@Override
protected Query newFuzzyQuery(String text, int fuzziness) {
BooleanQuery.Builder bq = new BooleanQuery.Builder();
bq.setDisableCoord(true);
for (Map.Entry<String, Float> entry : weights.entrySet()) {
String field = entry.getKey();
FieldType type = schema.getFieldType(field);
Query fuzzy;
if (type instanceof TextField) {
// If the field type is a TextField then use the multi term analyzer.
Analyzer analyzer = ((TextField) type).getMultiTermAnalyzer();
String term = TextField.analyzeMultiTerm(field, text, analyzer).utf8ToString();
fuzzy = new FuzzyQuery(new Term(entry.getKey(), term), fuzziness);
} else {
// If the type is *not* a TextField don't do any analysis.
fuzzy = new FuzzyQuery(new Term(entry.getKey(), text), fuzziness);
}
float boost = entry.getValue();
if (boost != 1f) {
fuzzy = new BoostQuery(fuzzy, boost);
}
bq.add(fuzzy, BooleanClause.Occur.SHOULD);
}
return simplify(bq.build());
}
@Override
protected Query newPrefixQuery(String text) {
BooleanQuery.Builder bq = new BooleanQuery.Builder();
bq.setDisableCoord(true);
for (Map.Entry<String, Float> entry : weights.entrySet()) {
String field = entry.getKey();
FieldType type = schema.getFieldType(field);
Query prefix;
if (type instanceof TextField) {
// If the field type is a TextField then use the multi term analyzer.
Analyzer analyzer = ((TextField) type).getMultiTermAnalyzer();
String term = TextField.analyzeMultiTerm(field, text, analyzer).utf8ToString();
SchemaField sf = schema.getField(field);
prefix = sf.getType().getPrefixQuery(qParser, sf, term);
} else {
// If the type is *not* a TextField don't do any analysis.
SchemaField sf = schema.getField(field);
prefix = type.getPrefixQuery(qParser, sf, text);
}
float boost = entry.getValue();
if (boost != 1f) {
prefix = new BoostQuery(prefix, boost);
}
bq.add(prefix, BooleanClause.Occur.SHOULD);
}
return simplify(bq.build());
}
