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/***************************************************************************
* Copyright (c) 2004, 2005, 2006 Eike Stepper, Germany.
* 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.cdo.server.impl;
import org.eclipse.net4j.spring.impl.ServiceImpl;
import org.eclipse.emf.cdo.server.Mapper;
import org.eclipse.emf.cdo.server.ResourceInfo;
import org.eclipse.emf.cdo.server.ResourceManager;
import java.util.HashMap;
import java.util.Map;
public class ResourceManagerImpl extends ServiceImpl implements ResourceManager
{
private Map<Integer, ResourceInfo> ridToResourceMap = new HashMap<Integer, ResourceInfo>();
private Map<String, ResourceInfo> pathToResourceMap = new HashMap<String, ResourceInfo>();
public void registerResourceInfo(ResourceInfo resourceInfo)
{
if (isDebugEnabled()) debug("Registering " + resourceInfo);
ridToResourceMap.put(resourceInfo.getRID(), resourceInfo);
pathToResourceMap.put(resourceInfo.getPath(), resourceInfo);
}
public ResourceInfo registerResourceInfo(String resourcePath, int rid, long nextOIDFragment)
{
ResourceInfo resourceInfo = new ResourceInfoImpl(resourcePath, rid, nextOIDFragment);
registerResourceInfo(resourceInfo);
return resourceInfo;
}
public ResourceInfo getResourceInfo(String path, Mapper mapper)
{
ResourceInfo resourceInfo = pathToResourceMap.get(path);
if (resourceInfo == null)
{
resourceInfo = mapper.selectResourceInfo(path);
if (resourceInfo == null)
{
return null;
}
registerResourceInfo(resourceInfo);
}
return resourceInfo;
}
public ResourceInfo getResourceInfo(int rid, Mapper mapper)
{
ResourceInfo resourceInfo = ridToResourceMap.get(new Integer(rid));
if (resourceInfo == null)
{
resourceInfo = mapper.selectResourceInfo(rid);
if (resourceInfo == null)
{
return null;
}
registerResourceInfo(resourceInfo);
}
return resourceInfo;
}
@Override
protected void deactivate() throws Exception
{
pathToResourceMap = null;
ridToResourceMap = null;
super.deactivate();
}
}
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