| package org.apache.lucene.codecs; |
| |
| /* |
| * 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. |
| */ |
| |
| import java.io.IOException; |
| import java.util.Collection; |
| |
| 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.MutableBits; |
| |
| /** Format for live/deleted documents |
| * @lucene.experimental */ |
| public abstract class LiveDocsFormat { |
| |
| /** Sole constructor. (For invocation by subclass |
| * constructors, typically implicit.) */ |
| protected LiveDocsFormat() { |
| } |
| |
| /** Creates a new MutableBits, with all bits set, for the specified size. */ |
| public abstract MutableBits newLiveDocs(int size) throws IOException; |
| |
| /** Creates a new mutablebits of the same bits set and size of existing. */ |
| public abstract MutableBits newLiveDocs(Bits existing) throws IOException; |
| |
| /** Read live docs bits. */ |
| public abstract Bits readLiveDocs(Directory dir, SegmentCommitInfo info, IOContext context) throws IOException; |
| |
| /** Persist live docs bits. Use {@link |
| * SegmentCommitInfo#getNextDelGen} to determine the |
| * generation of the deletes file you should write to. */ |
| public abstract void writeLiveDocs(MutableBits bits, Directory dir, SegmentCommitInfo info, int newDelCount, IOContext context) throws IOException; |
| |
| /** Records all files in use by this {@link SegmentCommitInfo} into the files argument. */ |
| public abstract void files(SegmentCommitInfo info, Collection<String> files) throws IOException; |
| } |