package com.browseengine.bobo.facets.data;
import it.unimi.dsi.fastutil.longs.LongArrayList;
import java.text.DecimalFormat;
import java.util.Arrays;
import java.util.List;
import org.apache.log4j.Logger;
public class TermLongList extends TermNumberList<Long>
{
private static Logger log = Logger.getLogger(TermLongList.class);
protected long[] _elements = null;
private long sanity = -1;
private boolean withDummy = true;
public static final long VALUE_MISSING = Long.MIN_VALUE;
protected long parse(String s)
{
if (s == null || s.length() == 0)
{
return 0;
} else
{
return Long.parseLong(s);
}
}
public TermLongList()
{
super();
}
public TermLongList(int capacity, String formatString)
{
super(capacity, formatString);
}
public TermLongList(String formatString)
{
super(formatString);
}
@Override
public boolean add(String o)
{
if (_innerList.size() == 0 && o!=null) withDummy = false; // the first value added is not null
long item = parse(o);
return ((LongArrayList) _innerList).add(item);
}
@Override
protected List<?> buildPrimitiveList(int capacity)
{
_type = Long.class;
return capacity > 0 ? new LongArrayList(capacity) : new LongArrayList();
}
@Override
public void clear()
{
super.clear();
}
@Override
public String get(int index)
{
DecimalFormat formatter = _formatter.get();
long val = _elements[index];
if (withDummy && index == 0) {
val = 0L;
}
if (formatter == null)
return String.valueOf(val);
return formatter.format(val);
}
public long getPrimitiveValue(int index)
{
if (index < _elements.length)
return _elements[index];
else
return VALUE_MISSING;
}
@Override
public int indexOf(Object o)
{
if (withDummy)
{
if (o==null) return -1;
long val;
if (o instanceof String)
val = parse((String) o);
else
val = (Long)o;
return Arrays.binarySearch(_elements, 1, _elements.length, val);
} else
{
long val;
if (o instanceof String)
val = parse((String) o);
else
val = (Long)o;
return Arrays.binarySearch(_elements, val);
}
}
public int indexOf(Long value)
{
if (withDummy)
{
if (value==null) return -1;
return Arrays.binarySearch(_elements, 1, _elements.length, value.longValue());
} else
{
return Arrays.binarySearch(_elements, value.longValue());
}
}
public int indexOf(long val)
{
if (withDummy)
return Arrays.binarySearch(_elements, 1, _elements.length, val);
else
return Arrays.binarySearch(_elements, val);
}
@Override
public int indexOfWithType(Long val)
{
if (withDummy)
{
if (val == null) return -1;
return Arrays.binarySearch(_elements, 1, _elements.length, val.longValue());
} else
{
return Arrays.binarySearch(_elements, val.longValue());
}
}
public int indexOfWithType(long val)
{
if (withDummy)
{
return Arrays.binarySearch(_elements, 1, _elements.length, val);
} else
{
return Arrays.binarySearch(_elements, val);
}
}
@Override
public void seal()
{
((LongArrayList) _innerList).trim();
_elements = ((LongArrayList) _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(0L);
if (endPosition < 0) {
endPosition = -1 *endPosition - 1;
}
long 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(long val)
{
if (withDummy)
return Arrays.binarySearch(_elements,1, _elements.length, val) >= 0;
else
return Arrays.binarySearch(_elements, val) >= 0;
}
@Override
public boolean containsWithType(Long val)
{
if (withDummy)
{
if (val == null) return false;
return Arrays.binarySearch(_elements,1, _elements.length, val.longValue()) >= 0;
} else
{
return Arrays.binarySearch(_elements, val.longValue()) >= 0;
}
}
public boolean containsWithType(long val)
{
if (withDummy)
return Arrays.binarySearch(_elements,1, _elements.length, val) >= 0;
else
return Arrays.binarySearch(_elements, val) >= 0;
}
public long[] getElements() {
return _elements;
}
@Override
public double getDoubleValue(int index) {
return _elements[index];
}
}