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package org.apache.lucene.queryParser.standard.config;
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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import java.text.NumberFormat;
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import org.apache.lucene.document.NumericField;
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import org.apache.lucene.search.NumericRangeQuery;
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* This class holds the configuration used to parse numeric queries and create
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* {@link NumericRangeQuery}s.
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* @see NumericRangeQuery
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public class NumericConfig {
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private int precisionStep;
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private NumberFormat format;
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private NumericField.DataType type;
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* Constructs a {@link NumericConfig} object.
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* @param precisionStep
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* the precision used to index the numeric values
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* the {@link NumberFormat} used to parse a {@link String} to
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* the numeric type used to index the numeric values
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* @see NumericConfig#setPrecisionStep(int)
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* @see NumericConfig#setNumberFormat(NumberFormat)
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* @see #setType(org.apache.lucene.document.NumericField.DataType)
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public NumericConfig(int precisionStep, NumberFormat format,
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NumericField.DataType type) {
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setPrecisionStep(precisionStep);
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setNumberFormat(format);
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* Returns the precision used to index the numeric values
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* @return the precision used to index the numeric values
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* @see NumericRangeQuery#getPrecisionStep()
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public int getPrecisionStep() {
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* Sets the precision used to index the numeric values
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* @param precisionStep
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* the precision used to index the numeric values
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* @see NumericRangeQuery#getPrecisionStep()
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public void setPrecisionStep(int precisionStep) {
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this.precisionStep = precisionStep;
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* Returns the {@link NumberFormat} used to parse a {@link String} to
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* @return the {@link NumberFormat} used to parse a {@link String} to
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public NumberFormat getNumberFormat() {
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* Returns the numeric type used to index the numeric values
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* @return the numeric type used to index the numeric values
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public NumericField.DataType getType() {
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* Sets the numeric type used to index the numeric values
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* @param type the numeric type used to index the numeric values
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public void setType(NumericField.DataType type) {
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throw new IllegalArgumentException("type cannot be null!");
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* Sets the {@link NumberFormat} used to parse a {@link String} to
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* the {@link NumberFormat} used to parse a {@link String} to
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* {@link Number}, cannot be <code>null</code>
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public void setNumberFormat(NumberFormat format) {
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if (format == null) {
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throw new IllegalArgumentException("format cannot be null!");
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this.format = format;
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public boolean equals(Object obj) {
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if (obj == this) return true;
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if (obj instanceof NumericConfig) {
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NumericConfig other = (NumericConfig) obj;
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if (this.precisionStep == other.precisionStep
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&& this.type == other.type
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&& (this.format == other.format || (this.format.equals(other.format)))) {