package net.sourceforge.squirrel_sql.client.session.mainpanel.overview.datascale;
import net.sourceforge.squirrel_sql.fw.datasetviewer.ColumnDisplayDefinition;
import java.sql.Timestamp;
import java.util.Comparator;
import java.util.Date;
import java.util.List;
public class TimestampIndexedColumn extends IndexedColumn
{
private LongRange _longRange = new LongRange();
public TimestampIndexedColumn(List<Object[]> rows, int colIx, ColumnDisplayDefinition colDef)
{
super(rows, colIx, colDef);
Comparator comparator = new Comparator<Object>()
{
@Override
public int compare(Object ix1, Object ix2)
{
if( ix1 instanceof NoIx && ix2 instanceof NoIx)
{
return compareUtilDate(((NoIx) ix1).get(), ((NoIx) ix2).get());
}
else if(ix1 instanceof NoIx)
{
return compareUtilDate(((NoIx) ix1).get(), getRow((Integer) ix2));
}
else if(ix2 instanceof NoIx)
{
return compareUtilDate(getRow((Integer) ix1), ((NoIx) ix2).get());
}
else
{
return compareUtilDate(getRow((Integer) ix1), getRow((Integer) ix2));
}
}
};
_longRange.beginInit();
sortIx(comparator);
_longRange.endInit();
}
private int compareUtilDate(Object o1, Object o2)
{
Long t1 = null;
if (null != o1)
{
t1 = ((Date)o1).getTime();
}
Long t2 = null;
if (null != o2)
{
t2 = ((Date)o2).getTime();
}
_longRange.init(t1);
_longRange.init(t2);
if(t1 == null && t2 != null)
{
return -1;
}
else if(t1 != null && t2 == null)
{
return 1;
}
else if(t1 == null && t2 == null)
{
return 0;
}
return t1.compareTo(t2);
}
@Override
public Calculator getCalculator()
{
return new Calculator()
{
@Override
public Object getMid(Object min, Object max)
{
return onGetMid(min, max);
}
};
}
private Object onGetMid(Object min, Object max)
{
Long longMin;
if(null == min)
{
longMin = _longRange.getMin() - 1;
}
else
{
longMin = ((Date)min).getTime();
}
Long longMax;
if(null == max)
{
longMax = _longRange.getMin() - 1;
}
else
{
longMax = ((Date)max).getTime();
}
return new Timestamp(longMin + ((longMax - longMin) / 2));
}
private static class LongRange
{
private long _max = System.currentTimeMillis();
private long _min = _max;
private boolean _initializing;
private boolean _isInit;
public void init(Long l)
{
if(false == _initializing)
{
return;
}
if(null == l)
{
return;
}
if(false == _isInit)
{
_min = l;
_max = l;
_isInit = true;
}
_min = Math.min(_min, l);
_max = Math.max(_max, l);
}
public long getMin()
{
return _min;
}
void beginInit()
{
_initializing = true;
}
void endInit()
{
_initializing = false;
}
}
}