|
org.omg.CORBA.Object s1_obj, s2_obj,
|
|
uc1_obj, uc2_obj,m1_obj,m2_obj;
|
|
GatewayContext uc1, uc2,s1,s2;
|
|
//get IOR string from fixed url
|
|
String ref = getIORFromURL(masterURL);
|
|
//convert IOR to corba object
|
|
org.omg.CORBA.Object obj = orb.string_to_object(ref);
|
|
//narrow corba Object to specific corba server type
|
|
GatewayContext master =
|
|
GatewayContextHelper.narrow(obj);
|
|
//get the proxy reference of slave server S1
|
|
s1_obj = master.getContext("M/S1");
|
|
s1 = GatewayContextHelper.narrow(s1_obj);
|
|
//add new user context with name "uc1"
|
|
uc1_obj = s1.addNewContext("uc1");
|
|
//narrow it to WebFowContext
|
|
uc1 = GatewayContextHelper.narrow(uc1_obj);
|
|
m1_obj = uc1.addNewModule("timerModule_1");
|
|
//get the proxy reference of slave server S2
|
|
s2_obj = master.getContext("M/S2");
|
|
s2 = GatewayContextHelper.narrow(s2_obj);
|
|
//add new user context with name "uc2"
|
|
uc2_obj = s2.addNewContext("uc2");
|
|
//narrow it to WebFowContext
|
|
uc2 = GatewayContextHelper.narrow(uc2_obj);
|
|
m2_obj = uc1.addNewModule("timerModule_2");
|
|
//Finally make "push" type of connection between
|
|
//modules M1and M2. Make sure you issue
|
|
//the "attachPushEvent" //command to the parent
|
|
//of event source where M1 is the source of event.
|
|
//uc1.attachPushEvent(m1_obj," timerEventData",
|
|
//m2_obj,"targetMethod");
|
|
Continued
|
|
The sequence of Gateway API calls
|
|
to create the above distributed environment which
|
|
includes master and two slaves and two modules
|
|
and their association
|
