Mercurial > hg4j
annotate src/org/tmatesoft/hg/util/ByteChannel.java @ 598:d29d9dc6c128
Utilize the fact nodeids are very different and are read anyway to speed up reverse lookup
author | Artem Tikhomirov <tikhomirov.artem@gmail.com> |
---|---|
date | Fri, 03 May 2013 15:19:18 +0200 |
parents | 1a7a9a20e1f9 |
children |
rev | line source |
---|---|
115
c0cc2535462c
Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
1 /* |
c0cc2535462c
Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
2 * Copyright (c) 2011 TMate Software Ltd |
c0cc2535462c
Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
3 * |
c0cc2535462c
Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
4 * This program is free software; you can redistribute it and/or modify |
c0cc2535462c
Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
5 * it under the terms of the GNU General Public License as published by |
c0cc2535462c
Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
6 * the Free Software Foundation; version 2 of the License. |
c0cc2535462c
Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
7 * |
c0cc2535462c
Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
8 * This program is distributed in the hope that it will be useful, |
c0cc2535462c
Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
c0cc2535462c
Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
c0cc2535462c
Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
11 * GNU General Public License for more details. |
c0cc2535462c
Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
12 * |
c0cc2535462c
Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
13 * For information on how to redistribute this software under |
c0cc2535462c
Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
14 * the terms of a license other than GNU General Public License |
130
7567f4a42fe5
Correct contact address
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
115
diff
changeset
|
15 * contact TMate Software at support@hg4j.com |
115
c0cc2535462c
Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
16 */ |
c0cc2535462c
Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
17 package org.tmatesoft.hg.util; |
c0cc2535462c
Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
18 |
148
1a7a9a20e1f9
Exceptions, javadoc. Initial cancel and progress support
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
130
diff
changeset
|
19 import java.io.IOException; |
115
c0cc2535462c
Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
20 import java.nio.ByteBuffer; |
c0cc2535462c
Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
21 |
c0cc2535462c
Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
22 /** |
c0cc2535462c
Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
23 * Much like {@link java.nio.channels.WritableByteChannel} except for thrown exception |
c0cc2535462c
Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
24 * |
c0cc2535462c
Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
25 * XXX Perhaps, we'll add CharChannel in the future to deal with character conversions/encodings |
c0cc2535462c
Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
26 * |
c0cc2535462c
Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
27 * @author Artem Tikhomirov |
c0cc2535462c
Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
28 * @author TMate Software Ltd. |
c0cc2535462c
Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
29 */ |
c0cc2535462c
Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
30 public interface ByteChannel { |
c0cc2535462c
Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
31 // XXX does int return value makes any sense given buffer keeps its read state |
c0cc2535462c
Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
32 // not clear what retvalue should be in case some filtering happened inside write - i.e. return |
c0cc2535462c
Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
33 // number of bytes consumed in |
148
1a7a9a20e1f9
Exceptions, javadoc. Initial cancel and progress support
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
130
diff
changeset
|
34 int write(ByteBuffer buffer) throws IOException, CancelledException; |
115
c0cc2535462c
Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
35 } |