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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.ClassInfo;
import org.eclipse.emf.cdo.server.PackageInfo;
import org.eclipse.emf.cdo.server.PackageListener;
import org.eclipse.emf.cdo.server.PackageManager;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
public class PackageManagerImpl extends ServiceImpl implements PackageManager
{
protected Map<Integer, ClassInfo> cidToClassInfoMap = new HashMap<Integer, ClassInfo>(2111);
protected Map<String, ClassInfo> nameToClassInfoMap = new HashMap<String, ClassInfo>(2111);
protected Map<ClassInfo, List<ClassInfo>> subClassInfoMap;
protected Map<String, PackageInfo> packages = new HashMap<String, PackageInfo>();
protected List<PackageListener> listeners = new ArrayList<PackageListener>();
public PackageInfo getPackageInfo(String name)
{
return packages.get(name);
}
public PackageInfo addPackage(int pid, String name)
{
PackageInfo packageInfo = new PackageInfoImpl(pid, name, this);
packages.put(name, packageInfo);
notifyPackageListeners(); // TODO Not useful here because classes are not registered yet
return packageInfo;
}
public void addPackageListener(PackageListener listener)
{
listeners.add(listener);
}
public void removePackageListener(PackageListener listener)
{
listeners.remove(listener);
}
public void registerClassInfo(ClassInfo classInfo)
{
cidToClassInfoMap.put(new Integer(classInfo.getCID()), classInfo);
nameToClassInfoMap.put(classInfo.getName(), classInfo);
subClassInfoMap = null;
}
public ClassInfo getClassInfo(int cid)
{
return cidToClassInfoMap.get(new Integer(cid));
}
public ClassInfo getClassInfo(String name)
{
return nameToClassInfoMap.get(name);
}
public List<ClassInfo> getSubClassInfos(ClassInfo base)
{
if (subClassInfoMap == null)
{
subClassInfoMap = new HashMap<ClassInfo, List<ClassInfo>>();
Collection<ClassInfo> values = cidToClassInfoMap.values();
ClassInfo[] array = (ClassInfo[]) values.toArray(new ClassInfo[values.size()]);
for (int i = 0; i < array.length; i++)
{
ClassInfo parent = array[i];
List<ClassInfo> subClasses = new ArrayList<ClassInfo>();
for (int j = 0; j < array.length; j++)
{
ClassInfo derived = array[j];
if (parent.isParentOf(derived))
{
subClasses.add(derived);
}
}
subClassInfoMap.put(parent, subClasses);
}
}
return subClassInfoMap.get(base);
}
protected void notifyPackageListeners()
{
for (Iterator<PackageListener> iter = listeners.iterator(); iter.hasNext();)
{
PackageListener listener = iter.next();
listener.notifyAddedPackage();
}
}
}
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