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com.google.gerrit.server.extensions.events.GitReferenceUpdated Maven / Gradle / Ivy
// Copyright (C) 2012 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.extensions.events;
import com.google.gerrit.entities.Project;
import com.google.gerrit.extensions.api.changes.NotifyHandling;
import com.google.gerrit.extensions.common.AccountInfo;
import com.google.gerrit.extensions.events.GitBatchRefUpdateListener;
import com.google.gerrit.extensions.events.GitReferenceUpdatedListener;
import com.google.gerrit.server.account.AccountState;
import com.google.gerrit.server.plugincontext.PluginSetContext;
import com.google.inject.Inject;
import com.google.inject.Singleton;
import java.util.LinkedHashSet;
import java.util.Set;
import java.util.stream.Collectors;
import org.eclipse.jgit.lib.BatchRefUpdate;
import org.eclipse.jgit.lib.ObjectId;
import org.eclipse.jgit.lib.RefUpdate;
import org.eclipse.jgit.transport.ReceiveCommand;
/** Helper class to fire an event when a Git reference has been updated. */
@Singleton
public class GitReferenceUpdated {
public static final GitReferenceUpdated DISABLED =
new GitReferenceUpdated() {
@Override
public void fire(
Project.NameKey project,
RefUpdate refUpdate,
ReceiveCommand.Type type,
AccountState updater) {}
@Override
public void fire(Project.NameKey project, RefUpdate refUpdate, AccountState updater) {}
@Override
public void fire(
Project.NameKey project,
String ref,
ObjectId oldObjectId,
ObjectId newObjectId,
AccountState updater) {}
@Override
public void fire(Project.NameKey project, ReceiveCommand cmd, AccountState updater) {}
@Override
public void fire(
Project.NameKey project, BatchRefUpdate batchRefUpdate, AccountState updater) {}
};
private final PluginSetContext batchRefUpdateListeners;
private final PluginSetContext refUpdatedListeners;
private final EventUtil util;
@Inject
GitReferenceUpdated(
PluginSetContext batchRefUpdateListeners,
PluginSetContext refUpdatedListeners,
EventUtil util) {
this.batchRefUpdateListeners = batchRefUpdateListeners;
this.refUpdatedListeners = refUpdatedListeners;
this.util = util;
}
private GitReferenceUpdated() {
this.batchRefUpdateListeners = null;
this.refUpdatedListeners = null;
this.util = null;
}
public void fire(
Project.NameKey project,
RefUpdate refUpdate,
ReceiveCommand.Type type,
AccountState updater) {
fire(
project,
new UpdatedRef(
refUpdate.getName(), refUpdate.getOldObjectId(), refUpdate.getNewObjectId(), type),
util.accountInfo(updater));
}
public void fire(Project.NameKey project, RefUpdate refUpdate, AccountState updater) {
fire(
project,
new UpdatedRef(
refUpdate.getName(),
refUpdate.getOldObjectId(),
refUpdate.getNewObjectId(),
ReceiveCommand.Type.UPDATE),
util.accountInfo(updater));
}
public void fire(
Project.NameKey project,
String ref,
ObjectId oldObjectId,
ObjectId newObjectId,
AccountState updater) {
fire(
project,
new UpdatedRef(ref, oldObjectId, newObjectId, ReceiveCommand.Type.UPDATE),
util.accountInfo(updater));
}
public void fire(Project.NameKey project, ReceiveCommand cmd, AccountState updater) {
fire(
project,
new UpdatedRef(cmd.getRefName(), cmd.getOldId(), cmd.getNewId(), cmd.getType()),
util.accountInfo(updater));
}
public void fire(Project.NameKey project, BatchRefUpdate batchRefUpdate, AccountState updater) {
if (batchRefUpdateListeners.isEmpty() && refUpdatedListeners.isEmpty()) {
return;
}
Set updates = new LinkedHashSet<>();
for (ReceiveCommand cmd : batchRefUpdate.getCommands()) {
if (cmd.getResult() == ReceiveCommand.Result.OK) {
updates.add(
new UpdatedRef(cmd.getRefName(), cmd.getOldId(), cmd.getNewId(), cmd.getType()));
}
}
fireBatchRefUpdateEvent(project, updates, util.accountInfo(updater));
fireRefUpdatedEvents(project, updates, util.accountInfo(updater));
}
private void fire(Project.NameKey project, UpdatedRef updatedRef, AccountInfo updater) {
fireBatchRefUpdateEvent(project, Set.of(updatedRef), updater);
fireRefUpdatedEvent(project, updatedRef, updater);
}
private void fireBatchRefUpdateEvent(
