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/*
* (c) Copyright BEA Systems, Inc., Cape Clear Software, International Business Machines Corp, Interface21, IONA Technologies,
* Oracle, Primeton Technologies, Progress Software, Red Hat, Rogue Wave Software, SAP AG., Siemens AG., Software AG., Sybase
* Inc., TIBCO Software Inc., 2005, 2007. All rights reserved.
*
* see http://www.osoa.org/display/Main/Service+Component+Architecture+Specifications
*/
package org.oasisopen.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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