| // 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.googlesource.gerrit.plugins.multisite.forwarder; |
| |
| import com.google.gerrit.entities.AccountGroup; |
| import com.google.gerrit.server.index.group.GroupIndexer; |
| import com.google.inject.Inject; |
| import com.google.inject.Singleton; |
| import com.googlesource.gerrit.plugins.multisite.Configuration; |
| import com.googlesource.gerrit.plugins.multisite.forwarder.events.GroupIndexEvent; |
| import java.util.Optional; |
| |
| /** |
| * Index a group using {@link GroupIndexer}. This class is meant to be used on the receiving side of |
| * the {@link IndexEventForwarder} since it will prevent indexed group to be forwarded again causing |
| * an infinite forwarding loop between the 2 nodes. It will also make sure no concurrent indexing is |
| * done for the same group uuid |
| */ |
| @Singleton |
| public class ForwardedIndexGroupHandler extends ForwardedIndexingHandler<String, GroupIndexEvent> { |
| private final GroupIndexer indexer; |
| |
| @Inject |
| ForwardedIndexGroupHandler(GroupIndexer indexer, Configuration config) { |
| super(config.index().numStripedLocks()); |
| this.indexer = indexer; |
| } |
| |
| @Override |
| protected void doIndex(String uuid, Optional<GroupIndexEvent> event) { |
| indexer.index(AccountGroup.uuid(uuid)); |
| log.debug("Group {} successfully indexed", uuid); |
| } |
| |
| @Override |
| protected void doDelete(String uuid, Optional<GroupIndexEvent> event) { |
| throw new UnsupportedOperationException("Delete from group index not supported"); |
| } |
| } |