| /* |
| * 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.dfs; |
| |
| import static org.eclipse.jgit.storage.dfs.DfsObjDatabase.PackSource.GC; |
| import static org.eclipse.jgit.storage.dfs.DfsObjDatabase.PackSource.UNREACHABLE_GARBAGE; |
| |
| import org.eclipse.jgit.lib.ObjectId; |
| import org.eclipse.jgit.storage.dfs.DfsObjDatabase.PackSource; |
| import org.eclipse.jgit.storage.pack.ObjectToPack; |
| import org.eclipse.jgit.storage.pack.StoredObjectRepresentation; |
| |
| class DfsObjectRepresentation extends StoredObjectRepresentation { |
| final ObjectToPack object; |
| |
| DfsPackFile pack; |
| |
| /** |
| * Position of {@link #pack} in the reader's pack list. Lower numbers are |
| * newer/more recent packs and less likely to contain the best format for a |
| * base object. Higher numbered packs are bigger, more stable, and favored |
| * by PackWriter when selecting representations... but only if they come |
| * last in the representation ordering. |
| */ |
| int packIndex; |
| |
| long offset; |
| |
| int format; |
| |
| long length; |
| |
| ObjectId baseId; |
| |
| DfsObjectRepresentation(ObjectToPack object) { |
| this.object = object; |
| } |
| |
| @Override |
| public int getFormat() { |
| return format; |
| } |
| |
| @Override |
| public int getWeight() { |
| return (int) Math.min(length, Integer.MAX_VALUE); |
| } |
| |
| @Override |
| public ObjectId getDeltaBase() { |
| return baseId; |
| } |
| |
| @Override |
| public boolean wasDeltaAttempted() { |
| if (pack != null) { |
| PackSource source = pack.getPackDescription().getPackSource(); |
| return source == GC || source == UNREACHABLE_GARBAGE; |
| } |
| return false; |
| } |
| } |