public bool MoveNext()
{
///if in duplicate mode.
if (inDuplicateMode)
{
Int64 nextdup = duplicatereader.ReadNext();
if (nextdup > 0)
{
this.currentValue = nextdup;
return(true);
}
else
{
// end of duplicate.
this.inDuplicateMode = false;
this.duplicatereader = null;
// cotinue with the getnextpointer;
}
}
NodePointer pointer = getnextpointer();
if (pointer == null)
{
return(false);
}
/// else
///
if (pointer.Indicator == EnumValues.TypeIndicator.block)
{
this.currentValue = pointer.PositionPointer;
return(true);
}
else if (pointer.Indicator == EnumValues.TypeIndicator.duplicate)
{
duplicatereader = this.treefile.duplicate.getReader(pointer.PositionPointer);
Int64 nextdup = duplicatereader.ReadNext();
if (nextdup > 0)
{
this.currentValue = nextdup;
this.inDuplicateMode = true;
return(true);
}
else
{
// there is no item in the duplicate, should not be possible, just to make sure.
this.duplicatereader = null;
this.inDuplicateMode = false;
// go to the next record again.
return(MoveNext());
}
}
else
{
/// should not be possible.
return(false);
}
}
