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 static org.nuxeo.elasticsearch.ElasticSearchConstants.INDEXING_QUEUE_ID;
023
024import org.nuxeo.ecm.core.work.AbstractWork;
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}