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 }