''' from sgpem import SchedulableQueue, PolicyParameters '''
from Abstract import *

class Policy:
    '''
    Avoid instantiation of an abstract class.
    '''
    __metaclass__ = Metaclass
    
    configure = AbstractMethod('configure')
    sort_queue = AbstractMethod('sort_queue')
    is_preemptive = AbstractMethod('is_preemptive')
    is_time_sliced = AbstractMethod('is_time_sliced')
    get_parameters = AbstractMethod('get_parameters')