/**
* Check whether two Spans in the same document are ordered with possible overlap.
*
* @return true iff spans1 starts before spans2 or the spans start at the same position, and
* spans1 ends before spans2.
*/
static boolean positionsOrdered(Spans spans1, Spans spans2) {
assert spans1.docID() == spans2.docID()
: "doc1 " + spans1.docID() + " != doc2 " + spans2.docID();
int start1 = spans1.startPosition();
int start2 = spans2.startPosition();
return (start1 == start2) ? (spans1.endPosition() < spans2.endPosition()) : (start1 < start2);
}
@Override
public int endPosition() {
return in.endPosition();
}
