CavalliumDBEngine/src/main/java/it/cavallium/dbengine/client/query/QueryParser.java
2022-06-16 00:04:50 +02:00

370 lines
18 KiB
Java

package it.cavallium.dbengine.client.query;
import it.cavallium.dbengine.client.query.current.data.BooleanQueryPart;
import it.cavallium.dbengine.client.query.current.data.BoostQuery;
import it.cavallium.dbengine.client.query.current.data.BoxedQuery;
import it.cavallium.dbengine.client.query.current.data.ConstantScoreQuery;
import it.cavallium.dbengine.client.query.current.data.DoubleNDPointExactQuery;
import it.cavallium.dbengine.client.query.current.data.DoubleNDPointRangeQuery;
import it.cavallium.dbengine.client.query.current.data.DoubleNDTermQuery;
import it.cavallium.dbengine.client.query.current.data.DoublePointExactQuery;
import it.cavallium.dbengine.client.query.current.data.DoublePointRangeQuery;
import it.cavallium.dbengine.client.query.current.data.DoublePointSetQuery;
import it.cavallium.dbengine.client.query.current.data.DoubleTermQuery;
import it.cavallium.dbengine.client.query.current.data.FieldExistsQuery;
import it.cavallium.dbengine.client.query.current.data.FloatNDPointExactQuery;
import it.cavallium.dbengine.client.query.current.data.FloatNDPointRangeQuery;
import it.cavallium.dbengine.client.query.current.data.FloatNDTermQuery;
import it.cavallium.dbengine.client.query.current.data.FloatPointExactQuery;
import it.cavallium.dbengine.client.query.current.data.FloatPointRangeQuery;
import it.cavallium.dbengine.client.query.current.data.FloatPointSetQuery;
import it.cavallium.dbengine.client.query.current.data.FloatTermQuery;
import it.cavallium.dbengine.client.query.current.data.IntNDPointExactQuery;
import it.cavallium.dbengine.client.query.current.data.IntNDPointRangeQuery;
import it.cavallium.dbengine.client.query.current.data.IntNDTermQuery;
import it.cavallium.dbengine.client.query.current.data.IntPointExactQuery;
import it.cavallium.dbengine.client.query.current.data.IntPointRangeQuery;
import it.cavallium.dbengine.client.query.current.data.IntPointSetQuery;
import it.cavallium.dbengine.client.query.current.data.IntTermQuery;
import it.cavallium.dbengine.client.query.current.data.LongNDPointExactQuery;
import it.cavallium.dbengine.client.query.current.data.LongNDPointRangeQuery;
import it.cavallium.dbengine.client.query.current.data.LongNDTermQuery;
import it.cavallium.dbengine.client.query.current.data.LongPointExactQuery;
import it.cavallium.dbengine.client.query.current.data.LongPointRangeQuery;
import it.cavallium.dbengine.client.query.current.data.LongPointSetQuery;
import it.cavallium.dbengine.client.query.current.data.LongTermQuery;
import it.cavallium.dbengine.client.query.current.data.NumericSort;
import it.cavallium.dbengine.client.query.current.data.PhraseQuery;
import it.cavallium.dbengine.client.query.current.data.PointConfig;
import it.cavallium.dbengine.client.query.current.data.PointType;
import it.cavallium.dbengine.client.query.current.data.SortedDocFieldExistsQuery;
import it.cavallium.dbengine.client.query.current.data.SortedNumericDocValuesFieldSlowRangeQuery;
import it.cavallium.dbengine.client.query.current.data.SynonymQuery;
import it.cavallium.dbengine.client.query.current.data.TermAndBoost;
import it.cavallium.dbengine.client.query.current.data.TermPosition;
import it.cavallium.dbengine.client.query.current.data.TermQuery;
import it.cavallium.dbengine.client.query.current.data.WildcardQuery;
