Interface ServantLocatorOperations

public void postinvoke(byte[] Object_Id,
                       POA poa,
                       String operation,
                       Object cookie,
                       Servant servant)

If the POA has the USE_SERVANT_MANAGER and NON_RETAIN policies, it invokes this method whenever a servant completes a request.

Parameters:

Object_Id - the id of the object, on which the request was called.

poa - the POA in those scope the object is active.

operation - the name of the method or operation that was invoked.

cookie - the object that has been previously set by preinvoke in the cookie_holder parameter.

servant - the servant, associated with the object.

public Servant preinvoke(byte[] Object_Id,
                         POA poa,
                         String operation,
                         CookieHolder cookie_holder)
            throws ForwardRequest

If the POA has the USE_SERVANT_MANAGER and NON_RETAIN policies, it invokes this method whenever the object being requested that is not inactive. This method has access to all details of the received request and can use them to choose between servaral alternative servants. It can also forward the request to another server.

Parameters:

Object_Id - the id of the object, on which the request was called.

poa - the POA in those scope the object is active.

operation - the name of the method or operation being invoked.

cookie_holder - the holder where the servant manager can store an arbitrary java.lang.Object. This object will be later passed as a cookie parameter for postinvoke(byte[],POA,String,Object,Servant), to create tie between preinvoke and postinvoke. The application should not suppose that each call of preinvoke is followed by the subsequent postinvoke for the same invocation; under multi threaded policy these calls may be intermixed.

Returns:

a servant that will serve the incoming request.

Throws:

ForwardRequest - if the locator decides to forward the request to another object. The exception contains the object that should handle this request. This object is usually remote, but can also be local. As preinvoke is called on each method invocation, the thrown exception will forward only this current request.