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/**
 * 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.datatorrent.api;

import java.lang.reflect.Array;

/**
 * Abstraction for the processing logic or consumption of a data tuple.
 * Implemented by concrete data ports for their processing behavior or by streams.
 *
 * @param 
 * @since 0.3.2
 */
public interface Sink
{
  /**
   * Constant
   * NO_SINKS
   *
   * Use this constant if you need array of size 0 of sinks. Typically it's needed to confirm with
   * the code logic that expects a non null array of sinks to be passed in where you would ideally
   * pass null otherwise.
   */
  @SuppressWarnings("unchecked")
  Sink