/// <summary>
/// Sets the primary key for this entity.
/// </summary>
/// <param name="properties"> The properties that make up the primary key. </param>
/// <returns> The newly created key. </returns>
internal Key SetPrimaryKey(IReadOnlyList <Property> properties)
{
Check.NotEmpty(properties, nameof(properties));
Check.HasNoNulls(properties, nameof(properties));
if (_baseType != null)
{
throw new InvalidOperationException(ResX.DerivedEntityKey(Name, _baseType.Name));
}
if (_primaryKey != null)
{
throw new InvalidOperationException(ResX.PrimaryKeyAlreadyExists);
}
Key key = GetOrAddKey(properties);
foreach (var property in key.Properties)
{
_properties.Remove(property.Name);
property.PrimaryKey = key;
}
_primaryKey = key;
foreach (var property in key.Properties)
{
_properties.Add(property.Name, property);
}
return(_primaryKey);
}
/// <summary>
/// Adds a new alternate key to this entity type.
/// </summary>
/// <param name="properties"> The properties that make up the alternate key. </param>
/// <returns> The newly created key. </returns>
internal Key AddKey(IReadOnlyList <Property> properties)
{
Check.NotEmpty(properties, nameof(properties));
Check.HasNoNulls(properties, nameof(properties));
if (_baseType != null)
{
throw new InvalidOperationException(ResX.DerivedEntityKey(Name, _baseType.Name));
}
foreach (var property in properties)
{
if (FindProperty(property.Name) != property)
{
throw new InvalidOperationException(ResX.KeyPropertiesWrongEntity(Property.Format(properties), Name));
}
if (property.ForeignKeys != null && property.ForeignKeys.Any(k => k.DeclaringEntity != this))
{
throw new InvalidOperationException(ResX.KeyPropertyInForeignKey(property.Name, Name));
}
if (property.IsNullable)
{
throw new InvalidOperationException(ResX.NullableKey(Name, property.Name));
}
}
var key = FindKey(properties);
if (key != null)
{
throw new InvalidOperationException(ResX.DuplicateKey(Property.Format(properties), Name, key.DeclaringEntity.Name));
}
key = new Key(properties);
_keys.Add(properties, key);
foreach (var property in properties)
{
var currentKeys = property.Keys;
if (currentKeys == null)
{
property.Keys = new Key[] { key };
}
else
{
var newKeys = currentKeys.ToList();
newKeys.Add(key);
property.Keys = newKeys;
}
}
return(Model.ConventionDispatcher.OnKeyAdded(key));
}