import it.cavallium.dbengine.lucene.RandomSortField;
import java.text.DecimalFormat;
import java.text.NumberFormat;
import java.util.Map;
import java.util.function.Function;
import java.util.stream.Collectors;
import org.apache.lucene.analysis.Analyzer;
import org.apache.lucene.analysis.LowerCaseFilter;
import org.apache.lucene.analysis.StopFilter;
import org.apache.lucene.analysis.TokenStream;
import org.apache.lucene.analysis.Tokenizer;
import org.apache.lucene.analysis.core.KeywordTokenizer;
import org.apache.lucene.analysis.en.EnglishPossessiveFilter;
import org.apache.lucene.analysis.en.PorterStemFilter;
import org.apache.lucene.analysis.miscellaneous.PerFieldAnalyzerWrapper;
import org.apache.lucene.analysis.miscellaneous.SetKeywordMarkerFilter;
import org.apache.lucene.analysis.standard.StandardTokenizer;
import org.apache.lucene.document.DoublePoint;
import org.apache.lucene.document.FloatPoint;
import org.apache.lucene.document.IntPoint;
import org.apache.lucene.document.LongPoint;
import org.apache.lucene.document.SortedNumericDocValuesField;
import org.apache.lucene.index.Term;
import org.apache.lucene.queryparser.flexible.core.QueryNodeException;
import org.apache.lucene.queryparser.flexible.standard.StandardQueryParser;
import org.apache.lucene.queryparser.flexible.standard.config.PointsConfig;
import org.apache.lucene.search.BooleanClause.Occur;
import org.apache.lucene.search.BooleanQuery.Builder;
import org.apache.lucene.search.DocValuesFieldExistsQuery;
import org.apache.lucene.search.FuzzyQuery;
import org.apache.lucene.search.MatchAllDocsQuery;
import org.apache.lucene.search.MatchNoDocsQuery;
import org.apache.lucene.search.Query;
import org.apache.lucene.search.Sort;
import org.apache.lucene.search.SortField;
import org.apache.lucene.search.SortField.Type;
import org.apache.lucene.search.SortedNumericSortField;
public class QueryParser {
public static Query toQuery(it.cavallium.dbengine.client.query.current.data.Query query, Analyzer analyzer) {
if (query == null) {
return null;
}
switch (query.getBasicType$()) {
case StandardQuery:
var standardQuery = (it.cavallium.dbengine.client.query.current.data.StandardQuery) query;
// Fix the analyzer
Map<String, Analyzer> customAnalyzers = standardQuery
.termFields()
.stream()
.collect(Collectors.toMap(Function.identity(), term -> new NoOpAnalyzer()));
analyzer = new PerFieldAnalyzerWrapper(analyzer, customAnalyzers);
var standardQueryParser = new StandardQueryParser(analyzer);
standardQueryParser.setPointsConfigMap(standardQuery
.pointsConfig()
.stream()
.collect(Collectors.toMap(
PointConfig::field,
pointConfig -> new PointsConfig(
toNumberFormat(pointConfig.data().numberFormat()),
toType(pointConfig.data().type())
)
)));
var defaultFields = standardQuery.defaultFields();
try {
Query parsed;
if (defaultFields.size() > 1) {
standardQueryParser.setMultiFields(defaultFields.toArray(String[]::new));
parsed = standardQueryParser.parse(standardQuery.query(), null);
} else if (defaultFields.size() == 1) {
parsed = standardQueryParser.parse(standardQuery.query(), defaultFields.get(0));
} else {
throw new IllegalStateException("Can't parse a standard query expression that has 0 default fields");
}
return parsed;
} catch (QueryNodeException e) {
throw new IllegalStateException("Can't parse query expression \"" + standardQuery.query() + "\"", e);
}
case BooleanQuery:
