com.rolemodelsoft.drawlet.util
Interface Observer

All Known Implementing Classes:
ValueAdapter

public interface Observer

This interface defines a generic Observer interface This is desirable as the java.util.Observable is a class which could force unnatural hierarchies. This looks for the Observable interface instead of the class to allow more flexibility in implementing concrete classes.


Method Summary
 void update(Observable subject, java.lang.Object arg)
          The subject has notified the receiver of a change.
 

Method Detail

update

public void update(Observable subject,
                   java.lang.Object arg)
The subject has notified the receiver of a change.
Parameters:
subject - the observed subject.
arg - the argument being notified.