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;
import org.apache.log4j.Logger;
public class TermShortList extends TermNumberList<Short>
{
private static Logger log = Logger.getLogger(TermShortList.class);
private short[] _elements = null;
private short sanity = -1;
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];
}
}