| /** |
| * 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 org.apache.heron.streamlet; |
| |
| |
| import java.io.Serializable; |
| |
| /** |
| * Window is a container containing information about a particular window. |
| * Transformations that depend on Windowing, pass the window information |
| * inside their streamlets using this container. |
| */ |
| public final class Window implements Serializable { |
| private static final long serialVersionUID = 5103471810104775854L; |
| private long startTimeMs; |
| private long endTimeMs; |
| private long count; |
| |
| Window() { |
| // nothing really |
| } |
| |
| public Window(long startTimeMs, long endTimeMs, long count) { |
| this.startTimeMs = startTimeMs; |
| this.endTimeMs = endTimeMs; |
| this.count = count; |
| } |
| |
| public long getStartTime() { |
| return startTimeMs; |
| } |
| public long getEndTime() { |
| return endTimeMs; |
| } |
| public long getCount() { |
| return count; |
| } |
| |
| @Override |
| public String toString() { |
| return "{WindowStart: " + String.valueOf(startTimeMs) + " WindowEnd: " |
| + String.valueOf(endTimeMs) + " Count: " + String.valueOf(count) + " }"; |
| } |
| } |