/// <summary>
/// Read from data
/// </summary>
/// <param name="table"></param>
public void Load(DataTable table)
{
Expect.IsNotNull(table, nameof(table));
_columns.Clear();
for (int i = 0; i < table.Rows.Count; i++)
{
var row = table.Rows[i];
var column = new SchemaMappingColumn();
column.Load(row);
AddColumn(column);
}
}
/// <summary>
/// Get field mapper if mapping exist, or map to generic property if not mapped
/// </summary>
/// <param name="column"></param>
/// <returns></returns>
internal IFieldReader <T> GetFieldReader(SchemaMappingColumn column)
{
Expect.IsNotNull(column, nameof(column));
var fieldMapper = FieldMappers.FirstOrDefault(x => x.Match(column));
if (fieldMapper != null)
{
return(fieldMapper);
}
else
{
return(new GenericFieldReader <T>(column.ColumnName, column.ClrType));
}
}
/// <inheritdoc />
public bool Match(SchemaMappingColumn column)
{
if (!FieldName.EqualsNoCase(column.ColumnName))
{
return(false);
}
var columnType = column.ClrType;
if (PropertyType.IsNullableType() && columnType.IsNullableType())
{
if (MatchType(PropertyType.GetNullableBaseType(), columnType.GetNullableBaseType()))
{
return(true);
}
}
return(MatchType(PropertyType, columnType));
}
/// <summary>
/// Add column
/// </summary>
/// <param name="column"></param>
public void AddColumn(SchemaMappingColumn column)
{
Expect.IsNotNull(column, nameof(column));
_columns.Add(column);
}
/// <inheritdoc />
public bool Match(SchemaMappingColumn column)
{
return(true);
}