diff options
Diffstat (limited to 'sandbox/UMLCompareMergerExample/org.eclipse.papyrus.uml.compare.merger/src/org/eclipse/papyrus/uml/compare/merger/internal/utils/TransactionalMergeService.java')
| -rw-r--r-- | sandbox/UMLCompareMergerExample/org.eclipse.papyrus.uml.compare.merger/src/org/eclipse/papyrus/uml/compare/merger/internal/utils/TransactionalMergeService.java | 311 |
1 files changed, 0 insertions, 311 deletions
diff --git a/sandbox/UMLCompareMergerExample/org.eclipse.papyrus.uml.compare.merger/src/org/eclipse/papyrus/uml/compare/merger/internal/utils/TransactionalMergeService.java b/sandbox/UMLCompareMergerExample/org.eclipse.papyrus.uml.compare.merger/src/org/eclipse/papyrus/uml/compare/merger/internal/utils/TransactionalMergeService.java deleted file mode 100644 index 3bbc589bd23..00000000000 --- a/sandbox/UMLCompareMergerExample/org.eclipse.papyrus.uml.compare.merger/src/org/eclipse/papyrus/uml/compare/merger/internal/utils/TransactionalMergeService.java +++ /dev/null @@ -1,311 +0,0 @@ -/*****************************************************************************
- * Copyright (c) 2012 CEA LIST.
- *
- *
- * 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
- * http://www.eclipse.org/legal/epl-v10.html
- *
- * Contributors:
- * Vincent Lorenzo (CEA LIST) Vincent.Lorenzo@cea.fr - Initial API and implementation
- *
- *****************************************************************************/
-package org.eclipse.papyrus.uml.compare.merger.internal.utils;
-
-import java.lang.reflect.Field;
-import java.lang.reflect.InvocationTargetException;
-import java.lang.reflect.Method;
-import java.util.ArrayList;
-import java.util.List;
-
-import org.eclipse.emf.common.command.Command;
-import org.eclipse.emf.common.command.CompoundCommand;
-import org.eclipse.emf.compare.diff.merge.IMergeListener;
-import org.eclipse.emf.compare.diff.merge.IMerger;
-import org.eclipse.emf.compare.diff.merge.service.MergeFactory;
-import org.eclipse.emf.compare.diff.merge.service.MergeService;
-import org.eclipse.emf.compare.diff.metamodel.ConflictingDiffElement;
-import org.eclipse.emf.compare.diff.metamodel.DiffElement;
-import org.eclipse.emf.transaction.TransactionalEditingDomain;
-import org.eclipse.osgi.util.NLS;
-import org.eclipse.papyrus.infra.tools.util.ReflectHelper;
-import org.eclipse.papyrus.uml.compare.merger.Activator;
-import org.eclipse.papyrus.uml.compare.merger.internal.commands.FireMergeDiffEndCommand;
-import org.eclipse.papyrus.uml.compare.merger.internal.commands.FireMergeDiffStartCommand;
-import org.eclipse.papyrus.uml.compare.merger.internal.commands.FireMergeOperationEndCommand;
-import org.eclipse.papyrus.uml.compare.merger.internal.commands.FireMergeOperationStartCommand;
-import org.eclipse.papyrus.uml.compare.merger.utils.ITransactionalMerger;
-
-/**
- *
- * This service should replace the EMF-Compare MergeService
- *
- */
-//TODO not used
-public class TransactionalMergeService {
-
- private static Method addMergeListenerMethod = null;
-
- private static Method removeMergeListenerMethod = null;
-
- // /** This copier will be used when merging references. */
- // private static EMFCompareEObjectCopier copier;
-
- /**
- * Default constructor.
- */
- private TransactionalMergeService() {
- // hides default constructor
- }
-
- /**
- * TODO this method should be covered with a JUnit test
- * Registers a new merge listener for notifications about merge operations. Has no effect if the listener
- * is already registered.
- *
- * @param listener
- * New Listener to register for notifications.
- */
- public static void addMergeListener(final IMergeListener listener) {
- if(addMergeListenerMethod == null) {
- Class<?>[] parameterTypes = new Class[1];
- parameterTypes[0] = IMergeListener.class;
- try {
- addMergeListenerMethod = ReflectHelper.getMethod(MergeService.class, "addMergeListener", parameterTypes); //$NON-NLS-1$
- } catch (SecurityException e) {
- Activator.log.error(e);
- } catch (NoSuchMethodException e) {
- Activator.log.error(e);
- }
- }
- final Object[] parameters = new Object[1];
- parameters[0] = listener;
- try {
- addMergeListenerMethod.invoke(null, parameters);
- } catch (IllegalArgumentException e) {
- Activator.log.error(e);
- } catch (IllegalAccessException e) {
- Activator.log.error(e);
- } catch (InvocationTargetException e) {
- Activator.log.error(e);
- }
- }
-
-
- // /**
- // * Returns the copier given the diff it should merge.