Project.NameKey project,
Set updatedRefs,
AccountInfo updater) {
if (batchRefUpdateListeners.isEmpty()) {
return;
}
GitBatchRefUpdateEvent event = new GitBatchRefUpdateEvent(project, updatedRefs, updater);
batchRefUpdateListeners.runEach(l -> l.onGitBatchRefUpdate(event));
}
private void fireRefUpdatedEvents(
Project.NameKey project,
Set updatedRefs,
AccountInfo updater) {
for (GitBatchRefUpdateListener.UpdatedRef updatedRef : updatedRefs) {
fireRefUpdatedEvent(project, updatedRef, updater);
}
}
private void fireRefUpdatedEvent(
Project.NameKey project,
GitBatchRefUpdateListener.UpdatedRef updatedRef,
AccountInfo updater) {
if (refUpdatedListeners.isEmpty()) {
return;
}
GitReferenceUpdatedEvent event = new GitReferenceUpdatedEvent(project, updatedRef, updater);
refUpdatedListeners.runEach(l -> l.onGitReferenceUpdated(event));
}
public static class UpdatedRef implements GitBatchRefUpdateListener.UpdatedRef {
private final String ref;
private final ObjectId oldObjectId;
private final ObjectId newObjectId;
private final ReceiveCommand.Type type;
public UpdatedRef(
String ref, ObjectId oldObjectId, ObjectId newObjectId, ReceiveCommand.Type type) {
this.ref = ref;
this.oldObjectId = oldObjectId != null ? oldObjectId : ObjectId.zeroId();
this.newObjectId = newObjectId != null ? newObjectId : ObjectId.zeroId();
this.type = type;
}
@Override
public String getRefName() {
return ref;
}
@Override
public String getOldObjectId() {
return oldObjectId.name();
}
@Override
public String getNewObjectId() {
return newObjectId.name();
}
@Override
public boolean isCreate() {
return type == ReceiveCommand.Type.CREATE;
}
@Override
public boolean isDelete() {
return type == ReceiveCommand.Type.DELETE;
}
@Override
public boolean isNonFastForward() {
return type == ReceiveCommand.Type.UPDATE_NONFASTFORWARD;
}
@Override
public String toString() {
return String.format("{%s: %s -> %s}", ref, oldObjectId, newObjectId);
}
}
/** Event to be fired when a Git reference has been updated. */
public static class GitBatchRefUpdateEvent implements GitBatchRefUpdateListener.Event {
private final String projectName;
private final Set updatedRefs;
private final AccountInfo updater;
public GitBatchRefUpdateEvent(
Project.NameKey project,
Set updatedRefs,
AccountInfo updater) {
this.projectName = project.get();
this.updatedRefs = updatedRefs;
this.updater = updater;
}
@Override
public String getProjectName() {
return projectName;
}
@Override
public Set getUpdatedRefs() {
return updatedRefs;
}
@Override
public Set getRefNames() {
return updatedRefs.stream()
.map(GitBatchRefUpdateListener.UpdatedRef::getRefName)
.collect(Collectors.toCollection(LinkedHashSet::new));
}
@Override
public AccountInfo getUpdater() {
return updater;
}
@Override
public String toString() {
return String.format("%s[%s,%s]", getClass().getSimpleName(), projectName, updatedRefs);
}
@Override
public NotifyHandling getNotify() {
return NotifyHandling.ALL;
}
}
public static class GitReferenceUpdatedEvent implements GitReferenceUpdatedListener.Event {
private final String projectName;
private final GitBatchRefUpdateListener.UpdatedRef updatedRef;
private final AccountInfo updater;
public GitReferenceUpdatedEvent(
Project.NameKey project,
GitBatchRefUpdateListener.UpdatedRef updatedRef,
AccountInfo updater) {
this.projectName = project.get();
this.updatedRef = updatedRef;
this.updater = updater;
}
@Override
public String getProjectName() {
return projectName;
}
@Override
public NotifyHandling getNotify() {
return NotifyHandling.ALL;
}
@Override
public String getRefName() {
return updatedRef.getRefName();
}
@Override
public String getOldObjectId() {
return updatedRef.getOldObjectId();
}
@Override
public String getNewObjectId() {
return updatedRef.getNewObjectId();
}
@Override
public boolean isCreate() {
return updatedRef.isCreate();
}
@Override
public boolean isDelete() {
return updatedRef.isDelete();
}
@Override
public boolean isNonFastForward() {
return updatedRef.isNonFastForward();
}
@Override
public AccountInfo getUpdater() {
return updater;
}
}
}
