com.google.gerrit.server.update.Context Maven / Gradle / Ivy
// Copyright (C) 2017 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.update;
import static java.util.Objects.requireNonNull;
import com.google.gerrit.entities.Account;
import com.google.gerrit.entities.Change;
import com.google.gerrit.entities.Project;
import com.google.gerrit.server.CurrentUser;
import com.google.gerrit.server.IdentifiedUser;
import com.google.gerrit.server.account.AccountState;
import com.google.gerrit.server.change.NotifyResolver;
import java.io.IOException;
import java.time.Instant;
import java.time.ZoneId;
import org.eclipse.jgit.lib.PersonIdent;
import org.eclipse.jgit.revwalk.RevWalk;
/**
* Context for performing a {@link BatchUpdate}.
*
* A single update may span multiple changes, but they all belong to a single repo.
*/
public interface Context {
/**
* Get the project name this update operates on.
*
* @return project.
*/
Project.NameKey getProject();
/**
* Get a read-only view of the open repository for this project.
*
*
Will be opened lazily if necessary.
*
* @return repository instance.
* @throws IOException if an error occurred opening the repo.
*/
RepoView getRepoView() throws IOException;
/**
* Get a walk for this project.
*
*
The repository will be opened lazily if necessary; callers should not close the walk.
*
* @return walk.
* @throws IOException if an error occurred opening the repo.
*/
RevWalk getRevWalk() throws IOException;
/**
* Get the timestamp at which this update takes place.
*
* @return timestamp.
*/
Instant getWhen();
/**
* Get the time zone ID in which this update takes place.
*
*
In the current implementation, this is always the time zone ID of the server.
*
* @return zone ID.
*/
ZoneId getZoneId();
/**
* Get the user performing the update.
*
*
In the current implementation, this is always an {@link IdentifiedUser} or {@link
* com.google.gerrit.server.InternalUser}.
*
* @return user.
*/
CurrentUser getUser();
/**
* Get the notification settings configured by the caller.
*
*
If there are multiple changes in a batch, they may have different settings. For example, WIP
* changes may have reduced {@code NotifyHandling} levels, and may be in a batch with non-WIP
* changes.
*
* @param changeId change ID
* @return notification settings.
*/
NotifyResolver.Result getNotify(Change.Id changeId);
/**
* Get the identified user performing the update.
*
*
Convenience method for {@code getUser().asIdentifiedUser()}.
*
* @see CurrentUser#asIdentifiedUser()
* @return user.
*/
default IdentifiedUser getIdentifiedUser() {
return requireNonNull(getUser()).asIdentifiedUser();
}
/**
* Get the account of the user performing the update.
*
*
Convenience method for {@code getIdentifiedUser().account()}.
*
* @see CurrentUser#asIdentifiedUser()
* @return account.
*/
default AccountState getAccount() {
return getIdentifiedUser().state();
}
/**
* Get the account ID of the user performing the update.
*
*
Convenience method for {@code getUser().getAccountId()}
*
* @see CurrentUser#getAccountId()
* @return account ID.
*/
default Account.Id getAccountId() {
return getIdentifiedUser().getAccountId();
}
/**
* Creates a new {@link PersonIdent} with {@link #getWhen()} as timestamp.
*
* @param personIdent {@link PersonIdent} to be copied
* @return copied {@link PersonIdent} with {@link #getWhen()} as timestamp
*/
default PersonIdent newPersonIdent(PersonIdent personIdent) {
return new PersonIdent(personIdent, getWhen().toEpochMilli(), personIdent.getTimeZoneOffset());
}
/**
* Creates a committer {@link PersonIdent} for {@link #getIdentifiedUser()}.
*
* @return the created committer {@link PersonIdent}
*/
default PersonIdent newCommitterIdent() {
return newCommitterIdent(getIdentifiedUser());
}
/**
* Creates a committer {@link PersonIdent} for the given user.
*
* @param user user for which a committer {@link PersonIdent} should be created
* @return the created committer {@link PersonIdent}
*/
default PersonIdent newCommitterIdent(IdentifiedUser user) {
return user.newCommitterIdent(getWhen(), getZoneId());
}
/**
* Creates a committer {@link PersonIdent} for the given user. The identity will be created with
* the given email if the user is allowed to use it, otherwise fallback to preferred email.
*
* @param user user for which a committer {@link PersonIdent} should be created
* @param email committer email of the source commit
* @return the created committer {@link PersonIdent}
*/
default PersonIdent newCommitterIdent(String email, IdentifiedUser user) {
return user.newCommitterIdent(email, getWhen(), getZoneId()).orElseGet(this::newCommitterIdent);
}
}