var booleanQuery = (it.cavallium.dbengine.client.query.current.data.BooleanQuery) query;
var bq = new Builder();
for (BooleanQueryPart part : booleanQuery.parts()) {
Occur occur = switch (part.occur().getBasicType$()) {
case OccurFilter -> Occur.FILTER;
case OccurMust -> Occur.MUST;
case OccurShould -> Occur.SHOULD;
case OccurMustNot -> Occur.MUST_NOT;
default -> throw new IllegalStateException("Unexpected value: " + part.occur().getBasicType$());
};
bq.add(toQuery(part.query(), analyzer), occur);
}
bq.setMinimumNumberShouldMatch(booleanQuery.minShouldMatch());
return bq.build();
case IntPointExactQuery:
var intPointExactQuery = (IntPointExactQuery) query;
return IntPoint.newExactQuery(intPointExactQuery.field(), intPointExactQuery.value());
case IntNDPointExactQuery:
var intndPointExactQuery = (IntNDPointExactQuery) query;
var intndValues = intndPointExactQuery.value().toIntArray();
return IntPoint.newRangeQuery(intndPointExactQuery.field(), intndValues, intndValues);
case LongPointExactQuery:
var longPointExactQuery = (LongPointExactQuery) query;
return LongPoint.newExactQuery(longPointExactQuery.field(), longPointExactQuery.value());
case FloatPointExactQuery:
var floatPointExactQuery = (FloatPointExactQuery) query;
return FloatPoint.newExactQuery(floatPointExactQuery.field(), floatPointExactQuery.value());
case DoublePointExactQuery:
var doublePointExactQuery = (DoublePointExactQuery) query;
return DoublePoint.newExactQuery(doublePointExactQuery.field(), doublePointExactQuery.value());
case LongNDPointExactQuery:
var longndPointExactQuery = (LongNDPointExactQuery) query;
var longndValues = longndPointExactQuery.value().toLongArray();
return LongPoint.newRangeQuery(longndPointExactQuery.field(), longndValues, longndValues);
case FloatNDPointExactQuery:
var floatndPointExactQuery = (FloatNDPointExactQuery) query;
var floatndValues = floatndPointExactQuery.value().toFloatArray();
return FloatPoint.newRangeQuery(floatndPointExactQuery.field(), floatndValues, floatndValues);
case DoubleNDPointExactQuery:
var doublendPointExactQuery = (DoubleNDPointExactQuery) query;
var doublendValues = doublendPointExactQuery.value().toDoubleArray();
return DoublePoint.newRangeQuery(doublendPointExactQuery.field(), doublendValues, doublendValues);
case IntPointSetQuery:
var intPointSetQuery = (IntPointSetQuery) query;
return IntPoint.newSetQuery(intPointSetQuery.field(), intPointSetQuery.values().toIntArray());
case LongPointSetQuery:
var longPointSetQuery = (LongPointSetQuery) query;
return LongPoint.newSetQuery(longPointSetQuery.field(), longPointSetQuery.values().toLongArray());
case FloatPointSetQuery:
var floatPointSetQuery = (FloatPointSetQuery) query;
return FloatPoint.newSetQuery(floatPointSetQuery.field(), floatPointSetQuery.values().toFloatArray());
case DoublePointSetQuery:
var doublePointSetQuery = (DoublePointSetQuery) query;
return DoublePoint.newSetQuery(doublePointSetQuery.field(), doublePointSetQuery.values().toDoubleArray());
case TermQuery:
var termQuery = (TermQuery) query;
return new org.apache.lucene.search.TermQuery(toTerm(termQuery.term()));
case IntTermQuery:
var intTermQuery = (IntTermQuery) query;
return new org.apache.lucene.search.TermQuery(new Term(intTermQuery.field(),
IntPoint.pack(intTermQuery.value())
));
case IntNDTermQuery:
var intNDTermQuery = (IntNDTermQuery) query;
return new org.apache.lucene.search.TermQuery(new Term(intNDTermQuery.field(),
