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authorEike Stepper2016-06-15 00:54:31 -0400
committerEike Stepper2016-06-15 00:54:31 -0400
commita0209368aaeabe141ba7237a139feeb5e3466721 (patch)
tree4311ef5f763b26c8b5f0282ffa8dd9979b0073cf
parent64de150c96ef9a097d387b61c01590bb1419c9a4 (diff)
downloadcdo-committers/estepper/lazy-content-adapter.tar.gz
cdo-committers/estepper/lazy-content-adapter.tar.xz
cdo-committers/estepper/lazy-content-adapter.zip
387563: Generalize the "lock of new objects on commit" feature to the "lock/unlock objects on commit" committers/estepper/lazy-content-adapter
Task-Url: https://bugs.eclipse.org/bugs/show_bug.cgi?id=387563
-rw-r--r--plugins/org.eclipse.emf.cdo.tests/src/org/eclipse/emf/cdo/tests/bugzilla/Bugzilla_247141_Test.java97
-rw-r--r--plugins/org.eclipse.emf.cdo/src/org/eclipse/emf/cdo/util/CDOLazyContentAdapter.java124
2 files changed, 171 insertions, 50 deletions
diff --git a/plugins/org.eclipse.emf.cdo.tests/src/org/eclipse/emf/cdo/tests/bugzilla/Bugzilla_247141_Test.java b/plugins/org.eclipse.emf.cdo.tests/src/org/eclipse/emf/cdo/tests/bugzilla/Bugzilla_247141_Test.java
index aa3f421e32..3f93fe1dab 100644
--- a/plugins/org.eclipse.emf.cdo.tests/src/org/eclipse/emf/cdo/tests/bugzilla/Bugzilla_247141_Test.java
+++ b/plugins/org.eclipse.emf.cdo.tests/src/org/eclipse/emf/cdo/tests/bugzilla/Bugzilla_247141_Test.java
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2011, 2012, 2015 Eike Stepper (Berlin, Germany) and others.
+ * Copyright (c) 2011, 2012 Eike Stepper (Berlin, Germany) and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
@@ -15,24 +15,26 @@ import org.eclipse.emf.cdo.common.id.CDOID;
import org.eclipse.emf.cdo.eresource.CDOResource;
import org.eclipse.emf.cdo.session.CDOSession;
import org.eclipse.emf.cdo.tests.AbstractCDOTest;
+import org.eclipse.emf.cdo.tests.model1.Company;
import org.eclipse.emf.cdo.tests.model1.Customer;
import org.eclipse.emf.cdo.transaction.CDOTransaction;
import org.eclipse.emf.cdo.util.CDOLazyContentAdapter;
import org.eclipse.emf.cdo.util.CDOUtil;
import org.eclipse.emf.cdo.view.CDOView;
-import org.eclipse.emf.ecore.util.EContentAdapter;
+import org.eclipse.emf.common.notify.Adapter;
/**
* Create a lazy self-attaching adapter for CDOObject
* <p>
* See bug 247141
- *
+ *
* @author Victor Roldan Betancort
*/
public class Bugzilla_247141_Test extends AbstractCDOTest
{
- public void testContentAdapterBehavior() throws Exception
+
+ public void testContentAdapterBehaviour() throws Exception
{
CDOID id1 = null;
CDOID id2 = null;
@@ -69,7 +71,7 @@ public class Bugzilla_247141_Test extends AbstractCDOTest
CDOSession session = openSession();
CDOTransaction transaction = session.openTransaction();
CDOResource resource1 = transaction.getResource(getResourcePath("/test1"));
- EContentAdapter adapter = new CDOLazyContentAdapter();
+ Adapter.Internal adapter = new CDOLazyContentAdapter();
resource1.eAdapters().add(adapter);
CDOView view = resource1.cdoView();
@@ -99,7 +101,7 @@ public class Bugzilla_247141_Test extends AbstractCDOTest
assertEquals(false, resource1.eAdapters().contains(adapter));
}
- public void testBehaviorOnUncommittedObjects() throws Exception
+ public void testBehaviourOnUncommittedObjects() throws Exception
{
CDOSession session = openSession();
CDOTransaction transaction = session.openTransaction();
@@ -112,7 +114,7 @@ public class Bugzilla_247141_Test extends AbstractCDOTest
transaction.commit();
- EContentAdapter adapter = new CDOLazyContentAdapter();
+ Adapter.Internal adapter = new CDOLazyContentAdapter();
resource1.eAdapters().add(adapter);
// resource1 and all its loaded contents should have been adapted
@@ -140,4 +142,85 @@ public class Bugzilla_247141_Test extends AbstractCDOTest
assertEquals(false, customer3.eAdapters().contains(adapter));
assertEquals(false, customer4.eAdapters().contains(adapter));
}
+
+ public void testContentAdapterBehaviourOnNonResourceRoot() throws Exception
+ {
+ CDOID id1 = null;
+ CDOID id1_1 = null;
+
+ CDOID id2 = null;
+ CDOID id3 = null;
+ CDOID id4 = null;
+
+ {
+ CDOSession session = openSession();
+ CDOTransaction transaction = session.openTransaction();
+ CDOResource resource1 = transaction.createResource(getResourcePath("/test1"));
+
+ // 2 level containment.
