001/* 002 * (C) Copyright 2013 Nuxeo SA (http://nuxeo.com/) and others. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 * 016 * Contributors: 017 * Florent Guillaume 018 */ 019package org.nuxeo.ecm.core.work; 020 021import java.util.concurrent.ThreadPoolExecutor; 022 023import org.nuxeo.ecm.core.work.api.Work; 024import org.nuxeo.runtime.trackers.concurrent.ThreadEvent; 025 026/** 027 * A {@link WorkHolder} adapts a {@link Work} to {@link Runnable} for queuing and execution by a 028 * {@link ThreadPoolExecutor}. 029 * <p> 030 * Calls (indirectly) {@link Work#work} and {@link Work#cleanUp}. 031 * 032 * @see Work 033 * @see Work#work 034 * @see Work#cleanUp 035 * @see AbstractWork 036 * @since 5.8 037 */ 038public class WorkHolder implements Runnable { 039 040 private final Work work; 041 042 public WorkHolder(Work work) { 043 this.work = work; 044 } 045 046 public static Work getWork(Runnable r) { 047 return ((WorkHolder) r).work; 048 } 049 050 @Override 051 public void run() { 052 ThreadEvent.onEnter(this, false).send(); 053 try { 054 work.run(); 055 } finally { 056 ThreadEvent.onLeave(this).send(); 057 } 058 } 059 060}