public LimitSegment(int startIndex, int stopIndex, IPaginationValueSegment offset, IPaginationValueSegment rowCount)
{
_startIndex = startIndex;
_stopIndex = stopIndex;
_offset = offset;
_rowCount = rowCount;
}
public PaginationContext(IPaginationValueSegment offsetSegment, IPaginationValueSegment rowCountSegment, ParameterContext parameterContext)
{
_hasPagination = null != offsetSegment || null != rowCountSegment;
this._offsetSegment = offsetSegment;
this._rowCountSegment = rowCountSegment;
_actualOffset = null == offsetSegment ? 0 : GetValue(offsetSegment, parameterContext);
_actualRowCount = null == rowCountSegment ? (long?)null : GetValue(rowCountSegment, parameterContext);
}
private long GetValue(IPaginationValueSegment paginationValueSegment, ParameterContext parameterContext)
{
if (paginationValueSegment is IParameterMarkerPaginationValueSegment parameterMarkerPaginationValueSegment)
{
if (parameterContext.TryGetParameterValue(parameterMarkerPaginationValueSegment.GetParameterName(), out var parameterValue))
{
return(parameterValue is long l ? l : (int)parameterValue);
}
else
{
throw new ShardingException(
$"{nameof(IParameterMarkerPaginationValueSegment)} cant get value that parameter name:[{parameterMarkerPaginationValueSegment.GetParameterName()}] ");
}
}
else
{
return(((INumberLiteralPaginationValueSegment)paginationValueSegment).GetValue());
}
}
