public NavigationPropertyBindingConfiguration HasManyBinding <TTargetType, TDerivedEntityType>(
Expression <Func <TDerivedEntityType, IEnumerable <TTargetType> > > navigationExpression, string entitySetName)
where TTargetType : class
where TDerivedEntityType : class, TEntityType
{
if (navigationExpression == null)
{
throw Error.ArgumentNull("navigationExpression");
}
if (String.IsNullOrEmpty(entitySetName))
{
throw Error.ArgumentNullOrEmpty("entitySetName");
}
EntityTypeConfiguration <TDerivedEntityType> derivedEntityType =
_modelBuilder.EntityType <TDerivedEntityType>().DerivesFrom <TEntityType>();
NavigationPropertyConfiguration navigation = derivedEntityType.HasMany(navigationExpression);
IList <object> bindingPath = new List <object>
{
typeof(TDerivedEntityType),
navigation.PropertyInfo
};
return(this.Configuration.AddBinding(navigation,
_modelBuilder.EntitySet <TTargetType>(entitySetName)._configuration, bindingPath));
}
public NavigationPropertyBindingConfiguration HasManyBinding <TTargetType, TDerivedEntityType>(
Expression <Func <TDerivedEntityType, IEnumerable <TTargetType> > > navigationExpression,
NavigationSourceConfiguration <TTargetType> targetEntitySet)
where TTargetType : class
where TDerivedEntityType : class, TEntityType
{
if (navigationExpression == null)
{
throw Error.ArgumentNull("navigationExpression");
}
if (targetEntitySet == null)
{
throw Error.ArgumentNull("targetEntitySet");
}
EntityTypeConfiguration <TDerivedEntityType> derivedEntityType =
_modelBuilder.EntityType <TDerivedEntityType>().DerivesFrom <TEntityType>();
return(this.Configuration.AddBinding(derivedEntityType.HasMany(navigationExpression), targetEntitySet.Configuration));
}
