public virtual void CreateKey(IActivationLog log)
{
if (this.Key != null) //protect against multiple processing
{
return;
}
// we initially assign temp names
this.Key = new EntityKeyInfo(HostEntity, KeyType, HostMember, this.Alias);
// add members
if (HostMember != null)
{
Key.KeyMembers.Add(new EntityKeyMemberInfo(HostMember, false));
}
else
{
// it will add errors if it fails
HostEntity.TryParseKeySpec(this.MemberNames, log, out Key.KeyMembers, ordered: true);
}
// construct name
Key.ExplicitDbKeyName = this.DbKeyName;
// PK
if (KeyType.IsSet(KeyType.PrimaryKey))
{
if (HostEntity.PrimaryKey == null)
{
HostEntity.PrimaryKey = Key;
Key.KeyMembers.Each(km => km.Member.Flags |= EntityMemberFlags.PrimaryKey);
}
else
{
log.Error("Entity {0} has more than one Primary Key specified.", GetHostRef());
}
}
}
private string GetKeyAttributeName(KeyType keyType)
{
if (keyType.IsSet(KeyType.PrimaryKey))
{
return("PrimaryKey");
}
if (keyType.IsSet(KeyType.Clustered))
{
return(keyType.IsSet(KeyType.Unique) ? "UniqueClusteredIndex" : "ClusteredIndex");
}
if (keyType.IsSet(KeyType.Unique))
{
return("Unique");
}
if (keyType.IsSet(KeyType.Index))
{
return("Index");
}
Util.Throw("Invalid key type for attribute: " + keyType);
return(null);
}
public static string GetKeyNamePrefix(KeyType keyType)
{
if (keyType.IsSet(KeyType.PrimaryKey))
{
return("PK_");
}
if (keyType.IsSet(KeyType.ForeignKey))
{
return("FK_");
}
var prefix = "IX";
if (keyType.IsSet(KeyType.Clustered))
{
prefix += "C";
}
else if (keyType.IsSet(KeyType.Unique))
{
prefix += "U";
}
prefix += "_";
return(prefix);
}
private string GetKeyAttributeName(KeyType keyType)
{
if (keyType.IsSet(KeyType.PrimaryKey))
return "PrimaryKey";
if (keyType.IsSet(KeyType.Clustered))
return keyType.IsSet(KeyType.Unique) ? "UniqueClusteredIndex" : "ClusteredIndex";
if (keyType.IsSet(KeyType.Unique))
return "Unique";
if (keyType.IsSet(KeyType.Index))
return "Index";
Util.Throw("Invalid key type for attribute: " + keyType);
return null;
}