/**
* Returns the complete mapping database corresponds to a PortGroup
* Configuration. Its the PortGroupProvider Application's responsibility to
* manage the Switches & the Set of its Ports that correspond to each of the
* Configuration and return it to the Controller when requested.
/**
* Returns the complete mapping database corresponds to a PortGroup
* Configuration. Its the PortGroupProvider Application's responsibility to
* manage the Switches & the Set of its Ports that correspond to each of the
* Configuration and return it to the Controller when requested.