public void testMultiValuedDocValuesField() throws Exception {
Directory d = newDirectory();
RandomIndexWriter w = new RandomIndexWriter(random(), d);
Document doc = new Document();
Field f = new NumericDocValuesField("field", 17);
// Index doc values are single-valued so we should not
// be able to add same field more than once:
doc.add(f);
doc.add(f);
try {
w.addDocument(doc);
fail("didn't hit expected exception");
} catch (IllegalArgumentException iae) {
// expected
}
doc = new Document();
doc.add(f);
w.addDocument(doc);
w.forceMerge(1);
DirectoryReader r = w.getReader();
w.close();
assertEquals(17, FieldCache.DEFAULT.getInts(getOnlySegmentReader(r), "field", false).get(0));
r.close();
d.close();
}
private void verify(AtomicReader r, int[][] idToOrds, BytesRef[] termsArray, BytesRef prefixRef)
throws Exception {
final DocTermOrds dto =
new DocTermOrds(
r,
r.getLiveDocs(),
"field",
prefixRef,
Integer.MAX_VALUE,
_TestUtil.nextInt(random(), 2, 10));
final FieldCache.Ints docIDToID = FieldCache.DEFAULT.getInts(r, "id", false);
/*
for(int docID=0;docID<subR.maxDoc();docID++) {
System.out.println(" docID=" + docID + " id=" + docIDToID[docID]);
}
*/
if (VERBOSE) {
System.out.println(
"TEST: verify prefix=" + (prefixRef == null ? "null" : prefixRef.utf8ToString()));
System.out.println("TEST: all TERMS:");
TermsEnum allTE = MultiFields.getTerms(r, "field").iterator(null);
int ord = 0;
while (allTE.next() != null) {
System.out.println(" ord=" + (ord++) + " term=" + allTE.term().utf8ToString());
}
}
// final TermsEnum te = subR.fields().terms("field").iterator();
final TermsEnum te = dto.getOrdTermsEnum(r);
if (dto.numTerms() == 0) {
if (prefixRef == null) {
assertNull(MultiFields.getTerms(r, "field"));
} else {
Terms terms = MultiFields.getTerms(r, "field");
if (terms != null) {
TermsEnum termsEnum = terms.iterator(null);
TermsEnum.SeekStatus result = termsEnum.seekCeil(prefixRef, false);
if (result != TermsEnum.SeekStatus.END) {
assertFalse(
"term="
+ termsEnum.term().utf8ToString()
+ " matches prefix="
+ prefixRef.utf8ToString(),
StringHelper.startsWith(termsEnum.term(), prefixRef));
} else {
// ok
}
} else {
// ok
}
}
return;
}
if (VERBOSE) {
System.out.println("TEST: TERMS:");
te.seekExact(0);
while (true) {
System.out.println(" ord=" + te.ord() + " term=" + te.term().utf8ToString());
if (te.next() == null) {
break;
}
}
}
SortedSetDocValues iter = dto.iterator(r);
for (int docID = 0; docID < r.maxDoc(); docID++) {
if (VERBOSE) {
System.out.println(
"TEST: docID=" + docID + " of " + r.maxDoc() + " (id=" + docIDToID.get(docID) + ")");
}
iter.setDocument(docID);
final int[] answers = idToOrds[docIDToID.get(docID)];
int upto = 0;
long ord;
while ((ord = iter.nextOrd()) != SortedSetDocValues.NO_MORE_ORDS) {
te.seekExact(ord);
final BytesRef expected = termsArray[answers[upto++]];
if (VERBOSE) {
System.out.println(
" exp=" + expected.utf8ToString() + " actual=" + te.term().utf8ToString());
}
assertEquals(
"expected="
+ expected.utf8ToString()
+ " actual="
+ te.term().utf8ToString()
+ " ord="
+ ord,
expected,
te.term());
}
assertEquals(answers.length, upto);
}
}
public void testNumericField() throws Exception {
Directory dir = newDirectory();
RandomIndexWriter w = new RandomIndexWriter(random(), dir);
final int numDocs = atLeast(500);
final Number[] answers = new Number[numDocs];
final NumericType[] typeAnswers = new NumericType[numDocs];
for (int id = 0; id < numDocs; id++) {
Document doc = new Document();
final Field nf;
final Field sf;
final Number answer;
final NumericType typeAnswer;
if (random().nextBoolean()) {
// float/double
if (random().nextBoolean()) {
final float f = random().nextFloat();
answer = Float.valueOf(f);
nf = new FloatField("nf", f, Field.Store.NO);
sf = new StoredField("nf", f);
typeAnswer = NumericType.FLOAT;
} else {
final double d = random().nextDouble();
answer = Double.valueOf(d);
nf = new DoubleField("nf", d, Field.Store.NO);
sf = new StoredField("nf", d);
typeAnswer = NumericType.DOUBLE;
}
} else {
// int/long
if (random().nextBoolean()) {
final int i = random().nextInt();
answer = Integer.valueOf(i);
nf = new IntField("nf", i, Field.Store.NO);
sf = new StoredField("nf", i);
typeAnswer = NumericType.INT;
} else {
final long l = random().nextLong();
answer = Long.valueOf(l);
nf = new LongField("nf", l, Field.Store.NO);
sf = new StoredField("nf", l);
typeAnswer = NumericType.LONG;
}
}
doc.add(nf);
doc.add(sf);
answers[id] = answer;
typeAnswers[id] = typeAnswer;
FieldType ft = new FieldType(IntField.TYPE_STORED);
ft.setNumericPrecisionStep(Integer.MAX_VALUE);
doc.add(new IntField("id", id, ft));
w.addDocument(doc);
}
final DirectoryReader r = w.getReader();
w.close();
assertEquals(numDocs, r.numDocs());
for (AtomicReaderContext ctx : r.leaves()) {
final AtomicReader sub = ctx.reader();
final FieldCache.Ints ids = FieldCache.DEFAULT.getInts(sub, "id", false);
for (int docID = 0; docID < sub.numDocs(); docID++) {
final Document doc = sub.document(docID);
final Field f = (Field) doc.getField("nf");
assertTrue("got f=" + f, f instanceof StoredField);
assertEquals(answers[ids.get(docID)], f.numericValue());
}
}
r.close();
dir.close();
}
/** 每当搜索一个新的segment时，会通过这个方法通知comparator */
@Override
public void setNextReader(IndexReader indexReader, int docBase) throws IOException {
// 可以读所有field的域缓存
xDoc = FieldCache.DEFAULT.getInts(indexReader, "x");
yDoc = FieldCache.DEFAULT.getInts(indexReader, "y");
}