001/* 002 * (C) Copyright 2013 Nuxeo SA (http://nuxeo.com/) and contributors. 003 * 004 * All rights reserved. This program and the accompanying materials 005 * are made available under the terms of the GNU Lesser General Public License 006 * (LGPL) version 2.1 which accompanies this distribution, and is available at 007 * http://www.gnu.org/licenses/lgpl-2.1.html 008 * 009 * This library is distributed in the hope that it will be useful, 010 * but WITHOUT ANY WARRANTY; without even the implied warranty of 011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 012 * Lesser General Public License for more details. 013 * 014 * Contributors: 015 * Florent Guillaume 016 */ 017package org.nuxeo.ecm.core.work; 018 019import java.util.concurrent.ThreadPoolExecutor; 020 021import org.nuxeo.ecm.core.work.api.Work; 022import org.nuxeo.runtime.trackers.concurrent.ThreadEvent; 023 024/** 025 * A {@link WorkHolder} adapts a {@link Work} to {@link Runnable} for queuing and execution by a 026 * {@link ThreadPoolExecutor}. 027 * <p> 028 * Calls (indirectly) {@link Work#work} and {@link Work#cleanUp}. 029 * 030 * @see Work 031 * @see Work#work 032 * @see Work#cleanUp 033 * @see AbstractWork 034 * @since 5.8 035 */ 036public class WorkHolder implements Runnable { 037 038 private final Work work; 039 040 public WorkHolder(Work work) { 041 this.work = work; 042 } 043 044 public static Work getWork(Runnable r) { 045 return ((WorkHolder) r).work; 046 } 047 048 @Override 049 public void run() { 050 ThreadEvent.onEnter(this, false).send(); 051 try { 052 work.run(); 053 } finally { 054 ThreadEvent.onLeave(this).send(); 055 } 056 } 057 058}