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/*******************************************************************************
* Copyright (c) 2013 Atos
* 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:
* Arthur Daussy - initial implementation
* Philippe Roland (Atos) philippe.roland@atos.net - added workaround for eclipse bug 385394
*******************************************************************************/
package org.eclipse.papyrus.team.collaborative.svn;
import java.util.HashSet;
import java.util.Set;
import java.util.WeakHashMap;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.emf.ecore.resource.ResourceSet;
import org.eclipse.papyrus.team.collaborative.core.ICollabFactory;
import org.eclipse.papyrus.team.collaborative.core.IExtendedURI;
import org.eclipse.papyrus.team.collaborative.core.participants.locker.ILocker;
import org.eclipse.papyrus.team.collaborative.core.participants.locker.IUnlocker;
import org.eclipse.papyrus.team.collaborative.core.participants.version.ICommitter;
import org.eclipse.papyrus.team.collaborative.core.participants.version.IReverter;
import org.eclipse.papyrus.team.collaborative.core.participants.version.IUpdater;
import org.eclipse.papyrus.team.collaborative.core.utils.CollabFunctionsFactory;
import org.eclipse.papyrus.team.collaborative.svn.locker.SVNLocker;
import org.eclipse.papyrus.team.collaborative.svn.locker.SVNUnlocker;
import org.eclipse.papyrus.team.collaborative.svn.versioncontroller.SVNCommitter;
import org.eclipse.papyrus.team.collaborative.svn.versioncontroller.SVNReverter;
import org.eclipse.papyrus.team.collaborative.svn.versioncontroller.SVNUpdater;
import com.google.common.collect.Collections2;
/**
* Factory to build element to do collaborative work with SVN.
*
* @author adaussy
*/
public class SVNCollabFactory implements ICollabFactory {
/** The Constant SVN_COLLAB_ID. */
public static final String SVN_COLLAB_ID = "org.eclipse.papyrus.team.collaborative.core.connector.svn";
/**
* Resource set svn status cache
*/
private WeakHashMap<ResourceSet, Boolean> alreadyOnSvnCache = new WeakHashMap<ResourceSet, Boolean>();
/**
* Instantiates a new sVN collab factory.
*/
public SVNCollabFactory() {
}
/*
* (non-Javadoc)
*
* @see org.eclipse.papyrus.team.collaborative.core.ICollabFactory#provide(java.util.Set, org.eclipse.emf.ecore.resource.ResourceSet)
*/
@Override
public boolean provide(Set<IExtendedURI> uris, ResourceSet resourceSet) {
/**
* Workaround for eclipse bug 385394. This bug causes property testers to be called very frequently
* even if no activity is taking place, causing important slowdowns when a right-click on a model explorer element is performed.
* a cache prevents these calls (and the subsequent calls to FileUtility.alreadyOnSVN) from being too taxing on system resources.
*
* This bug was fixed on 16/01/2014 but its fix has not yet been released outside of integration builds. Remove this workaround when it is.
*/
if (alreadyOnSvnCache.containsKey(resourceSet)) {
return alreadyOnSvnCache.get(resourceSet);
}
boolean result;
Set<IProject> projects = new HashSet<IProject>();
for (IResource iResource : Collections2.transform(uris, CollabFunctionsFactory.getExtendedURIToIResource(resourceSet))) {
if (iResource != null) {
projects.add(iResource.getProject());
}
}
if (projects.isEmpty()) {
result = false;
alreadyOnSvnCache.put(resourceSet, result);
return result;
}
for (IProject iProject : projects) {
if (!FileUtility.alreadyOnSVN(iProject)) {
result = false;
alreadyOnSvnCache.put(resourceSet, result);
return result;
}
}
result = true;
alreadyOnSvnCache.put(resourceSet, result);
return result;
}
/*
* (non-Javadoc)
*
* @see org.eclipse.papyrus.team.collaborative.core.ICollabFactory#createLocker(java.util.Set, org.eclipse.emf.ecore.resource.ResourceSet)
*/
@Override
public ILocker createLocker(Set<IExtendedURI> uris, ResourceSet resourceSet) {
return new SVNLocker(uris, resourceSet);
}
/*
* (non-Javadoc)
*
* @see org.eclipse.papyrus.team.collaborative.core.ICollabFactory#createUnlocker(java.util.Set, org.eclipse.emf.ecore.resource.ResourceSet)
*/
@Override
public IUnlocker createUnlocker(Set<IExtendedURI> uris, ResourceSet resourceSet) {
return new SVNUnlocker(uris, resourceSet);
}
/*
* (non-Javadoc)
*
* @see org.eclipse.papyrus.team.collaborative.core.ICollabFactory#createReverter(java.util.Set, org.eclipse.emf.ecore.resource.ResourceSet)
*/
@Override
public IReverter createReverter(Set<IExtendedURI> uris, ResourceSet resourceSet) {
return new SVNReverter(uris, resourceSet);
}
/*
* (non-Javadoc)
*
* @see org.eclipse.papyrus.team.collaborative.core.ICollabFactory#createCommitter(java.util.Set, org.eclipse.emf.ecore.resource.ResourceSet)
*/
@Override
public ICommitter createCommitter(Set<IExtendedURI> uris, ResourceSet resourceSet) {
return new SVNCommitter(uris, resourceSet);
}
/*
* (non-Javadoc)
*
* @see org.eclipse.papyrus.team.collaborative.core.ICollabFactory#createUpdater(java.util.Set, org.eclipse.emf.ecore.resource.ResourceSet)
*/
@Override
public IUpdater createUpdater(Set<IExtendedURI> uris, ResourceSet resourceSet) {
return new SVNUpdater(uris, resourceSet);
}
}
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