private AbstractDistanceScoreFunction parseDateVariable(
XContentParser parser,
QueryShardContext context,
DateFieldMapper.DateFieldType dateFieldType,
MultiValueMode mode)
throws IOException {
XContentParser.Token token;
String parameterName = null;
String scaleString = null;
String originString = null;
String offsetString = "0d";
double decay = 0.5;
while ((token = parser.nextToken()) != XContentParser.Token.END_OBJECT) {
if (token == XContentParser.Token.FIELD_NAME) {
parameterName = parser.currentName();
} else if (DecayFunctionBuilder.SCALE.equals(parameterName)) {
scaleString = parser.text();
} else if (DecayFunctionBuilder.ORIGIN.equals(parameterName)) {
originString = parser.text();
} else if (DecayFunctionBuilder.DECAY.equals(parameterName)) {
decay = parser.doubleValue();
} else if (DecayFunctionBuilder.OFFSET.equals(parameterName)) {
offsetString = parser.text();
} else {
throw new ElasticsearchParseException("parameter [{}] not supported!", parameterName);
}
}
long origin;
if (originString == null) {
origin = context.nowInMillis();
} else {
origin = dateFieldType.parseToMilliseconds(originString, false, null, null);
}
if (scaleString == null) {
throw new ElasticsearchParseException(
"[{}] must be set for date fields.", DecayFunctionBuilder.SCALE);
}
TimeValue val =
TimeValue.parseTimeValue(
scaleString,
TimeValue.timeValueHours(24),
DecayFunctionParser.class.getSimpleName() + ".scale");
double scale = val.getMillis();
val =
TimeValue.parseTimeValue(
offsetString,
TimeValue.timeValueHours(24),
DecayFunctionParser.class.getSimpleName() + ".offset");
double offset = val.getMillis();
IndexNumericFieldData numericFieldData = context.getForField(dateFieldType);
return new NumericFieldDataScoreFunction(
origin, scale, decay, offset, getDecayFunction(), numericFieldData, mode);
}
private AbstractDistanceScoreFunction parseNumberVariable(
XContentParser parser,
QueryShardContext context,
NumberFieldMapper.NumberFieldType fieldType,
MultiValueMode mode)
throws IOException {
XContentParser.Token token;
String parameterName = null;
double scale = 0;
double origin = 0;
double decay = 0.5;
double offset = 0.0d;
boolean scaleFound = false;
boolean refFound = false;
while ((token = parser.nextToken()) != XContentParser.Token.END_OBJECT) {
if (token == XContentParser.Token.FIELD_NAME) {
parameterName = parser.currentName();
} else if (DecayFunctionBuilder.SCALE.equals(parameterName)) {
scale = parser.doubleValue();
scaleFound = true;
} else if (DecayFunctionBuilder.DECAY.equals(parameterName)) {
decay = parser.doubleValue();
} else if (DecayFunctionBuilder.ORIGIN.equals(parameterName)) {
origin = parser.doubleValue();
refFound = true;
} else if (DecayFunctionBuilder.OFFSET.equals(parameterName)) {
offset = parser.doubleValue();
} else {
throw new ElasticsearchParseException("parameter [{}] not supported!", parameterName);
}
}
if (!scaleFound || !refFound) {
throw new ElasticsearchParseException(
"both [{}] and [{}] must be set for numeric fields.",
DecayFunctionBuilder.SCALE,
DecayFunctionBuilder.ORIGIN);
}
IndexNumericFieldData numericFieldData = context.getForField(fieldType);
return new NumericFieldDataScoreFunction(
origin, scale, decay, offset, getDecayFunction(), numericFieldData, mode);
}
private AbstractDistanceScoreFunction parseGeoVariable(
XContentParser parser,
QueryShardContext context,
BaseGeoPointFieldMapper.GeoPointFieldType fieldType,
MultiValueMode mode)
throws IOException {
XContentParser.Token token;
String parameterName = null;
GeoPoint origin = new GeoPoint();
String scaleString = null;
String offsetString = "0km";
double decay = 0.5;
while ((token = parser.nextToken()) != XContentParser.Token.END_OBJECT) {
if (token == XContentParser.Token.FIELD_NAME) {
parameterName = parser.currentName();
} else if (DecayFunctionBuilder.SCALE.equals(parameterName)) {
scaleString = parser.text();
} else if (DecayFunctionBuilder.ORIGIN.equals(parameterName)) {
origin = GeoUtils.parseGeoPoint(parser);
} else if (DecayFunctionBuilder.DECAY.equals(parameterName)) {
decay = parser.doubleValue();
} else if (DecayFunctionBuilder.OFFSET.equals(parameterName)) {
offsetString = parser.text();
} else {
throw new ElasticsearchParseException("parameter [{}] not supported!", parameterName);
}
}
if (origin == null || scaleString == null) {
throw new ElasticsearchParseException(
"[{}] and [{}] must be set for geo fields.",
DecayFunctionBuilder.ORIGIN,
DecayFunctionBuilder.SCALE);
}
double scale = DistanceUnit.DEFAULT.parse(scaleString, DistanceUnit.DEFAULT);
double offset = DistanceUnit.DEFAULT.parse(offsetString, DistanceUnit.DEFAULT);
IndexGeoPointFieldData indexFieldData = context.getForField(fieldType);
return new GeoFieldDataScoreFunction(
origin, scale, decay, offset, getDecayFunction(), indexFieldData, mode);
}
public void testToFilter() throws IOException {
