| /** |
| * 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 com.jwplayer.sqe.trident.spout.kafka; |
| |
| import org.apache.storm.kafka.Partition; |
| import org.apache.storm.kafka.trident.GlobalPartitionInformation; |
| import org.apache.storm.kafka.trident.TransactionalTridentKafkaSpout; |
| import org.apache.storm.kafka.trident.TridentKafkaConfig; |
| import org.apache.storm.task.TopologyContext; |
| import org.apache.storm.trident.spout.IPartitionedTridentSpout; |
| import org.apache.storm.tuple.Fields; |
| |
| import java.util.Map; |
| |
| |
| public class FilteredTransactionalTridentKafkaSpout implements IPartitionedTridentSpout<GlobalPartitionInformation, Partition, Map> { |
| private TridentKafkaConfig config; |
| private long hwmTtl; |
| private TransactionalTridentKafkaSpout spout; |
| |
| public FilteredTransactionalTridentKafkaSpout(TridentKafkaConfig config, long hwmTtl) { |
| this.config = config; |
| this.hwmTtl = hwmTtl; |
| this.spout = new TransactionalTridentKafkaSpout(config); |
| } |
| |
| @Override |
| public Map<String, Object> getComponentConfiguration() { |
| return spout.getComponentConfiguration(); |
| } |
| |
| @Override |
| @SuppressWarnings("unchecked") |
| public Coordinator<GlobalPartitionInformation> getCoordinator(Map conf, TopologyContext context) { |
| return spout.getCoordinator(conf, context); |
| } |
| |
| @Override |
| @SuppressWarnings("unchecked") |
| public Emitter<GlobalPartitionInformation, Partition, Map> getEmitter(Map conf, TopologyContext context) { |
| return (new FilteredTridentKafkaEmitter(conf, context, config, context.getStormId(), hwmTtl)).asTransactionalEmitter(); |
| } |
| |
| @Override |
| public Fields getOutputFields() { |
| return spout.getOutputFields(); |
| } |
| } |