/***************************************************************************
* Copyright (C) 2008 by Fabrizio Montesi *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU Library General Public License as *
* published by the Free Software Foundation; either version 2 of the *
* License, or (at your option) any later version. *
* *
* This program 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 General Public License for more details. *
* *
* You should have received a copy of the GNU Library General Public *
* License along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
* *
* For details about the authors of this software, see the AUTHORS file. *
***************************************************************************/
package joliex.metaservice;
import java.io.IOException;
import jolie.net.CommChannel;
import jolie.net.CommMessage;
import jolie.runtime.FaultException;
import jolie.runtime.Value;
/**
* A simple channel for exchanging messages with a service powered by MetaService.
* @author Fabrizio Montesi
*/
public class MetaServiceChannel implements Cloneable
{
private final MetaService metaService;
private final String resourceName;
private final CommChannel channel;
//private final boolean persistent;
public MetaServiceChannel( MetaService metaService, String resourceName )
throws IOException
{
this.metaService = metaService;
this.resourceName = resourceName;
this.channel = metaService.createCommChannel();
/*this.persistent = persistent;
if ( persistent ) {
channel = metaService.createCommChannel();
}*/
}
@Override
public MetaServiceChannel clone()
throws CloneNotSupportedException
{
try {
return new MetaServiceChannel( metaService, resourceName );
} catch( IOException e ) {
throw new CloneNotSupportedException();
}
}
public String resourceName()
{
return resourceName;
}
public void send( String operationName, Value value )
throws IOException
{
/*if ( !persistent ) {
channel = metaService.createCommChannel();
}*/
channel.send(
CommMessage.createRequest( operationName, resourceName, value )
);
}
public Value recv()
throws IOException, FaultException
{
CommMessage message = channel.recv();
if ( message.isFault() ) {
throw message.fault();
}
return message.value();
}
}