public EntityTypeConfiguration <TEntityType> HasKey <TKey>(Expression <Func <TEntityType, TKey> > keyExpression)
{
Check.NotNull(keyExpression, "keyExpression");
_entityTypeConfiguration.Key(keyExpression.GetSimplePropertyAccessList().Select(p => p.Single()));
return(this);
}
public void Cloning_an_entity_configuration_clones_its_key_information()
{
var configuration = new EntityTypeConfiguration(typeof(object));
var mockPropertyInfo1 = new MockPropertyInfo(typeof(int), "P1");
configuration.Property(new PropertyPath(mockPropertyInfo1)).ColumnOrder = 0;
var mockPropertyInfo2 = new MockPropertyInfo(typeof(int), "P2");
configuration.Property(new PropertyPath(mockPropertyInfo2)).ColumnOrder = 1;
// This will set _isKeyConfigured to true
configuration.Key(
new List <PropertyInfo>
{
mockPropertyInfo1
});
var clone = configuration.Clone();
VerifyKeyProperty(clone, "P1", mockPropertyInfo1, mockPropertyInfo2);
// This should have no effect because _isKeyConfigured is set to true
clone.Key(mockPropertyInfo2);
VerifyKeyProperty(clone, "P1", mockPropertyInfo1, mockPropertyInfo2);
// This should change the key on the original, but not on the clone.
configuration.Key(
new List <PropertyInfo>
{
mockPropertyInfo2
});
VerifyKeyProperty(configuration, "P2", mockPropertyInfo1, mockPropertyInfo2);
VerifyKeyProperty(clone, "P1", mockPropertyInfo1, mockPropertyInfo2);
}
