public interface

ContentHeader

implements Cloneable
//  The contents of this file are subject to the Mozilla Public License
//  Version 1.1 (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.mozilla.org/MPL/
//
//  Software distributed under the License is distributed on an "AS IS"
//  basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
//  the License for the specific language governing rights and
//  limitations under the License.
//
//  The Original Code is RabbitMQ.
//
//  The Initial Developer of the Original Code is VMware, Inc.
//  Copyright (c) 2007-2011 VMware, Inc.  All rights reserved.
//


package com.rabbitmq.client;

/**
 * Public API for abstract AMQP content header objects.
 */

public interface ContentHeader extends Cloneable {
    /**
     * Retrieve the class ID (see the spec for a list of allowable IDs).
     * @return class ID of this ContentHeader. Properly an unsigned short, i.e. only the lowest 16 bits are significant
     */
    public abstract int getClassId();

    /**
     * Retrieve the class name, eg "basic" (see the spec for a list of these).
     * @return class name of this ContentHeader
     */
    public abstract String getClassName();

    /**
     * A debugging utility - enable properties to be appended to a string buffer for use as trace messages.
     * @param buffer a place to append the properties as a string
     */
    public void appendPropertyDebugStringTo(StringBuilder buffer);
}