package org.apache.stratum.jcs.auxiliary.lateral.socket.tcp;
/*
* The Apache Software License, Version 1.1
*
* Copyright (c) 2001 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution, if
* any, must include the following acknowlegement:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowlegement may appear in the software itself,
* if and wherever such third-party acknowlegements normally appear.
*
* 4. The names "The Jakarta Project", "Velocity", and "Apache Software
* Foundation" must not be used to endorse or promote products derived
* from this software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache"
* nor may "Apache" appear in their names without prior written
* permission of the Apache Group.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
import org.apache.stratum.jcs.auxiliary.lateral.behavior.ILateralCacheAttributes;
import org.apache.stratum.jcs.auxiliary.lateral.behavior.ILateralCacheListener;
import org.apache.stratum.jcs.auxiliary.lateral.socket.tcp.behavior.ILateralCacheTCPListener;
import org.apache.stratum.jcs.engine.behavior.ICompositeCacheManager;
import org.apache.stratum.jcs.engine.behavior.ICacheType;
import org.apache.stratum.jcs.engine.control.group.GroupCacheManager;
import org.apache.stratum.jcs.engine.control.group.GroupCacheManager;
import org.apache.stratum.jcs.engine.control.group.GroupCacheManager;
import org.apache.stratum.jcs.engine.control.group.GroupCacheManagerFactory;
import org.apache.stratum.jcs.engine.control.group.GroupCacheManagerFactory;
import org.apache.stratum.jcs.engine.control.group.GroupCacheManagerFactory;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
/**
* @author <a href="mailto:asmuts@yahoo.com">Aaron Smuts</a>
* @created January 15, 2002
* @version $Id: LateralGroupCacheTCPListener.java,v 1.6 2002/02/15 04:33:37
* jtaylor Exp $
*/
public class LateralGroupCacheTCPListener
extends LateralCacheTCPListener
implements ILateralCacheTCPListener
{
private final static Log log =
LogFactory.getLog( LateralGroupCacheTCPListener.class );
/**
* Constructor for the LateralGroupCacheTCPListener object
*
* @param ilca
*/
protected LateralGroupCacheTCPListener( ILateralCacheAttributes ilca )
{
super( ilca );
log.debug( "creating LateralGroupCacheTCPListener" );
}
/**
* Gets the instance attribute of the LateralGroupCacheTCPListener class
*
* @return The instance value
*/
public static ILateralCacheListener getInstance( ILateralCacheAttributes ilca )
{
//throws IOException, NotBoundException
ILateralCacheListener ins = ( ILateralCacheListener ) instances.get( String.valueOf( ilca.getTcpListenerPort() ) );
if ( ins == null )
{
synchronized ( LateralGroupCacheTCPListener.class )
{
if ( ins == null )
{
ins = new LateralGroupCacheTCPListener( ilca );
ins.init();
}
if ( log.isDebugEnabled() )
{
log.debug( "created new listener " + ilca.getTcpListenerPort() );
}
instances.put( String.valueOf( ilca.getTcpListenerPort() ), ins );
}
}
return ins;
}
// override for new funcitonality
// lazy init is too slow, find a better way
/**
* Gets the cacheManager attribute of the LateralGroupCacheTCPListener
* object
*/
protected void getCacheManager()
{
try
{
if ( cacheMgr == null )
{
cacheMgr = ( ICompositeCacheManager ) GroupCacheManagerFactory.getInstance();
if ( log.isDebugEnabled() )
{
log.debug( " groupcache cacheMgr = " + cacheMgr );
}
}
else
{
if ( log.isDebugEnabled() )
{
log.debug( "already got groupcache cacheMgr = " + cacheMgr );
}
}
}
catch ( Exception e )
{
log.error( e );
}
}
}