@Override
public Filter getFilter(Element e) throws ParserException {
String field = DOMUtils.getAttributeWithInheritanceOrFail(e, "fieldName");
String lowerTerm = DOMUtils.getAttributeOrFail(e, "lowerTerm");
String upperTerm = DOMUtils.getAttributeOrFail(e, "upperTerm");
boolean lowerInclusive = DOMUtils.getAttribute(e, "includeLower", true);
boolean upperInclusive = DOMUtils.getAttribute(e, "includeUpper", true);
int precisionStep =
DOMUtils.getAttribute(e, "precisionStep", NumericUtils.PRECISION_STEP_DEFAULT);
String type = DOMUtils.getAttribute(e, "type", "int");
try {
Filter filter;
if (type.equalsIgnoreCase("int")) {
filter =
NumericRangeFilter.newIntRange(
field,
precisionStep,
Integer.valueOf(lowerTerm),
Integer.valueOf(upperTerm),
lowerInclusive,
upperInclusive);
} else if (type.equalsIgnoreCase("long")) {
filter =
NumericRangeFilter.newLongRange(
field,
precisionStep,
Long.valueOf(lowerTerm),
Long.valueOf(upperTerm),
lowerInclusive,
upperInclusive);
} else if (type.equalsIgnoreCase("double")) {
filter =
NumericRangeFilter.newDoubleRange(
field,
precisionStep,
Double.valueOf(lowerTerm),
Double.valueOf(upperTerm),
lowerInclusive,
upperInclusive);
} else if (type.equalsIgnoreCase("float")) {
filter =
NumericRangeFilter.newFloatRange(
field,
precisionStep,
Float.valueOf(lowerTerm),
Float.valueOf(upperTerm),
lowerInclusive,
upperInclusive);
} else {
throw new ParserException("type attribute must be one of: [long, int, double, float]");
}
return filter;
} catch (NumberFormatException nfe) {
if (strictMode) {
throw new ParserException("Could not parse lowerTerm or upperTerm into a number", nfe);
}
return NO_MATCH_FILTER;
}
}
@Override
public Filter nullValueFilter() {
if (nullValue == null) {
return null;
}
return NumericRangeFilter.newIntRange(
names.indexName(), precisionStep, nullValue, nullValue, true, true);
}
@Override
public Filter rangeFilter(
Object lowerTerm,
Object upperTerm,
boolean includeLower,
boolean includeUpper,
@Nullable QueryParseContext context) {
return NumericRangeFilter.newIntRange(
names.indexName(),
precisionStep,
lowerTerm == null ? null : parseValue(lowerTerm),
upperTerm == null ? null : parseValue(upperTerm),
includeLower,
includeUpper);
}
@Override
public Filter rangeFilter(
String lowerTerm,
String upperTerm,
boolean includeLower,
boolean includeUpper,
@Nullable QueryParseContext context) {
return NumericRangeFilter.newIntRange(
names.indexName(),
precisionStep,
lowerTerm == null ? null : Integer.parseInt(lowerTerm),
upperTerm == null ? null : Integer.parseInt(upperTerm),
includeLower,
includeUpper);
}
public void testIsCacheAble() throws Exception {
Directory dir = newDirectory();
RandomIndexWriter writer = new RandomIndexWriter(random(), dir);
writer.addDocument(new Document());
writer.close();
IndexReader reader = SlowCompositeReaderWrapper.wrap(DirectoryReader.open(dir));
// not cacheable:
assertDocIdSetCacheable(
reader, new QueryWrapperFilter(new TermQuery(new Term("test", "value"))), false);
// returns default empty docidset, always cacheable:
assertDocIdSetCacheable(
reader,
NumericRangeFilter.newIntRange(
"test", Integer.valueOf(10000), Integer.valueOf(-10000), true, true),
true);
// is cacheable:
assertDocIdSetCacheable(
reader,
FieldCacheRangeFilter.newIntRange(
"test", Integer.valueOf(10), Integer.valueOf(20), true, true),
true);
// a fixedbitset filter is always cacheable
assertDocIdSetCacheable(
reader,
new Filter() {
@Override
public DocIdSet getDocIdSet(AtomicReaderContext context, Bits acceptDocs) {
return new FixedBitSet(context.reader().maxDoc());
}
},
true);
reader.close();
dir.close();
}
@Override
public Filter termFilter(Object value, @Nullable QueryParseContext context) {
int iValue = parseValue(value);
return NumericRangeFilter.newIntRange(
names.indexName(), precisionStep, iValue, iValue, true, true);
}
@Override
public Filter fieldFilter(String value, @Nullable QueryParseContext context) {
int iValue = Integer.parseInt(value);
return NumericRangeFilter.newIntRange(
names.indexName(), precisionStep, iValue, iValue, true, true);
}