| // Copyright (C) 2018 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.receive; |
| |
| import com.google.common.collect.ImmutableList; |
| import com.google.gerrit.reviewdb.client.Change; |
| import java.util.ArrayList; |
| import java.util.EnumMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| /** |
| * Keeps track of the change IDs thus far updated by ReceiveCommit. |
| * |
| * <p>This class is thread-safe. |
| */ |
| public class ResultChangeIds { |
| public enum Key { |
| CREATED, |
| REPLACED, |
| AUTOCLOSED, |
| } |
| |
| private final Map<Key, List<Change.Id>> ids; |
| |
| ResultChangeIds() { |
| ids = new EnumMap<>(Key.class); |
| for (Key k : Key.values()) { |
| ids.put(k, new ArrayList<>()); |
| } |
| } |
| |
| /** Record a change ID update as having completed. Thread-safe. */ |
| public void add(Key key, Change.Id id) { |
| synchronized (this) { |
| ids.get(key).add(id); |
| } |
| } |
| |
| /** Returns change IDs of the given type for which the BatchUpdate succeeded. Thread-safe. */ |
| public List<Change.Id> get(Key key) { |
| synchronized (this) { |
| return ImmutableList.copyOf(ids.get(key)); |
| } |
| } |
| } |