Line data    Source code

       1             : // Copyright (C) 2020 The Android Open Source Project
       2             : //
       3             : // Licensed under the Apache License, Version 2.0 (the "License");
       4             : // you may not use this file except in compliance with the License.
       5             : // You may obtain a copy of the License at
       6             : //
       7             : // http://www.apache.org/licenses/LICENSE-2.0
       8             : //
       9             : // Unless required by applicable law or agreed to in writing, software
      10             : // distributed under the License is distributed on an "AS IS" BASIS,
      11             : // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
      12             : // See the License for the specific language governing permissions and
      13             : // limitations under the License.
      14             : 
      15             : package com.google.gerrit.server.config;
      16             : 
      17             : import com.google.inject.Inject;
      18             : import com.google.inject.Provider;
      19             : import com.google.inject.Singleton;
      20             : import org.eclipse.jgit.lib.Config;
      21             : 
      22             : /**
      23             :  * Provides {@link Boolean} annotated with {@link GerritIsReplica}.
      24             :  *
      25             :  * <p>The returned boolean indicates whether Gerrit is run as a read-only replica.
      26             :  */
      27             : @Singleton
      28             : public final class GerritIsReplicaProvider implements Provider<Boolean> {
      29             :   public static final String CONFIG_SECTION = "container";
      30             :   public static final String REPLICA_KEY = "replica";
      31             :   public static final String DEPRECATED_REPLICA_KEY = "slave";
      32             : 
      33             :   public final boolean isReplica;
      34             : 
      35             :   @Inject
      36         149 :   public GerritIsReplicaProvider(@GerritServerConfig Config config) {
      37         149 :     this.isReplica =
      38         149 :         config.getBoolean(CONFIG_SECTION, REPLICA_KEY, false)
      39         149 :             || config.getBoolean(CONFIG_SECTION, DEPRECATED_REPLICA_KEY, false);
      40         149 :   }
      41             : 
      42             :   @Override
      43             :   public Boolean get() {
      44           1 :     return isReplica;
      45             :   }
      46             : }