| /* |
| * 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.jackrabbit.oak.segment.file.tar.index; |
| |
| import org.apache.jackrabbit.oak.segment.spi.persistence.SegmentArchiveEntry; |
| |
| import java.util.Comparator; |
| |
| /** |
| * An entry in the index of entries of a TAR file. |
| */ |
| public interface IndexEntry extends SegmentArchiveEntry { |
| |
| /** |
| * Return the most significant bits of the identifier of this entry. |
| * |
| * @return the most significant bits of the identifier of this entry. |
| */ |
| long getMsb(); |
| |
| /** |
| * Return the least significant bits of the identifier of this entry. |
| * |
| * @return the least significant bits of the identifier of this entry. |
| */ |
| long getLsb(); |
| |
| /** |
| * Return the position of this entry in the TAR file. |
| * |
| * @return the position of this entry in the TAR file. |
| */ |
| int getPosition(); |
| |
| /** |
| * Return the length of this entry in the TAR file. |
| * |
| * @return the length of this entry in the TAR file. |
| */ |
| int getLength(); |
| |
| /** |
| * Return the generation of this entry. |
| * |
| * @return the generation of this entry. |
| */ |
| int getGeneration(); |
| |
| /** |
| * Return the full generation of this entry. |
| * |
| * @return the full generation of this entry. |
| */ |
| int getFullGeneration(); |
| |
| /** |
| * Return {@code true} if this entry was generated by a compaction operation. |
| * |
| * @return {@code true} if this entry was generated by a compaction operation. |
| */ |
| boolean isCompacted(); |
| |
| Comparator<IndexEntry> POSITION_ORDER = new Comparator<IndexEntry>() { |
| @Override |
| public int compare(IndexEntry a, IndexEntry b) { |
| if (a.getPosition() > b.getPosition()) { |
| return 1; |
| } else if (a.getPosition() < b.getPosition()) { |
| return -1; |
| } else { |
| return 0; |
| } |
| } |
| }; |
| } |