public GeoDistanceRangeFilter(
double lat,
double lon,
Double lowerVal,
Double upperVal,
boolean includeLower,
boolean includeUpper,
GeoDistance geoDistance,
String fieldName,
GeoPointFieldMapper mapper,
FieldDataCache fieldDataCache,
String optimizeBbox) {
this.lat = lat;
this.lon = lon;
this.geoDistance = geoDistance;
this.fieldName = fieldName;
this.fieldDataCache = fieldDataCache;
this.fixedSourceDistance = geoDistance.fixedSourceDistance(lat, lon, DistanceUnit.MILES);
if (lowerVal != null) {
double f = lowerVal.doubleValue();
long i = NumericUtils.doubleToSortableLong(f);
inclusiveLowerPoint = NumericUtils.sortableLongToDouble(includeLower ? i : (i + 1L));
} else {
inclusiveLowerPoint = Double.NEGATIVE_INFINITY;
}
if (upperVal != null) {
double f = upperVal.doubleValue();
long i = NumericUtils.doubleToSortableLong(f);
inclusiveUpperPoint = NumericUtils.sortableLongToDouble(includeUpper ? i : (i - 1L));
} else {
inclusiveUpperPoint = Double.POSITIVE_INFINITY;
// we disable bounding box in this case, since the upper point is all and we create bounding
// box up to the
// upper point it will effectively include all
// TODO we can create a bounding box up to from and "not" it
optimizeBbox = null;
}
if (optimizeBbox != null && !"none".equals(optimizeBbox)) {
distanceBoundingCheck =
GeoDistance.distanceBoundingCheck(lat, lon, inclusiveUpperPoint, DistanceUnit.MILES);
if ("memory".equals(optimizeBbox)) {
boundingBoxFilter = null;
} else if ("indexed".equals(optimizeBbox)) {
boundingBoxFilter =
IndexedGeoBoundingBoxFilter.create(
distanceBoundingCheck.topLeft(), distanceBoundingCheck.bottomRight(), mapper);
distanceBoundingCheck =
GeoDistance.ALWAYS_INSTANCE; // fine, we do the bounding box check using the filter
} else {
throw new ElasticSearchIllegalArgumentException(
"type [" + optimizeBbox + "] for bounding box optimization not supported");
}
} else {
distanceBoundingCheck = GeoDistance.ALWAYS_INSTANCE;
boundingBoxFilter = null;
}
}
/** we fake a double test using long2double conversion of NumericUtils */
private void testDoubleRange(int precisionStep) throws Exception {
final String field = "ascfield" + precisionStep;
final long lower = -1000L, upper = +2000L;
Query tq =
NumericRangeQuery.newDoubleRange(
field,
precisionStep,
NumericUtils.sortableLongToDouble(lower),
NumericUtils.sortableLongToDouble(upper),
true,
true);
TopDocs tTopDocs = searcher.search(tq, 1);
assertEquals(
"Returned count of range query must be equal to inclusive range length",
upper - lower + 1,
tTopDocs.totalHits);
Filter tf =
NumericRangeFilter.newDoubleRange(
field,
precisionStep,
NumericUtils.sortableLongToDouble(lower),
NumericUtils.sortableLongToDouble(upper),
true,
true);
tTopDocs = searcher.search(new MatchAllDocsQuery(), tf, 1);
assertEquals(
"Returned count of range filter must be equal to inclusive range length",
upper - lower + 1,
tTopDocs.totalHits);
}
public void testDoubleFieldMinMax() throws Exception {
Directory dir = newDirectory();
RandomIndexWriter w = new RandomIndexWriter(random(), dir);
int numDocs = atLeast(100);
double minValue = Double.POSITIVE_INFINITY;
double maxValue = Double.NEGATIVE_INFINITY;
for (int i = 0; i < numDocs; i++) {
Document doc = new Document();
double num = random().nextDouble();
minValue = Math.min(num, minValue);
maxValue = Math.max(num, maxValue);
doc.add(new LegacyDoubleField("field", num, Field.Store.NO));
w.addDocument(doc);
}
IndexReader r = w.getReader();
Terms terms = MultiFields.getTerms(r, "field");
assertEquals(
minValue, NumericUtils.sortableLongToDouble(LegacyNumericUtils.getMinLong(terms)), 0.0);
assertEquals(
maxValue, NumericUtils.sortableLongToDouble(LegacyNumericUtils.getMaxLong(terms)), 0.0);
r.close();
