Class InheritanceMappingAttribute

Namespace

LinqToDB.Mapping

Assembly

linq2db.dll

Defines to which type linq2db should map record based on discriminator value. You can apply this attribute to a base class or insterface, implemented by all child classes. Don't forget to define discriminator value storage column using IsDiscriminator.

[AttributeUsage(AttributeTargets.Class|AttributeTargets.Interface, AllowMultiple = true)]
public class InheritanceMappingAttribute : MappingAttribute, _Attribute

Inheritance

object

Attribute

MappingAttribute

InheritanceMappingAttribute

Implements

_Attribute

Inherited Members

MappingAttribute.Configuration

MappingAttribute.GetHashCode()

MappingAttribute.Equals(object)

Extension Methods

Sql.IsDistinctFrom<T>(T, T)

Sql.IsNotDistinctFrom<T>(T, T)

SqlExtensions.In<T>(T, T, T)

SqlExtensions.In<T>(T, T, T, T)

SqlExtensions.In<T>(T, params T[])

SqlExtensions.In<T>(T, IEnumerable<T>)

SqlExtensions.In<T>(T, IQueryable<T>)

SqlExtensions.NotIn<T>(T, T, T)

SqlExtensions.NotIn<T>(T, T, T, T)

SqlExtensions.NotIn<T>(T, params T[])

SqlExtensions.NotIn<T>(T, IEnumerable<T>)

SqlExtensions.NotIn<T>(T, IQueryable<T>)

Remarks

You cannot configure inheritance mapping using this attribute for discriminator types, not supported by .NET attributes. See document for a list of supported types.

Properties

Code

Gets or sets discriminator value.

public object? Code { get; set; }

Property Value

object

IsDefault

Get or sets flag, that tells linq2db that current mapping should be used by default if suitable mapping type not found.

public bool IsDefault { get; set; }

Property Value

bool

Type

Gets or sets type, to which record with current discriminator value should be mapped.

public Type Type { get; set; }

Property Value

Type

Methods

GetObjectID()

Returns mapping attribute id, based on all attribute options.

public override string GetObjectID()

Returns

string