage) {
+			return true;
+		}
+		if (object instanceof EObject) {
+			return ((EObject)object).eClass().getEPackage() == modelPackage;
+		}
+		return false;
+	}
+
+	/**
+	 * The switch that delegates to the <code>createXXX</code> methods.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected BoxingSwitch<Adapter> modelSwitch =
+		new BoxingSwitch<Adapter>() {
+			@Override
+			public Adapter caseBoxing(Boxing object) {
+				return createBoxingAdapter();
+			}
+			@Override
+			public Adapter caseBox(Box object) {
+				return createBoxAdapter();
+			}
+			@Override
+			public Adapter caseItem(Item object) {
+				return createItemAdapter();
+			}
+			@Override
+			public Adapter defaultCase(EObject object) {
+				return createEObjectAdapter();
+			}
+		};
+
+	/**
+	 * Creates an adapter for the <code>target</code>.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param target the object to adapt.
+	 * @return the adapter for the <code>target</code>.
+	 * @generated
+	 */
+	@Override
+	public Adapter createAdapter(Notifier target) {
+		return modelSwitch.doSwitch((EObject)target);
+	}
+
+
+	/**
+	 * Creates a new adapter for an object of class '{@link org.eclipse.emf.henshin.examples.apibasics.boxing.Boxing <em>Boxing</em>}'.
+	 * <!-- begin-user-doc -->
+	 * This default implementation returns null so that we can easily ignore cases;
+	 * it's useful to ignore a case when inheritance will catch all the cases anyway.
+	 * <!-- end-user-doc -->
+	 * @return the new adapter.
+	 * @see org.eclipse.emf.henshin.examples.apibasics.boxing.Boxing
+	 * @generated
+	 */
+	public Adapter createBoxingAdapter() {
+		return null;
+	}
+
+	/**
+	 * Creates a new adapter for an object of class '{@link org.eclipse.emf.henshin.examples.apibasics.boxing.Box <em>Box</em>}'.
+	 * <!-- begin-user-doc -->
+	 * This default implementation returns null so that we can easily ignore cases;
+	 * it's useful to ignore a case when inheritance will catch all the cases anyway.
+	 * <!-- end-user-doc -->
+	 * @return the new adapter.
+	 * @see org.eclipse.emf.henshin.examples.apibasics.boxing.Box
+	 * @generated
+	 */
+	public Adapter createBoxAdapter() {
+		return null;
+	}
+
+	/**
+	 * Creates a new adapter for an object of class '{@link org.eclipse.emf.henshin.examples.apibasics.boxing.Item <em>Item</em>}'.
+	 * <!-- begin-user-doc -->
+	 * This default implementation returns null so that we can easily ignore cases;
+	 * it's useful to ignore a case when inheritance will catch all the cases anyway.
+	 * <!-- end-user-doc -->
+	 * @return the new adapter.
+	 * @see org.eclipse.emf.henshin.examples.apibasics.boxing.Item
+	 * @generated
+	 */
+	public Adapter createItemAdapter() {
+		return null;
+	}
+
+	/**
+	 * Creates a new adapter for the default case.
+	 * <!-- begin-user-doc -->
+	 * This default implementation returns null.
+	 * <!-- end-user-doc -->
+	 * @return the new adapter.
+	 * @generated
+	 */
+	public Adapter createEObjectAdapter() {
+		return null;
+	}
+
+} //BoxingAdapterFactory
diff --git a/plugins/org.eclipse.emf.henshin.examples/src/org/eclipse/emf/henshin/examples/apibasics/boxing/util/BoxingSwitch.java b/plugins/org.eclipse.emf.henshin.examples/src/org/eclipse/emf/henshin/examples/apibasics/boxing/util/BoxingSwitch.java
new file mode 100644
index 000000000..2acfd04ab
--- /dev/null
+++ b/plugins/org.eclipse.emf.henshin.examples/src/org/eclipse/emf/henshin/examples/apibasics/boxing/util/BoxingSwitch.java
@@ -0,0 +1,151 @@
+/**
+ */
+package org.eclipse.emf.henshin.examples.apibasics.boxing.util;
+
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.emf.ecore.EPackage;
+
+import org.eclipse.emf.ecore.util.Switch;
+import org.eclipse.emf.henshin.examples.apibasics.boxing.*;
+
+/**
+ * <!-- begin-user-doc -->
+ * The <b>Switch</b> for the model's inheritance hierarchy.
+ * It supports the call {@link #doSwitch(EObject) doSwitch(object)}
+ * to invoke the <code>caseXXX</code> method for each class of the model,
+ * starting with the actual class of the object
+ * and proceeding up the inheritance hierarchy
+ * until a non-null result is returned,
+ * which is the result of the switch.
+ * <!-- end-user-doc -->
+ * @see org.eclipse.emf.henshin.examples.apibasics.boxing.BoxingPackage
+ * @generated
+ */
+public class BoxingSwitch<T> extends Switch<T> {
+	/**
+	 * The cached model package
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected static BoxingPackage modelPackage;
+
+	/**
+	 * Creates an instance of the switch.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public BoxingSwitch() {
+		if (modelPackage == null) {
+			modelPackage = BoxingPackage.eINSTANCE;
+		}
+	}
+
+	/**
+	 * Checks whether this is a switch for the given package.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param ePackage the package in question.
