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Payara-Embedded-All Distribution of the Payara Project
/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 1997-2012 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [year] [name of copyright owner]"
*
* Contributor(s):
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
package com.sun.enterprise.connectors.work;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.resource.spi.work.Work;
import org.glassfish.logging.annotation.LogMessageInfo;
import com.sun.enterprise.connectors.work.context.WorkContextHandlerImpl;
/**
* Represents one piece of work that will be submitted to the workqueue.
*
* @author Binod P.G
*/
public final class OneWork implements com.sun.corba.ee.spi.threadpool.Work {
private final Work work;
private final WorkCoordinator coordinator;
private long nqTime;
private static final Logger logger = LogFacade.getLogger();
private String name = "Resource adapter work";
private boolean nameSet = false;
//Store the client's TCC so that when the work is executed,
//TCC is set appropriately.
private ClassLoader tcc = null;
/**
* Creates a work object that can be submitted to a workqueue.
*
* @param work Actual work submitted by Resource adapter.
* @param coordinator WorkCoordinator object.
*/
OneWork (Work work, WorkCoordinator coordinator, ClassLoader tcc) {
this.work = work;
this.coordinator = coordinator;
this.tcc = tcc;
}
/**
* This method is executed by thread pool as the basic work operation.
*/
public void doWork() {
ClassLoader callerCL = Thread.currentThread().getContextClassLoader();
if(tcc != null && tcc != callerCL){
Thread.currentThread().setContextClassLoader(tcc);
}
try{
coordinator.preInvoke(); // pre-invoke will set work state to "started",
boolean timedOut = coordinator.isTimedOut();
// validation of work context should be after this
//so as to throw WorkCompletedException in case of error.
if (coordinator.proceed()) {
try {
coordinator.setupContext(this);
//work-name will be set (if specified via HintsContext "javax.resources.spi.HintsContext.NAME_HINT")
log("Start of Work");
} catch (Throwable e) {
coordinator.setException(e);
}
}
//there may be failure in context setup
if(coordinator.proceed()){
try {
work.run();
log("Work Executed");
} catch (Throwable t) {
log("Execution has thrown exception " + t.getMessage());
coordinator.setException(t);
}
}
if(!timedOut){
coordinator.postInvoke();
}
log("End of Work");
}finally{
ClassLoader cl = Thread.currentThread().getContextClassLoader();
if(cl != callerCL){
Thread.currentThread().setContextClassLoader(callerCL);
}
tcc = null;
}
}
@LogMessageInfo(
message = "The Work named [ {0} ], progress [ {1} ].",
comment = "Print Work status",
level = "INFO",
publish = false)
private static final String RAR_WORK_PROGRESS_INFO = "AS-RAR-05004";
public void log(String message){
if(nameSet){
Object args[] = new Object[]{name, message};
logger.log(Level.INFO, RAR_WORK_PROGRESS_INFO, args);
}
}
/**
* Time at which this work is enqueued.
*
* @param tme Time in milliseconds.
*/
public void setEnqueueTime(long tme) {
this.nqTime = tme;
}
/**
* Retrieves the time at which this work is enqueued
*
* @return Time in milliseconds.
*/
public long getEnqueueTime() {
return nqTime;
}
/**
* Retrieves the name of the work.
*
* @return Name of the work.
*/
public String getName() {
return name;
}
public void setName(String name){
this.name = name;
nameSet = true;
}
/**
* Retrieves the string representation of work.
*
* @return String representation of work.
*/
public String toString() {
StringBuffer result = new StringBuffer();
if(nameSet){
result.append("[Work : " + name + "] ");
}
result.append(work.toString());
return result.toString();
}
}