C# (CSharp) Microsoft.EntityFrameworkCore.Metadata.Internal Model.GetOrAddKeyの例

コード例 #1

        private ForeignKey CreateSelfRefFK(bool useAltKey = false)
        {
            var entityType = new Model().AddEntityType(typeof(SelfRef));
            var pk         = entityType.GetOrSetPrimaryKey(entityType.AddProperty(SelfRef.IdProperty));
            var fkProp     = entityType.AddProperty(SelfRef.SelfRefIdProperty);

            var property     = entityType.AddProperty("AltId", typeof(int));
            var principalKey = useAltKey
                ? entityType.GetOrAddKey(property)
                : pk;

            var fk = entityType.AddForeignKey(new[] { fkProp }, principalKey, entityType);

            fk.IsUnique = true;
            fk.HasDependentToPrincipal(SelfRef.SelfRefPrincipalProperty);
            fk.HasPrincipalToDependent(SelfRef.SelfRefDependentProperty);
            return(fk);
        }

コード例 #2

ファイル: ForeignKeyTest.cs プロジェクト: RickyLin/EntityFramework

        private ForeignKey CreateSelfRefFK(bool useAltKey = false)
        {
            var entityType = new Model().AddEntityType(typeof(SelfRef));
            var pk = entityType.GetOrSetPrimaryKey(entityType.AddProperty(SelfRef.IdProperty));
            var fkProp = entityType.AddProperty(SelfRef.SelfRefIdProperty);

            var property = entityType.AddProperty("AltId", typeof(int));
            var principalKey = useAltKey
                ? entityType.GetOrAddKey(property)
                : pk;

            var fk = entityType.AddForeignKey(new[] { fkProp }, principalKey, entityType);
            fk.IsUnique = true;
            fk.HasDependentToPrincipal(SelfRef.SelfRefPrincipalProperty);
            fk.HasPrincipalToDependent(SelfRef.SelfRefDependentProperty);
            return fk;
        }