/*
* Copyright 2004-2009 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.compass.core.lucene.engine.merge.scheduler;
import org.apache.lucene.index.ConcurrentMergeScheduler;
import org.apache.lucene.index.MergeScheduler;
import org.compass.core.config.CompassSettings;
import org.compass.core.engine.SearchEngineException;
import org.compass.core.lucene.LuceneEnvironment;
import org.compass.core.lucene.engine.manager.LuceneSearchEngineIndexManager;
/**
* A provider for Lucene {@link org.apache.lucene.index.ConcurrentMergeScheduler} allowing to configure
* using {@link org.compass.core.lucene.LuceneEnvironment.MergeScheduler.Concurrent}.
*
* @author kimchy
*/
public class ConcurrentMergeSchedulerProvider implements MergeSchedulerProvider {
/**
* Returns Lucene {@link org.apache.lucene.index.ConcurrentMergeScheduler} allowing to configure
* using {@link org.compass.core.lucene.LuceneEnvironment.MergeScheduler.Concurrent}.
*/
public MergeScheduler create(LuceneSearchEngineIndexManager indexManager, CompassSettings settings) throws SearchEngineException {
ConcurrentMergeScheduler mergeScheduler = new ConcurrentMergeScheduler();
mergeScheduler.setMaxThreadCount(settings.getSettingAsInt(LuceneEnvironment.MergeScheduler.Concurrent.MAX_THREAD_COUNT, 3));
mergeScheduler.setMergeThreadPriority(settings.getSettingAsInt(LuceneEnvironment.MergeScheduler.Concurrent.THREAD_PRIORITY, Thread.NORM_PRIORITY));
return mergeScheduler;
}
}