class LT(object): """ X < Y x before y """ def __init__(self, src, target, delta): self.delta = delta self.src = src self.target = target def __call__(self, x): return x.etime, x.etime + self.delta class GT(object): """ X > Y x after y """ def __init__(self, src, target, delta): self.delta = delta self.src = src self.target = target def __call__(self, x): return x.stime - self.delta, x.stime class m(object): """ X m Y x meets y (x starts before y) y should occur at end of x """ def __init__(self, src, target, delta=1): self.delta = delta self.src = src self.target = target def __call__(self, x): return x.etime, x.etime + self.delta class mi(object): """ X mi Y inverse x meets y (x starts after y) y should occur at the beginning of x """ def __init__(self, src, target, delta=1): self.delta = delta self.src = src self.target = target def __call__(self, x): return x.stime - self.delta, x.stime class o(object): """ X o Y x overlaps y (x starts before y) y should occur at the end of x """ def __init__(self, src, target, delta=0): self.delta = delta self.src = src self.target = target def __call__(self, x): return x.etime-self.delta, x.etime+self.delta class oi(object): """ X oi Y inverse x overlaps y (x starts after y) """ def __init__(self, src, target, delta=0): self.delta = delta self.src = src self.target = target def __call__(self, x): return x.stime, x.stime class d(object): """ X d Y x during y """ def __init__(self, src, target, delta=0): self.delta = delta self.src = src self.target = target def __call__(self, x): return x.stime, x.stime class di(object): """ X di Y inverse x during y (y during x) """ def __init__(self, src, target, delta=0): self.delta = delta self.src = src self.target = target def __call__(self, x): return x.stime, x.etime class f(object): """ X f Y x finishes y (x starts after y, x and y end together) """ def __init__(self, src, target, delta=1): self.delta = delta self.src = src self.target = target def __call__(self, x): return x.etime - self.delta, x.etime + self.delta class fi(object): """ X fi Y inverse x finishes y (x is finished by y) """ def __init__(self, src, target, delta=1): self.delta = delta self.src = src self.target = target def __call__(self, x): return x.etime - self.delta, x.etime + self.delta class s(object): """ X s Y x starts y (x ends before y, x and y starts together) """ def __init__(self, src, target, delta=0): self.delta = delta self.src = src self.target = target def __call__(self, x): return x.stime - self.delta, x.stime + self.delta class si(object): """ X si Y inverse x starts y (x is started by y) """ def __init__(self, src, target, delta=1): self.delta = delta self.src = src self.target = target def __call__(self, x): return x.stime - self.delta, x.stime + self.delta class EQ(object): """ X = Y X lasts the same time as Y and both start together. """ def __init__(self, src, target, delta=1): self.delta = delta self.src = src self.target = target def __call__(self, x): return x.stime - self.delta, x.stime + self.delta