+	 * @return whether this is a switch for the given package.
+	 * @generated
+	 */
+	@Override
+	protected boolean isSwitchFor(EPackage ePackage) {
+		return ePackage == modelPackage;
+	}
+
+	/**
+	 * Calls <code>caseXXX</code> for each class of the model until one returns a non null result; it yields that result.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the first non-null result returned by a <code>caseXXX</code> call.
+	 * @generated
+	 */
+	@Override
+	protected T doSwitch(int classifierID, EObject theEObject) {
+		switch (classifierID) {
+			case BoxingPackage.BOXING: {
+				Boxing boxing = (Boxing)theEObject;
+				T result = caseBoxing(boxing);
+				if (result == null) result = defaultCase(theEObject);
+				return result;
+			}
+			case BoxingPackage.BOX: {
+				Box box = (Box)theEObject;
+				T result = caseBox(box);
+				if (result == null) result = defaultCase(theEObject);
+				return result;
+			}
+			case BoxingPackage.ITEM: {
+				Item item = (Item)theEObject;
+				T result = caseItem(item);
+				if (result == null) result = defaultCase(theEObject);
+				return result;
+			}
+			default: return defaultCase(theEObject);
+		}
+	}
+
+	/**
+	 * Returns the result of interpreting the object as an instance of '<em>Boxing</em>'.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns null;
+	 * returning a non-null result will terminate the switch.
+	 * <!-- end-user-doc -->
+	 * @param object the target of the switch.
+	 * @return the result of interpreting the object as an instance of '<em>Boxing</em>'.
+	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+	 * @generated
+	 */
+	public T caseBoxing(Boxing object) {
+		return null;
+	}
+
+	/**
+	 * Returns the result of interpreting the object as an instance of '<em>Box</em>'.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns null;
+	 * returning a non-null result will terminate the switch.
+	 * <!-- end-user-doc -->
+	 * @param object the target of the switch.
+	 * @return the result of interpreting the object as an instance of '<em>Box</em>'.
+	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+	 * @generated
+	 */
+	public T caseBox(Box object) {
+		return null;
+	}
+
+	/**
+	 * Returns the result of interpreting the object as an instance of '<em>Item</em>'.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns null;
+	 * returning a non-null result will terminate the switch.
+	 * <!-- end-user-doc -->
+	 * @param object the target of the switch.
+	 * @return the result of interpreting the object as an instance of '<em>Item</em>'.
+	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+	 * @generated
+	 */
+	public T caseItem(Item object) {
+		return null;
+	}
+
+	/**
+	 * Returns the result of interpreting the object as an instance of '<em>EObject</em>'.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns null;
+	 * returning a non-null result will terminate the switch, but this is the last case anyway.
+	 * <!-- end-user-doc -->
+	 * @param object the target of the switch.
+	 * @return the result of interpreting the object as an instance of '<em>EObject</em>'.
+	 * @see #doSwitch(org.eclipse.emf.ecore.EObject)
+	 * @generated
+	 */
+	@Override
+	public T defaultCase(EObject object) {
+		return null;
+	}
+
+} //BoxingSwitch
diff --git a/plugins/org.eclipse.emf.henshin.examples/src/org/eclipse/emf/henshin/examples/apibasics/models/boxing.ecore b/plugins/org.eclipse.emf.henshin.examples/src/org/eclipse/emf/henshin/examples/apibasics/models/boxing.ecore
new file mode 100644
index 000000000..9666ea47e
--- /dev/null
+++ b/plugins/org.eclipse.emf.henshin.examples/src/org/eclipse/emf/henshin/examples/apibasics/models/boxing.ecore
@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ecore:EPackage xmi:version="2.0" xmlns:xmi="http://www.omg.org/XMI" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xmlns:ecore="http://www.eclipse.org/emf/2002/Ecore" name="boxing" nsURI="www.boxing.com" nsPrefix="boxing">
