org.apache.hudi.org.apache.hbase.thirdparty.io.netty.handler.codec.mqtt.MqttMessageType Maven / Gradle / Ivy
/*
* Copyright 2014 The Netty Project
*
* The Netty Project 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:
*
* https://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.hbase.thirdparty.io.netty.handler.codec.mqtt;
/**
* MQTT Message Types.
*/
public enum MqttMessageType {
CONNECT(1),
CONNACK(2),
PUBLISH(3),
PUBACK(4),
PUBREC(5),
PUBREL(6),
PUBCOMP(7),
SUBSCRIBE(8),
SUBACK(9),
UNSUBSCRIBE(10),
UNSUBACK(11),
PINGREQ(12),
PINGRESP(13),
DISCONNECT(14),
AUTH(15);
private static final MqttMessageType[] VALUES;
static {
// this prevent values to be assigned with the wrong order
// and ensure valueOf to work fine
final MqttMessageType[] values = values();
VALUES = new MqttMessageType[values.length + 1];
for (MqttMessageType mqttMessageType : values) {
final int value = mqttMessageType.value;
if (VALUES[value] != null) {
throw new AssertionError("value already in use: " + value);
}
VALUES[value] = mqttMessageType;
}
}
private final int value;
MqttMessageType(int value) {
this.value = value;
}
public int value() {
return value;
}
public static MqttMessageType valueOf(int type) {
if (type <= 0 || type >= VALUES.length) {
throw new IllegalArgumentException("unknown message type: " + type);
}
return VALUES[type];
}
}