/*
* $Id: SimpleMemoryObjectStore.java 21762 2011-05-03 01:29:28Z mike.schilling $
* --------------------------------------------------------------------------------------
* Copyright (c) MuleSoft, Inc. All rights reserved. http://www.mulesoft.com
*
* The software in this package is published under the terms of the CPAL v1.0
* license, a copy of which has been included with this distribution in the
* LICENSE.txt file.
*/
package org.mule.util.store;
import org.mule.api.store.ListableObjectStore;
import org.mule.api.store.ObjectStoreException;
import org.mule.config.i18n.CoreMessages;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
public class SimpleMemoryObjectStore<T extends Serializable> extends AbstractObjectStore<T> implements ListableObjectStore<T>
{
private Map<Serializable, T> map = Collections.synchronizedMap(new HashMap<Serializable, T>());
/**
* {@inheritDoc}
*/
public boolean isPersistent()
{
return false;
}
@Override
protected boolean doContains(Serializable key)
{
return map.containsKey(key);
}
@Override
protected void doStore(Serializable key, T value) throws ObjectStoreException
{
if (value == null)
{
throw new ObjectStoreException(CoreMessages.objectIsNull("value"));
}
map.put(key, value);
}
@Override
protected T doRetrieve(Serializable key)
{
return map.get(key);
}
@Override
protected T doRemove(Serializable key)
{
return map.remove(key);
}
public void open() throws ObjectStoreException
{
// this is a no-op
}
public void close() throws ObjectStoreException
{
// this is a no-op
}
public List<Serializable> allKeys() throws ObjectStoreException
{
return new ArrayList<Serializable>(map.keySet());
}
}