001 /*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements. See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License. You may obtain a copy of the License at
008 *
009 * http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017 package org.apache.camel.bam;
018
019 import org.apache.camel.bam.model.*;
020 import org.apache.camel.bam.model.ProcessInstance;
021 import org.apache.camel.Exchange;
022 import org.apache.camel.Expression;
023 import org.apache.commons.logging.Log;
024 import org.apache.commons.logging.LogFactory;
025 import org.springframework.orm.jpa.JpaTemplate;
026 import org.springframework.transaction.support.TransactionTemplate;
027
028 /**
029 * @version $Revision: $
030 */
031 public class JpaBamProcessor extends JpaBamProcessorSupport<ProcessInstance> {
032 private static final transient Log log = LogFactory.getLog(JpaBamProcessor.class);
033
034 public JpaBamProcessor(TransactionTemplate transactionTemplate, JpaTemplate template, Expression<Exchange> correlationKeyExpression, ActivityRules activityRules) {
035 super(transactionTemplate, template, correlationKeyExpression, activityRules);
036 }
037
038 public JpaBamProcessor(TransactionTemplate transactionTemplate, JpaTemplate template, Expression<Exchange> correlationKeyExpression, ActivityRules activityRules, Class<ProcessInstance> entitytype) {
039 super(transactionTemplate, template, correlationKeyExpression, activityRules, entitytype);
040 }
041
042 protected void processEntity(Exchange exchange, ProcessInstance process) throws Exception {
043 log.info("Processing entity! - attempting to get the current state for process: " + process);
044
045 ActivityState state = process.getActivityState(getActivity());
046 log.info("Found activity: "+ state);
047
048 if (state == null) {
049 state = createActivityState(exchange, process);
050 state.setProcess(process);
051
052 log.info("Storing activity: "+ state + " with process: " + state.getProcess());
053 //getTemplate().persist(state);
054 }
055 ProcessContext context = new ProcessContext(exchange, getActivity(), state);
056
057 state.processExchange(getActivity(), context);
058 }
059
060 protected ActivityState createActivityState(Exchange exchange, ProcessInstance process) {
061 return new ActivityState();
062 }
063 }