/// <summary>
/// offset added to index in column
/// </summary>
/// <remarks>mutual exclusive with Type()</remarks>
/// <param name="offset">offset</param>
public void Offset(int offset)
{
if (mapping.IsSpecified("Type"))
{
throw new NotSupportedException("Offset is mutual exclusive with Type()");
}
mapping.Set(x => x.Offset, Layer.UserSupplied, offset);
}
/// <summary>
/// Make this collection index
/// </summary>
/// <typeparam name="TIndex">Index type</typeparam>
/// <param name="indexColumn">Index column</param>
/// <param name="customIndexMapping">Index mapping</param>
public T AsIndexedCollection <TIndex>(string indexColumn, Action <IndexPart> customIndexMapping)
{
CreateIndexMapping(customIndexMapping);
indexMapping.Set(x => x.Type, Layer.Defaults, new TypeReference(typeof(TIndex)));
if (indexMapping.Columns.IsEmpty())
{
var columnMapping = new ColumnMapping();
columnMapping.Set(x => x.Name, Layer.Defaults, indexColumn);
indexMapping.AddColumn(Layer.Defaults, columnMapping);
}
return((T)this);
}