diff options
Diffstat (limited to 'plugins/org.eclipse.emf.cdo.evolution/src/org/eclipse/emf/cdo/evolution/impl/ModelSetImpl.java')
| -rw-r--r-- | plugins/org.eclipse.emf.cdo.evolution/src/org/eclipse/emf/cdo/evolution/impl/ModelSetImpl.java | 937 |
1 files changed, 0 insertions, 937 deletions
diff --git a/plugins/org.eclipse.emf.cdo.evolution/src/org/eclipse/emf/cdo/evolution/impl/ModelSetImpl.java b/plugins/org.eclipse.emf.cdo.evolution/src/org/eclipse/emf/cdo/evolution/impl/ModelSetImpl.java deleted file mode 100644 index b7d7696a87..0000000000 --- a/plugins/org.eclipse.emf.cdo.evolution/src/org/eclipse/emf/cdo/evolution/impl/ModelSetImpl.java +++ /dev/null @@ -1,937 +0,0 @@ -/** - */ -package org.eclipse.emf.cdo.evolution.impl; - -import org.eclipse.emf.cdo.evolution.Change; -import org.eclipse.emf.cdo.evolution.ChangeKind; -import org.eclipse.emf.cdo.evolution.ElementChange; -import org.eclipse.emf.cdo.evolution.Evolution; -import org.eclipse.emf.cdo.evolution.EvolutionFactory; -import org.eclipse.emf.cdo.evolution.EvolutionPackage; -import org.eclipse.emf.cdo.evolution.Migration; -import org.eclipse.emf.cdo.evolution.ModelSet; -import org.eclipse.emf.cdo.evolution.ModelSetChange; -import org.eclipse.emf.cdo.evolution.PropertyChange; -import org.eclipse.emf.cdo.evolution.Release; -import org.eclipse.emf.cdo.evolution.util.ElementHandler; -import org.eclipse.emf.cdo.evolution.util.ElementRunnable; -import org.eclipse.emf.cdo.evolution.util.IDAnnotation; - -import org.eclipse.emf.internal.cdo.CDOObjectImpl; - -import org.eclipse.net4j.util.ObjectUtil; -import org.eclipse.net4j.util.collection.CollectionUtil; - -import org.eclipse.emf.common.notify.NotificationChain; -import org.eclipse.emf.common.util.BasicEList; -import org.eclipse.emf.common.util.ECollections; -import org.eclipse.emf.common.util.EList; -import org.eclipse.emf.ecore.EClass; -import org.eclipse.emf.ecore.EModelElement; -import org.eclipse.emf.ecore.EObject; -import org.eclipse.emf.ecore.EPackage; -import org.eclipse.emf.ecore.EReference; -import org.eclipse.emf.ecore.EStructuralFeature; -import org.eclipse.emf.ecore.EcorePackage; -import org.eclipse.emf.ecore.InternalEObject; -import org.eclipse.emf.ecore.util.EcoreUtil; -import org.eclipse.emf.ecore.util.InternalEList; - -import java.lang.reflect.InvocationTargetException; -import java.util.Collection; -import java.util.Iterator; -import java.util.Map; -import java.util.Set; - -/** - * <!-- begin-user-doc --> - * An implementation of the model object '<em><b>Model Set</b></em>'. - * <!-- end-user-doc --> - * <p> - * The following features are implemented: - * </p> - * <ul> - * <li>{@link org.eclipse.emf.cdo.evolution.impl.ModelSetImpl#getChange <em>Change</em>}</li> - * <li>{@link org.eclipse.emf.cdo.evolution.impl.ModelSetImpl#getMigrations <em>Migrations</em>}</li> - * </ul> - * - * @generated - */ -public abstract class ModelSetImpl extends CDOObjectImpl implements ModelSet -{ - private static final boolean COMPARE_CONTAINMENT = false; - - private static final boolean DEBUG_IDS = false; - - private static final boolean DEBUG_MATCH = false; - - private static final boolean DEBUG_COMPARE = false; - - private static final boolean DEBUG_CLEANUP = false; - - private boolean changeInvalid; - - private ModelSetImpl emptyModelSet; - - /** - * <!-- begin-user-doc --> - * <!-- end-user-doc --> - * @generated - */ - protected ModelSetImpl() - { - super(); - } - - /** - * <!-- begin-user-doc --> - * <!-- end-user-doc --> - * @generated - */ - @Override - protected EClass eStaticClass() - { - return EvolutionPackage.Literals.MODEL_SET; - } - - /** - * <!-- begin-user-doc --> - * <!-- end-user-doc --> - * @generated - */ - @Override - protected int eStaticFeatureCount() - { - return 0; - } - - /** - * <!