001/*
002 * (C) Copyright 2017 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 *     bdelbosc
018 */
019
020package org.nuxeo.ecm.platform.importer.mqueues.workmanager;
021
022import org.apache.commons.logging.Log;
023import org.apache.commons.logging.LogFactory;
024import org.nuxeo.ecm.platform.importer.mqueues.chronicle.ChronicleConfig;
025import org.nuxeo.ecm.platform.importer.mqueues.computation.Record;
026import org.nuxeo.ecm.platform.importer.mqueues.mqueues.MQManager;
027import org.nuxeo.ecm.platform.importer.mqueues.mqueues.chronicle.ChronicleMQManager;
028
029import java.nio.file.Path;
030
031
032/**
033 * @since 9.2
034 */
035public class WorkManagerComputationChronicle extends WorkManagerComputation {
036    protected static final Log log = LogFactory.getLog(WorkManagerComputationChronicle.class);
037
038    @Override
039    protected MQManager<Record> initStream() {
040        Path basePath = ChronicleConfig.getBasePath("work");
041        String retentionDuration = ChronicleConfig.getRetentionDuration();
042        log.info("Init WorkManagerComputation using Chronicle MQueue impl, basePath: " + basePath
043                + " and retention duration: " + retentionDuration);
044        return new ChronicleMQManager<>(basePath, retentionDuration);
045    }
046
047    @Override
048    protected int getOverProvisioningFactor() {
049        // Chronicle is for single node mode so we don't over provision partitions
050        return 1;
051    }
052}