- // *
- // * @param diff
- // * The DiffElement for which a copier is needed.
- // * @return The copier for a given diff.
- // */
- // public static EMFCompareEObjectCopier getCopier(final DiffElement diff) {
- // final DiffModel diffModel = getContainerDiffModel(diff);
- // if (diffModel == null)
- // throw new IllegalArgumentException("The diff element should be contained in a DiffModel instance"); //$NON-NLS-1$
- // if (diffModel.eContainer() instanceof DiffResourceSet) {
- // if (copier == null) {
- // copier = new EMFCompareEObjectCopier((DiffResourceSet)diffModel.eContainer());
- // } else if (copier.getDiffResourceSet() != diffModel.eContainer()) {
- // copier.clear();
- // copier = new EMFCompareEObjectCopier((DiffResourceSet)diffModel.eContainer());
- // }
- // } else {
- // if (copier == null) {
- // copier = new EMFCompareEObjectCopier(diffModel);
- // } else if (copier.getDiffModel() != diffModel) {
- // copier.clear();
- // copier = new EMFCompareEObjectCopier(diffModel);
- // }
- // }
- // return copier;
- // }
-
- // /**
- // * Browse the diff model from the leaf to the top to find the containing {@link DiffModel} instance.
- // *
- // * @param diff
- // * any {@link DiffElement}.
- // * @return the containing {@link DiffModel} instance, null if not found.
- // */
- // private static DiffModel getContainerDiffModel(final DiffElement diff) {
- // EObject container = diff.eContainer();
- // while (container != null) {
- // if (container instanceof DiffModel)
- // return (DiffModel)container;
- // container = container.eContainer();
- // }
- // return null;
- // }
-
- /**
- * Merges a single DiffElement in the direction specified by <code>leftToRight</code>.
- * <p>
- * Will notify the list of its merge listeners before, and after the operation.
- * </p>
- *
- * @param element
- * {@link DiffElement} containing the information to merge.
- * @param leftToRight
- * <code>True</code> if the changes must be applied from the left to the right model, <code>False</code> when they have to be applied the
- * other way around.
- */
- // public static void merge(final DiffElement element, final boolean leftToRight) {
- // fireMergeOperationStart(element);
- // doMerge(element, leftToRight);
- // fireMergeOperationEnd(element);
- // }
-
- public static Command getMergeCommand(final TransactionalEditingDomain domain, final DiffElement element, final boolean leftToRight) {
- CompoundCommand cmd = new CompoundCommand("MergeCommand"); //$NON-NLS-1$
- cmd.append(new FireMergeOperationStartCommand(element, getMergeListeners()));
- cmd.append(getDoMergeCommand(domain, element, leftToRight));
- cmd.append(new FireMergeOperationEndCommand(element, getMergeListeners()));
- return cmd;
- }
-
- /**
- * Applies the changes implied by a given {@link DiffElement} in the direction specified by <code>leftToRight</code>.
- * <p>
- * Will notify the list of its merge listeners before, and after the merge.
- * </p>
- *
- * @param element
- * {@link DiffElement} containing the information to merge.
- * @param leftToRight
- * <code>True</code> if the changes must be applied from the left to the right model, <code>False</code> when they have to be applied the
- * other way around.