+ Company comp1 = getModel1Factory().createCompany();
+ Customer customer1 = getModel1Factory().createCustomer();
+ comp1.getCustomers().add(customer1);
+
+ Company comp2 = getModel1Factory().createCompany();
+
+ resource1.getContents().add(comp1);
+ resource1.getContents().add(comp2);
+
+ CDOResource resource2 = transaction.createResource(getResourcePath("/test2"));
+
+ Company comp3 = getModel1Factory().createCompany();
+ Company comp4 = getModel1Factory().createCompany();
+
+ resource2.getContents().add(comp3);
+ resource2.getContents().add(comp4);
+
+ transaction.commit();
+
+ id1 = CDOUtil.getCDOObject(comp1).cdoID();
+ id1_1 = CDOUtil.getCDOObject(customer1).cdoID();
+
+ id2 = CDOUtil.getCDOObject(comp2).cdoID();
+ id3 = CDOUtil.getCDOObject(comp3).cdoID();
+ id4 = CDOUtil.getCDOObject(comp4).cdoID();
+
+ transaction.close();
+ session.close();
+ }
+
+ CDOSession session = openSession();
+ CDOTransaction transaction = session.openTransaction();
+ CDOResource resource1 = transaction.getResource(getResourcePath("/test1"));
+ Adapter.Internal adapter = new CDOLazyContentAdapter();
+
+ CDOView view = resource1.cdoView();
+ CDOObject object1 = view.getObject(id1);
+ CDOObject object1_1 = view.getObject(id1_1);
+ CDOObject object2 = view.getObject(id2);
+
+ object1.eAdapters().add(adapter);
+
+ // object1 and all its loaded contents should have been adapted
+ assertEquals(true, object1.eAdapters().contains(adapter));
+ assertEquals(true, object1_1.eAdapters().contains(adapter));
+ assertEquals(false, object2.eAdapters().contains(adapter));
+
+ // res2 should NOT be adapted, as its not in the content tree of res1
+ CDOResource resource2 = transaction.getResource(getResourcePath("/test2"));
+ // neither should its children
+ CDOObject object3 = view.getObject(id3);
+ CDOObject object4 = view.getObject(id4);
+
+ assertEquals(false, resource2.eAdapters().contains(adapter));
+ assertEquals(false, object3.eAdapters().contains(adapter));
+ assertEquals(false, object4.eAdapters().contains(adapter));
+
+ // Removing adapter
+ adapter.unsetTarget(object1);
+
+ assertEquals(false, object1.eAdapters().contains(adapter));
+ assertEquals(false, object1_1.eAdapters().contains(adapter));
+ assertEquals(false, object2.eAdapters().contains(adapter));
+ assertEquals(false, resource1.eAdapters().contains(adapter));
+ }
}
diff --git a/plugins/org.eclipse.emf.cdo/src/org/eclipse/emf/cdo/util/CDOLazyContentAdapter.java b/plugins/org.eclipse.emf.cdo/src/org/eclipse/emf/cdo/util/CDOLazyContentAdapter.java
index 21ba71b61c..a216d54cbb 100644
--- a/plugins/org.eclipse.emf.cdo/src/org/eclipse/emf/cdo/util/CDOLazyContentAdapter.java
+++ b/plugins/org.eclipse.emf.cdo/src/org/eclipse/emf/cdo/util/CDOLazyContentAdapter.java
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2011, 2012, 2014 Eike Stepper (Berlin, Germany) and others.
+ * Copyright (c) 2011, 2012 Eike Stepper (Berlin, Germany) and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
@@ -15,9 +15,12 @@ import org.eclipse.emf.cdo.CDOState;
import org.eclipse.emf.cdo.view.CDOObjectHandler;
import org.eclipse.emf.cdo.view.CDOView;
+import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.notify.Notifier;
+import org.eclipse.emf.common.notify.impl.AdapterImpl;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.resource.Resource;
+import org.eclipse.emf.ecore.resource.ResourceSet;
import org.eclipse.emf.ecore.util.EContentAdapter;
import org.eclipse.emf.ecore.util.EcoreUtil;
import org.eclipse.emf.spi.cdo.FSMUtil;
@@ -34,36 +37,55 @@ import java.util.Set;
* @author Victor Roldan Betancort
* @since 4.0
*/
-public class CDOLazyContentAdapter extends EContentAdapter
+public class CDOLazyContentAdapter extends AdapterImpl
{
private CDOObjectHandler handler = new CleanObjectHandler();
private Set<WeakReference<CDOObject>> adaptedObjects = new HashSet<WeakReference<CDOObject>>();
- /**
- * The root object to be adapted.
