Class ReferenceChangedEventData

Namespace

Microsoft.EntityFrameworkCore.Diagnostics

Assembly

Microsoft.EntityFrameworkCore.dll

A DiagnosticSource event payload class for events that indicate a changed property value.

public class ReferenceChangedEventData : NavigationEventData, INavigationBaseEventData

Inheritance

object

EventData

NavigationEventData

ReferenceChangedEventData

Implements

INavigationBaseEventData

Inherited Members

EventData.ToString()

EventData.EventId

EventData.LogLevel

EventData.EventIdCode

object.GetType()

object.MemberwiseClone()

object.Equals(object)

object.Equals(object, object)

object.ReferenceEquals(object, object)

object.GetHashCode()

Remarks

See Logging, events, and diagnostics for more information and examples.

Constructors

ReferenceChangedEventData(EventDefinitionBase, Func<EventDefinitionBase, EventData, string>, EntityEntry, INavigation, object?, object?)

Constructs the event payload.

public ReferenceChangedEventData(EventDefinitionBase eventDefinition, Func<EventDefinitionBase, EventData, string> messageGenerator, EntityEntry entityEntry, INavigation navigation, object? oldReferencedEntity, object? newReferencedEntity)

Parameters

eventDefinition EventDefinitionBase

The event definition.

messageGenerator Func<EventDefinitionBase, EventData, string>

A delegate that generates a log message for this event.

entityEntry EntityEntry

The entry for the entity instance on which the property value has changed.

navigation INavigation

The navigation property.

oldReferencedEntity object

The old referenced entity.

newReferencedEntity object

The new referenced entity.

Properties

EntityEntry

The entry for the entity instance on which the navigation property value has changed.

public virtual EntityEntry EntityEntry { get; }

Property Value

EntityEntry

Navigation

The navigation.

public virtual INavigation Navigation { get; }

Property Value

INavigation

NewReferencedEntity

The new referenced entity.

public virtual object? NewReferencedEntity { get; }

Property Value

object

OldReferencedEntity

The old referenced entity.

public virtual object? OldReferencedEntity { get; }

Property Value

object