/*
* 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.tephra.TransactionManager;
import co.cask.tephra.metrics.TxMetricsCollector;
import co.cask.tephra.persist.TransactionStateStorage;
import com.google.inject.Inject;
import com.google.inject.Provider;
import org.apache.hadoop.conf.Configuration;
/**
* Google Guice Provider for {@link TransactionManager} instances. Each call to {@link #get()} will
* return a new {@link TransactionManager} instance.
*/
public class TransactionManagerProvider implements Provider<TransactionManager> {
private final Configuration conf;
private final Provider<TransactionStateStorage> storageProvider;
private final TxMetricsCollector txMetricsCollector;
@Inject
public TransactionManagerProvider(Configuration config, Provider<TransactionStateStorage> storageProvider,
TxMetricsCollector txMetricsCollector) {
this.conf = config;
this.storageProvider = storageProvider;
this.txMetricsCollector = txMetricsCollector;
}
@Override
public TransactionManager get() {
return new TransactionManager(conf, storageProvider.get(), txMetricsCollector);
}
}