w.close();
dir.close();
}
private void addPoint(IndexWriter writer, String name, double lat, double lng)
throws IOException {
Document doc = new Document();
doc.add(new Field("name", name, Field.Store.YES, Field.Index.TOKENIZED));
// convert the lat / long to lucene fields
doc.add(
new Field(
latField,
NumericUtils.doubleToPrefixCoded(lat),
Field.Store.YES,
Field.Index.UN_TOKENIZED));
doc.add(
new Field(
lngField,
NumericUtils.doubleToPrefixCoded(lng),
Field.Store.YES,
Field.Index.UN_TOKENIZED));
// add a default meta field to make searching all documents easy
doc.add(new Field("metafile", "doc", Field.Store.YES, Field.Index.TOKENIZED));
writer.addDocument(doc);
}
@Override
public BytesRef indexedValueForSearch(Object value) {
long longValue = NumericUtils.doubleToSortableLong(parseDoubleValue(value));
BytesRefBuilder bytesRef = new BytesRefBuilder();
NumericUtils.longToPrefixCoded(longValue, 0, bytesRef); // 0 because of exact match
return bytesRef.get();
}
@Override
public BytesRef indexedValueForSearch(Object value) {
int intValue = NumericUtils.floatToSortableInt(parseValue(value));
BytesRefBuilder bytesRef = new BytesRefBuilder();
NumericUtils.intToPrefixCoded(intValue, 0, bytesRef); // 0 because of exact match
return bytesRef.get();
}
@Override
public void fillBytesRef() {
assert valueSize == 64 || valueSize == 32;
if (valueSize == 64) {
NumericUtils.longToPrefixCoded(value, shift, bytes);
} else {
NumericUtils.intToPrefixCoded((int) value, shift, bytes);
}
}
private static byte[][] pack(Double value) {
if (value == null) {
// OK: open ended range
return new byte[1][];
}
byte[][] result = new byte[][] {new byte[RamUsageEstimator.NUM_BYTES_LONG]};
NumericUtils.longToBytesDirect(NumericUtils.doubleToSortableLong(value), result[0], 0);
return result;
}
private static byte[][] pack(Float value) {
if (value == null) {
// OK: open ended range
return new byte[1][];
}
byte[][] result = new byte[][] {new byte[RamUsageEstimator.NUM_BYTES_INT]};
NumericUtils.intToBytesDirect(NumericUtils.floatToSortableInt(value), result[0], 0);
return result;
}
@Override
public BytesRef getBytesRef() {
assert valueSize == 64 || valueSize == 32;
if (valueSize == 64) {
NumericUtils.longToPrefixCoded(value, shift, bytes);
} else {
NumericUtils.intToPrefixCoded((int) value, shift, bytes);
}
return bytes.get();
}
@Override
public FieldStats stats(Terms terms, int maxDoc) throws IOException {
float minValue = NumericUtils.sortableIntToFloat(NumericUtils.getMinInt(terms));
float maxValue = NumericUtils.sortableIntToFloat(NumericUtils.getMaxInt(terms));
return new FieldStats.Float(
maxDoc,
terms.getDocCount(),
terms.getSumDocFreq(),
terms.getSumTotalTermFreq(),
minValue,
maxValue);
}
@Override
public FieldStats stats(Terms terms, int maxDoc) throws IOException {
long minValue = NumericUtils.getMinInt(terms);
long maxValue = NumericUtils.getMaxInt(terms);
return new FieldStats.Long(
maxDoc,
terms.getDocCount(),
terms.getSumDocFreq(),
terms.getSumTotalTermFreq(),
minValue,
maxValue);
}
private void assertLegacyQuery(GeoDistanceRangeQueryBuilder queryBuilder, Query query)
throws IOException {
assertThat(query, instanceOf(GeoDistanceRangeQuery.class));
GeoDistanceRangeQuery geoQuery = (GeoDistanceRangeQuery) query;
assertThat(geoQuery.fieldName(), equalTo(queryBuilder.fieldName()));
if (queryBuilder.point() != null) {
GeoPoint expectedPoint = new GeoPoint(queryBuilder.point());
if (GeoValidationMethod.isCoerce(queryBuilder.getValidationMethod())) {
GeoUtils.normalizePoint(expectedPoint, true, true);
}
assertThat(geoQuery.lat(), equalTo(expectedPoint.lat()));
assertThat(geoQuery.lon(), equalTo(expectedPoint.lon()));
}
assertThat(geoQuery.geoDistance(), equalTo(queryBuilder.geoDistance()));