+  <eClassifiers xsi:type="ecore:EClass" name="Boxing">
+    <eStructuralFeatures xsi:type="ecore:EReference" name="boxes" upperBound="-1"
+        eType="#//Box" containment="true"/>
+    <eStructuralFeatures xsi:type="ecore:EReference" name="items" upperBound="-1"
+        eType="#//Item" containment="true"/>
+  </eClassifiers>
+  <eClassifiers xsi:type="ecore:EClass" name="Box">
+    <eStructuralFeatures xsi:type="ecore:EReference" name="stores" upperBound="-1"
+        eType="#//Item" eOpposite="#//Item/isStoredBy"/>
+  </eClassifiers>
+  <eClassifiers xsi:type="ecore:EClass" name="Item">
+    <eStructuralFeatures xsi:type="ecore:EReference" name="isStoredBy" eType="#//Box"
+        eOpposite="#//Box/stores"/>
+  </eClassifiers>
+</ecore:EPackage>
diff --git a/plugins/org.eclipse.emf.henshin.examples/src/org/eclipse/emf/henshin/examples/apibasics/models/boxing.genmodel b/plugins/org.eclipse.emf.henshin.examples/src/org/eclipse/emf/henshin/examples/apibasics/models/boxing.genmodel
new file mode 100644
index 000000000..56ef63696
--- /dev/null
+++ b/plugins/org.eclipse.emf.henshin.examples/src/org/eclipse/emf/henshin/examples/apibasics/models/boxing.genmodel
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<genmodel:GenModel xmi:version="2.0" xmlns:xmi="http://www.omg.org/XMI" xmlns:ecore="http://www.eclipse.org/emf/2002/Ecore"
+    xmlns:genmodel="http://www.eclipse.org/emf/2002/GenModel" modelDirectory="/EMF_Henshin_API_examples/src" modelPluginID="EMF_Henshin_API_examples"
+    modelName="Boxing" rootExtendsClass="org.eclipse.emf.ecore.impl.MinimalEObjectImpl$Container"
+    importerID="org.eclipse.emf.importer.ecore" complianceLevel="5.0" copyrightFields="false"
+    operationReflection="true" importOrganizing="true">
+  <foreignModel>boxing.ecore</foreignModel>
+  <genPackages prefix="Boxing" disposableProviderFactory="true" ecorePackage="boxing.ecore#/">
+    <genClasses ecoreClass="boxing.ecore#//Boxing">
+      <genFeatures notify="false" createChild="false" propertySortChoices="true" ecoreFeature="ecore:EReference boxing.ecore#//Boxing/boxes"/>
+      <genFeatures notify="false" createChild="false" propertySortChoices="true" ecoreFeature="ecore:EReference boxing.ecore#//Boxing/items"/>
+    </genClasses>
+    <genClasses ecoreClass="boxing.ecore#//Box">
+      <genFeatures notify="false" createChild="false" propertySortChoices="true" ecoreFeature="ecore:EReference boxing.ecore#//Box/stores"/>
+    </genClasses>
+    <genClasses ecoreClass="boxing.ecore#//Item">
+      <genFeatures notify="false" createChild="false" propertySortChoices="true" ecoreFeature="ecore:EReference boxing.ecore#//Item/isStoredBy"/>
+    </genClasses>
+  </genPackages>
+</genmodel:GenModel>
diff --git a/plugins/org.eclipse.emf.henshin.examples/src/org/eclipse/emf/henshin/examples/apibasics/models/instanceDynamic.xmi b/plugins/org.eclipse.emf.henshin.examples/src/org/eclipse/emf/henshin/examples/apibasics/models/instanceDynamic.xmi
new file mode 100644
index 000000000..90649dd9e
--- /dev/null
+++ b/plugins/org.eclipse.emf.henshin.examples/src/org/eclipse/emf/henshin/examples/apibasics/models/instanceDynamic.xmi
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<boxing:Boxing xmi:version="2.0"
+    xmlns:xmi="http://www.omg.org/XMI"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xmlns:boxing="www.boxing.com"
+    xsi:schemaLocation="www.boxing.com boxing.ecore">
+  <boxes/>
+  <items/>
+</boxing:Boxing>
diff --git a/plugins/org.eclipse.emf.henshin.examples/src/org/eclipse/emf/henshin/examples/apibasics/models/instanceStatic.xmi b/plugins/org.eclipse.emf.henshin.examples/src/org/eclipse/emf/henshin/examples/apibasics/models/instanceStatic.xmi
new file mode 100644
index 000000000..22854c9ea
--- /dev/null
+++ b/plugins/org.eclipse.emf.henshin.examples/src/org/eclipse/emf/henshin/examples/apibasics/models/instanceStatic.xmi
