/*******************************************************************************
* 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;
/**
* Query Service combus listener interface
* @author Generated Code
*/
public class CombusQueryServiceListener extends BaseServiceListener {
/** Service's Name in {@link String} form */
public static final String SERVICE_ENDPOINT_NAME = Constants.NAMESPACES.SERVICE_PREFIX + "CombusQueryServiceListener";
/** Stats for object*/
protected org.openanzo.services.DynamicServiceStats stats=null;
/** Service interface*/
protected org.openanzo.datasource.IQueryService iQueryService=null;
/**Queue Name Prefix*/
protected String queueNamePrefix=null;
/**
* Create a new JMSQueryServiceListener
* @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 CombusQueryServiceListener(IAuthenticationService authenticationService,org.openanzo.datasource.IQueryService _service,String queueNamePrefix) {
super(SERVICE_ENDPOINT_NAME,authenticationService);
this.iQueryService =_service;
this.queueNamePrefix=queueNamePrefix;
stats=new org.openanzo.services.DynamicServiceStats(org.openanzo.datasource.IQueryService.ASK_QUERY,org.openanzo.datasource.IQueryService.CANCEL,org.openanzo.datasource.IQueryService.QUERY);
}
/**
* 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:"")+"query";
}
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.IQueryService.ASK_QUERY.equals(operation)){
long start=0;
if (stats.isEnabled()) {
start = System.currentTimeMillis();
}
try{
org.openanzo.combus.JMSMessageWrapper messageWrapper=new org.openanzo.combus.JMSMessageWrapper(request);
boolean defaultNamedGraphsFormatExists=request.propertyExists(org.openanzo.datasource.IQueryService.PARAM_DEFAULT_NAMED_GRAPHSFormat);
String defaultNamedGraphsFormat=(defaultNamedGraphsFormatExists)?request.getStringProperty(org.openanzo.datasource.IQueryService.PARAM_DEFAULT_NAMED_GRAPHSFormat):org.openanzo.rdf.utils.SerializationConstants.MIMETYPE_TEXT;
boolean defaultNamedGraphsExists=request.propertyExists(org.openanzo.datasource.IQueryService.PARAM_DEFAULT_NAMED_GRAPHS);
java.util.Set<org.openanzo.rdf.URI> defaultNamedGraphs = (defaultNamedGraphsExists)?org.openanzo.services.serialization.transport.URISetSerializer.deserialize(messageWrapper,org.openanzo.datasource.IQueryService.PARAM_DEFAULT_NAMED_GRAPHS, defaultNamedGraphsFormat):null;
boolean namedGraphsFormatExists=request.propertyExists(org.openanzo.datasource.IQueryService.PARAM_NAMED_GRAPHSFormat);
String namedGraphsFormat=(namedGraphsFormatExists)?request.getStringProperty(org.openanzo.datasource.IQueryService.PARAM_NAMED_GRAPHSFormat):org.openanzo.rdf.utils.SerializationConstants.MIMETYPE_TEXT;
boolean namedGraphsExists=request.propertyExists(org.openanzo.datasource.IQueryService.PARAM_NAMED_GRAPHS);
java.util.Set<org.openanzo.rdf.URI> namedGraphs = (namedGraphsExists)?org.openanzo.services.serialization.transport.URISetSerializer.deserialize(messageWrapper,org.openanzo.datasource.IQueryService.PARAM_NAMED_GRAPHS, namedGraphsFormat):null;
boolean namedDatasetsFormatExists=request.propertyExists(org.openanzo.datasource.IQueryService.PARAM_NAMED_DATASETSFormat);
String namedDatasetsFormat=(namedDatasetsFormatExists)?request.getStringProperty(org.openanzo.datasource.IQueryService.PARAM_NAMED_DATASETSFormat):org.openanzo.rdf.utils.SerializationConstants.MIMETYPE_TEXT;
