| // Copyright (C) 2019 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.router; |
| |
| import com.google.gerrit.server.events.Event; |
| import com.google.gerrit.server.permissions.PermissionBackendException; |
| import com.google.gwtorm.server.OrmException; |
| import com.google.inject.Inject; |
| import com.googlesource.gerrit.plugins.multisite.forwarder.ForwardedEventHandler; |
| import com.googlesource.gerrit.plugins.replication.RefReplicationDoneEvent; |
| import java.io.IOException; |
| |
| public class StreamEventRouter implements ForwardedEventRouter<Event> { |
| private final ForwardedEventHandler streamEventHandler; |
| private final IndexEventRouter indexEventRouter; |
| |
| @Inject |
| public StreamEventRouter( |
| ForwardedEventHandler streamEventHandler, IndexEventRouter indexEventRouter) { |
| this.streamEventHandler = streamEventHandler; |
| this.indexEventRouter = indexEventRouter; |
| } |
| |
| @Override |
| public void route(Event sourceEvent) |
| throws OrmException, PermissionBackendException, IOException { |
| if (RefReplicationDoneEvent.TYPE.equals(sourceEvent.getType())) { |
| /* TODO: We currently explicitly ignore the status and result of the replication |
| * event because there isn't a reliable way to understand if the current node was |
| * the replication target and was successful or not. |
| * |
| * It is better to risk to reindex once more rather than missing a reindexing event. |
| */ |
| indexEventRouter.onRefReplicated((RefReplicationDoneEvent) sourceEvent); |
| } |
| |
| streamEventHandler.dispatch(sourceEvent); |
| } |
| } |