Schaible, J�rg wrote:
Hello,
can anyhone give some more insight in the instrument package of Excalibur? Looking at the available docs for Fortress it only states, that it is some kind of graphical overview of my components. What can I do exaclty with it (and in a webapp)?
Is any example available (I did not found one)?
The given Translator example extends AbstractLogEnabledInstrumentable and calls some elements of that API. Before writing a whole bunch of components now, I would like to know first, what I should take into consideration ...
Instrument is broken up into three packages.
Instrument (AKA Instrument Client) is used for your components to define
the "instrument points", or the values you are exposing to the outside
world.
Instrument Manager is used internally with Fortress so that you can
expose those instrumenation points outside the JVM. To do that, just
adjust the "instrument" configuration file in the connectors like this:
<connectors>
<connector class="altrmi" port="15555"/>
</connectors>
If you don't want to expost that port, just comment out the connector.
Instrument Client is the GUI that connects to the running JVM. In this
case, it will connect to port 15555 (the default) to localhost, and
you will be able to see all your instrument points--plus the ones that
are automatically created for you.
In a running servlet, you can connect and disconnect the client at will,
which is a great debugging tool. I also understand you can invoke the
garbage collector in the remote JVM (tres cool).
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