/// <summary> Replaces one registered entity with extended version. </summary>
/// <param name="replacedType">The entity type to be replaced.</param>
/// <param name="replacementEntityType">The new replacing entity type.</param>
/// <remarks><para>
/// This method provides a way to extend entities defined in independently built modules.
/// The other use is to integrate the independently developed modules, so that the tables in database
/// coming from different modules can actually reference each other through foreign keys.
/// If the replacement type is not registered with any module, it is placed in the module of the type being replace.
/// </para>
/// </remarks>
public void ReplaceEntity(Type replacedType, Type replacementEntityType)
{
CheckNotClosed();
Util.Check(replacedType.IsInterface, "Invalid type: {0}; expected Entity interface.", replacedType);
Util.Check(replacementEntityType.IsInterface, "Invalid type: {0}; expected Entity interface.",
replacementEntityType);
Util.Check(replacedType.IsAssignableFrom(replacementEntityType),
"Invalid entity replacement type ({0}), must be derived from type being replaced ({1})", replacementEntityType.Name, replacedType.Name);
var replInfo = new EntityReplacementInfo()
{
ReplacedType = replacedType, NewType = replacementEntityType
};
Replacements.Add(replInfo);
}
/// <summary> Replaces one registered entity with extended version. </summary>
/// <param name="replacedType">The entity type to be replaced.</param>
/// <param name="replacementEntityType">The new replacing entity type.</param>
/// <remarks><para>
/// This method provides a way to extend entities defined in independently built modules.
/// The other use is to integrate the independently developed modules, so that the tables in database
/// coming from different modules can actually reference each other through foreign keys.
/// If the replacement type is not registered with any module, it is placed in the module of the type being replace.
/// </para>
/// </remarks>
public void ReplaceEntity(Type replacedType, Type replacementEntityType)
{
Util.Check(replacedType.IsInterface, "Invalid type: {0}; expected Entity interface.", replacedType);
Util.Check(replacementEntityType.IsInterface, "Invalid type: {0}; expected Entity interface.", replacementEntityType);
//Unless the type being replaced is an empty stub, then check that new type is compatible with the old type
var oldTypeProps = replacedType.GetAllProperties();
if (oldTypeProps.Count > 0) //it is not an empty stub
{
Util.Check(replacedType.IsAssignableFrom(replacementEntityType),
"The replacing type ({0}) must be a subtype of the type being replaced ({1}). ", replacementEntityType, replacedType);
}
var replInfo = new EntityReplacementInfo()
{
ReplacedType = replacedType, NewType = replacementEntityType
};
Replacements.Add(replInfo);
}
