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/**
* 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();
}
}