samoa-storm/src/main/java/org/apache/samoa/topology/impl/StormTopology.java

/*
 * 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.samoa.topology.impl;

import org.apache.samoa.topology.AbstractTopology;
import org.apache.samoa.topology.IProcessingItem;

import backtype.storm.topology.TopologyBuilder;

/**
 * Adaptation of SAMOA topology in samoa-storm
 * 
 * @author Arinto Murdopo
 * 
 */
public class StormTopology extends AbstractTopology {

  private TopologyBuilder builder;

  public StormTopology(String topologyName) {
    super(topologyName);
    this.builder = new TopologyBuilder();
  }

  @Override
  public void addProcessingItem(IProcessingItem procItem, int parallelismHint) {
    StormTopologyNode stormNode = (StormTopologyNode) procItem;
    stormNode.addToTopology(this, parallelismHint);
    super.addProcessingItem(procItem, parallelismHint);
  }

  public TopologyBuilder getStormBuilder() {
    return builder;
  }
}