@Override
public int advance(int target) throws IOException {
if ((target - skipInterval) >= doc && docFreq >= skipMinimum) {
// There are enough docs in the posting to have
// skip data, and its not too close
if (skipper == null) {
// This DocsEnum has never done any skipping
skipper =
new SepSkipListReader(
skipIn.clone(), freqIn, docIn, posIn, maxSkipLevels, skipInterval);
}
if (!skipped) {
// We haven't yet skipped for this posting
skipper.init(skipFP, docIndex, freqIndex, posIndex, 0, docFreq, storePayloads);
skipper.setIndexOptions(indexOptions);
skipped = true;
}
final int newCount = skipper.skipTo(target);
if (newCount > count) {
// Skipper did move
if (!omitTF) {
skipper.getFreqIndex().seek(freqReader);
}
skipper.getDocIndex().seek(docReader);
count = newCount;
doc = accum = skipper.getDoc();
}
}
// Now, linear scan for the rest:
do {
if (nextDoc() == NO_MORE_DOCS) {
return NO_MORE_DOCS;
}
} while (target > doc);
return doc;
}
@Override
public int advance(int target) throws IOException {
// System.out.println("SepD&P advance target=" + target + " vs current=" + doc + " this=" +
// this);
if ((target - skipInterval) >= doc && docFreq >= skipMinimum) {
// There are enough docs in the posting to have
// skip data, and its not too close
if (skipper == null) {
// System.out.println(" create skipper");
// This DocsEnum has never done any skipping
skipper =
new SepSkipListReader(
skipIn.clone(), freqIn, docIn, posIn, maxSkipLevels, skipInterval);
}
if (!skipped) {
// System.out.println(" init skip data skipFP=" + skipFP);
// We haven't yet skipped for this posting
skipper.init(skipFP, docIndex, freqIndex, posIndex, payloadFP, docFreq, storePayloads);
skipper.setIndexOptions(IndexOptions.DOCS_AND_FREQS_AND_POSITIONS);
skipped = true;
}
final int newCount = skipper.skipTo(target);
// System.out.println(" skip newCount=" + newCount + " vs " + count);
if (newCount > count) {
// Skipper did move
skipper.getFreqIndex().seek(freqReader);
skipper.getDocIndex().seek(docReader);
// System.out.println(" doc seek'd to " + skipper.getDocIndex());
// NOTE: don't seek pos here; do it lazily
// instead. Eg a PhraseQuery may skip to many
// docs before finally asking for positions...
posIndex.copyFrom(skipper.getPosIndex());
posSeekPending = true;
count = newCount;
doc = accum = skipper.getDoc();
// System.out.println(" moved to doc=" + doc);
// payloadIn.seek(skipper.getPayloadPointer());
payloadFP = skipper.getPayloadPointer();
pendingPosCount = 0;
pendingPayloadBytes = 0;
payloadPending = false;
payloadLength = skipper.getPayloadLength();
// System.out.println(" move payloadLen=" + payloadLength);
}
}
// Now, linear scan for the rest:
do {
if (nextDoc() == NO_MORE_DOCS) {
// System.out.println(" advance nextDoc=END");
return NO_MORE_DOCS;
}
// System.out.println(" advance nextDoc=" + doc);
} while (target > doc);
// System.out.println(" return doc=" + doc);
return doc;
}
