annotate src/org/tmatesoft/hg/internal/Pool.java @ 706:cd5c87d96315

Merge: tests for mediator notifications
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Fri, 16 Aug 2013 14:54:09 +0200 (2013-08-16)
parents 12f668401613
children
rev   line source
195
c9b305df0b89 Optimization: use ParentWalker to get changeset's parents, if possible. Do not keep duplicating nodeids and strings in manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
1 /*
431
12f668401613 FIXMEs: awkward API refactored, what need to be internal got hidden; public aspects got captured in slim interfaces
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 264
diff changeset
2 * Copyright (c) 2011-2012 TMate Software Ltd
195
c9b305df0b89 Optimization: use ParentWalker to get changeset's parents, if possible. Do not keep duplicating nodeids and strings in manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
3 *
c9b305df0b89 Optimization: use ParentWalker to get changeset's parents, if possible. Do not keep duplicating nodeids and strings in manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
4 * This program is free software; you can redistribute it and/or modify
c9b305df0b89 Optimization: use ParentWalker to get changeset's parents, if possible. Do not keep duplicating nodeids and strings in manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
5 * it under the terms of the GNU General Public License as published by
c9b305df0b89 Optimization: use ParentWalker to get changeset's parents, if possible. Do not keep duplicating nodeids and strings in manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
6 * the Free Software Foundation; version 2 of the License.
c9b305df0b89 Optimization: use ParentWalker to get changeset's parents, if possible. Do not keep duplicating nodeids and strings in manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
7 *
c9b305df0b89 Optimization: use ParentWalker to get changeset's parents, if possible. Do not keep duplicating nodeids and strings in manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
8 * This program is distributed in the hope that it will be useful,
c9b305df0b89 Optimization: use ParentWalker to get changeset's parents, if possible. Do not keep duplicating nodeids and strings in manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
c9b305df0b89 Optimization: use ParentWalker to get changeset's parents, if possible. Do not keep duplicating nodeids and strings in manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
c9b305df0b89 Optimization: use ParentWalker to get changeset's parents, if possible. Do not keep duplicating nodeids and strings in manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
11 * GNU General Public License for more details.
c9b305df0b89 Optimization: use ParentWalker to get changeset's parents, if possible. Do not keep duplicating nodeids and strings in manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
12 *
c9b305df0b89 Optimization: use ParentWalker to get changeset's parents, if possible. Do not keep duplicating nodeids and strings in manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
13 * For information on how to redistribute this software under
c9b305df0b89 Optimization: use ParentWalker to get changeset's parents, if possible. Do not keep duplicating nodeids and strings in manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
14 * the terms of a license other than GNU General Public License
c9b305df0b89 Optimization: use ParentWalker to get changeset's parents, if possible. Do not keep duplicating nodeids and strings in manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
15 * contact TMate Software at support@hg4j.com
c9b305df0b89 Optimization: use ParentWalker to get changeset's parents, if possible. Do not keep duplicating nodeids and strings in manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
16 */
c9b305df0b89 Optimization: use ParentWalker to get changeset's parents, if possible. Do not keep duplicating nodeids and strings in manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
17 package org.tmatesoft.hg.internal;
c9b305df0b89 Optimization: use ParentWalker to get changeset's parents, if possible. Do not keep duplicating nodeids and strings in manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
18
c9b305df0b89 Optimization: use ParentWalker to get changeset's parents, if possible. Do not keep duplicating nodeids and strings in manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
19 import java.util.HashMap;
c9b305df0b89 Optimization: use ParentWalker to get changeset's parents, if possible. Do not keep duplicating nodeids and strings in manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
20
431
12f668401613 FIXMEs: awkward API refactored, what need to be internal got hidden; public aspects got captured in slim interfaces
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 264
diff changeset
21 import org.tmatesoft.hg.util.Convertor;
12f668401613 FIXMEs: awkward API refactored, what need to be internal got hidden; public aspects got captured in slim interfaces
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 264
diff changeset
22
195
c9b305df0b89 Optimization: use ParentWalker to get changeset's parents, if possible. Do not keep duplicating nodeids and strings in manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
23 /**
c9b305df0b89 Optimization: use ParentWalker to get changeset's parents, if possible. Do not keep duplicating nodeids and strings in manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
24 * Instance pooling.
c9b305df0b89 Optimization: use ParentWalker to get changeset's parents, if possible. Do not keep duplicating nodeids and strings in manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
25 *
c9b305df0b89 Optimization: use ParentWalker to get changeset's parents, if possible. Do not keep duplicating nodeids and strings in manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
26 * @author Artem Tikhomirov
c9b305df0b89 Optimization: use ParentWalker to get changeset's parents, if possible. Do not keep duplicating nodeids and strings in manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
27 * @author TMate Software Ltd.
