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 com.google.common.base.Preconditions.checkNotNull;
import com.google.gerrit.reviewdb.client.Account;
import com.google.gerrit.reviewdb.client.Project;
import com.google.gerrit.reviewdb.server.ReviewDb;
import com.google.gerrit.server.CurrentUser;
import com.google.gerrit.server.IdentifiedUser;
import java.io.IOException;
import java.sql.Timestamp;
import java.util.TimeZone;
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.
*/
Timestamp getWhen();
/**
* Get the time zone in which this update takes place.
*
*
In the current implementation, this is always the time zone of the server.
*
* @return time zone.
*/
TimeZone getTimeZone();
/**
* Get the ReviewDb database.
*
*
Callers should not manage transactions or call mutating methods on the Changes table.
* Mutations on other tables (including other entities in the change entity group) are fine.
*
* @return open database instance.
*/
ReviewDb getDb();
/**
* 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 order in which operations are executed in this update.
*
* @return order of operations.
*/
Order getOrder();
/**
* Get the identified user performing the update.
*
*
Convenience method for {@code getUser().asIdentifiedUser()}.
*
* @see CurrentUser#asIdentifiedUser()
* @return user.
*/
default IdentifiedUser getIdentifiedUser() {
return checkNotNull(getUser()).asIdentifiedUser();
}
/**
* Get the account of the user performing the update.
*
*
Convenience method for {@code getIdentifiedUser().getAccount()}.
*
* @see CurrentUser#asIdentifiedUser()
* @return account.
*/
default Account getAccount() {
return getIdentifiedUser().getAccount();
}
/**
* 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();
}
}