protected <N extends Number> NumericRangeQuery<?> numericRange(
Class<N> clazz,
String field,
@Nullable N min,
@Nullable N max,
boolean minInc,
boolean maxInc) {
if (clazz.equals(Integer.class)) {
return NumericRangeQuery.newIntRange(field, (Integer) min, (Integer) max, minInc, maxInc);
} else if (clazz.equals(Double.class)) {
return NumericRangeQuery.newDoubleRange(field, (Double) min, (Double) max, minInc, minInc);
} else if (clazz.equals(Float.class)) {
return NumericRangeQuery.newFloatRange(field, (Float) min, (Float) max, minInc, minInc);
} else if (clazz.equals(Long.class)) {
return NumericRangeQuery.newLongRange(field, (Long) min, (Long) max, minInc, minInc);
} else if (clazz.equals(Byte.class) || clazz.equals(Short.class)) {
return NumericRangeQuery.newIntRange(
field,
min != null ? min.intValue() : null,
max != null ? max.intValue() : null,
minInc,
maxInc);
} else {
throw new IllegalArgumentException("Unsupported numeric type " + clazz.getName());
}
}
@Override
public Query fuzzyQuery(
String value,
Fuzziness fuzziness,
int prefixLength,
int maxExpansions,
boolean transpositions) {
double iValue = Double.parseDouble(value);
double iSim = fuzziness.asDouble();
return NumericRangeQuery.newDoubleRange(
names.indexName(), precisionStep, iValue - iSim, iValue + iSim, true, true);
}
@Override
public Query rangeQuery(
Object lowerTerm,
Object upperTerm,
boolean includeLower,
boolean includeUpper,
@Nullable QueryParseContext context) {
return NumericRangeQuery.newDoubleRange(
names.indexName(),
precisionStep,
lowerTerm == null ? null : parseDoubleValue(lowerTerm),
upperTerm == null ? null : parseDoubleValue(upperTerm),
includeLower,
includeUpper);
}
// loading promotional products
public List<Products> extractPromotionalProducts() {
FullTextEntityManager fullTextEntityManager =
org.hibernate.search.jpa.Search.getFullTextEntityManager(em);
org.apache.lucene.search.Query query =
NumericRangeQuery.newDoubleRange("old_price", 0.0d, 1000d, false, true);
FullTextQuery fullTextQuery = fullTextEntityManager.createFullTextQuery(query, Products.class);
Sort sort = new Sort(new SortField("price", SortField.DOUBLE));
fullTextQuery.setSort(sort);
fullTextQuery.initializeObjectsWith(
ObjectLookupMethod.SKIP, DatabaseRetrievalMethod.FIND_BY_ID);
List results = fullTextQuery.getResultList();
return results;
}
@Override
public Query getRangeQuery(String field, String part1, String part2, boolean inclusive)
throws ParseException {
TermRangeQuery query =
(TermRangeQuery) // A
super.getRangeQuery(
field, part1, part2, // A
inclusive); // A
if ("price".equals(field)) {
return NumericRangeQuery.newDoubleRange( // B
"price", // B
Double.parseDouble( // B
query.getLowerTerm()), // B
Double.parseDouble( // B
query.getUpperTerm()), // B
query.includesLower(), // B
query.includesUpper()); // B
} else {
return query; // C
}
}
@Override
public Query termQuery(Object value, @Nullable QueryParseContext context) {
double dValue = parseDoubleValue(value);
return NumericRangeQuery.newDoubleRange(
names.indexName(), precisionStep, dValue, dValue, true, true);
}
@Override
public Query getRangeQuery(
QParser parser,
SchemaField field,
String min,
String max,
boolean minInclusive,
boolean maxInclusive) {
int ps = precisionStep;
Query query = null;
switch (type) {
case INTEGER:
query =
NumericRangeQuery.newIntRange(
field.getName(),
ps,
min == null ? null : Integer.parseInt(min),
max == null ? null : Integer.parseInt(max),
minInclusive,
maxInclusive);
break;
case FLOAT:
query =
NumericRangeQuery.newFloatRange(
field.getName(),
ps,
min == null ? null : Float.parseFloat(min),
max == null ? null : Float.parseFloat(max),
minInclusive,
maxInclusive);
break;
case LONG:
query =
NumericRangeQuery.newLongRange(
field.getName(),
ps,
min == null ? null : Long.parseLong(min),
max == null ? null : Long.parseLong(max),
minInclusive,
maxInclusive);
break;
case DOUBLE:
query =
NumericRangeQuery.newDoubleRange(
field.getName(),
ps,
min == null ? null : Double.parseDouble(min),
max == null ? null : Double.parseDouble(max),
minInclusive,
maxInclusive);
break;
case DATE:
query =
NumericRangeQuery.newLongRange(
field.getName(),
ps,
min == null ? null : dateField.parseMath(null, min).getTime(),
max == null ? null : dateField.parseMath(null, max).getTime(),
minInclusive,
maxInclusive);
break;
default:
throw new SolrException(
SolrException.ErrorCode.SERVER_ERROR, "Unknown type for trie field");
}
return query;
}
