/*
* Created on Jan 5, 2006
* Copyright (C) 2001-5, Anthony Harrison anh23@pitt.edu (jactr.org) This library 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 library 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 library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package org.jactr.core.buffer.six;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.jactr.core.buffer.IRequestableBuffer;
import org.jactr.core.buffer.event.ActivationBufferEvent;
import org.jactr.core.logging.IMessageBuilder;
import org.jactr.core.logging.Logger;
import org.jactr.core.module.IModule;
import org.jactr.core.production.request.IRequest;
public abstract class AbstractRequestableBuffer6 extends AbstractActivationBuffer6
implements IRequestableBuffer
{
/**
* Logger definition
*/
static private final transient Log LOGGER = LogFactory
.getLog(AbstractRequestableBuffer6.class);
public AbstractRequestableBuffer6(String name, IModule module)
{
super(name, module);
}
public boolean request(IRequest request, double requestTime) throws IllegalArgumentException
{
boolean processed = false;
try
{
getLock().writeLock().lock();
processed = requestInternal(request, requestTime);
}
finally
{
getLock().writeLock().unlock();
}
if (processed)
{
if (LOGGER.isDebugEnabled()) LOGGER.debug("addChunkPatternInternal returned true, dispatching");
if (getEventDispatcher().hasListeners())
getEventDispatcher().fire(new ActivationBufferEvent(this, request));
if(Logger.hasLoggers(getModel()))
{
IMessageBuilder mb = Logger.messageBuilder();
mb.append(getName()).append(" added pattern ")
.append(String.format("%s", request));
Logger.log(getModel(), Logger.Stream.BUFFER, mb);
}
}
return processed;
}
/**
* actually do the work of the request. this is called within the write lock
* @param request
* @return
* @throws IllegalArgumentException
*/
abstract protected boolean requestInternal(IRequest request, double requestTime) throws IllegalArgumentException;
}