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<boxing:Boxing xmi:version="2.0"
+    xmlns:xmi="http://www.omg.org/XMI"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xmlns:boxing="www.boxing.com">
+  <boxes/>
+  <items/>
+</boxing:Boxing>
diff --git a/plugins/org.eclipse.emf.henshin.examples/src/org/eclipse/emf/henshin/examples/apibasics/models/rulesDynamic.henshin b/plugins/org.eclipse.emf.henshin.examples/src/org/eclipse/emf/henshin/examples/apibasics/models/rulesDynamic.henshin
new file mode 100644
index 000000000..b2e2b0994
--- /dev/null
+++ b/plugins/org.eclipse.emf.henshin.examples/src/org/eclipse/emf/henshin/examples/apibasics/models/rulesDynamic.henshin
@@ -0,0 +1,44 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<henshin:Module xmi:version="2.0" xmlns:xmi="http://www.omg.org/XMI" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:henshin="http://www.eclipse.org/emf/2011/Henshin" xmi:id="_yJq_EL9ZEemme_wk7Csgrw">
+  <imports href="boxing.ecore#/"/>
+  <units xsi:type="henshin:Rule" xmi:id="_y4tPUL9ZEemme_wk7Csgrw" name="addItemToBox">
+    <lhs xmi:id="_y43nYL9ZEemme_wk7Csgrw" name="Lhs">
+      <nodes xmi:id="_1PrtwL9ZEemme_wk7Csgrw" name="b">
+        <type href="boxing.ecore#//Box"/>
+      </nodes>
+      <nodes xmi:id="_2A4hML9ZEemme_wk7Csgrw" name="i">
+        <type href="boxing.ecore#//Item"/>
+      </nodes>
+      <formula xsi:type="henshin:Not" xmi:id="_3TJaUL9ZEemme_wk7Csgrw">
+        <child xsi:type="henshin:NestedCondition" xmi:id="_3TJaUb9ZEemme_wk7Csgrw">
+          <conclusion xmi:id="_3TJaUr9ZEemme_wk7Csgrw">
+            <nodes xmi:id="_3TKBYL9ZEemme_wk7Csgrw" name="b" outgoing="_2oCn0L9ZEemme_wk7Csgrw">
+              <type href="boxing.ecore#//Box"/>
+            </nodes>
+            <nodes xmi:id="_3TKBYr9ZEemme_wk7Csgrw" name="i" incoming="_2oCn0L9ZEemme_wk7Csgrw">
+              <type href="boxing.ecore#//Item"/>
+            </nodes>
+            <edges xmi:id="_2oCn0L9ZEemme_wk7Csgrw" source="_3TKBYL9ZEemme_wk7Csgrw" target="_3TKBYr9ZEemme_wk7Csgrw">
+              <type href="boxing.ecore#//Box/stores"/>
+            </edges>
+          </conclusion>
+          <mappings xmi:id="_3TKBYb9ZEemme_wk7Csgrw" origin="_1PrtwL9ZEemme_wk7Csgrw" image="_3TKBYL9ZEemme_wk7Csgrw"/>
+          <mappings xmi:id="_3TKBY79ZEemme_wk7Csgrw" origin="_2A4hML9ZEemme_wk7Csgrw" image="_3TKBYr9ZEemme_wk7Csgrw"/>
+        </child>
+      </formula>
+    </lhs>
+    <rhs xmi:id="_y43nYb9ZEemme_wk7Csgrw" name="Rhs">
+      <nodes xmi:id="_1Prtwb9ZEemme_wk7Csgrw" name="b" outgoing="_58lhwL9ZEemme_wk7Csgrw">
+        <type href="boxing.ecore#//Box"/>
+      </nodes>
+      <nodes xmi:id="_2A4hMb9ZEemme_wk7Csgrw" name="i" incoming="_58lhwL9ZEemme_wk7Csgrw">
+        <type href="boxing.ecore#//Item"/>
+      </nodes>
+      <edges xmi:id="_58lhwL9ZEemme_wk7Csgrw" source="_1Prtwb9ZEemme_wk7Csgrw" target="_2A4hMb9ZEemme_wk7Csgrw">
+        <type href="boxing.ecore#//Box/stores"/>
+      </edges>
+    </rhs>
+    <mappings xmi:id="_1PsU0L9ZEemme_wk7Csgrw" origin="_1PrtwL9ZEemme_wk7Csgrw" image="_1Prtwb9ZEemme_wk7Csgrw"/>
+    <mappings xmi:id="_2A4hMr9ZEemme_wk7Csgrw" origin="_2A4hML9ZEemme_wk7Csgrw" image="_2A4hMb9ZEemme_wk7Csgrw"/>
+  </units>
+</henshin:Module>
diff --git a/plugins/org.eclipse.emf.henshin.examples/src/org/eclipse/emf/henshin/examples/apibasics/models/rulesDynamic.henshin_diagram b/plugins/org.eclipse.emf.henshin.examples/src/org/eclipse/emf/henshin/examples/apibasics/models/rulesDynamic.henshin_diagram
new file mode 100644
index 000000000..ed03a7bca
--- /dev/null
+++ b/plugins/org.eclipse.emf.henshin.examples/src/org/eclipse/emf/henshin/examples/apibasics/models/rulesDynamic.henshin_diagram
@@ -0,0 +1,60 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<notation:Diagram xmi:version="2.0" xmlns:xmi="http://www.omg.org/XMI" xmlns:ecore="http://www.eclipse.org/emf/2002/Ecore" xmlns:henshin="http://www.eclipse.org/emf/2011/Henshin" xmlns:notation="http://www.eclipse.org/gmf/runtime/1.0.2/notation" xmi:id="_yJrmIL9ZEemme_wk7Csgrw" type="Henshin" name="rulesDynamic.henshin_diagram" measurementUnit="Pixel">
