public T Next()
{
InitializeList();
this._readerPosition++;
if (this._readerPosition > this._keyList.Count - 1)
{
TryExtendEnd();
}
T ret = default(T);
while (ret == null)
{
CsvPimaryKey key = this._keyList[this._readerPosition];
IRestriction r = RestrictionFactory.CsvKeyRestriction(typeof(T), key);
ret = this._serializer.Connector.Load <T>(r);
if (ret == null)
{
_readerPosition++;
}
}
return(ret);
}
public int CountItems()
{
int position = -1;
foreach (CsvPimaryKey key in this._keyList)
{
IRestriction r = RestrictionFactory.CsvKeyRestriction(typeof(T), key);
T tmp = this._serializer.Connector.Load <T>(r);
if (tmp != null)
{
position++;
}
}
return(position + 1);
}
public T[] ToArray()
{
InitializeList();
TryExtendEnd();
List <T> tmpList = new List <T>();
foreach (CsvPimaryKey key in this._keyList)
{
IRestriction r = RestrictionFactory.CsvKeyRestriction(typeof(T), key);
T tmp = this._serializer.Connector.Load <T>(r);
if (tmp != null)
{
tmpList.Add(tmp);
}
}
return(tmpList.ToArray());
}
public T Prev()
{
InitializeList();
this._readerPosition--;
T ret = default(T);
while (ret == null)
{
CsvPimaryKey key = this._keyList[this._readerPosition];
IRestriction r = RestrictionFactory.CsvKeyRestriction(typeof(T), key);
ret = this._serializer.Connector.Load <T>(r);
if (ret == null)
{
_readerPosition--;
}
}
return(ret);
}
public int CurrentPosition()
{
int position = -1;
T ret = default(T);
try
{
CsvPimaryKey key1 = this._keyList[this._readerPosition];
IRestriction restrict = RestrictionFactory.CsvKeyRestriction(typeof(T), key1);
ret = this._serializer.Connector.Load <T>(restrict);
}
catch (ArgumentOutOfRangeException)
{
return(0);
}
foreach (CsvPimaryKey key in this._keyList)
{
IRestriction r = RestrictionFactory.CsvKeyRestriction(typeof(T), key);
T tmp = this._serializer.Connector.Load <T>(r);
if (tmp != null)
{
position++;
if (tmp.Equals(ret))
{
return(position + 1);
}
}
}
return(0);
}