- */
- // protected static void doMerge(final DiffElement element, final boolean leftToRight) {
- // fireMergeDiffStart(element);
- // final IMerger merger;
- // if(element instanceof ConflictingDiffElement)
- // merger = MergeFactory.createMerger(element.getSubDiffElements().get(0));
- // else
- // merger = MergeFactory.createMerger(element);
- // if(leftToRight && merger.canUndoInTarget()) {
- // merger.undoInTarget();
- // } else if(!leftToRight && merger.canApplyInOrigin()) {
- // merger.applyInOrigin();
- // }
- // fireMergeDiffEnd(element);
- // }
-
- private static Command getDoMergeCommand(final TransactionalEditingDomain domain, final DiffElement element, final boolean leftToRight) {
- final CompoundCommand cmd = new CompoundCommand("DoMergeCommand"); //$NON-NLS-1$
- cmd.append(new FireMergeDiffStartCommand(element, getMergeListeners()));
- final IMerger merger;
- if(element instanceof ConflictingDiffElement) {
- merger = MergeFactory.createMerger(element.getSubDiffElements().get(0));
- } else {
- merger = MergeFactory.createMerger(element);
- }
- if(merger instanceof ITransactionalMerger) {
- if(leftToRight && merger.canUndoInTarget()) {
- cmd.append(((ITransactionalMerger)merger).getUndoInTargetCommand(domain));
- } else if(!leftToRight && merger.canApplyInOrigin()) {
- cmd.append(((ITransactionalMerger)merger).getApplyInOriginCommand(domain));
- }
- } else {
- throw new UnsupportedOperationException(NLS.bind("I can't found the Papyrus Merger for {0}.", element)); //$NON-NLS-1$
- }
-
- cmd.append(new FireMergeDiffEndCommand(element, getMergeListeners()));
- return cmd;
- }
-
-
- // /**
- // * Merges a list of DiffElements in the direction specified by <code>leftToRight</code>.
- // * <p>
- // * Will notify the list of its merge listeners before, and after the operation.
- // * </p>
- // *
- // * @param elements
- // * {@link DiffElement}s containing the information to merge.
- // * @param leftToRight
- // * <code>True</code> if the changes must be applied from the left to the right model, <code>False</code> when they have to be applied the
- // * other way around.
- // */
- // public static void merge(final List<DiffElement> elements, final boolean leftToRight) {
- // fireMergeOperationStart(elements);
- // for(DiffElement element : new ArrayList<DiffElement>(elements))
- // // we might remove the diff from the list before merging it
- // // (eOpposite reference)
- // if(element.eContainer() != null)
- // doMerge(element, leftToRight);
- // fireMergeOperationEnd(elements);
- // }
-
- public static Command getMergeCommand(final TransactionalEditingDomain domain, final List<DiffElement> elements, final boolean leftToRight) {
- final CompoundCommand cmd = new CompoundCommand("MergeCommand"); //$NON-NLS-1$
- cmd.append(new FireMergeOperationStartCommand(elements, getMergeListeners()));
- for(DiffElement element : new ArrayList<DiffElement>(elements)) {
- // we might remove the diff from the list before merging it
- // (eOpposite reference)
- if(element.eContainer() != null) {
- cmd.append(getDoMergeCommand(domain, element, leftToRight));
- }
- }
- cmd.append(new FireMergeOperationEndCommand(elements, getMergeListeners()));
- return cmd;
- }
-
- /**
- * removes a merge listener from the list of registered listeners. This will have no effect if the given
- * listener is not registered for notifications on this service.
- *
- * @param listener
- * New Listener to register for notifications.
- */
- public static void removeMergeListener(final IMergeListener listener) {
- if(removeMergeListenerMethod == null) {
- Class<?>[] parameterTypes = new Class[1];
- parameterTypes[0] = IMergeListener.class;
- try {
- removeMergeListenerMethod = ReflectHelper.getMethod(MergeService.class, "removeMergeListener", parameterTypes); //$NON-NLS-1$
- } catch (SecurityException e) {
- Activator.log.error(e);
- } catch (NoSuchMethodException e) {
- Activator.log.error(e);
- }
- }
- final Object[] parameters = new Object[1];
- parameters[0] = listener;
- try {
- removeMergeListenerMethod.invoke(null, parameters);
- } catch (IllegalArgumentException e) {
- Activator.log.error(e);
- } catch (IllegalAccessException e) {
- Activator.log.error(e);
- } catch (InvocationTargetException e) {
- Activator.log.error(e);
- }
- }
-
-
- @SuppressWarnings("unchecked")
- //we suppress this warning because the field is always a List of IMergeListener
- private static List<IMergeListener> getMergeListeners() {
- List<IMergeListener> listeners = null;
- Field myField = null;
- try {
- myField = MergeService.class.getDeclaredField("MERGE_LISTENERS"); //$NON-NLS-1$
- } catch (SecurityException e) {
- Activator.log.error(e);
- } catch (NoSuchFieldException e) {
- Activator.log.error(e);
- }
- myField.setAccessible(true);
- try {
- listeners = (List<IMergeListener>)myField.get(null);
- } catch (IllegalArgumentException e) {
- Activator.log.error(e);
- } catch (IllegalAccessException e) {
- Activator.log.error(e);
- }
- return listeners;
- }
-
-}
|