Line data    Source code

       1             : // Copyright (C) 2013 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.git;
      16             : 
      17             : import com.google.common.collect.Sets;
      18             : import com.google.gerrit.entities.Project;
      19             : import com.google.inject.Singleton;
      20             : import java.util.Collection;
      21             : import java.util.HashSet;
      22             : import java.util.Set;
      23             : 
      24             : /** A thread-safe list of projects scheduled for GC. */
      25             : @Singleton
      26         139 : public class GarbageCollectionQueue {
      27         139 :   private final Set<Project.NameKey> projectsScheduledForGc = new HashSet<>();
      28             : 
      29             :   public synchronized Set<Project.NameKey> addAll(Collection<Project.NameKey> projects) {
      30           4 :     Set<Project.NameKey> added = Sets.newLinkedHashSetWithExpectedSize(projects.size());
      31           4 :     for (Project.NameKey p : projects) {
      32           4 :       if (projectsScheduledForGc.add(p)) {
      33           4 :         added.add(p);
      34             :       }
      35           4 :     }
      36           4 :     return added;
      37             :   }
      38             : 
      39             :   public synchronized void gcFinished(Project.NameKey project) {
      40           4 :     projectsScheduledForGc.remove(project);
      41           4 :   }
      42             : }