| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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.apache.lucene.index; |
| |
| import java.io.IOException; |
| import java.util.Map; |
| |
| import org.apache.lucene.util.IOSupplier; |
| |
| /** |
| * A wrapper for {@link MergePolicy} instances. |
| * |
| * @lucene.experimental |
| */ |
| public class FilterMergePolicy extends MergePolicy { |
| |
| /** The wrapped {@link MergePolicy}. */ |
| protected final MergePolicy in; |
| |
| /** |
| * Creates a new filter merge policy instance wrapping another. |
| * |
| * @param in the wrapped {@link MergePolicy} |
| */ |
| public FilterMergePolicy(MergePolicy in) { |
| this.in = in; |
| } |
| |
| @Override |
| public MergeSpecification findMerges(MergeTrigger mergeTrigger, SegmentInfos segmentInfos, MergeContext mergeContext) |
| throws IOException { |
| return in.findMerges(mergeTrigger, segmentInfos, mergeContext); |
| } |
| |
| @Override |
| public MergeSpecification findForcedMerges(SegmentInfos segmentInfos, int maxSegmentCount, |
| Map<SegmentCommitInfo,Boolean> segmentsToMerge, MergeContext mergeContext) throws IOException { |
| return in.findForcedMerges(segmentInfos, maxSegmentCount, segmentsToMerge, mergeContext); |
| } |
| |
| @Override |
| public MergeSpecification findForcedDeletesMerges(SegmentInfos segmentInfos, MergeContext mergeContext) throws IOException { |
| return in.findForcedDeletesMerges(segmentInfos, mergeContext); |
| } |
| |
| @Override |
| public MergeSpecification findFullFlushMerges(MergeTrigger mergeTrigger, SegmentInfos segmentInfos, MergeContext mergeContext) throws IOException { |
| return in.findFullFlushMerges(mergeTrigger, segmentInfos, mergeContext); |
| } |
| |
| @Override |
| public boolean useCompoundFile(SegmentInfos infos, SegmentCommitInfo mergedInfo, MergeContext mergeContext) |
| throws IOException { |
| return in.useCompoundFile(infos, mergedInfo, mergeContext); |
| } |
| |
| @Override |
| protected long size(SegmentCommitInfo info, MergeContext context) throws IOException { |
| return in.size(info, context); |
| } |
| |
| @Override |
| public double getNoCFSRatio() { |
| return in.getNoCFSRatio(); |
| } |
| |
| @Override |
| public final void setNoCFSRatio(double noCFSRatio) { |
| in.setNoCFSRatio(noCFSRatio); |
| } |
| |
| @Override |
| public final void setMaxCFSSegmentSizeMB(double v) { |
| in.setMaxCFSSegmentSizeMB(v); |
| } |
| |
| @Override |
| public final double getMaxCFSSegmentSizeMB() { |
| return in.getMaxCFSSegmentSizeMB(); |
| } |
| |
| @Override |
| public String toString() { |
| return getClass().getSimpleName() + "(" + in + ")"; |
| } |
| |
| @Override |
| public boolean keepFullyDeletedSegment(IOSupplier<CodecReader> readerIOSupplier) throws IOException { |
| return in.keepFullyDeletedSegment(readerIOSupplier); |
| } |
| |
| @Override |
| public int numDeletesToMerge(SegmentCommitInfo info, int delCount, |
| IOSupplier<CodecReader> readerSupplier) throws IOException { |
| return in.numDeletesToMerge(info, delCount, readerSupplier); |
| } |
| } |