/*
* Copyright (C) 2009 eXo Platform SAS.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.exoplatform.services.jcr.impl.dataflow.session;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.WeakHashMap;
import org.exoplatform.services.jcr.datamodel.QPath;
import org.exoplatform.services.jcr.impl.core.ItemImpl;
import org.exoplatform.services.jcr.impl.core.NodeImpl;
import org.exoplatform.services.jcr.impl.core.PropertyImpl;
/**
* Created by The eXo Platform SAS.
*
* @author <a href="mailto:geaz@users.sourceforge.net">Gennady Azarenkov</a>
* @version $Id: SessionItemPool.java 11907 2008-03-13 15:36:21Z ksm $
*/
final class SessionItemPool
{
private WeakHashMap<String, ItemImpl> items;
SessionItemPool()
{
items = new WeakHashMap<String, ItemImpl>();
}
void remove(String identifier)
{
items.remove(identifier);
System.gc();
}
void put(ItemImpl item)
{
if (!items.containsKey(item.getInternalIdentifier()))
items.put(item.getInternalIdentifier(), item);
}
ItemImpl get(String identifier)
{
return items.get(identifier);
}
ItemImpl get(QPath path)
{
for (Iterator<ItemImpl> i = items.values().iterator(); i.hasNext();)
{
ItemImpl item = i.next();
if (item.getInternalPath().equals(path))
return item;
}
return null;
}
List<NodeImpl> getChildNodes(String parentIdentifier)
{
List<NodeImpl> children = new ArrayList<NodeImpl>();
for (Iterator<ItemImpl> i = items.values().iterator(); i.hasNext();)
{
ItemImpl item = i.next();
if (item.getParentIdentifier().equals(parentIdentifier) && item.isNode())
children.add((NodeImpl) item);
}
return children;
}
List<PropertyImpl> getChildProperties(String parentIdentifier)
{
List<PropertyImpl> children = new ArrayList<PropertyImpl>();
for (Iterator<ItemImpl> i = items.values().iterator(); i.hasNext();)
{
ItemImpl item = i.next();
if (item.getParentIdentifier().equals(parentIdentifier) && item.isNode())
children.add((PropertyImpl) item);
}
return children;
}
}