boolean namedDatasetsExists=request.propertyExists(org.openanzo.datasource.IQueryService.PARAM_NAMED_DATASETS);
java.util.Set<org.openanzo.rdf.URI> namedDatasets = (namedDatasetsExists)?org.openanzo.services.serialization.transport.URISetSerializer.deserialize(messageWrapper,org.openanzo.datasource.IQueryService.PARAM_NAMED_DATASETS, namedDatasetsFormat):null;
String query=request.getText();
boolean queryBodyExists=request.propertyExists(org.openanzo.datasource.IQueryService.PARAM_QUERY_BODY);
String queryBody = (queryBodyExists)?org.openanzo.services.serialization.transport.StringSerializer.deserialize(messageWrapper,org.openanzo.datasource.IQueryService.PARAM_QUERY_BODY, null):null;
boolean baseURIExists=request.propertyExists(org.openanzo.datasource.IQueryService.PARAM_BASE_URI);
org.openanzo.rdf.URI baseURI = (baseURIExists)?org.openanzo.services.serialization.transport.URISerializer.deserialize(messageWrapper,org.openanzo.datasource.IQueryService.PARAM_BASE_URI, null):null;
boolean currentDataExists=request.propertyExists(org.openanzo.datasource.IQueryService.PARAM_CURRENT_DATA);
boolean currentData = (currentDataExists)?org.openanzo.services.serialization.transport.BooleanSerializer.deserialize(messageWrapper,org.openanzo.datasource.IQueryService.PARAM_CURRENT_DATA, null):false;
java.io.StringWriter output = new java.io.StringWriter();
this.iQueryService.askQuery(context,defaultNamedGraphs,namedGraphs,namedDatasets,query,queryBody,baseURI,currentData, output);
response = session.createTextMessage();
response.setBooleanProperty(org.openanzo.rdf.utils.SerializationConstants.operationFailed, false);
String out = output.toString();
if (out.length() > 0) {
response.setText(output.toString());
}
}finally{
if (stats.isEnabled()) {
stats.use("askQuery",(System.currentTimeMillis() - start));
}
}}else if(org.openanzo.datasource.IQueryService.CANCEL.equals(operation)){
long start=0;
if (stats.isEnabled()) {
start = System.currentTimeMillis();
}
try{
org.openanzo.combus.JMSMessageWrapper messageWrapper=new org.openanzo.combus.JMSMessageWrapper(request);
boolean operationIdExists=request.propertyExists(org.openanzo.datasource.IQueryService.PARAM_OPERATION_ID);
if(!operationIdExists){
throw new AnzoException(ExceptionConstants.CORE.NULL_PARAMETER,org.openanzo.datasource.IQueryService.PARAM_OPERATION_ID);
}
String operationId = org.openanzo.services.serialization.transport.StringSerializer.deserialize(messageWrapper,org.openanzo.datasource.IQueryService.PARAM_OPERATION_ID, null);
java.io.StringWriter output = new java.io.StringWriter();
this.iQueryService.cancel(context,operationId, output);
response = session.createTextMessage();
response.setBooleanProperty(org.openanzo.rdf.utils.SerializationConstants.operationFailed, false);
String out = output.toString();
if (out.length() > 0) {
response.setText(output.toString());
}
}finally{
if (stats.isEnabled()) {
stats.use("cancel",(System.currentTimeMillis() - start));
}
}}else if(org.openanzo.datasource.IQueryService.QUERY.equals(operation)){
long start=0;
if (stats.isEnabled()) {
start = System.currentTimeMillis();
}
try{
org.openanzo.combus.JMSMessageWrapper messageWrapper=new org.openanzo.combus.JMSMessageWrapper(request);
