/**
* 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 storm.trident.operation;
import storm.trident.Stream;
/**
* The `Assembly` interface provides a means to encapsulate logic applied to a {@link org.apache.storm.trident.Stream}.
*
* Usage:
*
* ```java
* Stream mystream = ...;
* Stream assemblyStream = mystream.applyAssembly(myAssembly);
* ```
*
* @see org.apache.storm.trident.Stream
* @see org.apache.storm.trident.operation.builtin.FirstN
*
*/
public interface Assembly {
/**
* Applies the `Assembly` to a given {@link org.apache.storm.trident.Stream}
*
* @param input
* @return
*/
Stream apply(Stream input);
}