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.optimizer;
18:
19: import java.io.IOException;
20:
21: import org.apache.lucene.index.LuceneSubIndexInfo;
22: import org.compass.core.engine.SearchEngineException;
23: import org.compass.core.lucene.engine.manager.LuceneSearchEngineIndexManager;
24:
25: /**
26: * @author kimchy
27: */
28: public abstract class AbstractIndexInfoOptimizer extends
29: AbstractOptimizer {
30:
31: protected void doOptimize(String subIndex)
32: throws SearchEngineException {
33: LuceneSearchEngineIndexManager indexManager = getSearchEngineFactory()
34: .getLuceneIndexManager();
35: LuceneSubIndexInfo indexInfo;
36: try {
37: indexInfo = LuceneSubIndexInfo.getIndexInfo(subIndex,
38: indexManager);
39: } catch (IOException e) {
40: throw new SearchEngineException(
41: "Failed to read index info for sub index ["
42: + subIndex + "]", e);
43: }
44: if (indexInfo == null) {
45: // no index data, simply continue
46: return;
47: }
48: if (!isRunning()) {
49: return;
50: }
51: doOptimize(subIndex, indexInfo);
52: }
53:
54: protected abstract void doOptimize(String subIndex,
55: LuceneSubIndexInfo indexInfo) throws SearchEngineException;
56: }
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