com.google.gerrit.server.change.MergeabilityComputationBehavior 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.change;
import org.eclipse.jgit.lib.Config;
/**
* State that is used to decide if {@code mergeable} should be included in the REST API or the
* change index.
*
* Computing mergeability of a change is an expensive operation - especially for Gerrit
* installations with a large number of open changes or large repositories. Therefore, we want to
* control when this computation is performed.
*/
public enum MergeabilityComputationBehavior {
NEVER(false, false),
REF_UPDATED_AND_CHANGE_REINDEX(true, false),
API_REF_UPDATED_AND_CHANGE_REINDEX(true, true);
private final boolean includeInIndex;
private final boolean includeInApi;
MergeabilityComputationBehavior(boolean includeInIndex, boolean includeInApi) {
this.includeInIndex = includeInIndex;
this.includeInApi = includeInApi;
}
/** Returns a {@link MergeabilityComputationBehavior} constructed from a Gerrit server config. */
public static MergeabilityComputationBehavior fromConfig(Config cfg) {
return cfg.getEnum(
"change", null, "mergeabilityComputationBehavior", MergeabilityComputationBehavior.NEVER);
}
/** Whether {@code mergeable} should be included in the change API. */
public boolean includeInApi() {
return includeInApi;
}
/** Whether {@code mergeable} should be included in the change index. */
public boolean includeInIndex() {
return includeInIndex;
}
}