-- begin-user-doc --> - * <!-- end-user-doc --> - * @generated - */ - public ModelSetChange getChangeGen() - { - return (ModelSetChange)eDynamicGet(EvolutionPackage.MODEL_SET__CHANGE, EvolutionPackage.Literals.MODEL_SET__CHANGE, true, true); - } - - /** - * <!-- begin-user-doc --> - * <!-- end-user-doc --> - * - * @generated NOT - */ - public ModelSetChange getChange() - { - ModelSetChangeImpl change = (ModelSetChangeImpl)getChangeGen(); - if (change != null && change.getOldModelSet() != getOldModelSet()) - { - // Can happen after undoing a release. - change = null; - } - - if (change == null || changeInvalid) - - { - ModelSetChangeImpl result; - Map<EModelElement, ElementChange> previousElementChanges; - - if (change != null) - { - previousElementChanges = change.reset(); - result = change; - } - else - { - ModelSet oldModelSet = getOldModelSet(); - ModelSet[] modelSetChain = createModelSetChain(oldModelSet, this); - - previousElementChanges = null; - result = (ModelSetChangeImpl)EvolutionFactory.eINSTANCE.createModelSetChange(modelSetChain); - } - - compareElements(result, previousElementChanges); - - try - { - eSetDeliver(false); - setChange(change = result); - } - finally - { - eSetDeliver(true); - changeInvalid = false; - } - } - - return change; - } - - /** - * <!-- begin-user-doc --> - * <!-- end-user-doc --> - * @generated - */ - public NotificationChain basicSetChange(ModelSetChange newChange, NotificationChain msgs) - { - msgs = eDynamicInverseAdd((InternalEObject)newChange, EvolutionPackage.MODEL_SET__CHANGE, msgs); - return msgs; - } - - /** - * <!-- begin-user-doc --> - * <!-- end-user-doc --> - * @generated - */ - public void setChange(ModelSetChange newChange) - { - eDynamicSet(EvolutionPackage.MODEL_SET__CHANGE, EvolutionPackage.Literals.MODEL_SET__CHANGE, newChange); - } - - /** - * <!-- begin-user-doc --> - * <!-- end-user-doc --> - * @generated - */ - public NotificationChain basicUnsetChange(NotificationChain msgs) - { - return eDynamicInverseRemove((InternalEObject)getChange(), EvolutionPackage.MODEL_SET__CHANGE, msgs); - } - - /** - * <!-- begin-user-doc --> - * <!-- end-user-doc --> - * @generated - */ - public void unsetChange() - { - eDynamicUnset(EvolutionPackage.MODEL_SET__CHANGE, EvolutionPackage.Literals.MODEL_SET__CHANGE); - } - - /** - * <!-- begin-user-doc --> - * <!-- end-user-doc --> - * @generated - */ - public boolean isSetChange() - { - return eDynamicIsSet(EvolutionPackage.MODEL_SET__CHANGE, EvolutionPackage.Literals.MODEL_SET__CHANGE); - } - - /** - * <!-- begin-user-doc --> - * <!-- end-user-doc --> - * @generated - */ - @SuppressWarnings("unchecked") - public EList<Migration> getMigrations() - { - return (EList<Migration>)eDynamicGet(EvolutionPackage.MODEL_SET__MIGRATIONS, EvolutionPackage.Literals.MODEL_SET__MIGRATIONS, true, true); - } - - /** - * <!-- begin-user-doc --> - * <!-- end-user-doc --> - * @generated NOT - */ - public abstract Evolution getEvolution(); - - /** - * <!-- begin-user-doc --> - * <!-- end-user-doc --> - * @generated NOT - */ - public abstract int getVersion(); - - /** - * <!-- begin-user-doc --> - * <!-- end-user-doc --> - * @generated NOT - */ - public abstract Release getPreviousRelease(); - - /** - * <!-- begin-user-doc --> - * <!-- end-user-doc --> - * @generated NOT - */ - public abstract EList<EPackage> getRootPackages(); - - /** - * <!-- begin-user-doc --> - * <!-- end-user-doc --> - * @generated NOT - */ - public abstract EList<EPackage> getAllPackages(); - - /** - * <!-- begin-user-doc --> - * <!-- end-user-doc --> - * @generated NOT - */ - public abstract boolean containsElement(EModelElement modelElement); - - /** - * <!-- begin-user-doc --> - * <!