/*
* This program is free software; you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
* Foundation.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
* or from the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* This program 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.
*
* Copyright (c) 2001 - 2009 Object Refinery Ltd, Pentaho Corporation and Contributors.. All rights reserved.
*/
package org.pentaho.reporting.engine.classic.core.states;
import java.io.Serializable;
import java.util.HashMap;
import org.pentaho.reporting.engine.classic.core.DataFactory;
import org.pentaho.reporting.engine.classic.core.cache.CachingDataFactory;
import org.pentaho.reporting.engine.classic.core.ReportProcessingException;
public class DataFactoryManager implements Serializable
{
private HashMap storage;
public DataFactoryManager()
{
storage = new HashMap();
}
/**
* Stores expressions at the end of a run.
*
* @param key
* @param expressions
*/
public void store(final FunctionStorageKey key,
final CachingDataFactory expressions)
throws ReportProcessingException
{
if (key == null)
{
throw new NullPointerException();
}
if (expressions == null)
{
throw new NullPointerException();
}
storage.put(key, expressions);
}
public CachingDataFactory restore(final FunctionStorageKey key)
throws ReportProcessingException
{
if (key == null)
{
throw new NullPointerException();
}
final CachingDataFactory expressions = (CachingDataFactory) storage.get(key);
if (expressions == null)
{
return null;
}
return expressions;
}
public void close()
{
final DataFactory[] objects = (DataFactory[]) storage.values().toArray(new DataFactory[storage.size()]);
for (int i = 0; i < objects.length; i++)
{
final DataFactory object = objects[i];
object.close();
}
}
}