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/*
 * 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:
 *
 * 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 io.netty.handler.codec.mqtt;

public enum MqttQoS {
    AT_MOST_ONCE(0),
    AT_LEAST_ONCE(1),
    EXACTLY_ONCE(2),
    FAILURE(0x80);

    private final int value;

    MqttQoS(int value) {
        this.value = value;
    }

    public int value() {
        return value;
    }

    public static MqttQoS valueOf(int value) {
        for (MqttQoS q: values()) {
            if (q.value == value) {
                return q;
            }
        }
        throw new IllegalArgumentException("invalid QoS: " + value);
    }
}




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