Directory dir = new RAMDirectory();
try (IndexWriter writer =
new IndexWriter(dir, newIndexWriterConfig(new MockAnalyzer(random())))) {
writer.commit();
}
QueryShardContext context = mock(QueryShardContext.class);
try (IndexReader reader = DirectoryReader.open(dir)) {
MappedFieldType fieldType =
new MappedFieldType() {
@Override
public MappedFieldType clone() {
return null;
}
@Override
public String typeName() {
return null;
}
@Override
public Query termQuery(Object value, @Nullable QueryShardContext context) {
return null;
}
};
fieldType.setName(UidFieldMapper.NAME);
fieldType.setHasDocValues(false);
when(context.fieldMapper(UidFieldMapper.NAME)).thenReturn(fieldType);
when(context.getIndexReader()).thenReturn(reader);
SliceBuilder builder = new SliceBuilder(5, 10);
Query query = builder.toFilter(context, 0, 1);
assertThat(query, instanceOf(TermsSliceQuery.class));
assertThat(builder.toFilter(context, 0, 1), equalTo(query));
try (IndexReader newReader = DirectoryReader.open(dir)) {
when(context.getIndexReader()).thenReturn(newReader);
assertThat(builder.toFilter(context, 0, 1), equalTo(query));
}
}
try (IndexReader reader = DirectoryReader.open(dir)) {
MappedFieldType fieldType =
new MappedFieldType() {
@Override
public MappedFieldType clone() {
return null;
}
@Override
public String typeName() {
return null;
}
@Override
public Query termQuery(Object value, @Nullable QueryShardContext context) {
return null;
}
};
fieldType.setName("field_doc_values");
fieldType.setHasDocValues(true);
fieldType.setDocValuesType(DocValuesType.SORTED_NUMERIC);
when(context.fieldMapper("field_doc_values")).thenReturn(fieldType);
when(context.getIndexReader()).thenReturn(reader);
IndexNumericFieldData fd = mock(IndexNumericFieldData.class);
when(context.getForField(fieldType)).thenReturn(fd);
SliceBuilder builder = new SliceBuilder("field_doc_values", 5, 10);
Query query = builder.toFilter(context, 0, 1);
assertThat(query, instanceOf(DocValuesSliceQuery.class));
assertThat(builder.toFilter(context, 0, 1), equalTo(query));
try (IndexReader newReader = DirectoryReader.open(dir)) {
when(context.getIndexReader()).thenReturn(newReader);
assertThat(builder.toFilter(context, 0, 1), equalTo(query));
}
// numSlices > numShards
int numSlices = randomIntBetween(10, 100);
int numShards = randomIntBetween(1, 9);
Map<Integer, AtomicInteger> numSliceMap = new HashMap<>();
for (int i = 0; i < numSlices; i++) {
for (int j = 0; j < numShards; j++) {
SliceBuilder slice = new SliceBuilder("_uid", i, numSlices);
Query q = slice.toFilter(context, j, numShards);
if (q instanceof TermsSliceQuery || q instanceof MatchAllDocsQuery) {
AtomicInteger count = numSliceMap.get(j);
if (count == null) {
count = new AtomicInteger(0);
numSliceMap.put(j, count);
}
count.incrementAndGet();
if (q instanceof MatchAllDocsQuery) {
assertThat(count.get(), equalTo(1));
}
} else {
assertThat(q, instanceOf(MatchNoDocsQuery.class));
}
}
}
int total = 0;
for (Map.Entry<Integer, AtomicInteger> e : numSliceMap.entrySet()) {
total += e.getValue().get();
}
assertThat(total, equalTo(numSlices));
// numShards > numSlices
numShards = randomIntBetween(4, 100);
numSlices = randomIntBetween(2, numShards - 1);
List<Integer> targetShards = new ArrayList<>();
for (int i = 0; i < numSlices; i++) {
for (int j = 0; j < numShards; j++) {
SliceBuilder slice = new SliceBuilder("_uid", i, numSlices);
Query q = slice.toFilter(context, j, numShards);
if (q instanceof MatchNoDocsQuery == false) {
assertThat(q, instanceOf(MatchAllDocsQuery.class));
targetShards.add(j);
}
}
}
assertThat(targetShards.size(), equalTo(numShards));
assertThat(new HashSet<>(targetShards).size(), equalTo(numShards));
// numShards == numSlices
numShards = randomIntBetween(2, 10);
numSlices = numShards;
for (int i = 0; i < numSlices; i++) {
for (int j = 0; j < numShards; j++) {
SliceBuilder slice = new SliceBuilder("_uid", i, numSlices);
Query q = slice.toFilter(context, j, numShards);
if (i == j) {
assertThat(q, instanceOf(MatchAllDocsQuery.class));
} else {
assertThat(q, instanceOf(MatchNoDocsQuery.class));
}
}
}
}
try (IndexReader reader = DirectoryReader.open(dir)) {
MappedFieldType fieldType =
new MappedFieldType() {
@Override
public MappedFieldType clone() {
return null;
}
@Override
public String typeName() {
return null;
}
@Override
public Query termQuery(Object value, @Nullable QueryShardContext context) {
return null;
}
};
fieldType.setName("field_without_doc_values");
when(context.fieldMapper("field_without_doc_values")).thenReturn(fieldType);
when(context.getIndexReader()).thenReturn(reader);
SliceBuilder builder = new SliceBuilder("field_without_doc_values", 5, 10);
IllegalArgumentException exc =
expectThrows(IllegalArgumentException.class, () -> builder.toFilter(context, 0, 1));
assertThat(exc.getMessage(), containsString("cannot load numeric doc values"));
}
}