/*
* Copyright (C) 2012 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.infinispan;
import java.io.Externalizable;
import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectOutput;
/**
* This is the main class of all the mapper used in jcr
*
* @author <a href="mailto:nfilotto@exoplatform.com">Nicolas Filotto</a>
* @version $Id$
*
*/
public abstract class AbstractMapper<KOut, VOut> extends
org.exoplatform.services.ispn.AbstractMapper<CacheKey, Object, KOut, VOut> implements Externalizable
{
/**
* This id will be the unique identifier of the workspace in case the
* distributed mode is enabled as the cache will be then shared so we
* need this id to prevent mixing data of different workspace. In case
* the workspace is not distributed the value of this variable will be
* null to avoid consuming more memory for nothing
*/
protected String ownerId;
public AbstractMapper()
{
}
public AbstractMapper(String ownerId)
{
this.ownerId = ownerId;
}
/**
* @see org.exoplatform.services.ispn.AbstractMapper#isValid(java.lang.Object)
*/
@Override
protected boolean isValid(CacheKey key)
{
return ownerId.equals(key.getOwnerId());
}
/**
* @see java.io.Externalizable#writeExternal(java.io.ObjectOutput)
*/
public void writeExternal(ObjectOutput out) throws IOException
{
byte[] buf = ownerId.getBytes("UTF-8");
out.writeInt(buf.length);
out.write(buf);
}
/**
* @see java.io.Externalizable#readExternal(java.io.ObjectInput)
*/
public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException
{
byte[] buf = new byte[in.readInt()];
in.readFully(buf);
ownerId = new String(buf, "UTF-8");
}
}