package com.browseengine.bobo.facets.data;
import it.unimi.dsi.fastutil.shorts.ShortArrayList;
import java.text.DecimalFormat;
import java.util.Arrays;
import java.util.List;
public class TermShortList extends TermNumberList<Short> {
private short[] _elements = null;
private boolean withDummy = true;
public static final short VALUE_MISSING = Short.MIN_VALUE;
private static short parse(String s) {
if (s == null || s.length() == 0) {
return (short) 0;
} else {
return Short.parseShort(s);
}
}
public TermShortList() {
super();
}
public TermShortList(String formatString) {
super(formatString);
}
public TermShortList(int capacity, String formatString) {
super(capacity, formatString);
}
@Override
public boolean add(String o) {
if (_innerList.size() == 0 && o != null) withDummy = false; // the first value added is not null
short item = parse(o);
return ((ShortArrayList) _innerList).add(item);
}
@Override
public void clear() {
super.clear();
}
@Override
public String get(int index) {
DecimalFormat formatter = _formatter.get();
if (formatter == null) return String.valueOf(_elements[index]);
return formatter.format(_elements[index]);
}
public short getPrimitiveValue(int index) {
if (index < _elements.length) return _elements[index];
else return VALUE_MISSING;
}
@Override
protected List<?> buildPrimitiveList(int capacity) {
_type = Short.class;
return capacity > 0 ? new ShortArrayList(capacity) : new ShortArrayList();
}
@Override
public int indexOf(Object o) {
if (withDummy) {
if (o == null) return -1;
short val;
if (o instanceof String) val = parse((String) o);
else val = (Short) o;
return Arrays.binarySearch(_elements, 1, _elements.length, val);
} else {
short val;
if (o instanceof String) val = parse((String) o);
else val = (Short) o;
return Arrays.binarySearch(_elements, val);
}
}
public int indexOf(Short val) {
if (withDummy) {
if (val == null) return -1;
return Arrays.binarySearch(_elements, 1, _elements.length, val.shortValue());
} else {
return Arrays.binarySearch(_elements, val.shortValue());
}
}
public int indexOf(short val) {
if (withDummy) return Arrays.binarySearch(_elements, 1, _elements.length, val);
else return Arrays.binarySearch(_elements, val);
}
@Override
public int indexOfWithType(Short val) {
if (withDummy) {
if (val == null) return -1;
return Arrays.binarySearch(_elements, 1, _elements.length, val.shortValue());
} else {
return Arrays.binarySearch(_elements, val.shortValue());
}
}
public int indexOfWithType(short val) {
if (withDummy) {
return Arrays.binarySearch(_elements, 1, _elements.length, val);
} else {
return Arrays.binarySearch(_elements, val);
}
}
@Override
public void seal() {
((ShortArrayList) _innerList).trim();
_elements = ((ShortArrayList) _innerList).elements();
int negativeIndexCheck = withDummy ? 1 : 0;
// reverse negative elements, because string order and numeric orders are completely opposite
if (_elements.length > negativeIndexCheck && _elements[negativeIndexCheck] < 0) {
int endPosition = indexOfWithType((short) 0);
if (endPosition < 0) {
endPosition = -1 * endPosition - 1;
}
short tmp;
for (int i = 0; i < (endPosition - negativeIndexCheck) / 2; i++) {
tmp = _elements[i + negativeIndexCheck];
_elements[i + negativeIndexCheck] = _elements[endPosition - i - 1];
_elements[endPosition - i - 1] = tmp;
}
}
}
@Override
protected Object parseString(String o) {
return parse(o);
}
public boolean contains(short val) {
if (withDummy) return Arrays.binarySearch(_elements, 1, _elements.length, val) >= 0;
else return Arrays.binarySearch(_elements, val) >= 0;
}
@Override
public boolean containsWithType(Short val) {
if (withDummy) {
if (val == null) return false;
return Arrays.binarySearch(_elements, 1, _elements.length, val.shortValue()) >= 0;
} else {
return Arrays.binarySearch(_elements, val.shortValue()) >= 0;
}
}
public boolean containsWithType(short val) {
if (withDummy) return Arrays.binarySearch(_elements, 1, _elements.length, val) >= 0;
else return Arrays.binarySearch(_elements, val) >= 0;
}
public short[] getElements() {
return _elements;
}
@Override
public double getDoubleValue(int index) {
return _elements[index];
}
}