/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 storm.kafka;
import kafka.javaapi.consumer.SimpleConsumer;
import java.util.HashMap;
import java.util.Map;
public class StaticPartitionConnections {
Map<Integer, SimpleConsumer> _kafka = new HashMap<Integer, SimpleConsumer>();
KafkaConfig _config;
StaticHosts hosts;
public StaticPartitionConnections(KafkaConfig conf) {
_config = conf;
if (!(conf.hosts instanceof StaticHosts)) {
throw new RuntimeException("Must configure with static hosts");
}
this.hosts = (StaticHosts) conf.hosts;
}
public SimpleConsumer getConsumer(int partition) {
if (!_kafka.containsKey(partition)) {
Broker hp = hosts.getPartitionInformation().getBrokerFor(partition);
_kafka.put(partition, new SimpleConsumer(hp.host, hp.port, _config.socketTimeoutMs, _config.bufferSizeBytes, _config.clientId));
}
return _kafka.get(partition);
}
public void close() {
for (SimpleConsumer consumer : _kafka.values()) {
consumer.close();
}
}
}