Allen Interval Rules

allen_interval_rules.py

class AllenIntervalRules(object):

    @staticmethod
    def ContainedBy(x, y):
        return (x.UtcStartTime > y.UtcStartTime) and (x.UtcEndTime < y.UtcEndTime)

    @staticmethod
    def Contains(x, y):
        return (y.UtcStartTime > x.UtcStartTime) and (y.UtcEndTime < x.UtcEndTime)

    @staticmethod
    def FinishedBy(x, y):
        return (y.UtcEndTime == x.UtcEndTime) and (y.UtcStartTime > x.UtcStartTime)

    @staticmethod
    def Finishes(x, y):
        return (x.UtcEndTime == y.UtcEndTime) and (x.UtcStartTime > y.UtcStartTime)

    @staticmethod
    def IsEqualTo(x, y):
        return (x.UtcStartTime == y.UtcStartTime) and (x.UtcEndTime == y.UtcEndTime)

    @staticmethod
    def Meets(x, y):
        return (x.UtcEndTime == y.UtcStartTime)

    @staticmethod
    def MetBy(x, y):
        return (y.UtcEndTime == x.UtcStartTime)

    @staticmethod
    def OverlapedBy(x, y):
        return (y.UtcStartTime < x.UtcStartTime) and ((y.UtcEndTime > x.UtcStartTime) and (y.UtcEndTime < x.UtcEndTime))

    @staticmethod
    def Overlaps(x, y):
        return (x.UtcStartTime < y.UtcStartTime) and ((x.UtcEndTime > y.UtcStartTime) and (x.UtcEndTime < y.UtcEndTime))

    @staticmethod
    def StartedBy(x, y):
        return (y.UtcStartTime == x.UtcStartTime) and (y.UtcEndTime < x.UtcEndTime)

    @staticmethod
    def Starts(x, y):
        return (x.UtcStartTime == y.UtcStartTime) and (x.UtcEndTime < y.UtcEndTime)

    @staticmethod
    def TakesPlaceAfter(x, y):
        return x.UtcStartTime > y.UtcEndTime

    @staticmethod
    def TakesPlaceBefore(x, y):
        return x.UtcEndTime < y.UtcStartTime