+  <children xmi:type="notation:Shape" xmi:id="_y4zV8L9ZEemme_wk7Csgrw" type="2001" fontName="Segoe UI" italic="true" lineColor="0">
+    <eAnnotations xmi:type="ecore:EAnnotation" xmi:id="_1PsU0b9ZEemme_wk7Csgrw" source="defaultAction">
+      <details xmi:type="ecore:EStringToStringMapEntry" xmi:id="_1PsU0r9ZEemme_wk7Csgrw" key="value" value="preserve"/>
+    </eAnnotations>
+    <children xmi:type="notation:DecorationNode" xmi:id="_y4z9AL9ZEemme_wk7Csgrw" type="5001"/>
+    <children xmi:type="notation:DecorationNode" xmi:id="_y4z9Ab9ZEemme_wk7Csgrw" type="7001">
+      <children xmi:type="notation:Shape" xmi:id="_1PuKAL9ZEemme_wk7Csgrw" type="3001" fontName="Segoe UI">
+        <children xmi:type="notation:DecorationNode" xmi:id="_1PuxEL9ZEemme_wk7Csgrw" type="5002"/>
+        <children xmi:type="notation:DecorationNode" xmi:id="_1PuxEb9ZEemme_wk7Csgrw" type="5003"/>
+        <children xmi:type="notation:DecorationNode" xmi:id="_1PuxEr9ZEemme_wk7Csgrw" type="7002">
+          <styles xmi:type="notation:SortingStyle" xmi:id="_1PuxE79ZEemme_wk7Csgrw"/>
+          <styles xmi:type="notation:FilteringStyle" xmi:id="_1PuxFL9ZEemme_wk7Csgrw"/>
+        </children>
+        <element xmi:type="henshin:Node" href="rulesDynamic.henshin#_1PrtwL9ZEemme_wk7Csgrw"/>
+        <layoutConstraint xmi:type="notation:Bounds" xmi:id="_1PuKAb9ZEemme_wk7Csgrw" x="44" y="51"/>
+      </children>
+      <children xmi:type="notation:Shape" xmi:id="_2A5IQL9ZEemme_wk7Csgrw" type="3001" fontName="Segoe UI">
+        <children xmi:type="notation:DecorationNode" xmi:id="_2A5vUL9ZEemme_wk7Csgrw" type="5002"/>
+        <children xmi:type="notation:DecorationNode" xmi:id="_2A5vUb9ZEemme_wk7Csgrw" type="5003"/>
+        <children xmi:type="notation:DecorationNode" xmi:id="_2A5vUr9ZEemme_wk7Csgrw" type="7002">
+          <styles xmi:type="notation:SortingStyle" xmi:id="_2A5vU79ZEemme_wk7Csgrw"/>
+          <styles xmi:type="notation:FilteringStyle" xmi:id="_2A5vVL9ZEemme_wk7Csgrw"/>
+        </children>
+        <element xmi:type="henshin:Node" href="rulesDynamic.henshin#_2A4hML9ZEemme_wk7Csgrw"/>
+        <layoutConstraint xmi:type="notation:Bounds" xmi:id="_2A5IQb9ZEemme_wk7Csgrw" x="232" y="98"/>
+      </children>
+    </children>
+    <element xmi:type="henshin:Rule" href="rulesDynamic.henshin#_y4tPUL9ZEemme_wk7Csgrw"/>
+    <layoutConstraint xmi:type="notation:Bounds" xmi:id="_y4zV8b9ZEemme_wk7Csgrw" x="233" y="275" width="381" height="224"/>
+  </children>
+  <styles xmi:type="notation:DiagramStyle" xmi:id="_yJrmIb9ZEemme_wk7Csgrw"/>
+  <element xmi:type="henshin:Module" href="rulesDynamic.henshin#_yJq_EL9ZEemme_wk7Csgrw"/>
+  <edges xmi:type="notation:Connector" xmi:id="_2oEdAL9ZEemme_wk7Csgrw" type="4001" source="_1PuKAL9ZEemme_wk7Csgrw" target="_2A5IQL9ZEemme_wk7Csgrw">
+    <children xmi:type="notation:DecorationNode" xmi:id="_2oFEEL9ZEemme_wk7Csgrw" type="6001">
+      <layoutConstraint xmi:type="notation:Location" xmi:id="_2oFEEb9ZEemme_wk7Csgrw" x="-27" y="16"/>
+    </children>
+    <children xmi:type="notation:DecorationNode" xmi:id="_2oFEEr9ZEemme_wk7Csgrw" type="6002">
+      <layoutConstraint xmi:type="notation:Location" xmi:id="_2oFrIL9ZEemme_wk7Csgrw" x="-28" y="32"/>
+    </children>
+    <styles xmi:type="notation:FontStyle" xmi:id="_2oEdAb9ZEemme_wk7Csgrw" fontName="Segoe UI"/>
+    <element xmi:type="henshin:Edge" href="rulesDynamic.henshin#_2oCn0L9ZEemme_wk7Csgrw"/>
+    <bendpoints xmi:type="notation:RelativeBendpoints" xmi:id="_2oEdAr9ZEemme_wk7Csgrw" points="[0, 7, -199, -37]$[0, 44, -199, 0]$[157, 44, -42, 0]"/>
+    <sourceAnchor xmi:type="notation:IdentityAnchor" xmi:id="_2oJ8kL9ZEemme_wk7Csgrw" id="(0.5081967213114754,0.8333333333333334)"/>
