1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
|
/*
* Copyright 2000-2013 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.intellij.vcs.log.data;
import com.intellij.openapi.Disposable;
import com.intellij.openapi.application.PathManager;
import com.intellij.openapi.diagnostic.Logger;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.util.Disposer;
import com.intellij.openapi.util.ThrowableComputable;
import com.intellij.util.containers.ContainerUtil;
import com.intellij.util.io.*;
import com.intellij.vcs.log.VcsUser;
import com.intellij.vcs.log.VcsUserRegistry;
import com.intellij.vcs.log.impl.VcsUserImpl;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.io.DataInput;
import java.io.DataOutput;
import java.io.File;
import java.io.IOException;
import java.util.Collection;
import java.util.Collections;
import java.util.Set;
/**
*
*/
public class VcsUserRegistryImpl implements Disposable, VcsUserRegistry {
private static final File USER_CACHE_APP_DIR = new File(PathManager.getSystemPath(), "vcs-users");
private static final Logger LOG = Logger.getInstance(VcsUserRegistryImpl.class);
private static final PersistentEnumeratorBase.DataFilter ACCEPT_ALL_DATA_FILTER = new PersistentEnumeratorBase.DataFilter() {
@Override
public boolean accept(int id) {
return true;
}
};
@Nullable private final PersistentEnumerator<VcsUser> myPersistentEnumerator;
VcsUserRegistryImpl(@NotNull Project project) {
final File mapFile = new File(USER_CACHE_APP_DIR, project.getName() + "." + project.getLocationHash());
Disposer.register(project, this);
myPersistentEnumerator = initEnumerator(mapFile);
}
@Nullable
private static PersistentEnumerator<VcsUser> initEnumerator(@NotNull final File mapFile) {
try {
return IOUtil.openCleanOrResetBroken(new ThrowableComputable<PersistentEnumerator<VcsUser>, IOException>() {
@Override
public PersistentEnumerator<VcsUser> compute() throws IOException {
return new PersistentEnumerator<VcsUser>(mapFile, new MyDescriptor(), Page.PAGE_SIZE);
}
}, mapFile);
}
catch (IOException e) {
LOG.warn(e);
return null;
}
}
public void addUser(@NotNull VcsUser user) {
try {
if (myPersistentEnumerator != null) {
myPersistentEnumerator.enumerate(user);
}
}
catch (IOException e) {
LOG.warn(e);
}
}
public void addUsers(@NotNull Collection<VcsUser> users) {
for (VcsUser user : users) {
addUser(user);
}
}
@Override
@NotNull
public Set<VcsUser> getUsers() {
try {
Collection<VcsUser> users = myPersistentEnumerator != null ?
myPersistentEnumerator.getAllDataObjects(ACCEPT_ALL_DATA_FILTER) :
Collections.<VcsUser>emptySet();
return ContainerUtil.newHashSet(users);
}
catch (IOException e) {
LOG.warn(e);
return Collections.emptySet();
}
}
public void flush() {
if (myPersistentEnumerator != null) {
myPersistentEnumerator.force();
}
}
@Override
public void dispose() {
try {
if (myPersistentEnumerator != null) {
myPersistentEnumerator.close();
}
}
catch (IOException e) {
LOG.warn(e);
}
}
private static class MyDescriptor implements KeyDescriptor<VcsUser> {
@Override
public void save(@NotNull DataOutput out, VcsUser value) throws IOException {
IOUtil.writeUTF(out, value.getName());
IOUtil.writeUTF(out, value.getEmail());
}
@Override
public VcsUser read(@NotNull DataInput in) throws IOException {
String name = IOUtil.readUTF(in);
String email = IOUtil.readUTF(in);
return new VcsUserImpl(name, email);
}
@Override
public int getHashCode(VcsUser value) {
return value.hashCode();
}
@Override
public boolean isEqual(VcsUser val1, VcsUser val2) {
return val1.equals(val2);
}
}
}
|