if (queryBuilder.from() != null && queryBuilder.from() instanceof Number) {
double fromValue = ((Number) queryBuilder.from()).doubleValue();
if (queryBuilder.unit() != null) {
fromValue = queryBuilder.unit().toMeters(fromValue);
}
if (queryBuilder.geoDistance() != null) {
fromValue = queryBuilder.geoDistance().normalize(fromValue, DistanceUnit.DEFAULT);
}
double fromSlop = Math.abs(fromValue) / 1000;
if (queryBuilder.includeLower() == false) {
fromSlop =
NumericUtils.sortableLongToDouble(
(NumericUtils.doubleToSortableLong(Math.abs(fromValue)) + 1L))
/ 1000.0;
}
assertThat(geoQuery.minInclusiveDistance(), closeTo(fromValue, fromSlop));
}
if (queryBuilder.to() != null && queryBuilder.to() instanceof Number) {
double toValue = ((Number) queryBuilder.to()).doubleValue();
if (queryBuilder.unit() != null) {
toValue = queryBuilder.unit().toMeters(toValue);
}
if (queryBuilder.geoDistance() != null) {
toValue = queryBuilder.geoDistance().normalize(toValue, DistanceUnit.DEFAULT);
}
double toSlop = Math.abs(toValue) / 1000;
if (queryBuilder.includeUpper() == false) {
toSlop =
NumericUtils.sortableLongToDouble(
(NumericUtils.doubleToSortableLong(Math.abs(toValue)) - 1L))
/ 1000.0;
}
assertThat(geoQuery.maxInclusiveDistance(), closeTo(toValue, toSlop));
}
}
public void testIntStream() throws Exception {
final NumericTokenStream stream = new NumericTokenStream().setIntValue(ivalue);
// use getAttribute to test if attributes really exist, if not an IAE will be throwed
final TermToBytesRefAttribute bytesAtt = stream.getAttribute(TermToBytesRefAttribute.class);
final TypeAttribute typeAtt = stream.getAttribute(TypeAttribute.class);
final NumericTokenStream.NumericTermAttribute numericAtt =
stream.getAttribute(NumericTokenStream.NumericTermAttribute.class);
final BytesRef bytes = bytesAtt.getBytesRef();
stream.reset();
assertEquals(32, numericAtt.getValueSize());
for (int shift = 0; shift < 32; shift += NumericUtils.PRECISION_STEP_DEFAULT) {
assertTrue("New token is available", stream.incrementToken());
assertEquals("Shift value wrong", shift, numericAtt.getShift());
final int hash = bytesAtt.fillBytesRef();
assertEquals("Hash incorrect", bytes.hashCode(), hash);
assertEquals(
"Term is incorrectly encoded",
ivalue & ~((1 << shift) - 1),
NumericUtils.prefixCodedToInt(bytes));
assertEquals(
"Term raw value is incorrectly encoded",
((long) ivalue) & ~((1L << shift) - 1L),
numericAtt.getRawValue());
assertEquals(
"Type incorrect",
(shift == 0)
? NumericTokenStream.TOKEN_TYPE_FULL_PREC
: NumericTokenStream.TOKEN_TYPE_LOWER_PREC,
typeAtt.type());
}
assertFalse("More tokens available", stream.incrementToken());
stream.end();
stream.close();
}
private static byte[][] pack(Integer value) {
if (value == null) {
// OK: open ended range
return new byte[1][];
}
byte[][] result = new byte[][] {new byte[RamUsageEstimator.NUM_BYTES_INT]};
NumericUtils.intToBytes(value, result[0], 0);
return result;
}
/**
* Converts a list of long value to their bytes ref representation as performed by {@link
* org.apache.lucene.analysis.NumericTokenStream}
*/
private BytesRef[] toBytesRefs(long[] values) {
BytesRef[] bytesRefs = new BytesRef[values.length];
for (int i = 0; i < values.length; i++) {
BytesRefBuilder b = new BytesRefBuilder();
NumericUtils.longToPrefixCoded(values[i], 0, b);
bytesRefs[i] = b.toBytesRef();
}
return bytesRefs;
}
/**
* Test that the we are able to index a 100 documents, that the job management works during that
* time and at least one of the submissions exists in the index afterwards.
*/
@Test
public void testCommit() throws CorruptIndexException, IOException, InterruptedException {
// Send the first 100 subissions to the current transaction.
