org.elasticsearch.index.field.data.floats.MultiValueFloatFieldData Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of elasticsearch Show documentation
Show all versions of elasticsearch Show documentation
Elasticsearch subproject :server
/*
* 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.floats;
import org.elasticsearch.common.thread.ThreadLocals;
import org.elasticsearch.index.field.data.doubles.DoubleFieldData;
/**
* @author kimchy (shay.banon)
*/
public class MultiValueFloatFieldData extends FloatFieldData {
private static final int VALUE_CACHE_SIZE = 10;
private ThreadLocal> doublesValuesCache = new ThreadLocal>() {
@Override protected ThreadLocals.CleanableValue initialValue() {
double[][] value = new double[VALUE_CACHE_SIZE][];
for (int i = 0; i < value.length; i++) {
value[i] = new double[i];
}
return new ThreadLocals.CleanableValue(value);
}
};
private ThreadLocal> valuesCache = new ThreadLocal>() {
@Override protected ThreadLocals.CleanableValue initialValue() {
float[][] value = new float[VALUE_CACHE_SIZE][];
for (int i = 0; i < value.length; i++) {
value[i] = new float[i];
}
return new ThreadLocals.CleanableValue(value);
}
};
// order with value 0 indicates no value
private final int[][] order;
public MultiValueFloatFieldData(String fieldName, int[][] order, float[] values) {
super(fieldName, values);
this.order = order;
}
@Override public boolean multiValued() {
return true;
}
@Override public boolean hasValue(int docId) {
return order[docId] != null;
}
@Override public void forEachValueInDoc(int docId, StringValueInDocProc proc) {
int[] docOrders = order[docId];
if (docOrders == null) {
return;
}
for (int docOrder : docOrders) {
proc.onValue(docId, Float.toString(values[docOrder]));
}
}
@Override public void forEachValueInDoc(int docId, DoubleValueInDocProc proc) {
int[] docOrders = order[docId];
if (docOrders == null) {
return;
}
for (int docOrder : docOrders) {
proc.onValue(docId, values[docOrder]);
}
}
@Override public double[] doubleValues(int docId) {
int[] docOrders = order[docId];
if (docOrders == null) {
return DoubleFieldData.EMPTY_DOUBLE_ARRAY;
}
double[] doubles;
if (docOrders.length < VALUE_CACHE_SIZE) {
doubles = doublesValuesCache.get().get()[docOrders.length];
} else {
doubles = new double[docOrders.length];
}
for (int i = 0; i < docOrders.length; i++) {
doubles[i] = values[docOrders[i]];
}
return doubles;
}
@Override public float value(int docId) {
int[] docOrders = order[docId];
if (docOrders == null) {
return 0;
}
return values[docOrders[0]];
}
@Override public float[] values(int docId) {
int[] docOrders = order[docId];
if (docOrders == null) {
return EMPTY_FLOAT_ARRAY;
}
float[] floats;
if (docOrders.length < VALUE_CACHE_SIZE) {
floats = valuesCache.get().get()[docOrders.length];
} else {
floats = new float[docOrders.length];
}
for (int i = 0; i < docOrders.length; i++) {
floats[i] = values[docOrders[i]];
}
return floats;
}
}