| /* |
| * 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.samza.util; |
| |
| /** |
| * An immutable pair of a value, and its corresponding timestamp. |
| * |
| * @param <V> the type of the value |
| */ |
| public class TimestampedValue<V> { |
| private final V value; |
| private final long timestamp; |
| |
| public TimestampedValue(V v, long timestamp) { |
| this.value = v; |
| this.timestamp = timestamp; |
| } |
| |
| public V getValue() { |
| return value; |
| } |
| |
| public long getTimestamp() { |
| return timestamp; |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (this == o) return true; |
| if (o == null || !getClass().equals(o.getClass())) return false; |
| |
| TimestampedValue<?> that = (TimestampedValue<?>) o; |
| |
| if (timestamp != that.timestamp) return false; |
| return value != null ? value.equals(that.value) : (that.value == null); |
| } |
| |
| @Override |
| public int hashCode() { |
| int result = value != null ? value.hashCode() : 0; |
| result = 31 * result + (int) (timestamp ^ (timestamp >>> 32)); |
| return result; |
| } |
| } |