package org.apache.blur.analysis.type;
/**
* 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 java.util.Map;
import org.apache.blur.thrift.generated.Column;
import org.apache.hadoop.conf.Configuration;
import org.apache.lucene.document.Field;
import org.apache.lucene.document.FieldType;
import org.apache.lucene.document.FloatField;
import org.apache.lucene.search.NumericRangeQuery;
import org.apache.lucene.search.Query;
public class FloatFieldTypeDefinition extends NumericFieldTypeDefinition {
public static final String NAME = "float";
private FieldType _typeStored;
private FieldType _typeNotStored;
@Override
public String getName() {
return NAME;
}
@Override
public void configure(String fieldNameForThisInstance, Map<String, String> properties, Configuration configuration) {
String precisionStepStr = properties.get(NUMERIC_PRECISION_STEP);
if (precisionStepStr != null) {
_precisionStep = Integer.parseInt(precisionStepStr);
_typeStored = new FieldType(FloatField.TYPE_STORED);
_typeStored.setNumericPrecisionStep(_precisionStep);
_typeStored.freeze();
_typeNotStored = new FieldType(FloatField.TYPE_NOT_STORED);
_typeNotStored.setNumericPrecisionStep(_precisionStep);
_typeNotStored.freeze();
} else {
_typeStored = FloatField.TYPE_STORED;
_typeNotStored = FloatField.TYPE_NOT_STORED;
}
}
@Override
public Iterable<? extends Field> getFieldsForColumn(String family, Column column) {
String name = getName(family, column.getName());
FloatField field = new FloatField(name, Float.parseFloat(column.getValue()), _typeStored);
return makeIterable(field);
}
@Override
public Iterable<? extends Field> getFieldsForSubColumn(String family, Column column, String subName) {
String name = getName(family, column.getName(), subName);
return makeIterable(new FloatField(name, Float.parseFloat(column.getValue()), _typeNotStored));
}
@Override
public Query getNewRangeQuery(String field, String part1, String part2, boolean startInclusive, boolean endInclusive) {
float p1 = Float.parseFloat(part1);
float p2 = Float.parseFloat(part2);
return NumericRangeQuery.newFloatRange(field, _precisionStep, p1, p2, startInclusive, endInclusive);
}
}