| // 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.kafka; |
| |
| import com.google.gerrit.extensions.registration.DynamicSet; |
| import com.google.gerrit.lifecycle.LifecycleModule; |
| import com.google.inject.Inject; |
| import com.google.inject.TypeLiteral; |
| import com.googlesource.gerrit.plugins.multisite.broker.BrokerSession; |
| import com.googlesource.gerrit.plugins.multisite.broker.kafka.BrokerPublisher; |
| import com.googlesource.gerrit.plugins.multisite.broker.kafka.KafkaSession; |
| import com.googlesource.gerrit.plugins.multisite.consumer.AbstractSubcriber; |
| import com.googlesource.gerrit.plugins.multisite.consumer.BatchIndexEventSubscriber; |
| import com.googlesource.gerrit.plugins.multisite.consumer.CacheEvictionEventSubscriber; |
| import com.googlesource.gerrit.plugins.multisite.consumer.IndexEventSubscriber; |
| import com.googlesource.gerrit.plugins.multisite.consumer.ProjectUpdateEventSubscriber; |
| import com.googlesource.gerrit.plugins.multisite.consumer.SourceAwareEventWrapper; |
| import com.googlesource.gerrit.plugins.multisite.consumer.StreamEventSubscriber; |
| import com.googlesource.gerrit.plugins.multisite.forwarder.CacheEvictionForwarder; |
| import com.googlesource.gerrit.plugins.multisite.forwarder.IndexEventForwarder; |
| import com.googlesource.gerrit.plugins.multisite.forwarder.ProjectListUpdateForwarder; |
| import com.googlesource.gerrit.plugins.multisite.forwarder.StreamEventForwarder; |
| import com.googlesource.gerrit.plugins.multisite.forwarder.broker.BrokerCacheEvictionForwarder; |
| import com.googlesource.gerrit.plugins.multisite.forwarder.broker.BrokerIndexEventForwarder; |
| import com.googlesource.gerrit.plugins.multisite.forwarder.broker.BrokerProjectListUpdateForwarder; |
| import com.googlesource.gerrit.plugins.multisite.forwarder.broker.BrokerStreamEventForwarder; |
| import com.googlesource.gerrit.plugins.multisite.forwarder.events.EventTopic; |
| import com.googlesource.gerrit.plugins.multisite.kafka.consumer.KafkaEventDeserializer; |
| import org.apache.kafka.common.serialization.ByteArrayDeserializer; |
| import org.apache.kafka.common.serialization.Deserializer; |
| |
| public class KafkaBrokerModule extends LifecycleModule { |
| private KafkaConfiguration config; |
| |
| @Inject |
| public KafkaBrokerModule(KafkaConfiguration config) { |
| this.config = config; |
| } |
| |
| @Override |
| protected void configure() { |
| if (config.kafkaSubscriber().enabled()) { |
| bind(new TypeLiteral<Deserializer<byte[]>>() {}).toInstance(new ByteArrayDeserializer()); |
| bind(new TypeLiteral<Deserializer<SourceAwareEventWrapper>>() {}) |
| .to(KafkaEventDeserializer.class); |
| |
| if (config.kafkaSubscriber().enabledEvent(EventTopic.INDEX_TOPIC)) { |
| DynamicSet.bind(binder(), AbstractSubcriber.class).to(IndexEventSubscriber.class); |
| } |
| if (config.kafkaSubscriber().enabledEvent(EventTopic.BATCH_INDEX_TOPIC)) { |
| DynamicSet.bind(binder(), AbstractSubcriber.class).to(BatchIndexEventSubscriber.class); |
| } |
| if (config.kafkaSubscriber().enabledEvent(EventTopic.STREAM_EVENT_TOPIC)) { |
| DynamicSet.bind(binder(), AbstractSubcriber.class).to(StreamEventSubscriber.class); |
| } |
| if (config.kafkaSubscriber().enabledEvent(EventTopic.CACHE_TOPIC)) { |
| DynamicSet.bind(binder(), AbstractSubcriber.class).to(CacheEvictionEventSubscriber.class); |
| } |
| if (config.kafkaSubscriber().enabledEvent(EventTopic.PROJECT_LIST_TOPIC)) { |
| DynamicSet.bind(binder(), AbstractSubcriber.class).to(ProjectUpdateEventSubscriber.class); |
| } |
| } |
| |
| if (config.kafkaPublisher().enabled()) { |
| listener().to(BrokerPublisher.class); |
| bind(BrokerSession.class).to(KafkaSession.class); |
| |
| if (config.kafkaPublisher().enabledEvent(EventTopic.INDEX_TOPIC)) { |
| DynamicSet.bind(binder(), IndexEventForwarder.class).to(BrokerIndexEventForwarder.class); |
| } |
| if (config.kafkaPublisher().enabledEvent(EventTopic.CACHE_TOPIC)) { |
| DynamicSet.bind(binder(), CacheEvictionForwarder.class) |
| .to(BrokerCacheEvictionForwarder.class); |
| } |
| if (config.kafkaPublisher().enabledEvent(EventTopic.PROJECT_LIST_TOPIC)) { |
| DynamicSet.bind(binder(), ProjectListUpdateForwarder.class) |
| .to(BrokerProjectListUpdateForwarder.class); |
| } |
| if (config.kafkaPublisher().enabledEvent(EventTopic.STREAM_EVENT_TOPIC)) { |
| DynamicSet.bind(binder(), StreamEventForwarder.class).to(BrokerStreamEventForwarder.class); |
| } |
| } |
| } |
| } |