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// README,v 1.5 2002/08/22 18:08:04 irfan Exp

On_Demand_Activation Tests:
==========================

Description:
===========

ServantManagers:
===============

Servant managers are associated with POAs. A servant manager supplies
a POA with the ability to objects on demand when the POA receives a
request targeted at an inactive object. A servant manager is
registered with a POA as a callback object, to be invoked by the POA
when necessary.  An application server that activates all its needed
objects at the beginning of execution does not need to use a servant
manager; it is used only for the case in which an object must be
activated during request processing.

When the POA has the RETAIN policy it uses servant managers that are
ServantActivators. When the POA has the NON_RETAIN policy it uses
servant managers that are ServantLocators.

server:
======

        The test program server creates 2 POAs firstPOA and secondPOA.
firstPOA is created with a RETAIN,USER_ID,USE_SERVANT_MANAGER policy
and test_i_Activator is registered as its servant Manager.
secondPOA is created with a NON_RETAIN,USER_ID,USE_SERVANT_MANAGER
policy and ServantLocator is registered as it servant Manager.

It then creates an object reference from the string "first test" in
firstPOA and prints its IOR.Similarly it creates an object reference
from the string "second test" in secondPOA and prints its IOR. Finally
it changes the state of the POA_Manager to 'active' and runs the ORB.

USAGE:
======

You can use the run_test.pl perl script or follow these directions:

%server [-ORBobjrefstyle URL] [-f IOR file]

client:
======
        The client program is in the path

        TAO/tests/POA/Generic_Servant/client
        i.e ../Generic_Servant/client

% client [-k IOR] [-f IOR file]

where IOR is got from the server output to the screen or to the IOR file.

To Test:
=======

1. Run the server

Servant Activator:
===================

2. Get the IOR for "first test"  from the server output .

3. Run client -k IOR	

4. You should get an output

        27

along with some diagnostic messages.

Servant Locator:
=================

2. Get the IOR for "second test" from the server output

3. Run client -k IOR

4. The first time a client is run you should get an output

        2 (or 1)

along with some diagnostic messages.

5. Subsequent runs of the client program results in the output
   incremented by 2 (or 1).

6. Thus, the second run of client should give you an output 4 (or 2).