boolean defaultNamedGraphsFormatExists=request.propertyExists(org.openanzo.datasource.IQueryService.PARAM_DEFAULT_NAMED_GRAPHSFormat);
String defaultNamedGraphsFormat=(defaultNamedGraphsFormatExists)?request.getStringProperty(org.openanzo.datasource.IQueryService.PARAM_DEFAULT_NAMED_GRAPHSFormat):org.openanzo.rdf.utils.SerializationConstants.MIMETYPE_TEXT;
boolean defaultNamedGraphsExists=request.propertyExists(org.openanzo.datasource.IQueryService.PARAM_DEFAULT_NAMED_GRAPHS);
java.util.Set<org.openanzo.rdf.URI> defaultNamedGraphs = (defaultNamedGraphsExists)?org.openanzo.services.serialization.transport.URISetSerializer.deserialize(messageWrapper,org.openanzo.datasource.IQueryService.PARAM_DEFAULT_NAMED_GRAPHS, defaultNamedGraphsFormat):null;
boolean namedGraphsFormatExists=request.propertyExists(org.openanzo.datasource.IQueryService.PARAM_NAMED_GRAPHSFormat);
String namedGraphsFormat=(namedGraphsFormatExists)?request.getStringProperty(org.openanzo.datasource.IQueryService.PARAM_NAMED_GRAPHSFormat):org.openanzo.rdf.utils.SerializationConstants.MIMETYPE_TEXT;
boolean namedGraphsExists=request.propertyExists(org.openanzo.datasource.IQueryService.PARAM_NAMED_GRAPHS);
java.util.Set<org.openanzo.rdf.URI> namedGraphs = (namedGraphsExists)?org.openanzo.services.serialization.transport.URISetSerializer.deserialize(messageWrapper,org.openanzo.datasource.IQueryService.PARAM_NAMED_GRAPHS, namedGraphsFormat):null;
boolean namedDatasetsFormatExists=request.propertyExists(org.openanzo.datasource.IQueryService.PARAM_NAMED_DATASETSFormat);
String namedDatasetsFormat=(namedDatasetsFormatExists)?request.getStringProperty(org.openanzo.datasource.IQueryService.PARAM_NAMED_DATASETSFormat):org.openanzo.rdf.utils.SerializationConstants.MIMETYPE_TEXT;
boolean namedDatasetsExists=request.propertyExists(org.openanzo.datasource.IQueryService.PARAM_NAMED_DATASETS);
java.util.Set<org.openanzo.rdf.URI> namedDatasets = (namedDatasetsExists)?org.openanzo.services.serialization.transport.URISetSerializer.deserialize(messageWrapper,org.openanzo.datasource.IQueryService.PARAM_NAMED_DATASETS, namedDatasetsFormat):null;
boolean queryExists=request.propertyExists(org.openanzo.datasource.IQueryService.PARAM_QUERY);
String query = (queryExists)?org.openanzo.services.serialization.transport.StringSerializer.deserialize(messageWrapper,org.openanzo.datasource.IQueryService.PARAM_QUERY, null):null;
String queryBody=request.getText();
boolean baseURIExists=request.propertyExists(org.openanzo.datasource.IQueryService.PARAM_BASE_URI);
org.openanzo.rdf.URI baseURI = (baseURIExists)?org.openanzo.services.serialization.transport.URISerializer.deserialize(messageWrapper,org.openanzo.datasource.IQueryService.PARAM_BASE_URI, null):null;
java.io.StringWriter output = new java.io.StringWriter();
this.iQueryService.query(context,defaultNamedGraphs,namedGraphs,namedDatasets,query,queryBody,baseURI, output,resultFormat);
response = session.createTextMessage();
response.setBooleanProperty(org.openanzo.rdf.utils.SerializationConstants.operationFailed, false);
String out = output.toString();
if (out.length() > 0) {
response.setText(output.toString());
}
}finally{
if (stats.isEnabled()) {
stats.use("query",(System.currentTimeMillis() - start));
}
}
} else {
throw new AnzoException(ExceptionConstants.SERVER.UNKNOWN_OPERATION_ERROR, operation);
}
return response;
}
}