IntPoint.pack(intNDTermQuery.value().toIntArray())
));
case LongTermQuery:
var longTermQuery = (LongTermQuery) query;
return new org.apache.lucene.search.TermQuery(new Term(longTermQuery.field(),
LongPoint.pack(longTermQuery.value())
));
case LongNDTermQuery:
var longNDTermQuery = (LongNDTermQuery) query;
return new org.apache.lucene.search.TermQuery(new Term(longNDTermQuery.field(),
LongPoint.pack(longNDTermQuery.value().toLongArray())
));
case FloatTermQuery:
var floatTermQuery = (FloatTermQuery) query;
return new org.apache.lucene.search.TermQuery(new Term(floatTermQuery.field(),
FloatPoint.pack(floatTermQuery.value())
));
case FloatNDTermQuery:
var floatNDTermQuery = (FloatNDTermQuery) query;
return new org.apache.lucene.search.TermQuery(new Term(floatNDTermQuery.field(),
FloatPoint.pack(floatNDTermQuery.value().toFloatArray())
));
case DoubleTermQuery:
var doubleTermQuery = (DoubleTermQuery) query;
return new org.apache.lucene.search.TermQuery(new Term(doubleTermQuery.field(),
DoublePoint.pack(doubleTermQuery.value())
));
case DoubleNDTermQuery:
var doubleNDTermQuery = (DoubleNDTermQuery) query;
return new org.apache.lucene.search.TermQuery(new Term(doubleNDTermQuery.field(),
DoublePoint.pack(doubleNDTermQuery.value().toDoubleArray())
));
case FieldExistsQuery:
var fieldExistQuery = (FieldExistsQuery) query;
return new org.apache.lucene.search.FieldExistsQuery(fieldExistQuery.field());
case BoostQuery:
var boostQuery = (BoostQuery) query;
return new org.apache.lucene.search.BoostQuery(toQuery(boostQuery.query(), analyzer), boostQuery.scoreBoost());
case ConstantScoreQuery:
var constantScoreQuery = (ConstantScoreQuery) query;
return new org.apache.lucene.search.ConstantScoreQuery(toQuery(constantScoreQuery.query(), analyzer));
case BoxedQuery:
return toQuery(((BoxedQuery) query).query(), analyzer);
case FuzzyQuery:
var fuzzyQuery = (it.cavallium.dbengine.client.query.current.data.FuzzyQuery) query;
return new FuzzyQuery(toTerm(fuzzyQuery.term()),
fuzzyQuery.maxEdits(),
fuzzyQuery.prefixLength(),
fuzzyQuery.maxExpansions(),
fuzzyQuery.transpositions()
);
case IntPointRangeQuery:
var intPointRangeQuery = (IntPointRangeQuery) query;
return IntPoint.newRangeQuery(intPointRangeQuery.field(), intPointRangeQuery.min(), intPointRangeQuery.max());
case IntNDPointRangeQuery:
var intndPointRangeQuery = (IntNDPointRangeQuery) query;
return IntPoint.newRangeQuery(intndPointRangeQuery.field(),
intndPointRangeQuery.min().toIntArray(),
intndPointRangeQuery.max().toIntArray()
);
case LongPointRangeQuery:
var longPointRangeQuery = (LongPointRangeQuery) query;
return LongPoint.newRangeQuery(longPointRangeQuery.field(),
longPointRangeQuery.min(),
longPointRangeQuery.max()
);
case FloatPointRangeQuery:
var floatPointRangeQuery = (FloatPointRangeQuery) query;
return FloatPoint.newRangeQuery(floatPointRangeQuery.field(),
floatPointRangeQuery.min(),
floatPointRangeQuery.max()
);
case DoublePointRangeQuery:
var doublePointRangeQuery = (DoublePointRangeQuery) query;
return DoublePoint.newRangeQuery(doublePointRangeQuery.field(),
doublePointRangeQuery.min(),
doublePointRangeQuery.max()
);
case LongNDPointRangeQuery:
var longndPointRangeQuery = (LongNDPointRangeQuery) query;
return LongPoint.newRangeQuery(longndPointRangeQuery.field(),
longndPointRangeQuery.min().toLongArray(),
longndPointRangeQuery.max().toLongArray()
);
case FloatNDPointRangeQuery:
var floatndPointRangeQuery = (FloatNDPointRangeQuery) query;
