io.dddspring.common.port.adapter.messaging.rabbitmq.MessageParameters Maven / Gradle / Ivy

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//   Copyright 2012,2013 Vaughn Vernon
//
//   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 io.dddspring.common.port.adapter.messaging.rabbitmq;

import com.rabbitmq.client.AMQP.BasicProperties;

import java.util.Date;

/**
 * I am a set of message parameters.
 *
 * @author Vaughn Vernon
 */
public class MessageParameters {

    private BasicProperties properties;

    public static MessageParameters durableTextParameters(
            String aType,
            String aMessageId,
            Date aTimestamp) {

        BasicProperties properties =
            new BasicProperties(
                    "text/plain",   // contentType
                    null,           // contentEncoding
                    null,           // headers
                    2,              // deliveryMode, persistent
                    0,              // priority
                    null,           // correlationId
                    null,           // replyTo
                    null,           // expiration
                    aMessageId,     // messageId
                    aTimestamp,     // timestamp
                    aType,          // type
                    null,           // userId
                    null,           // appId
                    null);          // clusterId

        return new MessageParameters(properties);
    }

    public static MessageParameters textParameters(
            String aType,
            String aMessageId,
            Date aTimestamp) {

        BasicProperties properties =
            new BasicProperties(
                    "text/plain",   // contentType
                    null,           // contentEncoding
                    null,           // headers
                    1,              // deliveryMode, non-persistent
                    0,              // priority
                    null,           // correlationId
                    null,           // replyTo
                    null,           // expiration
                    aMessageId,     // messageId
                    aTimestamp,     // timestamp
                    aType,          // type
                    null,           // userId
                    null,           // appId
                    null);          // clusterId

        return new MessageParameters(properties);
    }

    public boolean isDurable() {
        Integer deliveryMode = this.properties().getDeliveryMode();

        return (deliveryMode != null && deliveryMode == 2);
    }

    protected BasicProperties properties() {
        return this.properties;
    }

    private MessageParameters(BasicProperties aProperties) {
        super();
        this.properties(aProperties);
    }

    private void properties(BasicProperties aProperties) {
        this.properties = aProperties;
    }
}