com.microsoft.eventhubs.trident.OpaqueTridentEventHubSpout Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of eventhubs-storm-spout Show documentation

Azure EventHubs Spout for Apache Storm

The newest version!

/*******************************************************************************
 * 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.microsoft.eventhubs.trident;

import java.util.Map;

import com.microsoft.eventhubs.spout.EventHubSpoutConfig;
import com.microsoft.eventhubs.spout.IEventDataScheme;

import backtype.storm.task.TopologyContext;
import backtype.storm.tuple.Fields;
import storm.trident.spout.IOpaquePartitionedTridentSpout;

/**
 * Opaque Trident EventHubs Spout
 */
public class OpaqueTridentEventHubSpout implements IOpaquePartitionedTridentSpout {
  private static final long serialVersionUID = 1L;
  private final IEventDataScheme scheme;
  private final EventHubSpoutConfig spoutConfig;

  public OpaqueTridentEventHubSpout(EventHubSpoutConfig config) {
    spoutConfig = config;
    scheme = spoutConfig.getEventDataScheme();
  }

  @Override
  public Map getComponentConfiguration() {
    return null;
  }

  @Override
  public IOpaquePartitionedTridentSpout.Coordinator getCoordinator(
      Map conf, TopologyContext context) {
    return new com.microsoft.eventhubs.trident.Coordinator(spoutConfig);
  }

  @Override
  public IOpaquePartitionedTridentSpout.Emitter getEmitter(
      Map conf, TopologyContext context) {
    return new OpaqueTridentEventHubEmitter(spoutConfig);
  }

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

}