abstractpublic class AbstractDataCollector implements Serializable(Code)
This defines the abstract hierachy to collect monitoring information. All
monitored information from the controller should extends this class.
collectValue can therefore NOT be called directly on the
client side. Instead, the client should be only given the returned result.
author: Nicolas Modrzyk
This is used on the controller side to collect information
the value collected by this collectorsardes@inrialpes.fr throws: DataCollectorException - if fails to collect the information