| package com.yahoo.labs.samoa.utils; |
| |
| /* |
| * #%L |
| * SAMOA |
| * %% |
| * Copyright (C) 2013 Yahoo! Inc. |
| * %% |
| * Licensed 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. |
| * #L% |
| */ |
| |
| import com.yahoo.labs.samoa.topology.IProcessingItem; |
| |
| /** |
| * Represents one destination for streams. It has the info of: the ProcessingItem, parallelismHint, and partitioning |
| * scheme. Usage: - When ProcessingItem connects to a stream, it will pass a StreamDestination to the stream. - Stream |
| * manages a set of StreamDestination. - Used in single-threaded and multi-threaded local mode. |
| * |
| * @author Anh Thu Vu |
| * |
| */ |
| public class StreamDestination { |
| private IProcessingItem pi; |
| private int parallelism; |
| private PartitioningScheme type; |
| |
| /* |
| * Constructor |
| */ |
| public StreamDestination(IProcessingItem pi, int parallelismHint, PartitioningScheme type) { |
| this.pi = pi; |
| this.parallelism = parallelismHint; |
| this.type = type; |
| } |
| |
| /* |
| * Getters |
| */ |
| public IProcessingItem getProcessingItem() { |
| return this.pi; |
| } |
| |
| public int getParallelism() { |
| return this.parallelism; |
| } |
| |
| public PartitioningScheme getPartitioningScheme() { |
| return this.type; |
| } |
| |
| } |