| /* |
| * 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. |
| */ |
| |
| namespace Apache.Ignite.ExamplesDll.Compute |
| { |
| using Apache.Ignite.Core.Compute; |
| |
| /// <summary> |
| /// Character count reducer which collects individual string lengths and aggregate them. |
| /// </summary> |
| public class CharacterCountReducer : IComputeReducer<int, int> |
| { |
| /// <summary> Total length. </summary> |
| private int _length; |
| |
| /// <summary> |
| /// Collect character counts of distinct words. |
| /// </summary> |
| /// <param name="res">Character count of a distinct word.</param> |
| /// <returns><c>True</c> to continue collecting results until all closures are finished.</returns> |
| public bool Collect(int res) |
| { |
| _length += res; |
| |
| return true; |
| } |
| |
| /// <summary> |
| /// Reduce all collected results. |
| /// </summary> |
| /// <returns>Total character count.</returns> |
| public int Reduce() |
| { |
| return _length; |
| } |
| } |
| } |