Line data    Source code

       1             : // Copyright (C) 2017 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.project;
      16             : 
      17             : import com.google.common.util.concurrent.Striped;
      18             : import com.google.gerrit.entities.Project;
      19             : import com.google.gerrit.extensions.registration.DynamicItem;
      20             : import com.google.inject.AbstractModule;
      21             : import com.google.inject.Singleton;
      22             : import java.util.concurrent.locks.Lock;
      23             : 
      24             : /** In-memory lock for project names. */
      25             : @Singleton
      26         146 : public class DefaultProjectNameLockManager implements ProjectNameLockManager {
      27             : 
      28         152 :   public static class DefaultProjectNameLockManagerModule extends AbstractModule {
      29             :     @Override
      30             :     protected void configure() {
      31         152 :       DynamicItem.bind(binder(), ProjectNameLockManager.class)
      32         152 :           .to(DefaultProjectNameLockManager.class);
      33         152 :     }
      34             :   }
      35             : 
      36         146 :   Striped<Lock> locks = Striped.lock(10);
      37             : 
      38             :   @Override
      39             :   public Lock getLock(Project.NameKey name) {
      40         143 :     return locks.get(name);
      41             :   }
      42             : }