content: /*
   * 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.alibaba.jstorm.flux.api;
  
  import backtype.storm.generated.StormTopology;
  
  import java.util.Map;
  
  /**
   * Marker interface for objects that can produce `StormTopology` objects.
   *
   * If a `topology-source` class implements the `getTopology()` method, Flux will
   * call that method. Otherwise, it will introspect the given class and look for a
   * similar method that produces a `StormTopology` instance.
   *
   * Note that it is not strictly necessary for a class to implement this interface.
   * If a class defines a method with a similar signature, Flux should be able to find
   * and invoke it.
   *
   */
  public interface TopologySource {
      public StormTopology getTopology(Map<String, Object> config);
  }
  