| /******************************************************************************* |
| * Copyright (c) 2012, 2015 Obeo. |
| * 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: |
| * Obeo - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.emf.compare.internal.spec; |
| |
| import org.eclipse.emf.common.notify.Notification; |
| import org.eclipse.emf.common.util.BasicMonitor; |
| import org.eclipse.emf.common.util.EList; |
| import org.eclipse.emf.compare.ComparePackage; |
| import org.eclipse.emf.compare.Diff; |
| import org.eclipse.emf.compare.DifferenceState; |
| import org.eclipse.emf.compare.Match; |
| import org.eclipse.emf.compare.impl.AttributeChangeImpl; |
| import org.eclipse.emf.compare.merge.IMerger; |
| import org.eclipse.emf.compare.utils.Objects; |
| import org.eclipse.emf.ecore.EDataType; |
| import org.eclipse.emf.ecore.impl.ENotificationImpl; |
| import org.eclipse.emf.ecore.util.EcoreUtil; |
| |
| /** |
| * This specialization of the {@link AttributeChangeImpl} class allows us to define the derived features and |
| * operations implementations. |
| * |
| * @author <a href="mailto:laurent.goubet@obeo.fr">Laurent Goubet</a> |
| */ |
| public class AttributeChangeSpec extends AttributeChangeImpl { |
| /** |
| * {@inheritDoc} |
| * |
| * @see org.eclipse.emf.compare.impl.DiffImpl#copyLeftToRight() |
| * @deprecated Use |
| * {@link org.eclipse.emf.compare.merge.IMerger#copyLeftToRight(org.eclipse.emf.compare.Diff, org.eclipse.emf.common.util.Monitor)} |
| * instead. See javadoc of IMerger.Registry for usage instructions. |
| */ |
| @Deprecated |
| @Override |
| public void copyLeftToRight() { |
| /* |
| * This is not extensible : we create a registry for each call and use the default mergers. This |
| * implementation is merely a placeholder to avoid API breakage. Please refer to IMerger.Registry for |
| * merging instructions. |
| */ |
| final IMerger merger = IMerger.RegistryImpl.createStandaloneInstance().getHighestRankingMerger(this); |
| merger.copyLeftToRight(this, new BasicMonitor()); |
| } |
| |
| /** |
| * {@inheritDoc} |
| * |
| * @see org.eclipse.emf.compare.impl.DiffImpl#copyRightToLeft() |
| * @deprecated Use |
| * {@link org.eclipse.emf.compare.merge.IMerger#copyRightToLeft(org.eclipse.emf.compare.Diff, org.eclipse.emf.common.util.Monitor)} |
| * instead. See javadoc of IMerger.Registry for usage instructions. |
| */ |
| @Deprecated |
| @Override |
| public void copyRightToLeft() { |
| /* |
| * This is not extensible : we create a registry for each call and use the default mergers. This |
| * implementation is merely a placeholder to avoid API breakage. Please refer to IMerger.Registry for |
| * merging instructions. |
| */ |
| final IMerger merger = IMerger.RegistryImpl.createStandaloneInstance().getHighestRankingMerger(this); |
| merger.copyRightToLeft(this, new BasicMonitor()); |
| } |
| |
| /** |
| * {@inheritDoc} |
| * |
| * @see org.eclipse.emf.compare.impl.DiffImpl#discard() |
| */ |
| @Override |
| public void discard() { |
| setState(DifferenceState.DISCARDED); |
| // Should we also discard equivalent diffs? And diffs that require this one? |
| } |
| |
| /** |
| * {@inheritDoc} |
| * |
| * @see org.eclipse.emf.compare.impl.AttributeChangeImpl#toString() |
| */ |
| @SuppressWarnings("nls") |
| @Override |
| public String toString() { |
| EDataType eAttributeType = getAttribute().getEAttributeType(); |
| final String valueString; |
| if (eAttributeType.isSerializable()) { |
| valueString = EcoreUtil.convertToString(eAttributeType, getValue()); |
| } else { |
| valueString = getValue().toString(); |
| } |
| |
| return Objects.toStringHelper(this) |
| .add("attribute", |
| getAttribute().getEContainingClass().getName() + "." + getAttribute().getName()) |
| .add("value", valueString).add("kind", getKind()).add("source", getSource()) |
| .add("state", getState()).toString(); |
| } |
| |
| /** |
| * {@inheritDoc} |
| * |
| * @see org.eclipse.emf.compare.impl.DiffImpl#basicGetMatch() |
| */ |
| @Override |
| public Match basicGetMatch() { |
| if (eContainer() instanceof Match) { |
| return (Match)eContainer(); |
| } |
| return null; |
| } |
| |
| /** |
| * {@inheritDoc} |
| * |
| * @see org.eclipse.emf.compare.impl.DiffImpl#setMatch(org.eclipse.emf.compare.Match) |
| */ |
| @Override |
| public void setMatch(Match newMatch) { |
| Match oldMatch = basicGetMatch(); |
| if (newMatch != null) { |
| EList<Diff> differences = newMatch.getDifferences(); |
| differences.add(this); |
| eNotify(new ENotificationImpl(this, Notification.SET, ComparePackage.DIFF__MATCH, oldMatch, |
| newMatch)); |
| } else if (eContainer() instanceof Match) { |
| EList<Diff> differences = ((Match)eContainer()).getDifferences(); |
| differences.remove(this); |
| eNotify(new ENotificationImpl(this, Notification.UNSET, ComparePackage.DIFF__MATCH, oldMatch, |
| newMatch)); |
| |
| } |
| } |
| } |