001/* 002 * (C) Copyright 2014 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 * Nuxeo 016 */ 017 018package org.nuxeo.elasticsearch.work; 019 020import org.nuxeo.ecm.core.work.AbstractWork; 021 022import static org.nuxeo.elasticsearch.ElasticSearchConstants.INDEXING_QUEUE_ID; 023 024/** 025 * Abstract class for sharing the worker state 026 */ 027public abstract class BaseIndexingWorker extends AbstractWork { 028 029 private static final long serialVersionUID = 1L; 030 031 @Override 032 public String getCategory() { 033 return INDEXING_QUEUE_ID; 034 } 035 036 @Override 037 public int getRetryCount() { 038 // even read-only threads may encounter concurrent update exceptions 039 // when trying to read a previously deleted complex property 040 // due to read committed semantics, cf NXP-17384 041 return 1; 042 } 043 044 @Override 045 public void work() { 046 doWork(); 047 } 048 049 protected abstract void doWork(); 050 051}