private void Initialize()
{
ActiveTableAttribute attribute = Attribute.GetCustomAttribute(dataRecordType, typeof(ActiveTableAttribute)) as ActiveTableAttribute;
if (attribute == null)
{
Datasource = string.Empty;
Owner = "dbo";
Name = dataRecordType.Name;
IsReadOnly = false;
return;
}
Datasource = string.Empty;
Owner = attribute.Owner;
Name = attribute.Name;
IsReadOnly = attribute.ReadOnly;
Columns = new QueryableColumns();
foreach (QueryColumn column in TableColumnData.CreateColumns(this, dataRecordType))
{
Columns.Add(column);
}
PrimaryKey = new PrimaryKeys(this);
IdentityColumn = PrimaryKey.GetIdentityColumn();
DeletedColumn = attribute.DeletedColumn == null ? null : Columns.FindColumn(attribute.DeletedColumn);
CreatedOnColumn = attribute.CreatedOnColumn == null ? null : Columns.FindColumn(attribute.CreatedOnColumn);
ModifiedOnColumn = attribute.ModifiedOnColumn == null ? null : Columns.FindColumn(attribute.ModifiedOnColumn);
CreatedByColumn = attribute.CreatedByColumn == null ? null : Columns.FindColumn(attribute.CreatedByColumn);
ModifiedByColumn = attribute.ModifiedByColumn == null ? null : Columns.FindColumn(attribute.ModifiedByColumn);
}
public void FromExternalBaseClassTypeOf()
{
// Using typeof() on a base class does not retrieve the metadata for a derived class.
// typeof() only works on the actual decorated class. The GetType() instance method must be used
// in all other instances as it is the only way the CLR knows the class hierarchy.
ActiveTableAttribute attribute = (ActiveTableAttribute)Attribute.GetCustomAttribute(typeof(BaseClass), typeof(ActiveTableAttribute));
Assert.IsNull(attribute);
}
public void FromExternalDecoratedClassTypeOf()
{
ActiveTableAttribute attribute = (ActiveTableAttribute)Attribute.GetCustomAttribute(typeof(Derived), typeof(ActiveTableAttribute));
Assert.IsNotNull(attribute);
Assert.AreEqual("Sales", attribute.Owner);
Assert.AreEqual("Customer", attribute.Name);
Assert.AreEqual("CustomerID", attribute.KeyColumn);
Assert.AreEqual("ModifiedDate", attribute.ModifiedOnColumn);
}
public void FromExternalBaseClassGetType()
{
BaseClass baseClass = new Derived();
ActiveTableAttribute attribute = (ActiveTableAttribute)Attribute.GetCustomAttribute(baseClass.GetType(), typeof(ActiveTableAttribute));
Assert.IsNotNull(attribute);
Assert.AreEqual("Sales", attribute.Owner);
Assert.AreEqual("Customer", attribute.Name);
Assert.AreEqual("CustomerID", attribute.KeyColumn);
Assert.AreEqual("ModifiedDate", attribute.ModifiedOnColumn);
}
public void FromInternalDerivedClassBaseReference()
{
// This works because we are working on an instance that the CLR knows the class hierarchy of.
BaseClass baseClass = new Derived();
ActiveTableAttribute attribute = baseClass.GetAttribute();
Assert.IsNotNull(attribute);
Assert.AreEqual("Sales", attribute.Owner);
Assert.AreEqual("Customer", attribute.Name);
Assert.AreEqual("CustomerID", attribute.KeyColumn);
Assert.AreEqual("ModifiedDate", attribute.ModifiedOnColumn);
}
public ActiveTableAttribute GetAttribute()
{
ActiveTableAttribute attribute = (ActiveTableAttribute)Attribute.GetCustomAttribute(GetType(), typeof(ActiveTableAttribute));
return(attribute);
}