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package org.apache.lucene.benchmark.byTask.tasks;
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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import org.apache.lucene.benchmark.byTask.PerfRunData;
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import org.apache.lucene.index.IndexWriter;
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* Runs forceMerge on the index.
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* <br>Other side effects: none.
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public class ForceMergeTask extends PerfTask {
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public ForceMergeTask(PerfRunData runData) {
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int maxNumSegments = -1;
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public int doLogic() throws Exception {
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if (maxNumSegments == -1) {
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throw new IllegalStateException("required argument (maxNumSegments) was not specified");
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IndexWriter iw = getRunData().getIndexWriter();
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iw.forceMerge(maxNumSegments);
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//System.out.println("forceMerge called");
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public void setParams(String params) {
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super.setParams(params);
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maxNumSegments = Double.valueOf(params).intValue();
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public boolean supportsParams() {