/******************************************************************************* | |
* Copyright (c) 2011 Eike Stepper (Berlin, Germany) and others. | |
* | |
* 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: | |
* Eike Stepper - initial API and implementation | |
*******************************************************************************/ | |
package org.eclipse.emf.ecp.cdo.internal.core; | |
import org.eclipse.emf.cdo.eresource.CDOResource; | |
import org.eclipse.emf.cdo.transaction.CDOTransaction; | |
import org.eclipse.emf.cdo.workspace.CDOWorkspace; | |
import org.eclipse.emf.cdo.workspace.CDOWorkspaceConfiguration; | |
import org.eclipse.emf.ecore.resource.ResourceSet; | |
import org.eclipse.emf.ecp.core.util.ECPUtil; | |
import org.eclipse.emf.ecp.spi.core.InternalProject; | |
/** | |
* Represents the data of an ECP project. | |
* | |
* @author Eike Stepper | |
*/ | |
public final class CDOProjectData { | |
private final InternalProject project; | |
private CDOWorkspace workspace; | |
private CDOTransaction transaction; | |
private CDOResource rootResource; | |
/** | |
* Default constructor. | |
* | |
* @param project the project | |
*/ | |
public CDOProjectData(InternalProject project) { | |
this.project = project; | |
} | |
/** | |
* Returns the project. | |
* | |
* @return the project | |
*/ | |
public InternalProject getProject() { | |
return project; | |
} | |
/** | |
* Returns the {@link CDOWorkspace} of the project. | |
* | |
* @return the {@link CDOWorkspace} | |
*/ | |
public synchronized CDOWorkspace getWorkspace() { | |
if (workspace == null) { | |
final CDOWorkspaceConfiguration config = createWorkspaceConfiguration(); | |
workspace = config.open(); | |
} | |
return workspace; | |
} | |
/** | |
* Check out the {@link CDOWorkspace} of the project. | |
* | |
* @return the {@link CDOWorkspace} | |
*/ | |
public synchronized CDOWorkspace checkoutWorkspace() { | |
final CDOWorkspaceConfiguration config = createWorkspaceConfiguration(); | |
workspace = config.checkout(); | |
return workspace; | |
} | |
/** | |
* Get the a transaction fot the project. | |
* | |
* @return the {@link CDOTransaction} | |
*/ | |
public synchronized CDOTransaction getTransaction() { | |
if (transaction == null) { | |
final ResourceSet resourceSet = project.getEditingDomain().getResourceSet(); | |
transaction = getWorkspace().openTransaction(resourceSet); | |
} | |
return transaction; | |
} | |
/** | |
* Get the root resource of the {@link CDOTransaction}, @see {@link CDOTransaction#getRootResource()}. | |
* | |
* @return the {@link CDOResource} | |
*/ | |
public synchronized CDOResource getRootResource() { | |
if (rootResource == null) { | |
rootResource = getTransaction().getRootResource(); | |
} | |
return rootResource; | |
} | |
/** | |
* Dispose all resources of the project data. | |
*/ | |
public void dispose() { | |
if (rootResource != null) { | |
rootResource = null; | |
} | |
if (transaction != null) { | |
transaction.close(); | |
transaction = null; | |
} | |
if (workspace != null) { | |
workspace.close(); | |
workspace = null; | |
} | |
} | |
private CDOWorkspaceConfiguration createWorkspaceConfiguration() { | |
final CDOProvider provider = (CDOProvider) ECPUtil.getResolvedElement(project.getProvider()); | |
return provider.createWorkspaceConfiguration(project); | |
} | |
} |