-- end-user-doc --> - * @generated NOT - */ - @SuppressWarnings("unchecked") - public <T extends EModelElement> T getElement(final String id) - { - // TODO Design better approach to early return from ElementHandler.execute(). - int xxx; - - class ResultException extends RuntimeException - { - private static final long serialVersionUID = 1L; - - EModelElement result; - } - - try - { - ElementHandler.execute(getRootPackages(), new ElementRunnable() - { - public void run(EModelElement modelElement) - { - if (ObjectUtil.equals(id, getElementID(modelElement))) - { - ResultException ex = new ResultException(); - ex.result = modelElement; - throw ex; - } - } - }); - } - catch (ResultException ex) - { - return (T)ex.result; - } - - return null; - } - - /** - * <!-- begin-user-doc --> - * <!-- end-user-doc --> - * @generated NOT - */ - public String getElementID(EModelElement modelElement) - { - return getElementID(modelElement, false); - } - - /** - * <!-- begin-user-doc --> - * <!-- end-user-doc --> - * @generated NOT - */ - public String getElementID(EModelElement modelElement, boolean considerOldIDs) - { - if (containsElement(modelElement)) - { - return IDAnnotation.getValue(modelElement, considerOldIDs); - } - - return null; - } - - /** - * <!-- begin-user-doc --> - * <!-- end-user-doc --> - * @generated NOT - */ - public ModelSetChange compare(ModelSet other) - { - ModelSet[] modelSetChain = createModelSetChain(this, other); - ModelSetChangeImpl result = (ModelSetChangeImpl)EvolutionFactory.eINSTANCE.createModelSetChange(modelSetChain); - - compareElements(result, null); - return result; - } - - /** - * <!-- begin-user-doc --> - * <!-- end-user-doc --> - * @generated NOT - */ - public Migration getMigration(String diagnosticID) - { - if (diagnosticID != null) - { - for (Migration migration : getMigrations()) - { - if (diagnosticID.equals(migration.getDiagnosticID())) - { - return migration; - } - } - } - - return null; - } - - /** - * <!-- begin-user-doc --> - * <!-- end-user-doc --> - * @generated - */ - @SuppressWarnings("unchecked") - @Override - public NotificationChain eInverseAdd(InternalEObject otherEnd, int featureID, NotificationChain msgs) - { - switch (featureID) - { - case EvolutionPackage.MODEL_SET__MIGRATIONS: - return ((InternalEList<InternalEObject>)(InternalEList<?>)getMigrations()).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 EvolutionPackage.MODEL_SET__CHANGE: - return basicUnsetChange(msgs); - case EvolutionPackage.MODEL_SET__MIGRATIONS: - return ((InternalEList<?>)getMigrations()).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 EvolutionPackage.MODEL_SET__CHANGE: - return getChange(); - case EvolutionPackage.MODEL_SET__MIGRATIONS: - return getMigrations(); - } - 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 EvolutionPackage.MODEL_SET__CHANGE: - setChange((ModelSetChange)newValue); - return; - case EvolutionPackage.MODEL_SET__MIGRATIONS: - getMigrations().clear(); - getMigrations().addAll((Collection<? extends Migration>)newValue); - return; - } - super.eSet(featureID, newValue); - } - - /** - * <!-- begin-user-doc --> - * <!-- end-user-doc --> - * @generated - */ - @Override - public void eUnset(int featureID) - { - switch (featureID) - { - case EvolutionPackage.MODEL_SET__CHANGE: - unsetChange(); - return; - case EvolutionPackage.MODEL_SET__MIGRATIONS: - getMigrations().clear(); - return; - } - super.eUnset(featureID); - } - - /** - * <!-- begin-user-doc --> - * <!-- end-user-doc --> - * @generated - */ - @Override - public boolean eIsSet(int featureID) - { - switch (featureID) - { - case EvolutionPackage.MODEL_SET__CHANGE: - return isSetChange(); - case EvolutionPackage.MODEL_SET__MIGRATIONS: - return !getMigrations().isEmpty(); - } - return super.eIsSet(featureID); - } - - /** - * <!-- begin-user-doc --> - * <!