1 package org.apache.turbine.services.schedule; 2 3 import org.apache.logging.log4j.LogManager; 4 5 /* 6 * Licensed to the Apache Software Foundation (ASF) under one 7 * or more contributor license agreements. See the NOTICE file 8 * distributed with this work for additional information 9 * regarding copyright ownership. The ASF licenses this file 10 * to you under the Apache License, Version 2.0 (the 11 * "License"); you may not use this file except in compliance 12 * with the License. You may obtain a copy of the License at 13 * 14 * http://www.apache.org/licenses/LICENSE-2.0 15 * 16 * Unless required by applicable law or agreed to in writing, 17 * software distributed under the License is distributed on an 18 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 19 * KIND, either express or implied. See the License for the 20 * specific language governing permissions and limitations 21 * under the License. 22 */ 23 24 import org.apache.logging.log4j.Logger; 25 import org.apache.turbine.modules.ScheduledJobLoader; 26 27 /** 28 * Wrapper for a <code>JobEntry</code> to actually perform the job's action. 29 * 30 * @author <a href="mailto:mbryson@mont.mindspring.com">Dave Bryson</a> 31 * @author <a href="mailto:dlr@finemaltcoding.com">Daniel Rall</a> 32 * @author <a href="mailto:hps@intermeta.de">Henning P. Schmiedehausen</a> 33 * @author <a href="mailto:quintonm@bellsouth.net">Quinton McCombs</a> 34 * @version $Id: WorkerThread.java 534527 2007-05-02 16:10:59Z tv $ 35 */ 36 public class WorkerThread 37 implements Runnable 38 { 39 /** 40 * The <code>JobEntry</code> to run. 41 */ 42 private JobEntry je = null; 43 44 /** Logging */ 45 private static final Logger log = LogManager.getLogger(ScheduleService.LOGGER_NAME); 46 47 /** 48 * Creates a new worker to run the specified <code>JobEntry</code>. 49 * 50 * @param je The <code>JobEntry</code> to create a worker for. 51 */ 52 public WorkerThread(JobEntry je) 53 { 54 this.je = je; 55 } 56 57 /** 58 * Run the job. 59 */ 60 @Override 61 public void run() 62 { 63 if (je == null || je.isActive()) 64 { 65 return; 66 } 67 68 try 69 { 70 if (!je.isActive()) 71 { 72 je.setActive(true); 73 logStateChange("started"); 74 ScheduledJobLoader.getInstance().exec(je, je.getTask()); 75 } 76 } 77 catch (Exception e) 78 { 79 log.error("Error in WorkerThread for scheduled job #{}, task: {}", 80 Integer.valueOf(je.getJobId()), je.getTask(), e); 81 } 82 finally 83 { 84 if (je.isActive()) 85 { 86 je.setActive(false); 87 logStateChange("completed"); 88 } 89 } 90 } 91 92 /** 93 * Macro to log <code>JobEntry</code> status information. 94 * 95 * @param state The new state of the <code>JobEntry</code>. 96 */ 97 private final void logStateChange(String state) 98 { 99 log.error("Scheduled job #{} {}, task: {}", 100 Integer.valueOf(je.getJobId()), state, je.getTask()); 101 } 102 }