View Javadoc
1 package org.apache.turbine.services.schedule; 2 3 /* ==================================================================== 4 * The Apache Software License, Version 1.1 5 * 6 * Copyright (c) 2001 The Apache Software Foundation. All rights 7 * reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in 18 * the documentation and/or other materials provided with the 19 * distribution. 20 * 21 * 3. The end-user documentation included with the redistribution, 22 * if any, must include the following acknowledgment: 23 * "This product includes software developed by the 24 * Apache Software Foundation (http://www.apache.org/)." 25 * Alternately, this acknowledgment may appear in the software itself, 26 * if and wherever such third-party acknowledgments normally appear. 27 * 28 * 4. The names "Apache" and "Apache Software Foundation" and 29 * "Apache Turbine" must not be used to endorse or promote products 30 * derived from this software without prior written permission. For 31 * written permission, please contact apache@apache.org. 32 * 33 * 5. Products derived from this software may not be called "Apache", 34 * "Apache Turbine", nor may "Apache" appear in their name, without 35 * prior written permission of the Apache Software Foundation. 36 * 37 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED 38 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 39 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 40 * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR 41 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 42 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 43 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 44 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 45 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 46 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 47 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 48 * SUCH DAMAGE. 49 * ==================================================================== 50 * 51 * This software consists of voluntary contributions made by many 52 * individuals on behalf of the Apache Software Foundation. For more 53 * information on the Apache Software Foundation, please see 54 * <http://www.apache.org/>;. 55 */ 56 57 import org.apache.turbine.TurbineConstants; 58 import org.apache.turbine.modules.ScheduledJobLoader; 59 import org.apache.turbine.services.logging.Logger; 60 import org.apache.turbine.services.logging.TurbineLogging; 61 62 /*** 63 * Wrapper for a <code>JobEntry</code> to actually perform the job's action. 64 * 65 * @author <a href="mailto:mbryson@mont.mindspring.com">Dave Bryson</a> 66 * @author <a href="mailto:dlr@finemaltcoding.com">Daniel Rall</a> 67 * @version $Id: WorkerThread.java,v 1.1.1.1 2001/08/16 05:09:15 jvanzyl Exp $ 68 */ 69 public class WorkerThread 70 implements Runnable 71 { 72 /*** 73 * The <code>JobEntry</code> to run. 74 */ 75 private JobEntry je = null; 76 77 /*** 78 * The {@link org.apache.turbine.services.logging.Logger} facility to use. 79 */ 80 private Logger logger = null; 81 82 /*** 83 * Creates a new worker to run the specified <code>JobEntry</code>. 84 * 85 * @param je The <code>JobEntry</code> to create a worker for. 86 */ 87 public WorkerThread(JobEntry je) 88 { 89 this.je = je; 90 logger = TurbineLogging.getLogger 91 (TurbineConstants.SCHEDULER_LOG_FACILITY); 92 } 93 94 /*** 95 * Run the job. 96 */ 97 public void run() 98 { 99 if (je == null || je.isActive()) 100 return; 101 102 try 103 { 104 if (! je.isActive()) 105 { 106 je.setActive(true); 107 logStateChange("started"); 108 ScheduledJobLoader.getInstance().exec(je, je.getTask()); 109 } 110 } 111 catch (Exception e) 112 { 113 logger.error("Error in WorkerThread for sheduled job #" + 114 je.getPrimaryKey() + ", task: " + je.getTask(), e); 115 } 116 finally 117 { 118 if (je.isActive()) 119 { 120 je.setActive(false); 121 logStateChange("completed"); 122 } 123 } 124 } 125 126 /*** 127 * Macro to log <code>JobEntry</code> status information. 128 * 129 * @param state The new state of the <code>JobEntry</code>. 130 */ 131 private final void logStateChange(String state) 132 { 133 logger.debug("Scheduled job #" + je.getPrimaryKey() + ' ' + state + 134 ", task: " + je.getTask()); 135 } 136 }

This page was automatically generated by Maven