com.google.gerrit.server.rules.StoredValues Maven / Gradle / Ivy
// 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.DiffOptions;
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 = StoredValue.create(Accounts.class);
public static final StoredValue ACCOUNT_CACHE =
StoredValue.create(AccountCache.class);
public static final StoredValue EMAILS = StoredValue.create(Emails.class);
public static final StoredValue CHANGE_DATA = StoredValue.create(ChangeData.class);
public static final StoredValue 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 COMMIT =
new StoredValue<>() {
@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> DIFF_LIST =
new StoredValue<>() {
@Override
public Map 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 diffList;
try {
diffList =
diffOperations.listModifiedFilesAgainstParent(
project, ps.commitId(), /* parentNum= */ 0, DiffOptions.DEFAULTS);
} 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 REPO_MANAGER =
new StoredValue<>() {
@Override
public GitRepositoryManager createValue(Prolog engine) {
PrologEnvironment env = (PrologEnvironment) engine.control;
return env.getArgs().getGitRepositoryManager();
}
};
public static final StoredValue PLUGIN_CONFIG_FACTORY =
new StoredValue<>() {
@Override
public PluginConfigFactory createValue(Prolog engine) {
PrologEnvironment env = (PrologEnvironment) engine.control;
return env.getArgs().getPluginConfigFactory();
}
};
public static final StoredValue REPOSITORY =
new StoredValue<>() {
@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 PERMISSION_BACKEND =
new StoredValue<>() {
@Override
protected PermissionBackend createValue(Prolog engine) {
PrologEnvironment env = (PrologEnvironment) engine.control;
return env.getArgs().getPermissionBackend();
}
};
public static final StoredValue ANONYMOUS_USER =
new StoredValue<>() {
@Override
protected AnonymousUser createValue(Prolog engine) {
PrologEnvironment env = (PrologEnvironment) engine.control;
return env.getArgs().getAnonymousUser();
}
};
public static final StoredValue> USERS =
new StoredValue<>() {
@Override
protected Map createValue(Prolog engine) {
return new HashMap<>();
}
};
private StoredValues() {}
}