| 1 |
org.omg.CORBA.Object s1_obj, s2_obj,
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| 2 |
uc1_obj, uc2_obj,m1_obj,m2_obj;
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| 3 |
GatewayContext uc1, uc2,s1,s2;
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| 4 |
//get IOR string from fixed url
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| 5 |
String ref = getIORFromURL(masterURL);
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| 6 |
//convert IOR to corba object
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| 7 |
org.omg.CORBA.Object obj = orb.string_to_object(ref);
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| 8 |
//narrow corba Object to specific corba server type
|
| 9 |
GatewayContext master =
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| 10 |
GatewayContextHelper.narrow(obj);
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| 11 |
//get the proxy reference of slave server S1
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| 12 |
s1_obj = master.getContext("M/S1");
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| 13 |
s1 = GatewayContextHelper.narrow(s1_obj);
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| 14 |
//add new user context with name "uc1"
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| 15 |
uc1_obj = s1.addNewContext("uc1");
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| 16 |
//narrow it to WebFowContext
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| 17 |
uc1 = GatewayContextHelper.narrow(uc1_obj);
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| 18 |
m1_obj = uc1.addNewModule("timerModule_1");
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| 19 |
//get the proxy reference of slave server S2
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| 20 |
s2_obj = master.getContext("M/S2");
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| 21 |
s2 = GatewayContextHelper.narrow(s2_obj);
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| 22 |
//add new user context with name "uc2"
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| 23 |
uc2_obj = s2.addNewContext("uc2");
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| 24 |
//narrow it to WebFowContext
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| 25 |
uc2 = GatewayContextHelper.narrow(uc2_obj);
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| 26 |
m2_obj = uc1.addNewModule("timerModule_2");
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| 27 |
//Finally make "push" type of connection between
|
| 28 |
//modules M1and M2. Make sure you issue
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| 29 |
//the "attachPushEvent" //command to the parent
|
| 30 |
//of event source where M1 is the source of event.
|
| 31 |
//uc1.attachPushEvent(m1_obj," timerEventData",
|
| 32 |
//m2_obj,"targetMethod");
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| 33 |
Continued
|
| 34 |
The sequence of Gateway API calls
|
| 35 |
to create the above distributed environment which
|
| 36 |
includes master and two slaves and two modules
|
| 37 |
and their association
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