One logical/conceptual error. I went too far with the JavaBean
approach,
and assumed that we had one listener per resource. One of the planned
uses
was to have one listener (i.e. a cache, a program generator, etc.) for
a larger number of resources. I have changed the name of the property
returned by the PropertyChangeEvent to be the value returned by the
getResourceKey() method.
Berin Loritsch wrote:
>
> The tests pass with flying colors. It turns out that the PropertyChangeListeners
> need to be given some time to operate--and they can run outside the current thread.
>
> We have two monitors:
>
> The ActiveMonitor and the PassiveMonitor.
>
> The ActiveMonitor polls the Resource every X milliseconds
> (specified by the "frequency" element). If the resource
> has changed then the "last-modified" time changes. This
> allows you to monitor resources that might be altered by
> third parties.
>
> The PassiveMonitor does nothing except manage the Resources
> in the same manner that all Monitors manage resources.
>
> All Resources have the responsibility to notify all listeners
> if it has been modified through the Resource class. As both
> an example and a practical example, the StreamResource is used
> by all classes that manage the contents by IO streams. When
> a writing IO stream (obtained from the StreamResource) closes,
> the StreamResource notifies all of its listeners.
>
> It works pretty well!
>
> The we can have an implementation of the Cache that is notified
> by the Monitor section.
>
> Also, you can test your own Monitors by adding a simple test
> script to get the Monitor in question.
>
> We might want to set up the ExcaliburTestCase so that the
> initialize() and dispose() methods are called only once during
> the life of the test. In order to do that, we have to use a
> TestDecorator that performs that action.
>
> JUnit calls setUp() and tearDown() around each testXXXX() method.
>
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