Hi, I have a design issue related to the fact that the Logger needs
to be static. And suppose I have A and its subclass B.
I have a wrapper MyLog that wraps around Logger and a myId field of
each class, in which, the log message always print out myId of its
caller.
class A {
private static MyLog mLog;
protected myId;
A(){
myId = "A";
init myLog with myId...
}
public void doSth(String aMsg){
mLog.debug(aMsg);
}
}
class B extends A{
B(){
myId = "B";
super()
}
}
When I do this:
B b=new B();
b.doSth("blah");
The log will actually show the caller's myId is "A", instead of "B".
(you see I even make the myId field non-static because of the same
issue, but actually I would like it to be static conceptually)
I have tried different ways, it only works if mLog is not static, the
within doSth from class A, it will actually dynamically use object of
type B's mLog...But we want the Logger class (or its wrapper class)
to belong to class not to an object...how should we solve this? What
should be the right design of this? Please share your thoughts.
Thanks a lot.
-wleana
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