org.elasticsearch.index.fielddata.fieldcomparator.DoubleValuesComparator Maven / Gradle / Ivy
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* this work for additional information regarding copyright
* ownership. Elasticsearch 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.elasticsearch.index.fielddata.fieldcomparator;
import org.elasticsearch.index.fielddata.IndexNumericFieldData;
import java.io.IOException;
/**
*/
public final class DoubleValuesComparator extends DoubleValuesComparatorBase {
private final double[] values;
public DoubleValuesComparator(IndexNumericFieldData indexFieldData, double missingValue, int numHits, SortMode sortMode) {
super(indexFieldData, missingValue, sortMode);
assert indexFieldData.getNumericType().requiredBits() <= 64;
this.values = new double[numHits];
}
@Override
public int compare(int slot1, int slot2) {
final double v1 = values[slot1];
final double v2 = values[slot2];
return compare(v1, v2);
}
@Override
public void setBottom(int slot) {
this.bottom = values[slot];
}
@Override
public void copy(int slot, int doc) throws IOException {
values[slot] = sortMode.getRelevantValue(readerValues, doc, missingValue);
}
@Override
public Double value(int slot) {
return Double.valueOf(values[slot]);
}
@Override
public void add(int slot, int doc) {
values[slot] += sortMode.getRelevantValue(readerValues, doc, missingValue);
}
@Override
public void divide(int slot, int divisor) {
values[slot] /= divisor;
}
@Override
public void missing(int slot) {
values[slot] = missingValue;
}
}