/**
* By default, uses the {@link PayloadFunction} to score the payloads, but can be overridden to
* do other things.
*
* @param payLoads The payloads
* @param start The start position of the span being scored
* @param end The end position of the span being scored
* @see Spans
*/
protected void processPayloads(Collection<byte[]> payLoads, int start, int end) {
for (final byte[] thePayload : payLoads) {
payloadScore =
function.currentScore(
doc,
fieldName,
start,
end,
payloadsSeen,
payloadScore,
similarity.scorePayload(
doc, spans.start(), spans.end(), thePayload, 0, thePayload.length));
++payloadsSeen;
}
}
private void dumpSpans(SpanQuery query) throws IOException {
Spans spans = query.getSpans(reader);
System.out.println(query + ":");
int numSpans = 0;
TopDocs hits = searcher.search(query, 10);
float[] scores = new float[2];
for (ScoreDoc sd : hits.scoreDocs) {
scores[sd.doc] = sd.score;
}
while (spans.next()) { // A
numSpans++;
int id = spans.doc();
Document doc = reader.document(id); // B
TokenStream stream =
analyzer.tokenStream(
"contents", // C
new StringReader(doc.get("f"))); // C
TermAttribute term = stream.addAttribute(TermAttribute.class);
StringBuilder buffer = new StringBuilder();
buffer.append(" ");
int i = 0;
while (stream.incrementToken()) { // D
if (i == spans.start()) { // E
buffer.append("<"); // E
} // E
buffer.append(term.term()); // E
if (i + 1 == spans.end()) { // E
buffer.append(">"); // E
} // E
buffer.append(" ");
i++;
}
buffer.append("(").append(scores[id]).append(") ");
System.out.println(buffer);
}
if (numSpans == 0) {
System.out.println(" No spans");
}
System.out.println();
}
@Override
protected boolean setFreqCurrentDoc() throws IOException {
if (!more) {
return false;
}
doc = spans.doc();
freq = 0.0f;
payloadScore = 0;
payloadsSeen = 0;
do {
int matchLength = spans.end() - spans.start();
freq += similarity.sloppyFreq(matchLength);
Spans[] spansArr = new Spans[1];
spansArr[0] = spans;
getPayloads(spansArr);
more = spans.next();
} while (more && (doc == spans.doc()));
return true;
}