| /* |
| * 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.codecs.asserting; |
| |
| import java.io.IOException; |
| import java.util.Collection; |
| |
| import org.apache.lucene.codecs.LiveDocsFormat; |
| import org.apache.lucene.index.SegmentCommitInfo; |
| import org.apache.lucene.store.Directory; |
| import org.apache.lucene.store.IOContext; |
| import org.apache.lucene.util.Bits; |
| import org.apache.lucene.util.TestUtil; |
| |
| /** |
| * Just like the default live docs format but with additional asserts. |
| */ |
| public class AssertingLiveDocsFormat extends LiveDocsFormat { |
| private final LiveDocsFormat in = TestUtil.getDefaultCodec().liveDocsFormat(); |
| |
| @Override |
| public Bits readLiveDocs(Directory dir, SegmentCommitInfo info, IOContext context) throws IOException { |
| Bits raw = in.readLiveDocs(dir, info, context); |
| assert raw != null; |
| check(raw, info.info.maxDoc(), info.getDelCount()); |
| return new AssertingBits(raw); |
| } |
| |
| @Override |
| public void writeLiveDocs(Bits bits, Directory dir, SegmentCommitInfo info, int newDelCount, IOContext context) throws IOException { |
| check(bits, info.info.maxDoc(), info.getDelCount() + newDelCount); |
| in.writeLiveDocs(bits, dir, info, newDelCount, context); |
| } |
| |
| private void check(Bits bits, int expectedLength, int expectedDeleteCount) { |
| assert bits.length() == expectedLength; |
| int deletedCount = 0; |
| for (int i = 0; i < bits.length(); i++) { |
| if (!bits.get(i)) { |
| deletedCount++; |
| } |
| } |
| assert deletedCount == expectedDeleteCount : "deleted: " + deletedCount + " != expected: " + expectedDeleteCount; |
| } |
| |
| @Override |
| public void files(SegmentCommitInfo info, Collection<String> files) throws IOException { |
| in.files(info, files); |
| } |
| |
| @Override |
| public String toString() { |
| return "Asserting(" + in + ")"; |
| } |
| |
| static class AssertingBits implements Bits { |
| final Bits in; |
| |
| AssertingBits(Bits in) { |
| this.in = in; |
| assert in.length() >= 0; |
| } |
| |
| @Override |
| public boolean get(int index) { |
| assert index >= 0; |
| assert index < in.length() : "index=" + index + " vs in.length()=" + in.length(); |
| return in.get(index); |
| } |
| |
| @Override |
| public int length() { |
| return in.length(); |
| } |
| |
| @Override |
| public String toString() { |
| return "Asserting(" + in + ")"; |
| } |
| } |
| } |