/*******************************************************************************
* Copyright (c) 2004, 2007-2008 IBM Corporation and Cambridge Semantics Incorporated.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* File: $Source$
* Created by: Generated Source from org.openanzo.jdbc.utils.opgen.jet
* Created on: Generated Source from org.openanzo.jdbc.utils.opgen.jet
* Revision: $Id$
*
* Contributors:
* IBM Corporation - initial API and implementation
* Cambridge Semantics Incorporated - Fork to Anzo
*******************************************************************************/
package org.openanzo.combus.listeners;
import javax.jms.MessageProducer;
import javax.jms.Destination;
import javax.jms.JMSException;
import javax.jms.TextMessage;
import org.openanzo.combus.endpoint.BaseServiceListener;
import org.openanzo.exceptions.AnzoException;
import org.openanzo.exceptions.ExceptionConstants;
import org.openanzo.rdf.Constants;
import org.openanzo.services.IOperationContext;
import org.openanzo.services.IAuthenticationService;
/**
* Replication Service combus listener interface
* @author Generated Code
*/
public class CombusReplicationServiceListener extends BaseServiceListener {
/** Service's Name in {@link String} form */
public static final String SERVICE_ENDPOINT_NAME = Constants.NAMESPACES.SERVICE_PREFIX + "CombusReplicationServiceListener";
/** Stats for object*/
protected org.openanzo.services.DynamicServiceStats stats=null;
/** Service interface*/
protected org.openanzo.datasource.IReplicationService iReplicationService=null;
/**Queue Name Prefix*/
protected String queueNamePrefix=null;
/**
* Create a new JMSReplicationServiceListener
* @param authenticationService Authentication service used by this listener
* @param _service Service for which listener is handling requests
* @param queueNamePrefix Prefix for the queue name on which this listener is listening
*/
public CombusReplicationServiceListener(IAuthenticationService authenticationService,org.openanzo.datasource.IReplicationService _service,String queueNamePrefix) {
super(SERVICE_ENDPOINT_NAME,authenticationService);
this.iReplicationService =_service;
this.queueNamePrefix=queueNamePrefix;
stats=new org.openanzo.services.DynamicServiceStats(org.openanzo.datasource.IReplicationService.REPLICATE);
}
/**
* Statistics object for this service
* @return the stats object for this service
*/
public org.openanzo.services.DynamicServiceStats getStatistics(){
return stats;
}
public String getQueueName() {
return "services/"+((queueNamePrefix!=null)?queueNamePrefix:"")+"replication";
}
public TextMessage handleMessage(IOperationContext context, Destination replyTo, String resultFormat, String operation, TextMessage request, MessageProducer messageProducer) throws JMSException, AnzoException {
verifyCaller(context);
TextMessage response = null;
if(org.openanzo.datasource.IReplicationService.REPLICATE.equals(operation)){
long start=0;
if (stats.isEnabled()) {
start = System.currentTimeMillis();
}
try{
org.openanzo.combus.JMSMessageWrapper messageWrapper=new org.openanzo.combus.JMSMessageWrapper(request);
boolean namedGraphsFormatExists=request.propertyExists(org.openanzo.datasource.IReplicationService.PARAM_NAMED_GRAPHSFormat);
String namedGraphsFormat=(namedGraphsFormatExists)?request.getStringProperty(org.openanzo.datasource.IReplicationService.PARAM_NAMED_GRAPHSFormat):org.openrdf.rio.RDFFormat.TRIG.getDefaultMIMEType();
String namedGraphs=request.getText();
if(namedGraphs==null){
throw new AnzoException(ExceptionConstants.CORE.NULL_PARAMETER,org.openanzo.datasource.IReplicationService.PARAM_NAMED_GRAPHS);
}
boolean batchSizeExists=request.propertyExists(org.openanzo.datasource.IReplicationService.PARAM_BATCH_SIZE);
int batchSize = (batchSizeExists)?org.openanzo.services.serialization.transport.IntSerializer.deserialize(messageWrapper,org.openanzo.datasource.IReplicationService.PARAM_BATCH_SIZE, null):-1;
java.util.Collection<org.openanzo.rdf.Statement> trackers = org.openanzo.rdf.utils.ReadWriteUtils.readStatements(namedGraphs, org.openanzo.rdf.RDFFormat.forMIMEType(namedGraphsFormat));
org.openanzo.combus.listeners.BatchedReplicationHandler handler = new org.openanzo.combus.listeners.BatchedReplicationHandler(batchSize, replyTo, resultFormat, operation, request, session, mp,recorder);
this.iReplicationService.replicate(context, trackers, handler,batchSize);
}finally{
if (stats.isEnabled()) {
stats.use("replicate",(System.currentTimeMillis() - start));
}
}
} else {
throw new AnzoException(ExceptionConstants.SERVER.UNKNOWN_OPERATION_ERROR, operation);
}
return response;
}
}