// 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); }