01: /*
02: * Copyright 2004-2006 the original author or authors.
03: *
04: * Licensed under the Apache License, Version 2.0 (the "License");
05: * you may not use this file except in compliance with the License.
06: * You may obtain a copy of the License at
07: *
08: * http://www.apache.org/licenses/LICENSE-2.0
09: *
10: * Unless required by applicable law or agreed to in writing, software
11: * distributed under the License is distributed on an "AS IS" BASIS,
12: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13: * See the License for the specific language governing permissions and
14: * limitations under the License.
15: */
16:
17: package org.compass.core.lucene.engine.merge.scheduler;
18:
19: import org.apache.lucene.index.ConcurrentMergeScheduler;
20: import org.apache.lucene.index.MergeScheduler;
21: import org.compass.core.config.CompassSettings;
22: import org.compass.core.engine.SearchEngineException;
23: import org.compass.core.lucene.LuceneEnvironment;
24: import org.compass.core.lucene.engine.manager.LuceneSearchEngineIndexManager;
25:
26: /**
27: * A provider for Lucene {@link org.apache.lucene.index.ConcurrentMergeScheduler} allowing to configure
28: * using {@link org.compass.core.lucene.LuceneEnvironment.MergeScheduler.Concurrent}.
29: *
30: * @author kimchy
31: */
32: public class ConcurrentMergeSchedulerProvider implements
33: MergeSchedulerProvider {
34:
35: /**
36: * Returns Lucene {@link org.apache.lucene.index.ConcurrentMergeScheduler} allowing to configure
37: * using {@link org.compass.core.lucene.LuceneEnvironment.MergeScheduler.Concurrent}.
38: */
39: public MergeScheduler create(
40: LuceneSearchEngineIndexManager indexManager,
41: CompassSettings settings) throws SearchEngineException {
42: ConcurrentMergeScheduler mergeScheduler = new ConcurrentMergeScheduler();
43: mergeScheduler
44: .setMaxThreadCount(settings
45: .getSettingAsInt(
46: LuceneEnvironment.MergeScheduler.Concurrent.MAX_THREAD_COUNT,
47: 3));
48: mergeScheduler
49: .setMergeThreadPriority(settings
50: .getSettingAsInt(
51: LuceneEnvironment.MergeScheduler.Concurrent.THREAD_PRIORITY,
52: Thread.NORM_PRIORITY));
53: return mergeScheduler;
54: }
55: }
|