com.google.gerrit.server.git.validators.TopicValidator Maven / Gradle / Ivy
// Copyright (C) 2023 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.git.validators;
import com.google.common.base.Strings;
import com.google.gerrit.common.Nullable;
import com.google.gerrit.server.config.GerritServerConfig;
import com.google.gerrit.server.query.change.InternalChangeQuery;
import com.google.gerrit.server.validators.ValidationException;
import com.google.inject.Inject;
import com.google.inject.Provider;
import com.google.inject.Singleton;
import org.eclipse.jgit.lib.Config;
/** Validator for topic changes. */
@Singleton
public class TopicValidator {
private final Provider queryProvider;
private final int topicLimit;
@Inject
TopicValidator(
@GerritServerConfig Config serverConfig, Provider queryProvider) {
this.queryProvider = queryProvider;
int configuredLimit = serverConfig.getInt("change", "topicLimit", 5_000);
this.topicLimit = configuredLimit > 0 ? configuredLimit : Integer.MAX_VALUE;
}
public void validateSize(@Nullable String topic) throws ValidationException {
if (Strings.isNullOrEmpty(topic)) {
return;
}
int topicSize = queryProvider.get().noFields().byTopicOpen(topic).size();
if (topicSize >= topicLimit) {
throw new ValidationException(
String.format(
"Topic '%s' already contains maximum number of allowed changes per 'topicLimit'"
+ " server config value %d.",
topic, topicLimit));
}
}
}