| /* |
| * 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. |
| */ |
| package org.apache.lucene.queryparser.flexible.standard.nodes; |
| |
| import java.text.NumberFormat; |
| import java.util.Locale; |
| |
| import org.apache.lucene.queryparser.flexible.core.nodes.FieldQueryNode; |
| import org.apache.lucene.queryparser.flexible.core.nodes.FieldValuePairQueryNode; |
| import org.apache.lucene.queryparser.flexible.core.nodes.QueryNodeImpl; |
| import org.apache.lucene.queryparser.flexible.core.parser.EscapeQuerySyntax; |
| import org.apache.lucene.queryparser.flexible.core.parser.EscapeQuerySyntax.Type; |
| import org.apache.lucene.queryparser.flexible.standard.config.PointsConfig; |
| |
| /** |
| * This query node represents a field query that holds a point value. It is |
| * similar to {@link FieldQueryNode}, however the {@link #getValue()} returns a |
| * {@link Number}. |
| * |
| * @see PointsConfig |
| */ |
| public class PointQueryNode extends QueryNodeImpl implements |
| FieldValuePairQueryNode<Number> { |
| |
| private NumberFormat numberFormat; |
| |
| private CharSequence field; |
| |
| private Number value; |
| |
| /** |
| * Creates a {@link PointQueryNode} object using the given field, |
| * {@link Number} value and {@link NumberFormat} used to convert the value to |
| * {@link String}. |
| * |
| * @param field the field associated with this query node |
| * @param value the value hold by this node |
| * @param numberFormat the {@link NumberFormat} used to convert the value to {@link String} |
| */ |
| public PointQueryNode(CharSequence field, Number value, |
| NumberFormat numberFormat) { |
| |
| super(); |
| |
| setNumberFormat(numberFormat); |
| setField(field); |
| setValue(value); |
| |
| } |
| |
| /** |
| * Returns the field associated with this node. |
| * |
| * @return the field associated with this node |
| */ |
| @Override |
| public CharSequence getField() { |
| return this.field; |
| } |
| |
| /** |
| * Sets the field associated with this node. |
| * |
| * @param fieldName the field associated with this node |
| */ |
| @Override |
| public void setField(CharSequence fieldName) { |
| this.field = fieldName; |
| } |
| |
| /** |
| * This method is used to get the value converted to {@link String} and |
| * escaped using the given {@link EscapeQuerySyntax}. |
| * |
| * @param escaper the {@link EscapeQuerySyntax} used to escape the value {@link String} |
| * |
| * @return the value converted to {@link String} and escaped |
| */ |
| protected CharSequence getTermEscaped(EscapeQuerySyntax escaper) { |
| return escaper.escape(numberFormat.format(this.value), |
| Locale.ROOT, Type.NORMAL); |
| } |
| |
| @Override |
| public CharSequence toQueryString(EscapeQuerySyntax escapeSyntaxParser) { |
| if (isDefaultField(this.field)) { |
| return getTermEscaped(escapeSyntaxParser); |
| } else { |
| return this.field + ":" + getTermEscaped(escapeSyntaxParser); |
| } |
| } |
| |
| /** |
| * Sets the {@link NumberFormat} used to convert the value to {@link String}. |
| * |
| * @param format the {@link NumberFormat} used to convert the value to {@link String} |
| */ |
| public void setNumberFormat(NumberFormat format) { |
| this.numberFormat = format; |
| } |
| |
| /** |
| * Returns the {@link NumberFormat} used to convert the value to {@link String}. |
| * |
| * @return the {@link NumberFormat} used to convert the value to {@link String} |
| */ |
| public NumberFormat getNumberFormat() { |
| return this.numberFormat; |
| } |
| |
| /** |
| * Returns the numeric value as {@link Number}. |
| * |
| * @return the numeric value |
| */ |
| @Override |
| public Number getValue() { |
| return value; |
| } |
| |
| /** |
| * Sets the numeric value. |
| * |
| * @param value the numeric value |
| */ |
| @Override |
| public void setValue(Number value) { |
| this.value = value; |
| } |
| |
| @Override |
| public String toString() { |
| return "<numeric field='" + this.field + "' number='" |
| + numberFormat.format(value) + "'/>"; |
| } |
| |
| } |