- */
- private WeakReference<CDOObject> adaptedRoot;
+ private WeakReference<Notifier> adaptedRoot;
@Override
- protected void setTarget(EObject target)
+ public Notifier getTarget()
+ {
+ return null;
+ }
+
+ @Override
+ public void setTarget(Notifier target)
{
if (isConnectedObject(target))
{
if (adaptedRoot == null)
{
- adaptedRoot = new WeakReference<CDOObject>(CDOUtil.getCDOObject(target));
+ adaptedRoot = new WeakReference<Notifier>(CDOUtil.getCDOObject(target));
}
- basicSetTarget(target);
if (target instanceof Resource)
{
addCleanObjectHandler(target);
}
}
- else
+ }
+
+ @Override
+ public void notifyChanged(Notification notification)
+ {
+ }
+
+ protected void setTarget(EObject target)
+ {
+ if (isConnectedObject(target))
{
- super.setTarget(target);
+ if (adaptedRoot == null)
+ {
+ adaptedRoot = new WeakReference<Notifier>(CDOUtil.getCDOObject(target));
+ }
+
+ if (target instanceof Resource)
+ {
+ addCleanObjectHandler(target);
+ }
}
}
@@ -72,11 +94,10 @@ public class CDOLazyContentAdapter extends EContentAdapter
* loaded objects
*/
@Override
- protected void unsetTarget(EObject target)
+ public void unsetTarget(Notifier target)
{
if (isConnectedObject(target))
{
- basicUnsetTarget(target);
if (target instanceof Resource)
{
InternalCDOView view = getCDOView(target);
@@ -97,10 +118,6 @@ public class CDOLazyContentAdapter extends EContentAdapter
removeCleanObjectHandler(target);
}
}
- else
- {
- super.unsetTarget(target);
- }
}
private void addCleanObjectHandler(EObject target)
@@ -147,15 +164,17 @@ public class CDOLazyContentAdapter extends EContentAdapter
}
}
- @Override
protected void addAdapter(Notifier notifier)
{
if (isConnectedObject(notifier) && !isAlreadyAdapted(notifier))
{
adaptedObjects.add(new WeakReference<CDOObject>(CDOUtil.getCDOObject((EObject)notifier)));
}
+ }
- super.addAdapter(notifier);
+ protected void removeAdapter(Notifier notifier)
+ {
+ notifier.eAdapters().remove(this);
}
private boolean isAlreadyAdapted(Notifier notifier)
@@ -163,6 +182,49 @@ public class CDOLazyContentAdapter extends EContentAdapter
return notifier.eAdapters().contains(this);
}
+ /**
+ * Checks if the argument is contained in the object graph of the root element
+ */
+ private boolean isContained(CDOObject object)
+ {
+ if (adaptedRoot == null)
+ {
+ return false;
+ }
+
+ Notifier root = adaptedRoot.get();
+ return isContained(object, root);
+ }
+
+ private boolean isContained(CDOObject object, Notifier root)
+ {
+ if (object == null || root == null)
+ {
+ return false;
+ }
+
+ if (root instanceof Resource)
+ {
+ return root == (object instanceof Resource ? object : object.cdoResource());
+ }
+
+ if (root instanceof ResourceSet)
+ {
+ ResourceSet resourceSet = (ResourceSet)root;
+ for (Resource resource : resourceSet.getResources())
+ {
+ if (isContained(object, resource))
+ {
+ return true;
+ }
+ }
+
+ return false;
+ }
+
+ return EcoreUtil.isAncestor((EObject)root, object);
+ }
+
private static InternalCDOView getCDOView(EObject target)
{
CDOObject object = CDOUtil.getCDOObject(target);
@@ -189,30 +251,6 @@ public class CDOLazyContentAdapter extends EContentAdapter
}
/**
- * Checks if the argument is contained in the object graph of the root element
- */
- private boolean isContained(CDOObject object)
- {
- if (adaptedRoot == null)
- {
- return false;
- }
-
- CDOObject root = adaptedRoot.get();
- if (object == null)
- {
- return false;
- }
-
- if (root instanceof Resource)
- {
- return root == (object instanceof Resource ? object : object.cdoResource());
- }
-
- return EcoreUtil.isAncestor(root, object);
- }
-
- /**
* @author Victor Roldan Betancort
*/
private final class CleanObjectHandler implements CDOObjectHandler

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