org.omg.PortableServer
Class ServantActivatorPOA

java.lang.Object   
  org.omg.PortableServer.Servant   
      org.omg.PortableServer.ServantActivatorPOA

All Implemented Interfaces:

InvokeHandler , ServantActivatorOperations , ServantManagerOperations

public abstract class ServantActivatorPOA
extends Servant   
implements ServantActivatorOperations   , InvokeHandler   

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

Constructor Summary

ServantActivatorPOA ()

Method Summary

String []	_all_interfaces (POA poa, byte[] objectId) Used by the ORB to obtain complete type information from the servant.
OutputStream	_invoke (String $method, InputStream in, ResponseHandler $rh) Invoked by the ORB to dispatch a request to the servant.
ServantActivator	_this ()
ServantActivator	_this (ORB orb)

Methods inherited from class org.omg.PortableServer.Servant

_default_POA , _get_delegate , _get_interface_def , _is_a , _non_existent , _object_id , _orb , _poa , _set_delegate , _this_object , _this_object

Methods inherited from class java.lang.Object

clone , equals , finalize , getClass , hashCode , notify , notifyAll , toString , wait , wait , wait

Methods inherited from interface org.omg.PortableServer.ServantActivatorOperations

etherealize , incarnate

Constructor Detail

ServantActivatorPOA

public ServantActivatorPOA()

Method Detail

_invoke

public OutputStream    _invoke(String    $method,
                            InputStream    in,
                            ResponseHandler    $rh)

Description copied from interface: InvokeHandler

Invoked by the ORB to dispatch a request to the servant. ORB passes the method name, an InputStream containing the marshalled arguments, and a ResponseHandler which the servant uses to construct a proper reply. Only CORBA SystemException may be thrown by this method. The method must return an OutputStream created by the ResponseHandler which contains the marshalled reply. A servant must not retain a reference to the ResponseHandler beyond the lifetime of a method invocation. Servant behaviour is defined as follows:

1. Determine correct method, and unmarshal parameters from InputStream.

2. Invoke method implementation.

3. If no user exception, create a normal reply using ResponseHandler.

4. If user exception occurred, create exception reply using ResponseHandler.

5. Marshal reply into OutputStream returned by ResponseHandler.

6. Return OutputStream to ORB.

Specified by:

_invoke in interface InvokeHandler

Parameters:

$method - The method name.

in - The InputStream containing the marshalled arguments.

$rh - The ResponseHandler which the servant uses to construct a proper reply

Returns:

The OutputStream created by the ResponseHandler which contains the marshalled reply

_all_interfaces

public String   [] _all_interfaces(POA    poa,
                                byte[] objectId)

Description copied from class: Servant

Used by the ORB to obtain complete type information from the servant.

Specified by:

_all_interfaces in class Servant

Parameters:

poa - POA with which the servant is associated.

objectId - is the id corresponding to the object associated with this servant.

Returns:

list of type information for the object.

_this

public ServantActivator    _this()

_this

public ServantActivator    _this(ORB    orb)