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/*
* Permission to copy, display and distribute the Service Component Architecture Specification and/or
* portions thereof, without modification, in any medium without fee or royalty is hereby granted, provided
* that you include the following on ALL copies of the Service Component Architecture Specification, or
* portions thereof, that you make:
* 1. A link or URL to the Service Component Architecture Specification at this location:
* http://www.osoa.org/display/Main/Service+Component+Architecture+Specifications
* 2. The full text of the copyright notice as shown in the Service Component Architecture Specification.
* BEA, Cape Clear, IBM, Interface21, IONA, Oracle, Primeton, Progress Software, Red Hat, Rogue Wave,
* SAP, Siemens, Software AG., Sun, Sybase, TIBCO (collectively, the "Authors") agree to grant you a
* royalty-free license, under reasonable, non-discriminatory terms and conditions to patents that they deem
* necessary to implement the Service Component Architecture Specification.
* THE Service Component Architecture SPECIFICATION IS PROVIDED "AS IS," AND THE
* AUTHORS MAKE NO REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED,
* REGARDING THIS SPECIFICATION AND THE IMPLEMENTATION OF ITS CONTENTS,
* INCLUDING, BUT NOT LIMITED TO, WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
* PARTICULAR PURPOSE, NON-INFRINGEMENT OR TITLE.
* THE AUTHORS WILL NOT BE LIABLE FOR ANY DIRECT, INDIRECT, SPECIAL, INCIDENTAL
* OR CONSEQUENTIAL DAMAGES ARISING OUT OF OR RELATING TO ANY USE OR
* DISTRIBUTION OF THE Service Components Architecture SPECIFICATION.
* The name and trademarks of the Authors may NOT be used in any manner, including advertising or
* publicity pertaining to the Service Component Architecture Specification or its contents without specific,
*/
package org.osoa.sca;
/**
* Common superclass for references that can be passed between components.
*
* @version $Rev$ $Date$
* @param <B> the Java interface associated with this reference
*/
public interface CallableReference<B> {
/**
* Returns a type-safe reference to the target of this reference.
* The instance returned is guaranteed to implement the business interface for this reference
* but may not be a proxy as defined by java.lang.reflect.Proxy.
*
* @return a proxy to the target that implements the business interface associated with this reference
*/
B getService();
/**
* Returns the Java class for the business interface associated with this reference.
*
* @return the Class for the business interface associated with this reference
*/
Class<B> getBusinessInterface();
/**
* Returns true if this reference is conversational.
*
* @return true if this reference is conversational
*/
boolean isConversational();
/**
* Returns the conversation associated with this reference.
* Returns null if no conversation is currently active.
*
* @return the conversation associated with this reference; may be null
*/
Conversation getConversation();
/**
* Returns the callback ID.
*
* @return the callback ID
*/
Object getCallbackID();
}
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