Defines common functions described in SimplePlugin.
The plugin is decorated with the proper BasicProcessor at run time
by the PluginDecorator.
See Also:PluginDecorator
Inner Class :static class OplanPredicate implements UnaryPredicate
Inner Class :static class OplanOrgActivitiesPredicate implements UnaryPredicate
Invokes all of the processors used to decorate this plugin.
The first time execute() is invoked, it configures the plugin by
setting the task processor, and unsubscribing to 'self'
(subscribed in setSubscriptions()).