public bool TryCreateColumn(IColumnSelector selector, out IColumnConfig column)
{
column = Factories.Column.Create(this, selector);
if (!ColumnValidator.Validate(this.Config.Database, this, column))
{
return(false);
}
column = this.Columns.AddOrUpdate(column.Identifier, column);
this.Reset();
return(true);
}
public IColumnConfig CreateColumn(IColumnSelector selector)
{
var column = Factories.Column.Create(this, selector);
if (!ColumnValidator.Validate(this.Config.Database, this, column))
{
throw new InvalidOperationException(string.Format("Table has invalid configuration: {0}", column));
}
column = this.Columns.AddOrUpdate(column.Identifier, column);
this.Reset();
return(column);
}
public IEnumerable <IColumnConfig> GetColumns(IDatabase database, ITableConfig table, ITransactionSource transaction = null)
{
var properties = new EntityPropertyEnumerator(table.TableType);
var columns = new List <IColumnConfig>();
foreach (var property in properties)
{
if (!ColumnValidator.Validate(database, property))
{
continue;
}
var column = Factories.Column.Create(table, ColumnConfig.By(property));
if (!ColumnValidator.Validate(database, table, column, transaction))
{
continue;
}
columns.Add(column);
}
return(columns);
}
public static bool Validate(IDatabase database, bool strict, IEnumerable <IRelationConfig> relations, ITransactionSource transaction = null)
{
foreach (var relation in relations)
{
if (relation == null)
{
if (strict)
{
return(false);
}
else
{
continue;
}
}
if (string.IsNullOrEmpty(relation.Identifier))
{
return(false);
}
var columns = relation.Expression
.Flatten <IColumnBuilder>()
.ToArray();
if (strict && columns.Length < 2)
{
//We need at least a left and right column for the relation to be valid.
return(false);
}
foreach (var column in columns)
{
if (!ColumnValidator.Validate(database, column.Column.Table, column.Column, transaction))
{
return(false);
}
}
}
return(true);
}
