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
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
|
// Copyright (C) 2011 The Android Open Source Project
//
// 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.google.gerrit.server.rules;
import com.google.gerrit.entities.Account;
import com.google.gerrit.entities.Change;
import com.google.gerrit.entities.PatchSet;
import com.google.gerrit.entities.Project;
import com.google.gerrit.exceptions.StorageException;
import com.google.gerrit.server.AnonymousUser;
import com.google.gerrit.server.IdentifiedUser;
import com.google.gerrit.server.PatchSetUtil;
import com.google.gerrit.server.account.AccountCache;
import com.google.gerrit.server.account.Accounts;
import com.google.gerrit.server.account.Emails;
import com.google.gerrit.server.config.PluginConfigFactory;
import com.google.gerrit.server.git.GitRepositoryManager;
import com.google.gerrit.server.patch.DiffNotAvailableException;
import com.google.gerrit.server.patch.DiffOperations;
import com.google.gerrit.server.patch.filediff.FileDiffOutput;
import com.google.gerrit.server.permissions.PermissionBackend;
import com.google.gerrit.server.project.ProjectState;
import com.google.gerrit.server.query.change.ChangeData;
import com.googlecode.prolog_cafe.exceptions.SystemException;
import com.googlecode.prolog_cafe.lang.Prolog;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.jgit.revwalk.RevCommit;
public final class StoredValues {
public static final StoredValue<Accounts> ACCOUNTS = StoredValue.create(Accounts.class);
public static final StoredValue<AccountCache> ACCOUNT_CACHE =
StoredValue.create(AccountCache.class);
public static final StoredValue<Emails> EMAILS = StoredValue.create(Emails.class);
public static final StoredValue<ChangeData> CHANGE_DATA = StoredValue.create(ChangeData.class);
public static final StoredValue<ProjectState> PROJECT_STATE =
StoredValue.create(ProjectState.class);
public static Change getChange(Prolog engine) throws SystemException {
ChangeData cd = CHANGE_DATA.get(engine);
try {
return cd.change();
} catch (StorageException e) {
throw new SystemException(
String.format("Cannot load change %s: %s", cd.getId(), e.getMessage()));
}
}
public static PatchSet getPatchSet(Prolog engine) throws SystemException {
ChangeData cd = CHANGE_DATA.get(engine);
try {
return cd.currentPatchSet();
} catch (StorageException e) {
throw new SystemException(e.getMessage());
}
}
public static final StoredValue<RevCommit> COMMIT =
new StoredValue<RevCommit>() {
@Override
public RevCommit createValue(Prolog engine) {
Change change = getChange(engine);
PatchSet ps = getPatchSet(engine);
PrologEnvironment env = (PrologEnvironment) engine.control;
PatchSetUtil patchSetUtil = env.getArgs().getPatchsetUtil();
try {
return patchSetUtil.getRevCommit(change.getProject(), ps);
} catch (IOException e) {
throw new SystemException(e.getMessage());
}
}
};
public static final StoredValue<Map<String, FileDiffOutput>> DIFF_LIST =
new StoredValue<Map<String, FileDiffOutput>>() {
@Override
public Map<String, FileDiffOutput> createValue(Prolog engine) {
PrologEnvironment env = (PrologEnvironment) engine.control;
PatchSet ps = getPatchSet(engine);
DiffOperations diffOperations = env.getArgs().getDiffOperations();
Change change = getChange(engine);
Project.NameKey project = change.getProject();
Map<String, FileDiffOutput> diffList;
try {
diffList =
diffOperations.listModifiedFilesAgainstParent(
project, ps.commitId(), /* parentNum= */ 0);
} catch (DiffNotAvailableException e) {
throw new SystemException(
String.format(
"Cannot create modified files for project %s, commit Id %s: %s",
project, ps.commitId(), e.getMessage()));
}
return diffList;
}
};
// Accessing GitRepositoryManager could be slow.
// It should be minimized or cached to reduce pause time
// when evaluating Prolog submit rules.
public static final StoredValue<GitRepositoryManager> REPO_MANAGER =
new StoredValue<GitRepositoryManager>() {
@Override
public GitRepositoryManager createValue(Prolog engine) {
PrologEnvironment env = (PrologEnvironment) engine.control;
return env.getArgs().getGitRepositoryManager();
}
};
public static final StoredValue<PluginConfigFactory> PLUGIN_CONFIG_FACTORY =
new StoredValue<PluginConfigFactory>() {
@Override
public PluginConfigFactory createValue(Prolog engine) {
PrologEnvironment env = (PrologEnvironment) engine.control;
return env.getArgs().getPluginConfigFactory();
}
};
public static final StoredValue<Repository> REPOSITORY =
new StoredValue<Repository>() {
@Override
public Repository createValue(Prolog engine) {
PrologEnvironment env = (PrologEnvironment) engine.control;
GitRepositoryManager gitMgr = env.getArgs().getGitRepositoryManager();
Change change = getChange(engine);
Project.NameKey projectKey = change.getProject();
Repository repo;
try {
repo = gitMgr.openRepository(projectKey);
} catch (IOException e) {
throw new SystemException(e.getMessage());
}
env.addToCleanup(repo::close);
return repo;
}
};
public static final StoredValue<PermissionBackend> PERMISSION_BACKEND =
new StoredValue<PermissionBackend>() {
@Override
protected PermissionBackend createValue(Prolog engine) {
PrologEnvironment env = (PrologEnvironment) engine.control;
return env.getArgs().getPermissionBackend();
}
};
public static final StoredValue<AnonymousUser> ANONYMOUS_USER =
new StoredValue<AnonymousUser>() {
@Override
protected AnonymousUser createValue(Prolog engine) {
PrologEnvironment env = (PrologEnvironment) engine.control;
return env.getArgs().getAnonymousUser();
}
};
public static final StoredValue<Map<Account.Id, IdentifiedUser>> USERS =
new StoredValue<Map<Account.Id, IdentifiedUser>>() {
@Override
protected Map<Account.Id, IdentifiedUser> createValue(Prolog engine) {
return new HashMap<>();
}
};
private StoredValues() {}
}
|