+    <targetAnchor xmi:type="notation:IdentityAnchor" xmi:id="_2oJ8kb9ZEemme_wk7Csgrw" id="(0.6885245901639344,0.7619047619047619)"/>
+  </edges>
+  <edges xmi:type="notation:Connector" xmi:id="_58mv4L9ZEemme_wk7Csgrw" type="4001" source="_1PuKAL9ZEemme_wk7Csgrw" target="_2A5IQL9ZEemme_wk7Csgrw">
+    <children xmi:type="notation:DecorationNode" xmi:id="_58nW8L9ZEemme_wk7Csgrw" type="6001">
+      <layoutConstraint xmi:type="notation:Location" xmi:id="_58nW8b9ZEemme_wk7Csgrw" x="-1" y="-30"/>
+    </children>
+    <children xmi:type="notation:DecorationNode" xmi:id="_58nW8r9ZEemme_wk7Csgrw" type="6002">
+      <layoutConstraint xmi:type="notation:Location" xmi:id="_58n-AL9ZEemme_wk7Csgrw" x="-2" y="-14"/>
+    </children>
+    <styles xmi:type="notation:FontStyle" xmi:id="_58mv4b9ZEemme_wk7Csgrw" fontName="Segoe UI"/>
+    <element xmi:type="henshin:Edge" href="rulesDynamic.henshin#_58lhwL9ZEemme_wk7Csgrw"/>
+    <bendpoints xmi:type="notation:RelativeBendpoints" xmi:id="_58mv4r9ZEemme_wk7Csgrw" points="[6, 0, -157, -54]$[163, 0, 0, -54]$[163, 33, 0, -21]"/>
+    <sourceAnchor xmi:type="notation:IdentityAnchor" xmi:id="_58roYL9ZEemme_wk7Csgrw" id="(0.9016393442622951,0.3333333333333333)"/>
+  </edges>
+</notation:Diagram>
diff --git a/plugins/org.eclipse.emf.henshin.examples/src/org/eclipse/emf/henshin/examples/apibasics/models/rulesStatic.henshin b/plugins/org.eclipse.emf.henshin.examples/src/org/eclipse/emf/henshin/examples/apibasics/models/rulesStatic.henshin
new file mode 100644
index 000000000..09d9e855e
--- /dev/null
+++ b/plugins/org.eclipse.emf.henshin.examples/src/org/eclipse/emf/henshin/examples/apibasics/models/rulesStatic.henshin
@@ -0,0 +1,44 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<henshin:Module xmi:version="2.0" xmlns:xmi="http://www.omg.org/XMI" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:henshin="http://www.eclipse.org/emf/2011/Henshin" xmi:id="_Py1cUL9aEemvZa0qyWhzpg">
+  <imports href="www.boxing.com#/"/>
+  <units xsi:type="henshin:Rule" xmi:id="_QQH1QL9aEemvZa0qyWhzpg" name="addItemToBox">
+    <lhs xmi:id="_QQQYIL9aEemvZa0qyWhzpg" name="Lhs">
+      <nodes xmi:id="_Vu1gsL9aEemvZa0qyWhzpg" name="b">
+        <type href="www.boxing.com#//Box"/>
+      </nodes>
+      <nodes xmi:id="_WVcNsL9aEemvZa0qyWhzpg" name="i">
+        <type href="www.boxing.com#//Item"/>
+      </nodes>
+      <formula xsi:type="henshin:Not" xmi:id="_Xu_akL9aEemvZa0qyWhzpg">
+        <child xsi:type="henshin:NestedCondition" xmi:id="_Xu_akb9aEemvZa0qyWhzpg">
+          <conclusion xmi:id="_Xu_akr9aEemvZa0qyWhzpg">
+            <nodes xmi:id="_XvABoL9aEemvZa0qyWhzpg" name="b" outgoing="_XG5f0L9aEemvZa0qyWhzpg">
+              <type href="www.boxing.com#//Box"/>
+            </nodes>
+            <nodes xmi:id="_XvABor9aEemvZa0qyWhzpg" name="i" incoming="_XG5f0L9aEemvZa0qyWhzpg">
+              <type href="www.boxing.com#//Item"/>
+            </nodes>
+            <edges xmi:id="_XG5f0L9aEemvZa0qyWhzpg" source="_XvABoL9aEemvZa0qyWhzpg" target="_XvABor9aEemvZa0qyWhzpg">
+              <type href="www.boxing.com#//Box/stores"/>
+            </edges>
+          </conclusion>
+          <mappings xmi:id="_XvABob9aEemvZa0qyWhzpg" origin="_Vu1gsL9aEemvZa0qyWhzpg" image="_XvABoL9aEemvZa0qyWhzpg"/>
+          <mappings xmi:id="_XvABo79aEemvZa0qyWhzpg" origin="_WVcNsL9aEemvZa0qyWhzpg" image="_XvABor9aEemvZa0qyWhzpg"/>
+        </child>
+      </formula>
+    </lhs>
+    <rhs xmi:id="_QQQYIb9aEemvZa0qyWhzpg" name="Rhs">
+      <nodes xmi:id="_Vu2HwL9aEemvZa0qyWhzpg" name="b" outgoing="_YNyPYL9aEemvZa0qyWhzpg">
+        <type href="www.boxing.com#//Box"/>
+      </nodes>
+      <nodes xmi:id="_WVcNsb9aEemvZa0qyWhzpg" name="i" incoming="_YNyPYL9aEemvZa0qyWhzpg">
+        <type href="www.boxing.com#//Item"/>
+      </nodes>
+      <edges xmi:id="_YNyPYL9aEemvZa0qyWhzpg" source="_Vu2HwL9aEemvZa0qyWhzpg" target="_WVcNsb9aEemvZa0qyWhzpg">
+        <type href="www.boxing.com#//Box/stores"/>
+      </edges>
+    </rhs>
