001/* 002 * (C) Copyright 2014 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 * Nuxeo 018 */ 019 020package org.nuxeo.elasticsearch.work; 021 022import org.nuxeo.ecm.core.work.AbstractWork; 023 024import static org.nuxeo.elasticsearch.ElasticSearchConstants.INDEXING_QUEUE_ID; 025 026/** 027 * Abstract class for sharing the worker state 028 */ 029public abstract class BaseIndexingWorker extends AbstractWork { 030 031 private static final long serialVersionUID = 1L; 032 033 @Override 034 public String getCategory() { 035 return INDEXING_QUEUE_ID; 036 } 037 038 @Override 039 public int getRetryCount() { 040 // even read-only threads may encounter concurrent update exceptions 041 // when trying to read a previously deleted complex property 042 // due to read committed semantics, cf NXP-17384 043 return 1; 044 } 045 046 @Override 047 public void work() { 048 doWork(); 049 } 050 051 protected abstract void doWork(); 052 053}