public DynamoDBDataReader(ServiceCursorDef cursorDef, RequestWrapper request, IDataParameterCollection parameters)
{
Query query = cursorDef.Query as Query;
selectList = query.SelectList;
mRequest = request;
mResponse = mRequest.Read();
}
public bool Read()
{
if (mCurrentPosition == ItemCount && mCurrentPosition > 0)
{
mResponse = mRequest.Read(mResponse.LastEvaluatedKey);
/*
*
* A query and scan operation returns a maximum 1 MB of data in a single operation.
* The result set contains the last_evaluated_key field. If more data is available for the operation,
* this key contains information about the last evaluated key. Otherwise, the key remains empty.
* */
}
mCurrentPosition++;
return(mCurrentPosition < ItemCount);
}