/**
* 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.
*/
package org.apache.camel.bam.processor;
import org.apache.camel.Exchange;
import org.apache.camel.Expression;
import org.apache.camel.Processor;
import org.apache.camel.bam.model.ActivityState;
import org.apache.camel.bam.model.ProcessInstance;
import org.apache.camel.bam.rules.ActivityRules;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.orm.jpa.JpaTemplate;
import org.springframework.transaction.support.TransactionTemplate;
/**
* A concrete {@link Processor} for working on <a
* href="http://activemq.apache.org/camel/bam.html">BAM</a> which uses JPA as
* the persistence and uses the {@link ProcessInstance} entity to store the
* process information.
*
* @version $Revision: 630591 $
*/
public class JpaBamProcessor extends JpaBamProcessorSupport<ProcessInstance> {
private static final transient Log LOG = LogFactory.getLog(JpaBamProcessor.class);
public JpaBamProcessor(TransactionTemplate transactionTemplate, JpaTemplate template, Expression<Exchange> correlationKeyExpression, ActivityRules activityRules) {
super(transactionTemplate, template, correlationKeyExpression, activityRules);
}
public JpaBamProcessor(TransactionTemplate transactionTemplate, JpaTemplate template, Expression<Exchange> correlationKeyExpression,
ActivityRules activityRules, Class<ProcessInstance> entitytype) {
super(transactionTemplate, template, correlationKeyExpression, activityRules, entitytype);
}
protected void processEntity(Exchange exchange, ProcessInstance process) throws Exception {
if (LOG.isDebugEnabled()) {
LOG.debug("Processing process instance: " + process);
}
// lets force the lazy creation of this activity
ActivityRules rules = getActivityRules();
ActivityState state = process.getOrCreateActivityState(rules);
state.processExchange(rules, new ProcessContext(exchange, rules, state));
rules.getProcessRules().processExchange(exchange, process);
}
}