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/*******************************************************************************
* Copyright (c) 2000, 2004 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Common Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/cpl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.team.internal.ccvs.ui.operations;
import java.util.*;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.*;
import org.eclipse.core.runtime.jobs.ISchedulingRule;
import org.eclipse.jface.action.IAction;
import org.eclipse.team.core.RepositoryProvider;
import org.eclipse.team.core.TeamException;
import org.eclipse.team.internal.ccvs.core.*;
import org.eclipse.team.internal.ccvs.core.client.Session;
import org.eclipse.team.internal.ccvs.core.resources.CVSWorkspaceRoot;
import org.eclipse.team.internal.ccvs.ui.CVSUIPlugin;
import org.eclipse.team.internal.ccvs.ui.Policy;
import org.eclipse.ui.IWorkbenchPart;
/**
* Performs a cvs operation on multiple repository providers
*/
public abstract class RepositoryProviderOperation extends CVSOperation {
private IResource[] resources;
public RepositoryProviderOperation(IWorkbenchPart part, IResource[] resources) {
super(part);
this.resources = resources;
}
/* (non-Javadoc)
* @see org.eclipse.team.internal.ccvs.ui.operations.CVSOperation#execute(org.eclipse.core.runtime.IProgressMonitor)
*/
public void execute(IProgressMonitor monitor) throws CVSException, InterruptedException {
Map table = getProviderMapping(getResources());
Set keySet = table.keySet();
monitor.beginTask(null, keySet.size() * 1000);
Iterator iterator = keySet.iterator();
while (iterator.hasNext()) {
IProgressMonitor subMonitor = new SubProgressMonitor(monitor, 1000);
CVSTeamProvider provider = (CVSTeamProvider)iterator.next();
List list = (List)table.get(provider);
IResource[] providerResources = (IResource[])list.toArray(new IResource[list.size()]);
ISchedulingRule rule = getSchedulingRule(provider);
try {
Platform.getJobManager().beginRule(rule, monitor);
monitor.setTaskName(getTaskName(provider));
execute(provider, providerResources, subMonitor);
} finally {
Platform.getJobManager().endRule(rule);
}
}
}
/**
* Return the taskname to be shown in the progress monitor while operating
* on the given provider.
* @param provider the provider being processed
* @return the taskname to be shown in the progress monitor
*/
protected abstract String getTaskName(CVSTeamProvider provider);
/**
* Retgurn the scheduling rule to be obtained before work
* begins on the given provider. By default, it is the provider's project.
* This can be changed by subclasses.
* @param provider
* @return
*/
protected ISchedulingRule getSchedulingRule(CVSTeamProvider provider) {
return provider.getProject();
}
/*
* Helper method. Return a Map mapping provider to a list of resources
* shared with that provider.
*/
private Map getProviderMapping(IResource[] resources) {
Map result = new HashMap();
for (int i = 0; i < resources.length; i++) {
RepositoryProvider provider = RepositoryProvider.getProvider(resources[i].getProject(), CVSProviderPlugin.getTypeId());
List list = (List)result.get(provider);
if (list == null) {
list = new ArrayList();
result.put(provider, list);
}
list.add(resources[i]);
}
return result;
}
/**
* Return the resources that the operation is being performed on
* @return
*/
protected IResource[] getResources() {
return resources;
}
/**
* Set the resources that the operation is to be performed on
* @param resources
*/
protected void setResources(IResource[] resources) {
this.resources = resources;
}
/**
* Execute the operation on the resources for the given provider.
* @param provider
* @param providerResources
* @param subMonitor
* @throws CVSException
* @throws InterruptedException
*/
protected abstract void execute(CVSTeamProvider provider, IResource[] resources, IProgressMonitor monitor) throws CVSException, InterruptedException;
protected ICVSResource[] getCVSArguments(IResource[] resources) {
ICVSResource[] cvsResources = new ICVSResource[resources.length];
for (int i = 0; i < cvsResources.length; i++) {
cvsResources[i] = CVSWorkspaceRoot.getCVSResourceFor(resources[i]);
}
return cvsResources;
}
/*
* Get the arguments to be passed to a commit or update
*/
protected String[] getStringArguments(IResource[] resources) throws CVSException {
List arguments = new ArrayList(resources.length);
for (int i=0;i<resources.length;i++) {
IPath cvsPath = resources[i].getFullPath().removeFirstSegments(1);
if (cvsPath.segmentCount() == 0) {
arguments.add(Session.CURRENT_LOCAL_FOLDER);
} else {
arguments.add(cvsPath.toString());
}
}
return (String[])arguments.toArray(new String[arguments.size()]);
}
public ICVSResource[] getCVSResources() {
ICVSResource[] cvsResources = new ICVSResource[resources.length];
for (int i = 0; i < resources.length; i++) {
cvsResources[i] = CVSWorkspaceRoot.getCVSResourceFor(resources[i]);
}
return cvsResources;
}
protected ICVSRepositoryLocation getRemoteLocation(CVSTeamProvider provider) throws CVSException {
CVSWorkspaceRoot workspaceRoot = provider.getCVSWorkspaceRoot();
return workspaceRoot.getRemoteLocation();
}
protected ICVSFolder getLocalRoot(CVSTeamProvider provider) throws CVSException {
CVSWorkspaceRoot workspaceRoot = provider.getCVSWorkspaceRoot();
return workspaceRoot.getLocalRoot();
}
/**
* Update the workspace subscriber for an update operation performed on the
* given resources. After an update, the remote tree is flushed in order
* to ensure that stale incoming additions are removed. This need only
* be done for folders. At the time of writting, all update operations
* are deep so the flush is deep as well.
* @param provider the provider (projedct) for all the given resources
* @param resources the resources that were updated
* @param monitor a progress monitor
*/
protected void updateWorkspaceSubscriber(CVSTeamProvider provider, ICVSResource[] resources, IProgressMonitor monitor) {
CVSWorkspaceSubscriber s = CVSProviderPlugin.getPlugin().getCVSWorkspaceSubscriber();
monitor.beginTask(null, 100 * resources.length);
for (int i = 0; i < resources.length; i++) {
ICVSResource resource = resources[i];
if (resource.isFolder()) {
try {
s.updateRemote(provider, (ICVSFolder)resource, Policy.subMonitorFor(monitor, 100));
} catch (TeamException e) {
// Just log the error and continue
CVSUIPlugin.log(e);
}
} else {
monitor.worked(100);
}
}
}
/* (non-Javadoc)
* @see org.eclipse.team.ui.TeamOperation#isKeepOneProgressServiceEntry()
*/
public boolean isKeepOneProgressServiceEntry() {
// Keep the last repository provider operation in the progress service
return true;
}
/* (non-Javadoc)
* @see org.eclipse.team.ui.TeamOperation#getGotoAction()
*/
protected IAction getGotoAction() {
return getShowConsoleAction();
}
}
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