Basic HTML version of Foils prepared July 5 98

Foil 47 Getting a handle to the DataBahn (CORBA)

From FMS: Forces Modeling and Simulation Handout JSU HPC Summer Institute for Undergraduates, Jackson MS -- June 15 1998. by Wojtek Furmanski, Subhash Nair, Tom Pulikal


1 public void getDataBahnHandle() {
2 try {
3 _chatSession.createBahn(partyName, "Chat");
4 System.out.println("New Party created");
5 } catch (jdceBahnException e) {
6 System.out.println("Exception in creations" +e);
7 } catch (Exception e) {
8 e.printStackTrace();
9 }
10
11 long startTime = System.currentTimeMillis();
12 try {
13 // Initialize the ORB.
14 org.omg.CORBA.ORB orb = org.omg.CORBA.ORB.init(this, null);
15
16 /* Get a reference to the Naming Service */
17 org.omg.CORBA.Object nameServiceObj =
18 orb.resolve_initial_references("NameService");
19
20 if (nameServiceObj == null) {
21 System.out.println("Name Service Object = null");
22 return;
23 }
24
25 org.omg.CosNaming.NamingContext nameService =
26 org.omg.CosNaming.NamingContextHelper.narrow(nameServiceObj);
27 if (nameService == null) {
28 System.out.println("nameService = null");
29 return;
30 }
31
32 NameComponent[] collabName =
33 { new NameComponent("Collaboration", partyName+"Chat"+"Coordinator")};
34
35 _chatBahn=
36 jdce.byteways.dataBahnHelper.narrow(nameService.resolve(collabName));
37 } catch(Exception e) {
38 System.out.println("Exception: " + e);
39 }
40 long stopTime = System.currentTimeMillis();
41 System.out.println("Avg Ping to invoke = "
42 + ((stopTime - startTime)/1000f) + " msecs");
43 }

in Table To:


© Northeast Parallel Architectures Center, Syracuse University, npac@npac.syr.edu

If you have any comments about this server, send e-mail to webmaster@npac.syr.edu.

Page produced by wwwfoil on Sat Nov 28 1998