org.elasticsearch.index.field.data.shorts.ShortFieldDataComparator Maven / Gradle / Ivy
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/*
* Licensed to Elastic Search and Shay Banon under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. Elastic Search 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.field.data.shorts;
import org.elasticsearch.index.cache.field.data.FieldDataCache;
import org.elasticsearch.index.field.data.FieldDataType;
import org.elasticsearch.index.field.data.support.NumericFieldDataComparator;
/**
* @author kimchy (shay.banon)
*/
// LUCENE MONITOR: Monitor against FieldComparator.Short
public class ShortFieldDataComparator extends NumericFieldDataComparator {
private final short[] values;
private short bottom;
public ShortFieldDataComparator(int numHits, String fieldName, FieldDataCache fieldDataCache) {
super(fieldName, fieldDataCache);
values = new short[numHits];
}
@Override public FieldDataType fieldDataType() {
return FieldDataType.DefaultTypes.SHORT;
}
@Override public int compare(int slot1, int slot2) {
return values[slot1] - values[slot2];
}
@Override public int compareBottom(int doc) {
return bottom - currentFieldData.shortValue(doc);
}
@Override public void copy(int slot, int doc) {
values[slot] = currentFieldData.shortValue(doc);
}
@Override public void setBottom(final int bottom) {
this.bottom = values[bottom];
}
@Override public Comparable value(int slot) {
return Short.valueOf(values[slot]);
}
}