/**
* Advance all subscorers after the current document determined by the top of the <code>
* scorerCellQueue</code> if all the subscorers are not exhausted. <br>
* At least the top scorer with the minimum entity number will be advanced.
*
* @return true iff there is a match. <br>
* In case there is a match, </code>entity</code>, </code>currentScore</code>, and </code>
* nrMatchers</code> describe the match.
*/
protected int advanceAfterCurrent() throws IOException {
if (scorerCellQueue.size() > 0) {
if ((queueSize -= scorerCellQueue.nextAndAdjustElsePop()) == 0) {
return NO_MORE_DOCS;
}
entity = scorerCellQueue.topEntity();
this.nextPosition(); // advance to the first position [SRN-24]
return entity;
}
return NO_MORE_DOCS;
}