+    <mappings xmi:id="_Vu2u0L9aEemvZa0qyWhzpg" origin="_Vu1gsL9aEemvZa0qyWhzpg" image="_Vu2HwL9aEemvZa0qyWhzpg"/>
+    <mappings xmi:id="_WVc0wL9aEemvZa0qyWhzpg" origin="_WVcNsL9aEemvZa0qyWhzpg" image="_WVcNsb9aEemvZa0qyWhzpg"/>
+  </units>
+</henshin:Module>
diff --git a/plugins/org.eclipse.emf.henshin.examples/src/org/eclipse/emf/henshin/examples/apibasics/models/rulesStatic.henshin_diagram b/plugins/org.eclipse.emf.henshin.examples/src/org/eclipse/emf/henshin/examples/apibasics/models/rulesStatic.henshin_diagram
new file mode 100644
index 000000000..485588c2a
--- /dev/null
+++ b/plugins/org.eclipse.emf.henshin.examples/src/org/eclipse/emf/henshin/examples/apibasics/models/rulesStatic.henshin_diagram
@@ -0,0 +1,59 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<notation:Diagram xmi:version="2.0" xmlns:xmi="http://www.omg.org/XMI" xmlns:ecore="http://www.eclipse.org/emf/2002/Ecore" xmlns:henshin="http://www.eclipse.org/emf/2011/Henshin" xmlns:notation="http://www.eclipse.org/gmf/runtime/1.0.2/notation" xmi:id="_Py2DYL9aEemvZa0qyWhzpg" type="Henshin" name="rulesStatic.henshin_diagram" measurementUnit="Pixel">
+  <children xmi:type="notation:Shape" xmi:id="_QQNU0L9aEemvZa0qyWhzpg" type="2001" fontName="Segoe UI" italic="true" lineColor="0">
+    <eAnnotations xmi:type="ecore:EAnnotation" xmi:id="_Vu3V4L9aEemvZa0qyWhzpg" source="defaultAction">
+      <details xmi:type="ecore:EStringToStringMapEntry" xmi:id="_Vu3V4b9aEemvZa0qyWhzpg" key="value" value="preserve"/>
+    </eAnnotations>
+    <children xmi:type="notation:DecorationNode" xmi:id="_QQN74L9aEemvZa0qyWhzpg" type="5001"/>
+    <children xmi:type="notation:DecorationNode" xmi:id="_QQN74b9aEemvZa0qyWhzpg" type="7001">
+      <children xmi:type="notation:Shape" xmi:id="_Vu5yIL9aEemvZa0qyWhzpg" type="3001" fontName="Segoe UI">
+        <children xmi:type="notation:DecorationNode" xmi:id="_Vu6ZML9aEemvZa0qyWhzpg" type="5002"/>
+        <children xmi:type="notation:DecorationNode" xmi:id="_Vu7AQL9aEemvZa0qyWhzpg" type="5003"/>
+        <children xmi:type="notation:DecorationNode" xmi:id="_Vu7AQb9aEemvZa0qyWhzpg" type="7002">
+          <styles xmi:type="notation:SortingStyle" xmi:id="_Vu7AQr9aEemvZa0qyWhzpg"/>
+          <styles xmi:type="notation:FilteringStyle" xmi:id="_Vu7AQ79aEemvZa0qyWhzpg"/>
+        </children>
+        <element xmi:type="henshin:Node" href="rulesStatic.henshin#_Vu1gsL9aEemvZa0qyWhzpg"/>
+        <layoutConstraint xmi:type="notation:Bounds" xmi:id="_Vu5yIb9aEemvZa0qyWhzpg" x="58" y="37"/>
+      </children>
+      <children xmi:type="notation:Shape" xmi:id="_WVep8L9aEemvZa0qyWhzpg" type="3001" fontName="Segoe UI">
+        <children xmi:type="notation:DecorationNode" xmi:id="_WVfRAL9aEemvZa0qyWhzpg" type="5002"/>
+        <children xmi:type="notation:DecorationNode" xmi:id="_WVfRAb9aEemvZa0qyWhzpg" type="5003"/>
+        <children xmi:type="notation:DecorationNode" xmi:id="_WVf4EL9aEemvZa0qyWhzpg" type="7002">
+          <styles xmi:type="notation:SortingStyle" xmi:id="_WVf4Eb9aEemvZa0qyWhzpg"/>
+          <styles xmi:type="notation:FilteringStyle" xmi:id="_WVf4Er9aEemvZa0qyWhzpg"/>
+        </children>
+        <element xmi:type="henshin:Node" href="rulesStatic.henshin#_WVcNsL9aEemvZa0qyWhzpg"/>
+        <layoutConstraint xmi:type="notation:Bounds" xmi:id="_WVep8b9aEemvZa0qyWhzpg" x="249" y="88"/>
+      </children>
+    </children>
+    <element xmi:type="henshin:Rule" href="rulesStatic.henshin#_QQH1QL9aEemvZa0qyWhzpg"/>
+    <layoutConstraint xmi:type="notation:Bounds" xmi:id="_QQNU0b9aEemvZa0qyWhzpg" x="108" y="111" width="365"/>
+  </children>
+  <styles xmi:type="notation:DiagramStyle" xmi:id="_Py2DYb9aEemvZa0qyWhzpg"/>
+  <element xmi:type="henshin:Module" href="rulesStatic.henshin#_Py1cUL9aEemvZa0qyWhzpg"/>
+  <edges xmi:type="notation:Connector" xmi:id="_XG9KML9aEemvZa0qyWhzpg" type="4001" source="_Vu5yIL9aEemvZa0qyWhzpg" target="_WVep8L9aEemvZa0qyWhzpg">