-- end-user-doc --> - * @generated - */ - @Override - public Object eInvoke(int operationID, EList<?> arguments) throws InvocationTargetException - { - switch (operationID) - { - case EvolutionPackage.MODEL_SET___GET_EVOLUTION: - return getEvolution(); - case EvolutionPackage.MODEL_SET___GET_VERSION: - return getVersion(); - case EvolutionPackage.MODEL_SET___GET_PREVIOUS_RELEASE: - return getPreviousRelease(); - case EvolutionPackage.MODEL_SET___GET_ROOT_PACKAGES: - return getRootPackages(); - case EvolutionPackage.MODEL_SET___GET_ALL_PACKAGES: - return getAllPackages(); - case EvolutionPackage.MODEL_SET___CONTAINS_ELEMENT__EMODELELEMENT: - return containsElement((EModelElement)arguments.get(0)); - case EvolutionPackage.MODEL_SET___GET_ELEMENT__STRING: - return getElement((String)arguments.get(0)); - case EvolutionPackage.MODEL_SET___GET_ELEMENT_ID__EMODELELEMENT: - return getElementID((EModelElement)arguments.get(0)); - case EvolutionPackage.MODEL_SET___GET_ELEMENT_ID__EMODELELEMENT_BOOLEAN: - return getElementID((EModelElement)arguments.get(0), (Boolean)arguments.get(1)); - case EvolutionPackage.MODEL_SET___COMPARE__MODELSET: - return compare((ModelSet)arguments.get(0)); - case EvolutionPackage.MODEL_SET___GET_MIGRATION__STRING: - return getMigration((String)arguments.get(0)); - } - return super.eInvoke(operationID, arguments); - } - - public void invalidateChange() - { - changeInvalid = true; - } - - private ModelSet getOldModelSet() - { - Release previousRelease = getPreviousRelease(); - return previousRelease != null ? previousRelease : getEmptyModelSet(); - } - - private ModelSet getEmptyModelSet() - { - if (emptyModelSet == null) - { - emptyModelSet = new ModelSetImpl() - { - @Override - public int getVersion() - { - return 0; - } - - @Override - public EList<EPackage> getRootPackages() - { - return ECollections.emptyEList(); - } - - @Override - public Release getPreviousRelease() - { - return null; - } - - @Override - public Evolution getEvolution() - { - return ModelSetImpl.this.getEvolution(); - } - - @Override - public EList<EPackage> getAllPackages() - { - return ECollections.emptyEList(); - } - - @Override - public boolean containsElement(EModelElement modelElement) - { - return false; - } - }; - } - - return emptyModelSet; - } - - private static void compareElements(final ModelSetChangeImpl result, final Map<EModelElement, ElementChange> previousElementChanges) - { - final ModelSet[] modelSets = result.getModelSetChain(); - final ModelSet oldModelSet = result.getOldModelSet(); - final ModelSet newModelSet = result.getNewModelSet(); - - ElementHandler.execute(newModelSet.getRootPackages(), new ElementRunnable() - { - public void run(EModelElement newElement) - { - EModelElement oldElement = newElement; - - for (int i = modelSets.length - 1; i > 0; --i) - { - String id = modelSets[i].getElementID(oldElement, true); - oldElement = modelSets[i - 1].getElement(id); - if (oldElement == null) - { - break; - } - } - - if (oldElement != null) - { - String newID = IDAnnotation.getValue(newElement); - String oldID = IDAnnotation.getValue(oldElement); - - ChangeKind kind = ObjectUtil.equals(newID, oldID) ? ChangeKind.NONE : ChangeKind.COPIED; - if (kind == ChangeKind.COPIED) - { - if (newModelSet.getElement(oldID) == null) - { - kind = ChangeKind.MOVED; - } - } - - if (DEBUG_MATCH) - { - System.out.println(kind + " " + getLabel(oldElement) + " --> " + getLabel(newElement)); - } - - ElementChange elementChange = getElementChange(newElement, oldElement, kind, previousElementChanges); - getParentChange(elementChange, result).getChildren().add(elementChange); - result.getElementChanges().put(oldElement, elementChange); - result.getElementChanges().put(newElement, elementChange); - result.getNewToOldElements().put(newElement, oldElement); - CollectionUtil.add(result.getOldToNewElements(), oldElement, newElement); - } - else - { - if (DEBUG_MATCH) - { - System.out.println("ADDED " + getLabel(newElement)); - } - - ElementChange elementChange = getElementChange(null, newElement, ChangeKind.ADDED, previousElementChanges); - getParentChange(elementChange, result).getChildren().add(elementChange); - result.getElementChanges().put(newElement, elementChange); - result.getAddedElements().add(newElement); - } - } - }); - - ElementHandler.execute(oldModelSet.getRootPackages(), new ElementRunnable() - { - public void run(EModelElement oldElement) - { - if (isRemoved(oldElement)) - { - if (DEBUG_MATCH) - { - System.out.println("REMOVED " + getLabel(oldElement)); - } - - ElementChange elementChange = getElementChange(oldElement, null, ChangeKind.REMOVED, previousElementChanges); - getParentChange(elementChange, result).getChildren().add(elementChange); - result.getElementChanges().put(oldElement, elementChange); - result.getRemovedElements().add(oldElement); - } - } - - private boolean isRemoved(EModelElement oldElement) - { - Set<EModelElement> newElements = result.getOldToNewElements().get(oldElement); - if (newElements == null || newElements.isEmpty()) - { - return true; - } - - String oldID = oldModelSet.getElementID(oldElement); - for (EModelElement newElement : newElements) - { - String newID = newModelSet.getElementID(newElement); - if (ObjectUtil.equals(newID, oldID)) - { - return false; - } - } - - return true; - } - }); - - for (Map.Entry<EModelElement, EModelElement> entry : result.getNewToOldElements().entrySet()) - { - EModelElement newElement = entry.getKey(); - EModelElement oldElement = entry.getValue(); - - compareProperties(result, newElement, oldElement); - } - - for (EModelElement newElement : result.getAddedElements()) - { - compareProperties(result, newElement, null); - } - - cleanupChanges(result); - } - - private static void compareProperties(ModelSetChange result, EModelElement newElement, EModelElement oldElement) - { - EClass eClass = newElement.eClass(); - - if (oldElement == null) - { - oldElement = (EModelElement)EcoreUtil.create(eClass); - } - else if (oldElement.eClass() != eClass) - { - int xxx; - throw new IllegalArgumentException(); - } - - Map<EModelElement, EModelElement> newToOldElements = result.getNewToOldElements(); - - for (EStructuralFeature feature : eClass.getEAllStructuralFeatures()) - { - if (feature.isDerived()) - { - continue; - } - - if (feature == EcorePackage.Literals.EPACKAGE__EFACTORY_INSTANCE) - { - continue; - } - - if (feature == EcorePackage.Literals.EENUM_LITERAL__INSTANCE) - { - continue; - } - - EReference eReference = feature instanceof EReference ? (EReference)feature : null; - if (COMPARE_CONTAINMENT) - { - if (feature == EcorePackage.Literals.EMODEL_ELEMENT__EANNOTATIONS) - { - continue; - } - - if (feature == EcorePackage.Literals.ETYPED_ELEMENT__EGENERIC_TYPE) - { - continue; - } - - if (feature == EcorePackage.Literals.ECLASS__EGENERIC_SUPER_TYPES) - { - continue; - } - } - else - { - if (eReference != null && eReference.isContainment()) - { - continue; - } - } - - Object newValue = newElement.eGet(feature); - if (eReference != null) - { - if (eReference.isMany()) - { - @SuppressWarnings("unchecked") - EList<EObject> list = (EList<EObject>)newValue; - - // TODO As an optimization, defer list creation. - EList<EObject> newList = new BasicEList<EObject>(list.size()); - - for (EObject eObject : list) - { - if (eObject instanceof EModelElement) - { - EModelElement newListElement = (EModelElement)eObject; - EModelElement oldListElement = newToOldElements.get(newListElement); - if (oldListElement != null && oldListElement != newListElement) - { - eObject = oldListElement; - } - } - - newList.add(eObject); - } - - newValue = newList; - } - else - { - if (newValue instanceof EModelElement) - { - EModelElement oldValue = newToOldElements.get(newValue); - if (oldValue != null && oldValue != newValue) - { - newValue = oldValue; - } - } - } - } - - Object oldValue = oldElement.eGet(feature); - if (!ObjectUtil.equals(newValue, oldValue)) - { - if (DEBUG_COMPARE) - { - System.out.println("PROPERTY CHANGE " + getLabel(newElement) + " --> " + feature.getName()); - } - - PropertyChange propertyChange = EvolutionFactory.eINSTANCE.createPropertyChange(feature, oldValue, newValue); - ElementChange elementChange = result.getElementChanges().get(newElement); - elementChange.getChildren().add(0, propertyChange); - } - } - } - - private static void cleanupChanges(Change change) - { - for (Iterator<Change> it = change.getChildren().iterator(); it.hasNext();) - { - Change child = it.next(); - if (child instanceof ElementChange) - { - ElementChange elementChange = (ElementChange)child; - cleanupChanges(elementChange); - - if (elementChange.getKind() == ChangeKind.NONE && elementChange.getChildren().isEmpty()) - { - if (DEBUG_CLEANUP) - { - System.out.println("CLEANUP " + getLabel(elementChange.getElement())); - } - - it.remove(); - } - } - } - } - - private static Change getParentChange(ElementChange elementChange, ModelSetChange modelSetChange) - { - EModelElement element = elementChange.getElement(); - EObject eContainer = element.eContainer(); - if (eContainer instanceof EModelElement) - { - EModelElement parentElement = (EModelElement)eContainer; - ElementChange parentChange = modelSetChange.getElementChanges().get(parentElement); - if (parentChange != null) - { - return parentChange; - } - } - - return modelSetChange; - } - - private static ElementChange getElementChange(EModelElement newElement, EModelElement oldElement, ChangeKind kind, - Map<EModelElement, ElementChange> previousElementChanges) - { - if (previousElementChanges != null) - { - ElementChangeImpl elementChange = (ElementChangeImpl)previousElementChanges.remove(newElement); - if (elementChange == null) - { - elementChange = (ElementChangeImpl)previousElementChanges.remove(oldElement); - } - - if (elementChange != null) - { - // Make sure that the ElementChange can't be used later through any other lookup. - for (Iterator<Map.Entry<EModelElement, ElementChange>> it = previousElementChanges.entrySet().iterator(); it.hasNext();) - { - Map.Entry<EModelElement, ElementChange> entry = it.next(); - if (entry.getValue() == elementChange) - { - it.remove(); - } - } - - elementChange.setOldElement(oldElement); - elementChange.setNewElement(newElement); - elementChange.setKind(kind); - return elementChange; - } - } - - return EvolutionFactory.eINSTANCE.createElementChange(oldElement, newElement, kind); - } - - private static String getLabel(EModelElement element) - { - String label = ElementHandler.getLabel(element); - - if (DEBUG_IDS) - { - String id = IDAnnotation.getValue(element); - if (id != null) - { - label += "[" + id + "]"; - } - } - - return label; - } - - private static ModelSet[] createModelSetChain(ModelSet modelSetA, ModelSet modelSetB) - { - int versionA = modelSetA.getVersion(); - int versionB = modelSetB.getVersion(); - - EList<ModelSet> result = new BasicEList<ModelSet>(); - if (versionA < versionB) - { - result.add(modelSetA); - result.add(modelSetB); - } - else - { - result.add(modelSetB); - result.add(modelSetA); - } - - ModelSet first = result.get(0); - ModelSet second; - while ((second = result.get(1).getPreviousRelease()) != first) - { - if (second == null) - { - break; - } - - result.add(1, second); - } - - return result.toArray(new ModelSet[result.size()]); - } - -} // ModelSetImpl |