c9b305df0b89 Optimization: use ParentWalker to get changeset's parents, if possible. Do not keep duplicating nodeids and strings in manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
28 */
431
12f668401613 FIXMEs: awkward API refactored, what need to be internal got hidden; public aspects got captured in slim interfaces
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 264
diff changeset
29 public class Pool<T> implements Convertor<T> {
262
3dcd3dd90c77 Improve manifest parsing: decode bytes to chars once, minimize arraycopy on String instantiation, keep set of file revisions from previous manifest only
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
30 private final HashMap<T,T> unify;
3dcd3dd90c77 Improve manifest parsing: decode bytes to chars once, minimize arraycopy on String instantiation, keep set of file revisions from previous manifest only
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
31
3dcd3dd90c77 Improve manifest parsing: decode bytes to chars once, minimize arraycopy on String instantiation, keep set of file revisions from previous manifest only
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
32 public Pool() {
3dcd3dd90c77 Improve manifest parsing: decode bytes to chars once, minimize arraycopy on String instantiation, keep set of file revisions from previous manifest only
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
33 unify = new HashMap<T, T>();
3dcd3dd90c77 Improve manifest parsing: decode bytes to chars once, minimize arraycopy on String instantiation, keep set of file revisions from previous manifest only
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
34 }
3dcd3dd90c77 Improve manifest parsing: decode bytes to chars once, minimize arraycopy on String instantiation, keep set of file revisions from previous manifest only
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
35
3dcd3dd90c77 Improve manifest parsing: decode bytes to chars once, minimize arraycopy on String instantiation, keep set of file revisions from previous manifest only
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
36 public Pool(int sizeHint) {
3dcd3dd90c77 Improve manifest parsing: decode bytes to chars once, minimize arraycopy on String instantiation, keep set of file revisions from previous manifest only
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
37 if (sizeHint <= 0) {
3dcd3dd90c77 Improve manifest parsing: decode bytes to chars once, minimize arraycopy on String instantiation, keep set of file revisions from previous manifest only
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
38 unify = new HashMap<T, T>();
3dcd3dd90c77 Improve manifest parsing: decode bytes to chars once, minimize arraycopy on String instantiation, keep set of file revisions from previous manifest only
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
39 } else {
3dcd3dd90c77 Improve manifest parsing: decode bytes to chars once, minimize arraycopy on String instantiation, keep set of file revisions from previous manifest only
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
40 unify = new HashMap<T, T>(sizeHint * 4 / 3, 0.75f);
3dcd3dd90c77 Improve manifest parsing: decode bytes to chars once, minimize arraycopy on String instantiation, keep set of file revisions from previous manifest only
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
41 }
3dcd3dd90c77 Improve manifest parsing: decode bytes to chars once, minimize arraycopy on String instantiation, keep set of file revisions from previous manifest only
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
42 }
431
12f668401613 FIXMEs: awkward API refactored, what need to be internal got hidden; public aspects got captured in slim interfaces
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 264
diff changeset
43
12f668401613 FIXMEs: awkward API refactored, what need to be internal got hidden; public aspects got captured in slim interfaces
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 264
diff changeset
44 public T mangle(T t) {
12f668401613 FIXMEs: awkward API refactored, what need to be internal got hidden; public aspects got captured in slim interfaces
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 264
diff changeset
45 return unify(t);
12f668401613 FIXMEs: awkward API refactored, what need to be internal got hidden; public aspects got captured in slim interfaces
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 264
diff changeset
46 }
12f668401613 FIXMEs: awkward API refactored, what need to be internal got hidden; public aspects got captured in slim interfaces
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 264
diff changeset
47
195
c9b305df0b89 Optimization: use ParentWalker to get changeset's parents, if possible. Do not keep duplicating nodeids and strings in manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
48 public T unify(T t) {
c9b305df0b89 Optimization: use ParentWalker to get changeset's parents, if possible. Do not keep duplicating nodeids and strings in manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
49 T rv = unify.get(t);
c9b305df0b89 Optimization: use ParentWalker to get changeset's parents, if possible. Do not keep duplicating nodeids and strings in manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
50 if (rv == null) {
c9b305df0b89 Optimization: use ParentWalker to get changeset's parents, if possible. Do not keep duplicating nodeids and strings in manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
51 // first time we see a new value
c9b305df0b89 Optimization: use ParentWalker to get changeset's parents, if possible. Do not keep duplicating nodeids and strings in manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
52 unify.put(t, t);
c9b305df0b89 Optimization: use ParentWalker to get changeset's parents, if possible. Do not keep duplicating nodeids and strings in manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
53 rv = t;
c9b305df0b89 Optimization: use ParentWalker to get changeset's parents, if possible. Do not keep duplicating nodeids and strings in manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
54 }
c9b305df0b89 Optimization: use ParentWalker to get changeset's parents, if possible. Do not keep duplicating nodeids and strings in manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
55 return rv;
c9b305df0b89 Optimization: use ParentWalker to get changeset's parents, if possible. Do not keep duplicating nodeids and strings in manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
