/*
* Copyright (c) 1998-2011 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Resin Open Source is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
* Free SoftwareFoundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Scott Ferguson
*/
package com.caucho.resources;
import com.caucho.config.ConfigException;
import com.caucho.util.L10N;
import javax.annotation.PostConstruct;
import javax.annotation.Resource;
import java.util.concurrent.Executor;
import java.util.logging.Logger;
/**
* The task resource starts a background task on initialization.
* intervals.
*/
public class TaskResource {
private static final L10N L = new L10N(TaskResource.class);
private static final Logger log
= Logger.getLogger(TaskResource.class.getName());
@Resource
private Executor _executor;
private Runnable _work;
/**
* Sets the work task.
*/
public void setWork(Runnable work)
{
_work = work;
}
/**
* Initialization.
*/
@PostConstruct
public void init()
throws ConfigException
{
if (_work == null)
throw new ConfigException(L.l("TaskResource needs a <work> task."));
}
/**
* Starting.
*/
public void start()
{
_executor.execute(_work);
}
}