1 /*
2 * Copyright (C) 2011, Google Inc.
3 * and other copyright owners as documented in the project's IP log.
4 *
5 * This program and the accompanying materials are made available
6 * under the terms of the Eclipse Distribution License v1.0 which
7 * accompanies this distribution, is reproduced below, and is
8 * available at http://www.eclipse.org/org/documents/edl-v10.php
9 *
10 * All rights reserved.
11 *
12 * Redistribution and use in source and binary forms, with or
13 * without modification, are permitted provided that the following
14 * conditions are met:
15 *
16 * - Redistributions of source code must retain the above copyright
17 * notice, this list of conditions and the following disclaimer.
18 *
19 * - Redistributions in binary form must reproduce the above
20 * copyright notice, this list of conditions and the following
21 * disclaimer in the documentation and/or other materials provided
22 * with the distribution.
23 *
24 * - Neither the name of the Eclipse Foundation, Inc. nor the
25 * names of its contributors may be used to endorse or promote
26 * products derived from this software without specific prior
27 * written permission.
28 *
29 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
30 * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
31 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
32 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
33 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
34 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
35 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
36 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
37 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
38 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
39 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
40 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
41 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
42 */
43
44 package org.eclipse.jgit.internal.storage.dfs;
45
46 import org.eclipse.jgit.internal.storage.pack.StoredObjectRepresentation;
47 import org.eclipse.jgit.lib.ObjectId;
48
49 class DfsObjectRepresentation extends StoredObjectRepresentation {
50 final DfsPackFile pack;
51 int format;
52 long offset;
53 long length;
54 ObjectId baseId;
55
56 DfsObjectRepresentation(DfsPackFile pack) {
57 this.pack = pack;
58 }
59
60 /** {@inheritDoc} */
61 @Override
62 public int getFormat() {
63 return format;
64 }
65
66 /** {@inheritDoc} */
67 @Override
68 public int getWeight() {
69 return (int) Math.min(length, Integer.MAX_VALUE);
70 }
71
72 /** {@inheritDoc} */
73 @Override
74 public ObjectId getDeltaBase() {
75 return baseId;
76 }
77
78 /** {@inheritDoc} */
79 @Override
80 public boolean wasDeltaAttempted() {
81 switch (pack.getPackDescription().getPackSource()) {
82 case GC:
83 case GC_REST:
84 case GC_TXN:
85 return true;
86 default:
87 return false;
88 }
89 }
90 }