/*
* 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);
}