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This OSGi bundle wraps ${pkgArtifactId} ${pkgVersion} jar file.
/*
* 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.bytes;
import org.elasticsearch.common.RamUsage;
import org.elasticsearch.common.util.concurrent.ThreadLocals;
import org.elasticsearch.index.field.data.doubles.DoubleFieldData;
/**
*
*/
public class MultiValueByteFieldData extends ByteFieldData {
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() {
byte[][] value = new byte[VALUE_CACHE_SIZE][];
for (int i = 0; i < value.length; i++) {
value[i] = new byte[i];
}
return new ThreadLocals.CleanableValue(value);
}
};
// order with value 0 indicates no value
private final int[][] ordinals;
public MultiValueByteFieldData(String fieldName, int[][] ordinals, byte[] values) {
super(fieldName, values);
this.ordinals = ordinals;
}
@Override
protected long computeSizeInBytes() {
long size = super.computeSizeInBytes();
size += RamUsage.NUM_BYTES_ARRAY_HEADER; // for the top level array
for (int[] ordinal : ordinals) {
size += RamUsage.NUM_BYTES_INT * ordinal.length + RamUsage.NUM_BYTES_ARRAY_HEADER;
}
return size;
}
@Override
public boolean multiValued() {
return true;
}
@Override
public boolean hasValue(int docId) {
for (int[] ordinal : ordinals) {
if (ordinal[docId] != 0) {
return true;
}
}
return false;
}
@Override
public void forEachValueInDoc(int docId, StringValueInDocProc proc) {
for (int i = 0; i < ordinals.length; i++) {
int loc = ordinals[i][docId];
if (loc == 0) {
if (i == 0) {
proc.onMissing(docId);
}
break;
}
proc.onValue(docId, Byte.toString(values[loc]));
}
}
@Override
public void forEachValueInDoc(int docId, DoubleValueInDocProc proc) {
for (int[] ordinal : ordinals) {
int loc = ordinal[docId];
if (loc == 0) {
break;
}
proc.onValue(docId, values[loc]);
}
}
@Override
public void forEachValueInDoc(int docId, LongValueInDocProc proc) {
for (int[] ordinal : ordinals) {
int loc = ordinal[docId];
if (loc == 0) {
break;
}
proc.onValue(docId, values[loc]);
}
}
@Override
public void forEachValueInDoc(int docId, MissingDoubleValueInDocProc proc) {
for (int i = 0; i < ordinals.length; i++) {
int loc = ordinals[i][docId];
if (loc == 0) {
if (i == 0) {
proc.onMissing(docId);
}
break;
}
proc.onValue(docId, values[loc]);
}
}
@Override
public void forEachValueInDoc(int docId, MissingLongValueInDocProc proc) {
for (int i = 0; i < ordinals.length; i++) {
int loc = ordinals[i][docId];
if (loc == 0) {
if (i == 0) {
proc.onMissing(docId);
}
break;
}
proc.onValue(docId, values[loc]);
}
}
@Override
public void forEachValueInDoc(int docId, ValueInDocProc proc) {
for (int i = 0; i < ordinals.length; i++) {
int loc = ordinals[i][docId];
if (loc == 0) {
if (i == 0) {
proc.onMissing(docId);
}
break;
}
proc.onValue(docId, values[loc]);
}
}
@Override
public void forEachOrdinalInDoc(int docId, OrdinalInDocProc proc) {
for (int i = 0; i < ordinals.length; i++) {
int loc = ordinals[i][docId];
if (loc == 0) {
if (i == 0) {
proc.onOrdinal(docId, 0);
}
break;
}
proc.onOrdinal(docId, loc);
}
}
@Override
public double[] doubleValues(int docId) {
int length = 0;
for (int[] ordinal : ordinals) {
if (ordinal[docId] == 0) {
break;
}
length++;
}
if (length == 0) {
return DoubleFieldData.EMPTY_DOUBLE_ARRAY;
}
double[] doubles;
if (length < VALUE_CACHE_SIZE) {
doubles = doublesValuesCache.get().get()[length];
} else {
doubles = new double[length];
}
for (int i = 0; i < length; i++) {
doubles[i] = values[ordinals[i][docId]];
}
return doubles;
}
@Override
public byte value(int docId) {
for (int[] ordinal : ordinals) {
int loc = ordinal[docId];
if (loc != 0) {
return values[loc];
}
}
return 0;
}
@Override
public byte[] values(int docId) {
int length = 0;
for (int[] ordinal : ordinals) {
if (ordinal[docId] == 0) {
break;
}
length++;
}
if (length == 0) {
return EMPTY_BYTE_ARRAY;
}
byte[] bytes;
if (length < VALUE_CACHE_SIZE) {
bytes = valuesCache.get().get()[length];
} else {
bytes = new byte[length];
}
for (int i = 0; i < length; i++) {
bytes[i] = values[ordinals[i][docId]];
}
return bytes;
}
}