return FloatPoint.newRangeQuery(floatndPointRangeQuery.field(),
floatndPointRangeQuery.min().toFloatArray(),
floatndPointRangeQuery.max().toFloatArray()
);
case DoubleNDPointRangeQuery:
var doublendPointRangeQuery = (DoubleNDPointRangeQuery) query;
return DoublePoint.newRangeQuery(doublendPointRangeQuery.field(),
doublendPointRangeQuery.min().toDoubleArray(),
doublendPointRangeQuery.max().toDoubleArray()
);
case MatchAllDocsQuery:
return new MatchAllDocsQuery();
case MatchNoDocsQuery:
return new MatchNoDocsQuery();
case PhraseQuery:
var phraseQuery = (PhraseQuery) query;
var pqb = new org.apache.lucene.search.PhraseQuery.Builder();
for (TermPosition phrase : phraseQuery.phrase()) {
pqb.add(toTerm(phrase.term()), phrase.position());
}
pqb.setSlop(phraseQuery.slop());
return pqb.build();
case SortedDocFieldExistsQuery:
var sortedDocFieldExistsQuery = (SortedDocFieldExistsQuery) query;
return new DocValuesFieldExistsQuery(sortedDocFieldExistsQuery.field());
case SynonymQuery:
var synonymQuery = (SynonymQuery) query;
var sqb = new org.apache.lucene.search.SynonymQuery.Builder(synonymQuery.field());
for (TermAndBoost part : synonymQuery.parts()) {
sqb.addTerm(toTerm(part.term()), part.boost());
}
return sqb.build();
case SortedNumericDocValuesFieldSlowRangeQuery:
var sortedNumericDocValuesFieldSlowRangeQuery = (SortedNumericDocValuesFieldSlowRangeQuery) query;
return SortedNumericDocValuesField.newSlowRangeQuery(sortedNumericDocValuesFieldSlowRangeQuery.field(),
sortedNumericDocValuesFieldSlowRangeQuery.min(),
sortedNumericDocValuesFieldSlowRangeQuery.max()
);
case WildcardQuery:
var wildcardQuery = (WildcardQuery) query;
return new org.apache.lucene.search.WildcardQuery(new Term(wildcardQuery.field(), wildcardQuery.pattern()));
default:
throw new IllegalStateException("Unexpected value: " + query.getBasicType$());
}
}
private static NumberFormat toNumberFormat(it.cavallium.dbengine.client.query.current.data.NumberFormat numberFormat) {
return switch (numberFormat.getBasicType$()) {
case NumberFormatDecimal -> new DecimalFormat();
default -> throw new UnsupportedOperationException("Unsupported type: " + numberFormat.getBasicType$());
};
}
private static Class<? extends Number> toType(PointType type) {
return switch (type.getBasicType$()) {
case PointTypeInt -> Integer.class;
case PointTypeLong -> Long.class;
case PointTypeFloat -> Float.class;
case PointTypeDouble -> Double.class;
default -> throw new UnsupportedOperationException("Unsupported type: " + type.getBasicType$());
};
}
private static Term toTerm(it.cavallium.dbengine.client.query.current.data.Term term) {
return new Term(term.field(), term.value());
}
public static Sort toSort(it.cavallium.dbengine.client.query.current.data.Sort sort) {
switch (sort.getBasicType$()) {
case NoSort:
return null;
case ScoreSort:
return new Sort(SortField.FIELD_SCORE);
case DocSort:
return new Sort(SortField.FIELD_DOC);
case NumericSort:
NumericSort numericSort = (NumericSort) sort;
return new Sort(new SortedNumericSortField(numericSort.field(), Type.LONG, numericSort.reverse()));
case RandomSort:
return new Sort(new RandomSortField());
default:
throw new IllegalStateException("Unexpected value: " + sort.getBasicType$());
}
}
public static it.cavallium.dbengine.client.query.current.data.Term toQueryTerm(Term term) {
return it.cavallium.dbengine.client.query.current.data.Term.of(term.field(), term.text());
}
}