Iterator<Submission> itr = subRepo.findAllSubmissions();
long lastSubId = 0;
for (int i = 0; i < 100; i++) {
Submission sub = itr.next();
assertNotNull(sub);
indexer.updated(sub);
lastSubId = sub.getId();
}
// Assert no job is running.
assertTrue(lastSubId > 0);
assertFalse(indexer.isJobRunning());
assertEquals("None", indexer.getCurrentJobLabel());
assertEquals(-1L, indexer.getCurrentJobProgress());
assertEquals(-1L, indexer.getCurrentJobTotal());
assertTrue(indexer.isUpdated(lastSubId));
// Commit the 100 jobs.
indexer.commit(false);
// Check that a job is running
assertTrue(indexer.isJobRunning());
assertEquals("Update Index", indexer.getCurrentJobLabel());
assertTrue(indexer.getCurrentJobProgress() >= 0 && indexer.getCurrentJobProgress() <= 100);
assertEquals(100L, indexer.getCurrentJobTotal());
// Wait for the current job to complete
for (int i = 0; i < 1000; i++) {
Thread.sleep(10);
if (!indexer.isJobRunning()) break;
}
assertFalse(indexer.isJobRunning());
// Check that we can find the documents we indexed.
IndexReader reader = IndexReader.open(indexer.index);
IndexSearcher searcher = new IndexSearcher(reader);
Query query = new TermQuery(new Term("subId", NumericUtils.longToPrefixCoded(lastSubId)));
TopDocs topDocs = searcher.search(query, 1);
assertNotNull(topDocs);
assertNotNull(topDocs.scoreDocs);
assertTrue(topDocs.scoreDocs.length > 0);
Document doc = searcher.doc(topDocs.scoreDocs[0].doc);
assertNotNull(doc);
assertEquals(String.valueOf(lastSubId), doc.get("subId"));
searcher.close();
}
public static void displayPointRanges(Scanner in) {
double[][] point = getPoints(in, 1);
long hash, hashUpper;
double lon, lat, lonUpper, latUpper;
for (int i = 63; i >= 45; i -= GeoPointField.PRECISION_STEP) {
BytesRefBuilder brb = new BytesRefBuilder();
NumericUtils.longToPrefixCoded(
GeoUtils.mortonHash(point[0][LON_INDEX], point[0][LAT_INDEX]), i, brb);
BytesRef br = brb.get();
hash = NumericUtils.prefixCodedToLong(br);
hashUpper = hash | ((1L << i) - 1);
lon = GeoUtils.mortonUnhashLon(hash);
lat = GeoUtils.mortonUnhashLat(hash);
lonUpper = GeoUtils.mortonUnhashLon(hashUpper);
latUpper = GeoUtils.mortonUnhashLat(hashUpper);
System.out.println(
i + ": " + br + " " + hash + " (" + lon + "," + lat + ")" + " : " + "(" + lonUpper + ","
+ latUpper + ")");
}
}
public LongFilter convertToDoubleFilter() {
if (isPartitionBased()) {
return new PartitionedLongFilter();
}
int numValids = includeValues == null ? 0 : includeValues.size();
int numInvalids = excludeValues == null ? 0 : excludeValues.size();
SetBackedLongFilter result = new SetBackedLongFilter(numValids, numInvalids);
if (includeValues != null) {
for (BytesRef val : includeValues) {
double dval = Double.parseDouble(val.utf8ToString());
result.addAccept(NumericUtils.doubleToSortableLong(dval));
}
}
if (excludeValues != null) {
for (BytesRef val : excludeValues) {
double dval = Double.parseDouble(val.utf8ToString());
result.addReject(NumericUtils.doubleToSortableLong(dval));
}
}
return result;
}
// test using a sparse index (with deleted docs).
