| /* |
| * Copyright (C) 2011, Google Inc. |
| * and other copyright owners as documented in the project's IP log. |
| * |
| * This program and the accompanying materials are made available |
| * under the terms of the Eclipse Distribution License v1.0 which |
| * accompanies this distribution, is reproduced below, and is |
| * available at http://www.eclipse.org/org/documents/edl-v10.php |
| * |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or |
| * without modification, are permitted provided that the following |
| * conditions are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * - Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer in the documentation and/or other materials provided |
| * with the distribution. |
| * |
| * - Neither the name of the Eclipse Foundation, Inc. nor the |
| * names of its contributors may be used to endorse or promote |
| * products derived from this software without specific prior |
| * written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND |
| * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, |
| * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
| * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| package org.eclipse.jgit.storage.dht; |
| |
| import java.util.Collections; |
| import java.util.Comparator; |
| import java.util.Date; |
| import java.util.List; |
| |
| import org.eclipse.jgit.generated.storage.dht.proto.GitStore; |
| import org.eclipse.jgit.lib.ObjectId; |
| |
| /** Connects an object to the chunk it is stored in. */ |
| public class ObjectInfo { |
| /** Orders ObjectInfo by their time member, oldest first. */ |
| public static final Comparator<ObjectInfo> BY_TIME = new Comparator<ObjectInfo>() { |
| public int compare(ObjectInfo a, ObjectInfo b) { |
| return Long.signum(a.getTime() - b.getTime()); |
| } |
| }; |
| |
| /** |
| * Sort the info list according to time, oldest member first. |
| * |
| * @param toSort |
| * list to sort. |
| */ |
| public static void sort(List<ObjectInfo> toSort) { |
| Collections.sort(toSort, BY_TIME); |
| } |
| |
| private final ChunkKey chunk; |
| |
| private final long time; |
| |
| private final GitStore.ObjectInfo data; |
| |
| /** |
| * Wrap an ObjectInfo from the storage system. |
| * |
| * @param chunkKey |
| * the chunk the object points to. |
| * @param data |
| * the data of the ObjectInfo. |
| */ |
| public ObjectInfo(ChunkKey chunkKey, GitStore.ObjectInfo data) { |
| this.chunk = chunkKey; |
| this.time = 0; |
| this.data = data; |
| } |
| |
| /** |
| * Wrap an ObjectInfo from the storage system. |
| * |
| * @param chunkKey |
| * the chunk the object points to. |
| * @param time |
| * timestamp of the ObjectInfo. |
| * @param data |
| * the data of the ObjectInfo. |
| */ |
| public ObjectInfo(ChunkKey chunkKey, long time, GitStore.ObjectInfo data) { |
| this.chunk = chunkKey; |
| this.time = time < 0 ? 0 : time; |
| this.data = data; |
| } |
| |
| /** @return the chunk this link points to. */ |
| public ChunkKey getChunkKey() { |
| return chunk; |
| } |
| |
| /** @return approximate time the object was created, in milliseconds. */ |
| public long getTime() { |
| return time; |
| } |
| |
| /** @return GitStore.ObjectInfo to embed in the database. */ |
| public GitStore.ObjectInfo getData() { |
| return data; |
| } |
| |
| /** @return type of the object, in OBJ_* constants. */ |
| public int getType() { |
| return data.getObjectType().getNumber(); |
| } |
| |
| /** @return size of the object when fully inflated. */ |
| public long getSize() { |
| return data.getInflatedSize(); |
| } |
| |
| /** @return true if the object storage uses delta compression. */ |
| public boolean isDelta() { |
| return data.hasDeltaBase(); |
| } |
| |
| /** @return true if the object has been fragmented across chunks. */ |
| public boolean isFragmented() { |
| return data.getIsFragmented(); |
| } |
| |
| int getOffset() { |
| return data.getOffset(); |
| } |
| |
| long getPackedSize() { |
| return data.getPackedSize(); |
| } |
| |
| ObjectId getDeltaBase() { |
| if (data.hasDeltaBase()) |
| return ObjectId.fromRaw(data.getDeltaBase().toByteArray(), 0); |
| return null; |
| } |
| |
| @Override |
| public String toString() { |
| StringBuilder b = new StringBuilder(); |
| b.append("ObjectInfo:"); |
| b.append(chunk); |
| if (0 < time) |
| b.append(" @ ").append(new Date(time)); |
| b.append("\n"); |
| b.append(data.toString()); |
| return b.toString(); |
| } |
| } |