/*
* Copyright © 2014 Cask Data, Inc.
*
* 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 co.cask.cdap.data.runtime;
import co.cask.cdap.common.conf.CConfiguration;
import co.cask.cdap.data.stream.DistributedStreamCoordinator;
import co.cask.cdap.data.stream.StreamCoordinator;
import co.cask.cdap.data.stream.StreamFileWriterFactory;
import co.cask.cdap.data2.queue.QueueClientFactory;
import co.cask.cdap.data2.transaction.metrics.TransactionManagerMetricsCollector;
import co.cask.cdap.data2.transaction.queue.QueueAdmin;
import co.cask.cdap.data2.transaction.queue.hbase.HBaseQueueAdmin;
import co.cask.cdap.data2.transaction.queue.hbase.HBaseQueueClientFactory;
import co.cask.cdap.data2.transaction.stream.StreamAdmin;
import co.cask.cdap.data2.transaction.stream.StreamConsumerFactory;
import co.cask.cdap.data2.transaction.stream.StreamConsumerStateStoreFactory;
import co.cask.cdap.data2.transaction.stream.hbase.HBaseStreamConsumerStateStoreFactory;
import co.cask.cdap.data2.transaction.stream.hbase.HBaseStreamFileAdmin;
import co.cask.cdap.data2.transaction.stream.hbase.HBaseStreamFileConsumerFactory;
import co.cask.cdap.data2.util.hbase.HBaseTableUtil;
import co.cask.cdap.data2.util.hbase.HBaseTableUtilFactory;
import co.cask.tephra.TxConstants;
import co.cask.tephra.distributed.PooledClientProvider;
import co.cask.tephra.distributed.ThreadLocalClientProvider;
import co.cask.tephra.distributed.ThriftClientProvider;
import co.cask.tephra.metrics.TxMetricsCollector;
import co.cask.tephra.runtime.TransactionModules;
import com.google.inject.AbstractModule;
import com.google.inject.Inject;
import com.google.inject.Provider;
import com.google.inject.Scopes;
import com.google.inject.Singleton;
import org.apache.hadoop.conf.Configuration;
import org.apache.twill.discovery.DiscoveryServiceClient;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Defines guice bindings for distributed modules.
*/
public class DataFabricDistributedModule extends AbstractModule {
private static final Logger LOG = LoggerFactory.getLogger(DataFabricDistributedModule.class);
public DataFabricDistributedModule() {
}
@Override
public void configure() {
bind(ThriftClientProvider.class).toProvider(ThriftClientProviderSupplier.class);
bind(QueueClientFactory.class).to(HBaseQueueClientFactory.class).in(Singleton.class);
bind(QueueAdmin.class).to(HBaseQueueAdmin.class).in(Singleton.class);
bind(HBaseTableUtil.class).toProvider(HBaseTableUtilFactory.class);
// Stream bindings
bind(StreamCoordinator.class).to(DistributedStreamCoordinator.class).in(Singleton.class);
bind(StreamConsumerStateStoreFactory.class).to(HBaseStreamConsumerStateStoreFactory.class).in(Singleton.class);
bind(StreamAdmin.class).to(HBaseStreamFileAdmin.class).in(Singleton.class);
bind(StreamConsumerFactory.class).to(HBaseStreamFileConsumerFactory.class).in(Singleton.class);
bind(StreamFileWriterFactory.class).to(LocationStreamFileWriterFactory.class).in(Singleton.class);
// bind transactions
bind(TxMetricsCollector.class).to(TransactionManagerMetricsCollector.class).in(Scopes.SINGLETON);
install(new TransactionModules().getDistributedModules());
}
/**
* Provides implementation of {@link ThriftClientProvider} based on configuration.
*/
@Singleton
private static final class ThriftClientProviderSupplier implements Provider<ThriftClientProvider> {
private final CConfiguration cConf;
private final Configuration hConf;
private DiscoveryServiceClient discoveryServiceClient;
@Inject
ThriftClientProviderSupplier(CConfiguration cConf, Configuration hConf) {
this.cConf = cConf;
this.hConf = hConf;
}
@Inject(optional = true)
void setDiscoveryServiceClient(DiscoveryServiceClient discoveryServiceClient) {
this.discoveryServiceClient = discoveryServiceClient;
}
@Override
public ThriftClientProvider get() {
// configure the client provider
String provider = cConf.get(TxConstants.Service.CFG_DATA_TX_CLIENT_PROVIDER,
TxConstants.Service.DEFAULT_DATA_TX_CLIENT_PROVIDER);
ThriftClientProvider clientProvider;
if ("pool".equals(provider)) {
clientProvider = new PooledClientProvider(hConf, discoveryServiceClient);
} else if ("thread-local".equals(provider)) {
clientProvider = new ThreadLocalClientProvider(hConf, discoveryServiceClient);
} else {
String message = "Unknown Transaction Service Client Provider '" + provider + "'.";
LOG.error(message);
throw new IllegalArgumentException(message);
}
return clientProvider;
}
}
}