/**
* 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);
}
private void adjustLength() {
if (spanLength != -1) {
totalSpanLength -= spanLength; // subtract old, possibly from a previous doc
}
assert in.startPosition() != NO_MORE_POSITIONS;
spanLength = endPosition() - startPosition();
assert spanLength >= 0;
totalSpanLength += spanLength; // add new
}
@Override
public int startPosition() {
return in.startPosition();
}
