Instantiating proxy instances

After you have compiled stub classes, you can implement code that uses the stubs to interact with EAServer components.

Your program must obtain proxy objects for the EAServer component and narrow them to the stub interface that you intend to use by following the steps below:

Step	What it does	Detailed explanation
1	Initialize the CORBA ORB classes.	“Configuring and initializing the ORB runtime”
2	Use an IOR string and the ORB.string_to_object method to obtain the Manager instance for the server.	“Creating a Manager instance”
3	Use the Manager instance to create a Session.	“Creating sessions”
4	Call the Session’s lookup method to create proxy objects, then narrow them to an interface that the component supports. The lookup method uses the EAServer name service to resolve the requested name to an installed component.	“Creating stub instances”
5	Call the stub methods to remotely invoke component methods.	“Executing component methods”

Java exceptions can occur at any step. “Handling exceptions” describes common exceptions and their cause.

Other patterns for proxy instantiation Some patterns for proxy instantiation used in clients written for earlier EAServer releases are not compatible with EAServer 6.0. In particular, clients that use the CosNaming API or SessionManager::Factory::create methods that take parameters should be modified to use the implementation pattern described here. For more information, see “Using the CosNaming interface”.