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org.omg.PortableServer
interface ServantLocatorOperations
- All Superinterfaces:
- ServantManagerOperations
- All Known Implementing Classes:
- ServantLocatorPOA
public interface ServantLocatorOperations
extends ServantManagerOperations
When the POA has the NON_RETAIN policy it uses servant
managers that are ServantLocators. Because the POA
knows that the servant returned by this servant
manager will be used only for a single request,
it can supply extra information to the servant
manager's operations and the servant manager's pair
of operations may be able to cooperate to do
something different than a ServantActivator.
When the POA uses the ServantLocator interface,
immediately after performing the operation invocation
on the servant returned by preinvoke, the POA will
invoke postinvoke on the servant manager, passing the
ObjectId value and the Servant value as parameters
(among others). This feature may be used to force
every request for objects associated with a POA to
be mediated by the servant manager.
Method Summary |
void |
This operation is invoked whenener a servant completes
a request.
|
Servant |
This operations is used to get a servant that will be
used to process the request that caused preinvoke to
be called.
|
postinvoke
public void postinvoke(byte[] oid,
POA adapter,
String operation,
Object the_cookie,
Servant the_servant)
-
This operation is invoked whenener a servant completes
a request.
- Parameters:
oid
- the object id ssociated with object on which
the request was made.
adapter
- the reference for POA in which the
object was active.
operation
the_cookie
- an opaque value that contains
the data set by preinvoke.
the_servant
- reference to the servant that is
associated with the object.
preinvoke
public Servant preinvoke(byte[] oid,
POA adapter,
String operation,
CookieHolder the_cookie)
throws ForwardRequest
-
This operations is used to get a servant that will be
used to process the request that caused preinvoke to
be called.
- Parameters:
oid
- the object id associated with object on
which the request was made.
adapter
- the reference for POA in which the
object is being activated.
operation
- the operation name.
the_cookie
- an opaque value that can be set
by the servant manager to be used
during postinvoke.
- Returns:
- Servant used to process incoming request.
- Throws:
ForwardRequest
- to indicate to the ORB
that it is responsible for delivering
the current request and subsequent
requests to the object denoted in the
forward_reference member of the exception.
This documentation differs from the official API.
Jadeite adds
extra features to the API including:
variable font sizes,
constructions examples,
placeholders for classes and methods, and auto-generated “See Also” links.
Additionally it
is missing some items found in standard Javadoc documentation, including:
generics type information,
“Deprecated” tags and comments,
“See Also” links,
along with other minor differences.
Please send any questions or feedback to
bam@cs.cmu.edu.
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The official Sun™ documentation can be found here at
http://java.sun.com/javase/6/docs/api/.