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1   /*
2    * Copyright (C) 2010, Google Inc. and others
3    *
4    * This program and the accompanying materials are made available under the
5    * terms of the Eclipse Distribution License v. 1.0 which is available at
6    * https://www.eclipse.org/org/documents/edl-v10.php.
7    *
8    * SPDX-License-Identifier: BSD-3-Clause
9    */
10  
11  package org.eclipse.jgit.internal.storage.file;
12  
13  import java.io.File;
14  import java.io.IOException;
15  import java.util.Collection;
16  import java.util.Set;
17  
18  import org.eclipse.jgit.internal.storage.pack.ObjectToPack;
19  import org.eclipse.jgit.internal.storage.pack.PackWriter;
20  import org.eclipse.jgit.lib.AbbreviatedObjectId;
21  import org.eclipse.jgit.lib.AnyObjectId;
22  import org.eclipse.jgit.lib.Config;
23  import org.eclipse.jgit.lib.ObjectDatabase;
24  import org.eclipse.jgit.lib.ObjectId;
25  import org.eclipse.jgit.lib.ObjectLoader;
26  import org.eclipse.jgit.lib.ObjectReader;
27  import org.eclipse.jgit.util.FS;
28  
29  abstract class FileObjectDatabase extends ObjectDatabase {
30  	enum InsertLooseObjectResult {
31  		INSERTED, EXISTS_PACKED, EXISTS_LOOSE, FAILURE;
32  	}
33  
34  	/** {@inheritDoc} */
35  	@Override
36  	public ObjectReader newReader() {
37  		return new WindowCursor(this);
38  	}
39  
40  	/** {@inheritDoc} */
41  	@Override
42  	public ObjectDirectoryInserter newInserter() {
43  		return new ObjectDirectoryInserter(this, getConfig());
44  	}
45  
46  	abstract void resolve(Set<ObjectId> matches, AbbreviatedObjectId id)
47  			throws IOException;
48  
49  	abstract Config getConfig();
50  
51  	abstract FS getFS();
52  
53  	abstract Set<ObjectId> getShallowCommits() throws IOException;
54  
55  	abstract void selectObjectRepresentation(PackWriter packer,
56  			ObjectToPack otp, WindowCursor curs) throws IOException;
57  
58  	abstract File getDirectory();
59  
60  	abstract File fileFor(AnyObjectId id);
61  
62  	abstract ObjectLoader openObject(WindowCursor curs, AnyObjectId objectId)
63  			throws IOException;
64  
65  	abstract long getObjectSize(WindowCursor curs, AnyObjectId objectId)
66  			throws IOException;
67  
68  	abstract ObjectLoader openLooseObject(WindowCursor curs, AnyObjectId id)
69  			throws IOException;
70  
71  	abstract InsertLooseObjectResult insertUnpackedObject(File tmp,
72  			ObjectId id, boolean createDuplicate) throws IOException;
73  
74  	abstract Pack openPack(File pack) throws IOException;
75  
76  	abstract Collection<Pack> getPacks();
77  }