} // ctor
internal void SetParentRelation(PpsDataTableRelationDefinition parentRelation)
{
if (this.parentRelation != null)
{
throw new InvalidOperationException("Only one parent relation per column is allowed.");
}
this.parentRelation = parentRelation;
} // proc SetParentRelation
} // ctor
/// <summary>Create a new column.</summary>
/// <param name="table">Table of the column</param>
/// <param name="columnName">Name of the column</param>
/// <param name="isPrimaryKey">Is this a primary key column.</param>
/// <param name="isIdentity">Is this a identity</param>
public PpsDataColumnDefinition(PpsDataTableDefinition table, string columnName, bool isPrimaryKey, bool isIdentity)
{
if (String.IsNullOrEmpty(columnName))
{
throw new ArgumentNullException();
}
this.table = table;
this.columnName = columnName;
this.parentRelation = null;
this.isIdentity = isIdentity;
this.isExtendedValue = new Lazy <bool>(() => DataType.GetTypeInfo().ImplementedInterfaces.Contains(typeof(IPpsDataRowExtendedValue)));
this.isReadOnly = new Lazy <bool>(() => IsExtended && !DataType.GetTypeInfo().ImplementedInterfaces.Contains(typeof(IPpsDataRowSetGenericValue)));
if (isPrimaryKey)
{
table.SetPrimaryKey(this);
}
} // ctor
/// <summary>Create PpsDataRelatedFilterDesktop for the ICollectionViewFactory.</summary> /// <param name="row"></param> /// <param name="relation"></param> /// <returns></returns> public override PpsDataFilter CreateRelationFilter(PpsDataRow row, PpsDataTableRelationDefinition relation) => new PpsDataRelatedFilterDesktop(row, relation);
/// <summary></summary>
/// <param name="parentRow"></param>
/// <param name="relation"></param>
public PpsDataRelatedFilterDesktop(PpsDataRow parentRow, PpsDataTableRelationDefinition relation)
: base(parentRow, relation)
{
} // ctor
