+++ /dev/null
-package org.apache.lucene.queryParser.standard.builders;
-
-/**
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-import org.apache.lucene.document.NumericField;
-import org.apache.lucene.messages.MessageImpl;
-import org.apache.lucene.queryParser.core.QueryNodeException;
-import org.apache.lucene.queryParser.core.messages.QueryParserMessages;
-import org.apache.lucene.queryParser.core.nodes.QueryNode;
-import org.apache.lucene.queryParser.core.util.StringUtils;
-import org.apache.lucene.queryParser.standard.config.NumericConfig;
-import org.apache.lucene.queryParser.standard.nodes.NumericQueryNode;
-import org.apache.lucene.queryParser.standard.nodes.NumericRangeQueryNode;
-import org.apache.lucene.search.NumericRangeQuery;
-
-/**
- * Builds {@link NumericRangeQuery}s out of {@link NumericRangeQueryNode}s.
- *
- * @see NumericRangeQuery
- * @see NumericRangeQueryNode
- */
-public class NumericRangeQueryNodeBuilder implements StandardQueryBuilder {
-
- /**
- * Constructs a {@link NumericRangeQueryNodeBuilder} object.
- */
- public NumericRangeQueryNodeBuilder() {
- // empty constructor
- }
-
- public NumericRangeQuery<? extends Number> build(QueryNode queryNode)
- throws QueryNodeException {
- NumericRangeQueryNode numericRangeNode = (NumericRangeQueryNode) queryNode;
-
- NumericQueryNode lowerNumericNode = numericRangeNode.getLowerBound();
- NumericQueryNode upperNumericNode = numericRangeNode.getUpperBound();
-
- Number lowerNumber, upperNumber;
-
- if (lowerNumericNode != null) {
- lowerNumber = lowerNumericNode.getValue();
- } else {
- lowerNumber = null;
- }
-
- if (upperNumericNode != null) {
- upperNumber = upperNumericNode.getValue();
- } else {
- upperNumber = null;
- }
-
- NumericConfig numericConfig = numericRangeNode.getNumericConfig();
- NumericField.DataType numberType = numericConfig.getType();
- String field = StringUtils.toString(numericRangeNode.getField());
- boolean minInclusive = numericRangeNode.isLowerInclusive();
- boolean maxInclusive = numericRangeNode.isUpperInclusive();
- int precisionStep = numericConfig.getPrecisionStep();
-
- switch (numberType) {
-
- case LONG:
- return NumericRangeQuery.newLongRange(field, precisionStep,
- (Long) lowerNumber, (Long) upperNumber, minInclusive, maxInclusive);
-
- case INT:
- return NumericRangeQuery.newIntRange(field, precisionStep,
- (Integer) lowerNumber, (Integer) upperNumber, minInclusive,
- maxInclusive);
-
- case FLOAT:
- return NumericRangeQuery.newFloatRange(field, precisionStep,
- (Float) lowerNumber, (Float) upperNumber, minInclusive,
- maxInclusive);
-
- case DOUBLE:
- return NumericRangeQuery.newDoubleRange(field, precisionStep,
- (Double) lowerNumber, (Double) upperNumber, minInclusive,
- maxInclusive);
-
- default :
- throw new QueryNodeException(new MessageImpl(
- QueryParserMessages.UNSUPPORTED_NUMERIC_DATA_TYPE, numberType));
-
- }
- }
-
-}