com.google.gerrit.server.update.SubmissionExecutor Maven / Gradle / Ivy
// Copyright (C) 2020 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 com.google.common.collect.ImmutableList;
import com.google.gerrit.extensions.restapi.RestApiException;
import com.google.gerrit.server.submit.MergeOpRepoManager;
import java.util.Collection;
import java.util.Optional;
import java.util.stream.Collectors;
public class SubmissionExecutor {
private final ImmutableList submissionListeners;
private final boolean dryrun;
private ImmutableList additionalListeners = ImmutableList.of();
public SubmissionExecutor(boolean dryrun, ImmutableList submissionListeners) {
this.dryrun = dryrun;
this.submissionListeners = submissionListeners;
if (dryrun) {
submissionListeners.forEach(SubmissionListener::setDryrun);
}
}
/**
* Set additional listeners. These can be set again in each try (or will be reused if not
* overwritten).
*/
public void setAdditionalBatchUpdateListeners(
ImmutableList additionalListeners) {
this.additionalListeners = additionalListeners;
}
/** Execute the batch updates, reporting to all the Submission and BatchUpdateListeners. */
public void execute(Collection updates) throws RestApiException, UpdateException {
submissionListeners.forEach(l -> l.beforeBatchUpdates(updates));
ImmutableList listeners =
new ImmutableList.Builder()
.addAll(additionalListeners)
.addAll(
submissionListeners.stream()
.map(l -> l.listensToBatchUpdates())
.filter(Optional::isPresent)
.map(Optional::get)
.collect(Collectors.toList()))
.build();
BatchUpdate.execute(updates, listeners, dryrun);
}
/**
* Caller invokes this when done with the submission (either because everything succeeded or gave
* up retrying).
*/
public void afterExecutions(MergeOpRepoManager orm) {
submissionListeners.forEach(l -> l.afterSubmission(orm));
}
}