org.apache.storm.kafka.StaticPartitionConnections Maven / Gradle / Ivy
/**
* 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 org.apache.storm.kafka;
import java.util.HashMap;
import java.util.Map;
import kafka.javaapi.consumer.SimpleConsumer;
public class StaticPartitionConnections {
private Map kafka = new HashMap();
private KafkaConfig config;
private 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();
}
}
}