From Scott F:
there is another type of measurement plugin called a collector.
An example of this is in the sybase plugin and here is a code example of the declaration in the plugin:
<plugin type="collector"
class="SybaseSysmonCollector"/>
instead of:
<plugin type="measurement"
class="org.hyperic.hq.product.MeasurementPlugin"/>
check the SybaseSysmonCollector class to see how it is used.
