001/* 002 * (C) Copyright 2016 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 */ 017package org.nuxeo.ecm.platform.importer.queue; 018 019import java.util.concurrent.atomic.AtomicLong; 020 021/** 022 * @since 8.3 023 */ 024public abstract class AbstractTaskRunner implements TaskRunner { 025 026 protected volatile boolean completed = false; 027 028 protected volatile Exception error; 029 030 protected final AtomicLong nbProcessed = new AtomicLong(0); 031 032 protected volatile boolean mustStop; 033 034 protected volatile boolean canStop; 035 036 protected volatile boolean started = false; 037 038 039 protected void incrementProcessed() { 040 nbProcessed.incrementAndGet(); 041 } 042 043 @Override 044 public boolean isCompleted() { 045 return completed; 046 } 047 048 @Override 049 public boolean isTerminated() { 050 return !started || (completed || getError() != null); 051 } 052 053 @Override 054 public Exception getError() { 055 return error; 056 } 057 058 @Override 059 public long getNbProcessed() { 060 return nbProcessed.get(); 061 } 062 063 @Override 064 public void mustStop() { 065 canStop = true; 066 mustStop = true; 067 started = false; 068 } 069 070 @Override 071 public void canStop() { 072 canStop = true; 073 } 074 075}