package org.apache.jcs.auxiliary.lateral.xmlrpc;
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
import java.io.*;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.IOException;
import java.io.Serializable;
import java.util.Set;
import org.apache.jcs.auxiliary.lateral.LateralCacheAttributes;
import org.apache.jcs.auxiliary.lateral.LateralCacheInfo;
import org.apache.jcs.auxiliary.lateral.LateralElementDescriptor;
import org.apache.jcs.auxiliary.lateral.behavior.ILateralCacheAttributes;
import org.apache.jcs.auxiliary.lateral.behavior.ILateralCacheObserver;
import org.apache.jcs.auxiliary.lateral.behavior.ILateralCacheService;
import org.apache.jcs.engine.CacheElement;
import org.apache.jcs.engine.behavior.ICacheElement;
import org.apache.jcs.engine.behavior.ICacheListener;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
/**
* A lateral cache service implementation.
*
* @version $Id: LateralXMLRPCService.java,v 1.8 2002/02/17 07:16:24 asmuts Exp
* $
*/
public class LateralXMLRPCService
implements ILateralCacheService, ILateralCacheObserver
{
private final static Log log =
LogFactory.getLog( LateralXMLRPCService.class );
private ILateralCacheAttributes ilca;
private LateralXMLRPCSender sender;
/**
* Constructor for the LateralXMLRPCService object
*
* @param lca
* @exception IOException
*/
public LateralXMLRPCService( ILateralCacheAttributes lca )
throws IOException
{
this.ilca = lca;
try
{
log.debug( "creating sender" );
sender = new LateralXMLRPCSender( lca );
log.debug( "created sender" );
}
catch ( IOException e )
{
//log.error( "Could not create sender", e );
// This gets thrown over and over in recovery mode.
// The stack trace isn't useful here.
log.error( "Could not create sender to [" + lca.getTcpServer() + "] -- " + e.getMessage() );
throw e;
}
}
// -------------------------------------------------------- Service Methods
/**
* @param item
* @exception IOException
*/
public void update( ICacheElement item )
throws IOException
{
update( item, LateralCacheInfo.listenerId );
}
/**
* @param item
* @param requesterId
* @exception IOException
*/
public void update( ICacheElement item, long requesterId )
throws IOException
{
LateralElementDescriptor led = new LateralElementDescriptor( item );
led.requesterId = requesterId;
led.command = led.UPDATE;
sender.send( led );
}
/**
* @param cacheName
* @param key
* @exception IOException
*/
public void remove( String cacheName, Serializable key )
throws IOException
{
remove( cacheName, key, LateralCacheInfo.listenerId );
}
/**
* @param cacheName
* @param key
* @param requesterId
* @exception IOException
*/
public void remove( String cacheName, Serializable key, long requesterId )
throws IOException
{
CacheElement ce = new CacheElement( cacheName, key, null );
LateralElementDescriptor led = new LateralElementDescriptor( ce );
led.requesterId = requesterId;
led.command = led.REMOVE;
sender.send( led );
}
/**
* @exception IOException
*/
public void release()
throws IOException
{
// nothing needs to be done
}
/**
* Will close the connection.
*
* @param cache
* @exception IOException
*/
public void dispose( String cache )
throws IOException
{
sender.dispose( cache );
}
/**
* @return
* @param key
* @exception IOException
*/
public Serializable get( String key )
throws IOException
{
//p( "junk get" );
//return get( cattr.cacheName, key, true );
return null;
// nothing needs to be done
}
/**
* @return
* @param cacheName
* @param key
* @exception IOException
*/
public ICacheElement get( String cacheName, Serializable key )
throws IOException
{
//p( "get(cacheName,key,container)" );
CacheElement ce = new CacheElement( cacheName, key, null );
LateralElementDescriptor led = new LateralElementDescriptor( ce );
//led.requesterId = requesterId; // later
led.command = led.GET;
return sender.sendAndReceive( led );
//return null;
// nothing needs to be done
}
/**
* Gets the set of keys of objects currently in the group
* throws UnsupportedOperationException
*/
public Set getGroupKeys(String cacheName, String group)
{
if (true)
{
throw new UnsupportedOperationException("Groups not implemented.");
}
return null;
}
/**
* @param cacheName
* @exception IOException
*/
public void removeAll( String cacheName )
throws IOException
{
removeAll( cacheName, LateralCacheInfo.listenerId );
}
/**
* @param cacheName
* @param requesterId
* @exception IOException
*/
public void removeAll( String cacheName, long requesterId )
throws IOException
{
CacheElement ce = new CacheElement( cacheName, "ALL", null );
LateralElementDescriptor led = new LateralElementDescriptor( ce );
led.requesterId = requesterId;
led.command = led.REMOVEALL;
sender.send( led );
}
/**
* @param args
*/
public static void main( String args[] )
{
try
{
LateralXMLRPCSender sender =
new LateralXMLRPCSender( new LateralCacheAttributes() );
// process user input till done
boolean notDone = true;
String message = null;
// wait to dispose
BufferedReader br =
new BufferedReader( new InputStreamReader( System.in ) );
while ( notDone )
{
System.out.println( "enter mesage:" );
message = br.readLine();
CacheElement ce = new CacheElement( "test", "test", message );
LateralElementDescriptor led = new LateralElementDescriptor( ce );
sender.send( led );
}
}
catch ( Exception e )
{
System.out.println( e.toString() );
}
}
// ILateralCacheObserver methods, do nothing here since
// the connection is not registered, the udp service is
// is not registered.
/**
* @param cacheName The feature to be added to the CacheListener attribute
* @param obj The feature to be added to the CacheListener attribute
* @exception IOException
*/
public void addCacheListener( String cacheName, ICacheListener obj )
throws IOException
{
// Empty
}
/**
* @param obj The feature to be added to the CacheListener attribute
* @exception IOException
*/
public void addCacheListener( ICacheListener obj )
throws IOException
{
// Empty
}
/**
* @param cacheName
* @param obj
* @exception IOException
*/
public void removeCacheListener( String cacheName, ICacheListener obj )
throws IOException
{
// Empty
}
/**
* @param obj
* @exception IOException
*/
public void removeCacheListener( ICacheListener obj )
throws IOException
{
// Empty
}
}