56 }
196
e2115da4cf6a Pool objects to avoid memory polution with duplicates
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 195
diff changeset
57
262
3dcd3dd90c77 Improve manifest parsing: decode bytes to chars once, minimize arraycopy on String instantiation, keep set of file revisions from previous manifest only
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
58 public boolean contains(T t) {
3dcd3dd90c77 Improve manifest parsing: decode bytes to chars once, minimize arraycopy on String instantiation, keep set of file revisions from previous manifest only
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
59 return unify.containsKey(t);
3dcd3dd90c77 Improve manifest parsing: decode bytes to chars once, minimize arraycopy on String instantiation, keep set of file revisions from previous manifest only
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
60 }
3dcd3dd90c77 Improve manifest parsing: decode bytes to chars once, minimize arraycopy on String instantiation, keep set of file revisions from previous manifest only
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
61
3dcd3dd90c77 Improve manifest parsing: decode bytes to chars once, minimize arraycopy on String instantiation, keep set of file revisions from previous manifest only
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
62 public void record(T t) {
3dcd3dd90c77 Improve manifest parsing: decode bytes to chars once, minimize arraycopy on String instantiation, keep set of file revisions from previous manifest only
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
63 unify.put(t, t);
3dcd3dd90c77 Improve manifest parsing: decode bytes to chars once, minimize arraycopy on String instantiation, keep set of file revisions from previous manifest only
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
64 }
3dcd3dd90c77 Improve manifest parsing: decode bytes to chars once, minimize arraycopy on String instantiation, keep set of file revisions from previous manifest only
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
65
3dcd3dd90c77 Improve manifest parsing: decode bytes to chars once, minimize arraycopy on String instantiation, keep set of file revisions from previous manifest only
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
66 public void clear() {
3dcd3dd90c77 Improve manifest parsing: decode bytes to chars once, minimize arraycopy on String instantiation, keep set of file revisions from previous manifest only
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
67 unify.clear();
3dcd3dd90c77 Improve manifest parsing: decode bytes to chars once, minimize arraycopy on String instantiation, keep set of file revisions from previous manifest only
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
68 }
3dcd3dd90c77 Improve manifest parsing: decode bytes to chars once, minimize arraycopy on String instantiation, keep set of file revisions from previous manifest only
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
69
3dcd3dd90c77 Improve manifest parsing: decode bytes to chars once, minimize arraycopy on String instantiation, keep set of file revisions from previous manifest only
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
70 public int size() {
3dcd3dd90c77 Improve manifest parsing: decode bytes to chars once, minimize arraycopy on String instantiation, keep set of file revisions from previous manifest only
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
71 return unify.size();
3dcd3dd90c77 Improve manifest parsing: decode bytes to chars once, minimize arraycopy on String instantiation, keep set of file revisions from previous manifest only
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
72 }
3dcd3dd90c77 Improve manifest parsing: decode bytes to chars once, minimize arraycopy on String instantiation, keep set of file revisions from previous manifest only
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 196
diff changeset
73
196
e2115da4cf6a Pool objects to avoid memory polution with duplicates
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 195
diff changeset
74 @Override
e2115da4cf6a Pool objects to avoid memory polution with duplicates
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 195
diff changeset
75 public String toString() {
e2115da4cf6a Pool objects to avoid memory polution with duplicates
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 195
diff changeset
76 StringBuilder sb = new StringBuilder();
e2115da4cf6a Pool objects to avoid memory polution with duplicates
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 195
diff changeset
77 sb.append(Pool.class.getSimpleName());
e2115da4cf6a Pool objects to avoid memory polution with duplicates
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 195
diff changeset
78 sb.append('<');
264
6bb5e7ed051a Optimize memory usage (reduce number of objects instantiated) when pooling file names and nodeids during manifest parsing
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 262
diff changeset
79 if (!unify.isEmpty()) {
6bb5e7ed051a Optimize memory usage (reduce number of objects instantiated) when pooling file names and nodeids during manifest parsing
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 262
diff changeset
80 sb.append(unify.keySet().iterator().next().getClass().getName());
6bb5e7ed051a Optimize memory usage (reduce number of objects instantiated) when pooling file names and nodeids during manifest parsing
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 262
diff changeset
81 }
196
e2115da4cf6a Pool objects to avoid memory polution with duplicates
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 195
diff changeset
82 sb.append('>');
e2115da4cf6a Pool objects to avoid memory polution with duplicates
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 195
diff changeset
83 sb.append(':');
e2115da4cf6a Pool objects to avoid memory polution with duplicates
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 195
diff changeset
84 sb.append(unify.size());
e2115da4cf6a Pool objects to avoid memory polution with duplicates
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 195
diff changeset
85 return sb.toString();
e2115da4cf6a Pool objects to avoid memory polution with duplicates
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 195
diff changeset
86 }
195
c9b305df0b89 Optimization: use ParentWalker to get changeset's parents, if possible. Do not keep duplicating nodeids and strings in manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
87 }