| /** |
| * 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.atlas.notification; |
| |
| /** |
| * Represents a notification message that is associated with a version. |
| */ |
| public class VersionedMessage<T> { |
| |
| /** |
| * The version of the message. |
| */ |
| private final MessageVersion version; |
| |
| /** |
| * The actual message. |
| */ |
| private final T message; |
| |
| |
| // ----- Constructors ---------------------------------------------------- |
| |
| /** |
| * Create a versioned message. |
| * |
| * @param version the message version |
| * @param message the actual message |
| */ |
| public VersionedMessage(MessageVersion version, T message) { |
| this.version = version; |
| this.message = message; |
| } |
| |
| |
| // ----- VersionedMessage ------------------------------------------------ |
| |
| /** |
| * Compare the version of this message with the given version. |
| * |
| * @param compareToVersion the version to compare to |
| * |
| * @return a negative integer, zero, or a positive integer as this message's version is less than, equal to, |
| * or greater than the given version. |
| */ |
| public int compareVersion(MessageVersion compareToVersion) { |
| return version.compareTo(compareToVersion); |
| } |
| |
| |
| // ----- accessors ------------------------------------------------------- |
| |
| public MessageVersion getVersion() { |
| return version; |
| } |
| |
| public T getMessage() { |
| return message; |
| } |
| } |