Java tutorial
/* * Copyright 2013 Jive Software, 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. */ package com.jivesoftware.os.upena.shared; import com.fasterxml.jackson.annotation.JsonCreator; import com.fasterxml.jackson.annotation.JsonIgnoreProperties; import com.fasterxml.jackson.annotation.JsonProperty; import java.io.Serializable; import java.util.Objects; @JsonIgnoreProperties(ignoreUnknown = true) public class BasicTimestampedValue<V> implements TimestampedValue<V>, Serializable { private final long timestamp; private final boolean tombstoned; private final V value; @JsonCreator public BasicTimestampedValue(@JsonProperty("value") V value, @JsonProperty("timestamp") long timestamp, @JsonProperty("tombstoned") boolean tombstoned) { this.timestamp = timestamp; this.value = value; this.tombstoned = tombstoned; } public long getTimestamp() { return timestamp; } public boolean getTombstoned() { return tombstoned; } public V getValue() { return value; } @Override public String toString() { return "TimestampedValue{" + "timestamp=" + timestamp + ", tombstoned=" + tombstoned + ", value=" + value + '}'; } @Override public int hashCode() { int hash = 7; hash = 83 * hash + (int) (this.timestamp ^ (this.timestamp >>> 32)); hash = 83 * hash + (this.tombstoned ? 1 : 0); hash = 83 * hash + Objects.hashCode(this.value); return hash; } @Override public boolean equals(Object obj) { if (obj == null) { return false; } if (getClass() != obj.getClass()) { return false; } final BasicTimestampedValue<?> other = (BasicTimestampedValue<?>) obj; if (this.timestamp != other.timestamp) { return false; } if (this.tombstoned != other.tombstoned) { return false; } if (!Objects.equals(this.value, other.value)) { return false; } return true; } }