Function NewExecutionSegmentSequence

lib/execution_segment.go:305–319

NewExecutionSegmentSequence validates the that the supplied execution segments are non-overlapping and without gaps. It will return a new execution segment sequence if that is true, and an error if it's not.

(segments ...*ExecutionSegment)

// segments are non-overlapping and without gaps. It will return a new execution
// segment sequence if that is true, and an error if it's not.
func NewExecutionSegmentSequence(segments ...*ExecutionSegment) (ExecutionSegmentSequence, error) {
	if len(segments) > 1 {
		to := segments[0].to
		for i, segment := range segments[1:] {
			if segment.from.Cmp(to) != 0 {
				return nil, fmt.Errorf(
					"the start value %s of segment #%d must be equal to the end value of the previous one, but it is %s",
					segment.from, i+1, to,
				)
			}
			to = segment.to
		}
	}
	return ExecutionSegmentSequence(segments), nil
}

// NewExecutionSegmentSequenceFromString parses strings of the format
// "r1,r2,r3,...,rn", which represents the sequences like (r1, r2], (r2, r3],