本文整理汇总了C#中EntityType.GetKeys方法的典型用法代码示例。如果您正苦于以下问题：C# EntityType.GetKeys方法的具体用法？C# EntityType.GetKeys怎么用？C# EntityType.GetKeys使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类EntityType的用法示例。
在下文中一共展示了EntityType.GetKeys方法的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: Keys_are_ordered_by_property_count_then_property_names
public void Keys_are_ordered_by_property_count_then_property_names()
{
var customerType = new EntityType(typeof(Customer), new Model());
var idProperty = customerType.GetOrAddProperty(Customer.IdProperty);
var nameProperty = customerType.GetOrAddProperty(Customer.NameProperty);
var otherNameProperty = customerType.GetOrAddProperty("OtherNameProperty", typeof(string), shadowProperty: true);
var k2 = customerType.GetOrAddKey(nameProperty);
var k4 = customerType.GetOrAddKey(new[] { idProperty, otherNameProperty });
var k3 = customerType.GetOrAddKey(new[] { idProperty, nameProperty });
var k1 = customerType.GetOrAddKey(idProperty);
Assert.True(new[] { k1, k2, k3, k4 }.SequenceEqual(customerType.GetKeys()));
}示例2: Can_add_and_get_a_key
public void Can_add_and_get_a_key()
{
var entityType = new EntityType(typeof(Customer), new Model());
var idProperty = entityType.GetOrAddProperty(Customer.IdProperty);
var nameProperty = entityType.GetOrAddProperty(Customer.NameProperty);
var key1 = entityType.AddKey(new[] { idProperty, nameProperty });
Assert.NotNull(key1);
Assert.Same(key1, entityType.GetOrAddKey(new[] { idProperty, nameProperty }));
Assert.Same(key1, entityType.GetKeys().Single());
var key2 = entityType.GetOrAddKey(idProperty);
Assert.NotNull(key2);
Assert.Same(key2, entityType.GetKey(idProperty));
Assert.Equal(2, entityType.GetKeys().Count());
Assert.Contains(key1, entityType.GetKeys());
Assert.Contains(key2, entityType.GetKeys());
}示例3: Can_remove_keys
public void Can_remove_keys()
{
var entityType = new EntityType(typeof(Customer), new Model());
var idProperty = entityType.GetOrAddProperty(Customer.IdProperty);
var nameProperty = entityType.GetOrAddProperty(Customer.NameProperty);
Assert.Equal(
Strings.KeyNotFound("{'" + idProperty.Name + "', '" + nameProperty.Name + "'}", typeof(Customer).FullName),
Assert.Throws<ModelItemNotFoundException>(() => entityType.GetKey(new[] { idProperty, nameProperty })).Message);
Assert.Null(entityType.RemoveKey(new Key(new[] { idProperty })));
var key1 = entityType.GetOrSetPrimaryKey(new[] { idProperty, nameProperty });
var key2 = entityType.GetOrAddKey(idProperty);
Assert.Equal(new[] { key2, key1 }, entityType.GetKeys().ToArray());
Assert.Same(key1, entityType.RemoveKey(key1));
Assert.Null(entityType.RemoveKey(key1));
Assert.Equal(
Strings.KeyNotFound("{'" + idProperty.Name + "', '" + nameProperty.Name + "'}", typeof(Customer).FullName),
Assert.Throws<ModelItemNotFoundException>(() => entityType.GetKey(new[] { idProperty, nameProperty })).Message);
Assert.Equal(new[] { key2 }, entityType.GetKeys().ToArray());
Assert.Same(key2, entityType.RemoveKey(new Key(new[] { idProperty })));
Assert.Empty(entityType.GetKeys());
}示例4: Can_get_set_reset_and_clear_primary_key
public void Can_get_set_reset_and_clear_primary_key()
{
var entityType = new EntityType(typeof(Customer), new Model());
var idProperty = entityType.GetOrAddProperty(Customer.IdProperty);
var nameProperty = entityType.GetOrAddProperty(Customer.NameProperty);
var key1 = entityType.GetOrSetPrimaryKey(new[] { idProperty, nameProperty });
Assert.NotNull(key1);
Assert.Same(key1, entityType.GetOrSetPrimaryKey(new[] { idProperty, nameProperty }));
Assert.Same(key1, entityType.GetPrimaryKey());
Assert.Same(key1, entityType.FindPrimaryKey());
Assert.Same(key1, entityType.GetKeys().Single());
var key2 = entityType.GetOrSetPrimaryKey(idProperty);
Assert.NotNull(key2);
Assert.NotEqual(key1, key2);
Assert.Same(key2, entityType.GetOrSetPrimaryKey(idProperty));
Assert.Same(key2, entityType.GetPrimaryKey());
Assert.Same(key2, entityType.FindPrimaryKey());
Assert.Equal(2, entityType.GetKeys().Count());
Assert.Same(key1, entityType.GetKey(key1.Properties));
Assert.Same(key2, entityType.GetKey(key2.Properties));
Assert.Null(entityType.GetOrSetPrimaryKey((Property)null));
Assert.Null(entityType.FindPrimaryKey());
Assert.Equal(2, entityType.GetKeys().Count());
Assert.Null(entityType.GetOrSetPrimaryKey(new Property[0]));
Assert.Null(entityType.FindPrimaryKey());
Assert.Equal(2, entityType.GetKeys().Count());
Assert.Equal(
Strings.EntityRequiresKey(typeof(Customer).FullName),
Assert.Throws<ModelItemNotFoundException>(() => entityType.GetPrimaryKey()).Message);
}