org.springframework.amqp.core.MessageDeliveryMode.java Source code

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Here is the source code for org.springframework.amqp.core.MessageDeliveryMode.java

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/*
 * Copyright 2002-2019 the original author or authors.
 *
 * 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
 *
 *      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.springframework.amqp.core;

/**
 * Enumeration for the message delivery mode. Can be persistent or
 * non persistent. Use the method 'toInt' to get the appropriate value
 * that is used by the AMQP protocol instead of the ordinal() value when
 * passing into AMQP APIs.
 *
 * @author Mark Pollack
 * @author Gary Russell
 *
 */
public enum MessageDeliveryMode {

    /**
     * Non persistent.
     */
    NON_PERSISTENT,

    /**
     * Persistent.
     */
    PERSISTENT;

    public static int toInt(MessageDeliveryMode mode) {
        switch (mode) {
        case NON_PERSISTENT:
            return 1;
        case PERSISTENT:
            return 2;
        default:
            return -1;
        }
    }

    public static MessageDeliveryMode fromInt(int modeAsNumber) {
        switch (modeAsNumber) {
        case 1:
            return NON_PERSISTENT;
        case 2:
            return PERSISTENT;
        default:
            return null;
        }
    }

}