| /* |
| * Copyright 2017-present Open Networking Foundation |
| * |
| * 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 org.onosproject.store.cluster.messaging.impl; |
| |
| import org.onosproject.core.HybridLogicalTime; |
| |
| /** |
| * Base class for internal messages. |
| */ |
| public abstract class InternalMessage { |
| |
| /** |
| * Internal message type. |
| */ |
| public enum Type { |
| REQUEST(1), |
| REPLY(2); |
| |
| private final int id; |
| |
| Type(int id) { |
| this.id = id; |
| } |
| |
| /** |
| * Returns the unique message type ID. |
| * |
| * @return the unique message type ID. |
| */ |
| public int id() { |
| return id; |
| } |
| |
| /** |
| * Returns the message type enum associated with the given ID. |
| * |
| * @param id the type ID. |
| * @return the type enum for the given ID. |
| */ |
| public static Type forId(int id) { |
| switch (id) { |
| case 1: |
| return REQUEST; |
| case 2: |
| return REPLY; |
| default: |
| throw new IllegalArgumentException("Unknown status ID " + id); |
| } |
| } |
| } |
| |
| private final int preamble; |
| private final HybridLogicalTime time; |
| private final long id; |
| private final byte[] payload; |
| |
| protected InternalMessage(int preamble, |
| HybridLogicalTime time, |
| long id, |
| byte[] payload) { |
| this.preamble = preamble; |
| this.time = time; |
| this.id = id; |
| this.payload = payload; |
| } |
| |
| public abstract Type type(); |
| |
| public boolean isRequest() { |
| return type() == Type.REQUEST; |
| } |
| |
| public boolean isReply() { |
| return type() == Type.REPLY; |
| } |
| |
| public HybridLogicalTime time() { |
| return time; |
| } |
| |
| public int preamble() { |
| return preamble; |
| } |
| |
| public long id() { |
| return id; |
| } |
| |
| public byte[] payload() { |
| return payload; |
| } |
| } |