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.rules; 018 019 import org.apache.camel.Exchange; 020 import org.apache.camel.bam.ProcessBuilder; 021 import org.apache.camel.bam.model.ActivityDefinition; 022 import org.apache.camel.bam.model.ActivityState; 023 import org.apache.camel.bam.model.ProcessInstance; 024 import org.apache.camel.impl.ServiceSupport; 025 import org.apache.camel.util.ServiceHelper; 026 import org.apache.commons.logging.Log; 027 import org.apache.commons.logging.LogFactory; 028 029 import java.util.ArrayList; 030 import java.util.List; 031 032 /** 033 * Represents a activity which is typically a system or could be an endpoint 034 * 035 * @version $Revision: $ 036 */ 037 public class ActivityRules extends ServiceSupport { 038 private static final transient Log log = LogFactory.getLog(ActivityRules.class); 039 private int expectedMessages = 1; 040 private ProcessRules processRules; 041 private List<TemporalRule> rules = new ArrayList<TemporalRule>(); 042 private ActivityDefinition activityDefinition; 043 private String activityName; 044 private final org.apache.camel.bam.ProcessBuilder builder; 045 046 public ActivityRules(ProcessBuilder builder) { 047 this.builder = builder; 048 this.processRules = builder.getProcessRules(); 049 processRules.getActivities().add(this); 050 } 051 052 public void addRule(TemporalRule rule) { 053 rules.add(rule); 054 } 055 056 /** 057 * Handles overdue activities 058 */ 059 public void processExpired(ActivityState activityState) throws Exception { 060 for (TemporalRule rule : rules) { 061 rule.processExpired(activityState); 062 } 063 } 064 065 public void processExchange(Exchange exchange, ProcessInstance process) { 066 for (TemporalRule rule : rules) { 067 rule.processExchange(exchange, process); 068 } 069 } 070 071 // Properties 072 //------------------------------------------------------------------------- 073 074 public ActivityDefinition getActivityDefinition() { 075 if (activityDefinition == null) { 076 activityDefinition = builder.findOrCreateActivityDefinition(activityName); 077 } 078 return activityDefinition; 079 } 080 081 public void setActivityDefinition(ActivityDefinition activityDefinition) { 082 this.activityDefinition = activityDefinition; 083 } 084 085 public int getExpectedMessages() { 086 return expectedMessages; 087 } 088 089 public void setExpectedMessages(int expectedMessages) { 090 this.expectedMessages = expectedMessages; 091 } 092 093 public ProcessRules getProcessRules() { 094 return processRules; 095 } 096 097 public void setActivityName(String activityName) { 098 this.activityName = activityName; 099 } 100 101 // Implementation methods 102 //------------------------------------------------------------------------- 103 protected void doStart() throws Exception { 104 ServiceHelper.startServices(rules); 105 } 106 107 protected void doStop() throws Exception { 108 ServiceHelper.stopServices(rules); 109 } 110 }