Class DependentKeyValueFactory<TKey>
- Assembly
- Microsoft.EntityFrameworkCore.dll
This is an internal API that supports the Entity Framework Core infrastructure and not subject to the same compatibility standards as public APIs. It may be changed or removed without notice in any release. You should only use it directly in your code with extreme caution and knowing that doing so can result in application failures when updating to a new Entity Framework Core release.
public abstract class DependentKeyValueFactory<TKey> where TKey : notnull
Type Parameters
TKey
- Inheritance
-
DependentKeyValueFactory<TKey>
- Derived
- Inherited Members
Constructors
DependentKeyValueFactory(IForeignKey, IPrincipalKeyValueFactory<TKey>)
This is an internal API that supports the Entity Framework Core infrastructure and not subject to the same compatibility standards as public APIs. It may be changed or removed without notice in any release. You should only use it directly in your code with extreme caution and knowing that doing so can result in application failures when updating to a new Entity Framework Core release.
protected DependentKeyValueFactory(IForeignKey foreignKey, IPrincipalKeyValueFactory<TKey> principalKeyValueFactory)
Parameters
foreignKey
IForeignKeyprincipalKeyValueFactory
IPrincipalKeyValueFactory<TKey>
Properties
EqualityComparer
This is an internal API that supports the Entity Framework Core infrastructure and not subject to the same compatibility standards as public APIs. It may be changed or removed without notice in any release. You should only use it directly in your code with extreme caution and knowing that doing so can result in application failures when updating to a new Entity Framework Core release.
public abstract IEqualityComparer<TKey> EqualityComparer { get; }
Property Value
- IEqualityComparer<TKey>
Methods
CreateDependentEquatableKey(IUpdateEntry, bool)
Creates an equatable key object from the foreign key values in the given entry.
public virtual object? CreateDependentEquatableKey(IUpdateEntry entry, bool fromOriginalValues)
Parameters
entry
IUpdateEntryThe entry tracking an entity instance.
fromOriginalValues
boolWhether the original or current values should be used.
Returns
- object
The key object.
CreatePrincipalEquatableKey(IUpdateEntry, bool)
This is an internal API that supports the Entity Framework Core infrastructure and not subject to the same compatibility standards as public APIs. It may be changed or removed without notice in any release. You should only use it directly in your code with extreme caution and knowing that doing so can result in application failures when updating to a new Entity Framework Core release.
public virtual object CreatePrincipalEquatableKey(IUpdateEntry entry, bool fromOriginalValues)
Parameters
entry
IUpdateEntryfromOriginalValues
bool
Returns
TryCreateFromCurrentValues(IUpdateEntry, out TKey?)
This is an internal API that supports the Entity Framework Core infrastructure and not subject to the same compatibility standards as public APIs. It may be changed or removed without notice in any release. You should only use it directly in your code with extreme caution and knowing that doing so can result in application failures when updating to a new Entity Framework Core release.
public abstract bool TryCreateFromCurrentValues(IUpdateEntry entry, out TKey? key)
Parameters
entry
IUpdateEntrykey
TKey
Returns
TryCreateFromOriginalValues(IUpdateEntry, out TKey?)
This is an internal API that supports the Entity Framework Core infrastructure and not subject to the same compatibility standards as public APIs. It may be changed or removed without notice in any release. You should only use it directly in your code with extreme caution and knowing that doing so can result in application failures when updating to a new Entity Framework Core release.
public abstract bool TryCreateFromOriginalValues(IUpdateEntry entry, out TKey? key)
Parameters
entry
IUpdateEntrykey
TKey