| /** |
| * 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.lib.math; |
| |
| import com.datatorrent.api.DefaultOutputPort; |
| import com.datatorrent.api.annotation.OutputPortFieldAnnotation; |
| import com.datatorrent.common.util.BaseOperator; |
| |
| /** |
| * Abstract base operator defining optional double/float/long/integer output port. |
| * <p> |
| * Common port declaration in operators. |
| * |
| * @displayName Abstract Output |
| * @category Math |
| * @tags output operator, multiple datatype |
| * @since 0.3.3 |
| */ |
| public abstract class AbstractOutput extends BaseOperator |
| { |
| /** |
| * Double type output. |
| */ |
| @OutputPortFieldAnnotation(optional = true) |
| public final transient DefaultOutputPort<Double> doubleResult = new DefaultOutputPort<Double>(); |
| |
| /** |
| * Float type output. |
| */ |
| @OutputPortFieldAnnotation(optional = true) |
| public final transient DefaultOutputPort<Float> floatResult = new DefaultOutputPort<Float>(); |
| |
| /** |
| * Long type output. |
| */ |
| @OutputPortFieldAnnotation(optional = true) |
| public final transient DefaultOutputPort<Long> longResult = new DefaultOutputPort<Long>(); |
| |
| /** |
| * Integer type output. |
| */ |
| @OutputPortFieldAnnotation(optional = true) |
| public final transient DefaultOutputPort<Integer> integerResult = new DefaultOutputPort<Integer>(); |
| } |