Hi,
I am using JBoss portal 2.4,
I have defined a singleton class as follows and copied into the
"jboss/server/default/lib" to be used for all the other portlets,
package testcom;
public class Communication {
private static Communication instance = null;
private static String sName = "Krishan";
private Communication(String sName)
{
this.sName =sName;
}
public String getName()
{
return this.sName;
}
public void setName(String pName)
{
this.sName = pName;
}
public static Communication getInstance(String pCaller) {
if(instance == null) {
String sureName ="Fernando";
instance = new Communication(sureName);
System.out.println("********************************instance
is null");
}
System.out.println("~~~~~~~~~~~~~~~~~~~~~~~~~~~~~pCaller::sName:"+sName+"::"+pCaller);
return instance;
}
}
In my first senario:
When I access it for the very first time
as http://localhost:8080/portal, it created a new "Communication" instance.
Communication cm = Communication.getInstance("MyPortlet");
writer.write("cm.getName():"+cm.getName());
cm.setName("Pradeep");
writer.write("cm.getName():"+cm.getName());
I got the Name as I expected:
cm.getName():Fernando
cm.getName():Pradeep
and also when I open another browser instance, I got the following result as
expected.
cm.getName():Pradeep
cm.getName():Pradeep
But in my second scenario, When I click on the different portlet Url Tab in the
same browser instance which is also suppose to display the cm.getName(),
it created the new Communication instance and give me the following result,
cm.getName():Fernando
But I was expected following results with out getting creating a new
Communication instance ;
cm.getName():Pradeep
I noticed that the url I clicked is contain with the session id values as
follows,
http://localhost:8080/portal/portal/default/IPC;jsessionid=E5FE54B2057947FC8E77F0D57066F16F
So could you please tell me how can I get the expected data value without get
creating another instance of a Communication object.(I want it to behave as a
singleton object)
Thanks,
Krishan
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