/*
* 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 SingleValueByteFieldData extends ByteFieldData {
private ThreadLocal<ThreadLocals.CleanableValue<double[]>> doublesValuesCache = new ThreadLocal<ThreadLocals.CleanableValue<double[]>>() {
@Override
protected ThreadLocals.CleanableValue<double[]> initialValue() {
return new ThreadLocals.CleanableValue<double[]>(new double[1]);
}
};
private ThreadLocal<ThreadLocals.CleanableValue<byte[]>> valuesCache = new ThreadLocal<ThreadLocals.CleanableValue<byte[]>>() {
@Override
protected ThreadLocals.CleanableValue<byte[]> initialValue() {
return new ThreadLocals.CleanableValue<byte[]>(new byte[1]);
}
};
// order with value 0 indicates no value
private final int[] ordinals;
public SingleValueByteFieldData(String fieldName, int[] ordinals, byte[] values) {
super(fieldName, values);
this.ordinals = ordinals;
}
@Override
protected long computeSizeInBytes() {
return super.computeSizeInBytes() +
RamUsage.NUM_BYTES_INT * ordinals.length + RamUsage.NUM_BYTES_ARRAY_HEADER;
}
@Override
public boolean multiValued() {
return false;
}
@Override
public boolean hasValue(int docId) {
return ordinals[docId] != 0;
}
@Override
public void forEachValueInDoc(int docId, StringValueInDocProc proc) {
int loc = ordinals[docId];
if (loc == 0) {
proc.onMissing(docId);
return;
}
proc.onValue(docId, Byte.toString(values[loc]));
}
@Override
public void forEachValueInDoc(int docId, DoubleValueInDocProc proc) {
int loc = ordinals[docId];
if (loc == 0) {
return;
}
proc.onValue(docId, values[loc]);
}
@Override
public void forEachValueInDoc(int docId, LongValueInDocProc proc) {
int loc = ordinals[docId];
if (loc == 0) {
return;
}
proc.onValue(docId, values[loc]);
}
@Override
public void forEachValueInDoc(int docId, MissingDoubleValueInDocProc proc) {
int loc = ordinals[docId];
if (loc == 0) {
proc.onMissing(docId);
return;
}
proc.onValue(docId, values[loc]);
}
@Override
public void forEachValueInDoc(int docId, MissingLongValueInDocProc proc) {
int loc = ordinals[docId];
if (loc == 0) {
proc.onMissing(docId);
return;
}
proc.onValue(docId, values[loc]);
}
@Override
public void forEachValueInDoc(int docId, ValueInDocProc proc) {
int loc = ordinals[docId];
if (loc == 0) {
proc.onMissing(docId);
return;
}
proc.onValue(docId, values[loc]);
}
@Override
public void forEachOrdinalInDoc(int docId, OrdinalInDocProc proc) {
proc.onOrdinal(docId, ordinals[docId]);
}
@Override
public byte value(int docId) {
return values[ordinals[docId]];
}
@Override
public double[] doubleValues(int docId) {
int loc = ordinals[docId];
if (loc == 0) {
return DoubleFieldData.EMPTY_DOUBLE_ARRAY;
}
double[] ret = doublesValuesCache.get().get();
ret[0] = values[loc];
return ret;
}
@Override
public byte[] values(int docId) {
int loc = ordinals[docId];
if (loc == 0) {
return EMPTY_BYTE_ARRAY;
}
byte[] ret = valuesCache.get().get();
ret[0] = values[loc];
return ret;
}
}