/*
* 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.data2.transaction.queue.leveldb;
import co.cask.cdap.common.queue.QueueName;
import co.cask.cdap.data2.queue.ConsumerConfig;
import co.cask.cdap.data2.queue.QueueClientFactory;
import co.cask.cdap.data2.queue.QueueConsumer;
import co.cask.cdap.data2.queue.QueueProducer;
import co.cask.cdap.data2.transaction.queue.QueueMetrics;
import co.cask.cdap.data2.transaction.queue.inmemory.InMemoryQueueClientFactory;
import com.google.inject.Inject;
import java.io.IOException;
/**
* Factory for LevelDB queue clients.
*/
public final class LevelDBAndInMemoryQueueClientFactory implements QueueClientFactory {
private final InMemoryQueueClientFactory inMemoryFactory;
private final LevelDBQueueClientFactory levelDBFactory;
@Inject
public LevelDBAndInMemoryQueueClientFactory(InMemoryQueueClientFactory inMemoryFactory,
LevelDBQueueClientFactory levelDBFactory) {
this.inMemoryFactory = inMemoryFactory;
this.levelDBFactory = levelDBFactory;
}
@Override
public QueueProducer createProducer(QueueName queueName) throws IOException {
return delegate(queueName).createProducer(queueName);
}
@Override
public QueueConsumer createConsumer(QueueName queueName, ConsumerConfig consumerConfig, int numGroups)
throws IOException {
return delegate(queueName).createConsumer(queueName, consumerConfig, numGroups);
}
@Override
public QueueProducer createProducer(QueueName queueName, QueueMetrics queueMetrics) throws IOException {
return delegate(queueName).createProducer(queueName, queueMetrics);
}
private QueueClientFactory delegate(QueueName queueName) {
return queueName.isStream() ? levelDBFactory : inMemoryFactory;
}
}