| /** |
| * 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 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(); |
| } |
| } |
| } |