+    <children xmi:type="notation:DecorationNode" xmi:id="_XG-YUL9aEemvZa0qyWhzpg" type="6001">
+      <layoutConstraint xmi:type="notation:Location" xmi:id="_XG-YUb9aEemvZa0qyWhzpg" x="-26" y="20"/>
+    </children>
+    <children xmi:type="notation:DecorationNode" xmi:id="_XG-YUr9aEemvZa0qyWhzpg" type="6002">
+      <layoutConstraint xmi:type="notation:Location" xmi:id="_XG-_YL9aEemvZa0qyWhzpg" x="-26" y="34"/>
+    </children>
+    <styles xmi:type="notation:FontStyle" xmi:id="_XG9KMb9aEemvZa0qyWhzpg" fontName="Segoe UI"/>
+    <element xmi:type="henshin:Edge" href="rulesStatic.henshin#_XG5f0L9aEemvZa0qyWhzpg"/>
+    <bendpoints xmi:type="notation:RelativeBendpoints" xmi:id="_XG9KMr9aEemvZa0qyWhzpg" points="[0, 21, -207, -37]$[0, 58, -207, 0]$[161, 58, -46, 0]"/>
+    <targetAnchor xmi:type="notation:IdentityAnchor" xmi:id="_XHFtEL9aEemvZa0qyWhzpg" id="(0.7540983606557377,0.6666666666666666)"/>
+  </edges>
+  <edges xmi:type="notation:Connector" xmi:id="_YN0EkL9aEemvZa0qyWhzpg" type="4001" source="_Vu5yIL9aEemvZa0qyWhzpg" target="_WVep8L9aEemvZa0qyWhzpg">
+    <children xmi:type="notation:DecorationNode" xmi:id="_YN0roL9aEemvZa0qyWhzpg" type="6001">
+      <layoutConstraint xmi:type="notation:Location" xmi:id="_YN0rob9aEemvZa0qyWhzpg" x="21" y="-30"/>
+    </children>
+    <children xmi:type="notation:DecorationNode" xmi:id="_YN1SsL9aEemvZa0qyWhzpg" type="6002">
+      <layoutConstraint xmi:type="notation:Location" xmi:id="_YN1Ssb9aEemvZa0qyWhzpg" x="18" y="-15"/>
+    </children>
+    <styles xmi:type="notation:FontStyle" xmi:id="_YN0Ekb9aEemvZa0qyWhzpg" fontName="Segoe UI"/>
+    <element xmi:type="henshin:Edge" href="rulesStatic.henshin#_YNyPYL9aEemvZa0qyWhzpg"/>
+    <bendpoints xmi:type="notation:RelativeBendpoints" xmi:id="_YN0Ekr9aEemvZa0qyWhzpg" points="[31, -8, -161, -40]$[192, -8, 0, -40]$[192, 30, 0, -2]"/>
+    <targetAnchor xmi:type="notation:IdentityAnchor" xmi:id="_YN6LML9aEemvZa0qyWhzpg" id="(0.5081967213114754,0.047619047619047616)"/>
+  </edges>
+</notation:Diagram>
diff --git a/plugins/org.eclipse.emf.henshin.examples/src/org/eclipse/emf/henshin/examples/apibasics/models/simpleModel.xmi b/plugins/org.eclipse.emf.henshin.examples/src/org/eclipse/emf/henshin/examples/apibasics/models/simpleModel.xmi
new file mode 100644
index 000000000..bacf598f1
--- /dev/null
+++ b/plugins/org.eclipse.emf.henshin.examples/src/org/eclipse/emf/henshin/examples/apibasics/models/simpleModel.xmi
@@ -0,0 +1,2 @@
+<?xml version="1.0" encoding="ASCII"?>
+<boxing:Boxing xmi:version="2.0" xmlns:xmi="http://www.omg.org/XMI" xmlns:boxing="www.boxing.com"/>
diff --git a/plugins/org.eclipse.emf.henshin.examples/src/org/eclipse/emf/henshin/examples/apibasics/testModels/storedItem.xmi b/plugins/org.eclipse.emf.henshin.examples/src/org/eclipse/emf/henshin/examples/apibasics/testModels/storedItem.xmi
new file mode 100644
index 000000000..de61d77cb
--- /dev/null
+++ b/plugins/org.eclipse.emf.henshin.examples/src/org/eclipse/emf/henshin/examples/apibasics/testModels/storedItem.xmi
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<boxing:Boxing
+    xmi:version="2.0"
+    xmlns:xmi="http://www.omg.org/XMI"
+    xmlns:boxing="www.boxing.com">
+  <boxes stores="//@items.0"/>
+  <items isStoredBy="//@boxes.0"/>
+</boxing:Boxing>
diff --git a/plugins/org.eclipse.emf.henshin.examples/src/org/eclipse/emf/henshin/examples/apibasics/testModels/unstoredItem.xmi b/plugins/org.eclipse.emf.henshin.examples/src/org/eclipse/emf/henshin/examples/apibasics/testModels/unstoredItem.xmi
new file mode 100644
index 000000000..22854c9ea
--- /dev/null
+++ b/plugins/org.eclipse.emf.henshin.examples/src/org/eclipse/emf/henshin/examples/apibasics/testModels/unstoredItem.xmi
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<boxing:Boxing xmi:version="2.0"
+    xmlns:xmi="http://www.omg.org/XMI"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xmlns:boxing="www.boxing.com">
+  <boxes/>
+  <items/>
+</boxing:Boxing>