/**
 * 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.trident;

import org.apache.storm.kafka.Partition;
import org.apache.storm.task.TopologyContext;
import org.apache.storm.trident.spout.IPartitionedTridentSpout;
import org.apache.storm.tuple.Fields;

import java.util.Map;

/**
 * @deprecated storm-kafka has been deprecated and will be removed in a future Storm release. Please upgrade to storm-kafka-client.
 * If you need to migrate the committed offsets to the new spout, consider using the storm-kafka-migration tool.
 */
@Deprecated
public class TransactionalTridentKafkaSpout implements IPartitionedTridentSpout<GlobalPartitionInformation, Partition, Map> {

    TridentKafkaConfig _config;

    public TransactionalTridentKafkaSpout(TridentKafkaConfig config) {
        _config = config;
    }


    @Override
    public IPartitionedTridentSpout.Coordinator getCoordinator(Map conf, TopologyContext context) {
        return new org.apache.storm.kafka.trident.Coordinator(conf, _config);
    }

    @Override
    public IPartitionedTridentSpout.Emitter getEmitter(Map conf, TopologyContext context) {
        return new TridentKafkaEmitter(conf, context, _config, context.getStormId()).asTransactionalEmitter();
    }

    @Override
    public Fields getOutputFields() {
        return _config.scheme.getOutputFields();
    }

    @Override
    public Map<String, Object> getComponentConfiguration() {
        return null;
    }
}
