samoa-apex/src/main/java/org/apache/samoa/apex/topology/impl/ApexTopology.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.apex.topology.impl;

import com.datatorrent.api.DAG;
import com.datatorrent.stram.plan.logical.LogicalPlan;

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

public class ApexTopology extends AbstractTopology {

  private DAG dag;

  public ApexTopology(DAG dag, String name) {
    super(name);
    this.dag = dag;
  }

  protected ApexTopology(String name) {
    super(name);
    dag = new LogicalPlan();
  }

  @Override
  public void addEntranceProcessingItem(EntranceProcessingItem epi) {
    ApexTopologyNode apexNode = (ApexTopologyNode) epi;
    apexNode.addToTopology(this, 1);
  }

  @Override
  public void addProcessingItem(IProcessingItem procItem) {
    addProcessingItem(procItem, 1);
  }

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

  @Override
  public void addStream(Stream stream) {
    super.addStream(stream);
  }

  public DAG getDAG() {
    return dag;
  }
}