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/* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF 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 org.apache.qpid.messaging.internal;
import org.apache.qpid.messaging.Message;
import org.apache.qpid.messaging.MessageFactory;
import org.apache.qpid.messaging.cpp.CppMessageFactory;
public interface MessageInternal extends Message
{
/**
* Allows Internal objects to determine if a message
* was created by a compatible message factory without
* having to resort to casting to find out.
*
* Class was used, in order to allow reuse of compatible
* MessageFactories between implementations, instead of locking into
* the exact instance that created it.
*
* @return The Class that created this Message.
*/
public Class<? extends MessageFactory> getMessageFactoryClass();
/**
* Provides a reference to the Factory specific Message delegate
* that was used when creating a concrete instance of this message.
* You cannot assume the immediate delegate of a message
* object to be the native format. There could be several
* adapters and/or decorators around the native message.
*
* The calling Object should know how to cast the generic object
* to the required type.
* Ex @see {@link CppMessageFactory#CppMessageDelegate}
* and @see {@link CppSender}
*/
public Object getFactorySpecificMessageDelegate();
}
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