@Test
public void testSparseIndex() throws IOException {
Directory dir = newDirectory();
IndexWriter writer =
new IndexWriter(
dir, newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random())));
for (int d = -20; d <= 20; d++) {
Document doc = new Document();
doc.add(new IntField("id_int", d, Field.Store.NO));
doc.add(newStringField("body", "body", Field.Store.NO));
writer.addDocument(doc);
}
writer.forceMerge(1);
BytesRef term0 = new BytesRef();
NumericUtils.intToPrefixCoded(0, 0, term0);
writer.deleteDocuments(new Term("id_int", term0));
writer.close();
IndexReader reader = DirectoryReader.open(dir);
IndexSearcher search = newSearcher(reader);
assertTrue(reader.hasDeletions());
ScoreDoc[] result;
Query q = new TermQuery(new Term("body", "body"));
result =
search.search(q, FieldCacheRangeFilter.newIntRange("id_int", -20, 20, T, T), 100).scoreDocs;
assertEquals("find all", 40, result.length);
result =
search.search(q, FieldCacheRangeFilter.newIntRange("id_int", 0, 20, T, T), 100).scoreDocs;
assertEquals("find all", 20, result.length);
result =
search.search(q, FieldCacheRangeFilter.newIntRange("id_int", -20, 0, T, T), 100).scoreDocs;
assertEquals("find all", 20, result.length);
result =
search.search(q, FieldCacheRangeFilter.newIntRange("id_int", 10, 20, T, T), 100).scoreDocs;
assertEquals("find all", 11, result.length);
result =
search.search(q, FieldCacheRangeFilter.newIntRange("id_int", -20, -10, T, T), 100)
.scoreDocs;
assertEquals("find all", 11, result.length);
reader.close();
dir.close();
}
private String convertNumber(Number number) {
if (Integer.class.isInstance(number)) {
return NumericUtils.intToPrefixCoded(number.intValue());
} else if (Double.class.isInstance(number)) {
return NumericUtils.doubleToPrefixCoded(number.doubleValue());
} else if (Long.class.isInstance(number)) {
return NumericUtils.longToPrefixCoded(number.longValue());
} else if (Float.class.isInstance(number)) {
return NumericUtils.floatToPrefixCoded(number.floatValue());
} else if (Byte.class.isInstance(number)) {
return NumericUtils.intToPrefixCoded(number.intValue());
} else if (Short.class.isInstance(number)) {
return NumericUtils.intToPrefixCoded(number.intValue());
} else if (BigDecimal.class.isInstance(number)) {
return NumericUtils.doubleToPrefixCoded(number.doubleValue());
} else if (BigInteger.class.isInstance(number)) {
return NumericUtils.longToPrefixCoded(number.longValue());
} else {
throw new IllegalArgumentException("Unsupported numeric type " + number.getClass().getName());
}
}
/** Test that the index can be rebuilt. */
@Test
public void testRebuild() throws CorruptIndexException, IOException, InterruptedException {
// Assert no job is running
assertFalse(indexer.isJobRunning());
assertEquals("None", indexer.getCurrentJobLabel());
assertEquals(-1L, indexer.getCurrentJobProgress());
assertEquals(-1L, indexer.getCurrentJobTotal());
// Kickoff rebuilding the index
indexer.rebuild(false);
// Check that a job is running
assertTrue(indexer.isJobRunning());
assertEquals("Rebuild Index", indexer.getCurrentJobLabel());
assertTrue(indexer.getCurrentJobProgress() >= 0);
assertTrue(indexer.getCurrentJobTotal() >= 100);
// Wait for the current job to complete
for (int i = 0; i < 1000; i++) {
Thread.sleep(10);
if (!indexer.isJobRunning()) break;
}
assertFalse(indexer.isJobRunning());
// Check that the first submission is present in the index.
Submission sub = subRepo.findAllSubmissions().next();
IndexReader reader = IndexReader.open(indexer.index);
IndexSearcher searcher = new IndexSearcher(reader);
Query query = new TermQuery(new Term("subId", NumericUtils.longToPrefixCoded(sub.getId())));
TopDocs topDocs = searcher.search(query, 1);
assertNotNull(topDocs);
assertNotNull(topDocs.scoreDocs);
assertTrue(topDocs.scoreDocs.length > 0);
Document doc = searcher.doc(topDocs.scoreDocs[0].doc);
assertNotNull(doc);
assertEquals(String.valueOf(sub.getId()), doc.get("subId"));
searcher.close();
}
@Override
public String indexedToReadable(String indexedForm) {
switch (type) {
case INTEGER:
return Integer.toString(NumericUtils.prefixCodedToInt(indexedForm));
case FLOAT:
return Float.toString(
NumericUtils.sortableIntToFloat(NumericUtils.prefixCodedToInt(indexedForm)));
case LONG:
return Long.toString(NumericUtils.prefixCodedToLong(indexedForm));
case DOUBLE:
return Double.toString(
NumericUtils.sortableLongToDouble(NumericUtils.prefixCodedToLong(indexedForm)));
case DATE:
return dateField.toExternal(new Date(NumericUtils.prefixCodedToLong(indexedForm)));
default:
throw new SolrException(
SolrException.ErrorCode.SERVER_ERROR, "Unknown type for trie field: " + type);
}
}
@Override
public String readableToIndexed(String val) {
switch (type) {
case INTEGER:
return NumericUtils.intToPrefixCoded(Integer.parseInt(val));
case FLOAT:
return NumericUtils.intToPrefixCoded(
NumericUtils.floatToSortableInt(Float.parseFloat(val)));
case LONG:
return NumericUtils.longToPrefixCoded(Long.parseLong(val));
case DOUBLE:
return NumericUtils.longToPrefixCoded(
NumericUtils.doubleToSortableLong(Double.parseDouble(val)));
case DATE:
return NumericUtils.longToPrefixCoded(dateField.parseMath(null, val).getTime());
default:
throw new SolrException(
SolrException.ErrorCode.SERVER_ERROR, "Unknown type for trie field: " + type);
}
}
/**
* Returns a number of random albums, using ID3 tag.
