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

Returns:

list of type information for the object.

_this

public ServantActivator _this()

_this

public ServantActivator _this(ORB orb)