*
* @param count Number of albums to return.
* @param musicFolders Only return albums from these folders.
* @return List of random albums.
*/
public List<Album> getRandomAlbumsId3(int count, List<MusicFolder> musicFolders) {
List<Album> result = new ArrayList<Album>();
IndexReader reader = null;
try {
reader = createIndexReader(ALBUM_ID3);
Searcher searcher = new IndexSearcher(reader);
List<SpanTermQuery> musicFolderQueries = new ArrayList<SpanTermQuery>();
for (MusicFolder musicFolder : musicFolders) {
musicFolderQueries.add(
new SpanTermQuery(
new Term(FIELD_FOLDER_ID, NumericUtils.intToPrefixCoded(musicFolder.getId()))));
}
Query query =
new SpanOrQuery(musicFolderQueries.toArray(new SpanQuery[musicFolderQueries.size()]));
TopDocs topDocs = searcher.search(query, null, Integer.MAX_VALUE);
List<ScoreDoc> scoreDocs = Lists.newArrayList(topDocs.scoreDocs);
Random random = new Random(System.currentTimeMillis());
while (!scoreDocs.isEmpty() && result.size() < count) {
int index = random.nextInt(scoreDocs.size());
Document doc = searcher.doc(scoreDocs.remove(index).doc);
int id = Integer.valueOf(doc.get(FIELD_ID));
try {
addIfNotNull(albumDao.getAlbum(id), result);
} catch (Exception x) {
LOG.warn("Failed to get album file " + id, x);
}
}
} catch (Throwable x) {
LOG.error("Failed to search for random albums.", x);
} finally {
FileUtil.closeQuietly(reader);
}
return result;
}
@Override
public BytesRef indexedValueForSearch(Object value) {
BytesRefBuilder bytesRef = new BytesRefBuilder();
NumericUtils.longToPrefixCoded(parseValue(value), 0, bytesRef); // 0 because of exact match
return bytesRef.get();
}
/**
* Initializes the token stream with the supplied <code>float</code> value.
*
* @param value the value, for which this TokenStream should enumerate tokens.
* @return this instance, because of this you can use it the following way: <code>
* new Field(name, new NumericTokenStream(precisionStep).setFloatValue(value))</code>
*/
public NumericTokenStream setFloatValue(final float value) {
numericAtt.init(
NumericUtils.floatToSortableInt(value), valSize = 32, precisionStep, -precisionStep);
return this;
}
/**
* Initializes the token stream with the supplied <code>double</code> value.
*
* @param value the value, for which this TokenStream should enumerate tokens.
* @return this instance, because of this you can use it the following way: <code>
* new Field(name, new NumericTokenStream(precisionStep).setDoubleValue(value))</code>
*/
public NumericTokenStream setDoubleValue(final double value) {
numericAtt.init(
NumericUtils.doubleToSortableLong(value), valSize = 64, precisionStep, -precisionStep);
return this;
}
/** {@inheritDoc} */
@Override
public Field sortedField(String name, Float value) {
int sortable = NumericUtils.floatToSortableInt(value);
return new NumericDocValuesField(name, sortable);
}
@Override
public BytesRef indexedValueForSearch(Object value) {
BytesRef bytesRef = new BytesRef();
NumericUtils.intToPrefixCoded(parseValue(value), 0, bytesRef); // 0 because of exact match
return bytesRef;
}