private EntityEntry SetEntityState(object entity, EntityState entityState, GraphBehavior behavior)
{
var entry = EntryWithoutDetectChanges(entity);
SetEntityState(entry.GetInfrastructure(), entityState, behavior);
return(entry);
}
private static GraphBehavior IsDefined(GraphBehavior behavior)
{
if (behavior != GraphBehavior.IncludeDependents &&
behavior != GraphBehavior.SingleObject)
{
throw new ArgumentException(CoreStrings.InvalidEnumValue(nameof(behavior), typeof(GraphBehavior)));
}
return(behavior);
}
private EntityEntry <TEntity> SetEntityState <TEntity>(
TEntity entity,
EntityState entityState,
GraphBehavior behavior) where TEntity : class
{
var entry = EntryWithoutDetectChanges(entity);
SetEntityState(entry.GetInfrastructure(), entityState, behavior);
return(entry);
}
public override void UpdateRange(IEnumerable <TEntity> entities, GraphBehavior behavior = GraphBehavior.IncludeDependents) => _context.UpdateRange(Check.NotNull(entities, nameof(entities)), behavior);
public override EntityEntry <TEntity> Update(TEntity entity, GraphBehavior behavior = GraphBehavior.IncludeDependents) => _context.Update(Check.NotNull(entity, nameof(entity)), behavior);
/// <summary>
/// <para>
/// Begins tracking the given entities in the <see cref="EntityState.Modified" /> state such that they will
/// be updated in the database when <see cref="SaveChanges()" /> is called.
/// </para>
/// <para>
/// All properties of the entities will be marked as modified. To mark only some properties as modified, use
/// <see cref="Attach(object, GraphBehavior)" /> to begin tracking each entity in the <see cref="EntityState.Unchanged" />
/// state and then use the returned <see cref="EntityEntry" /> to mark the desired properties as modified.
/// </para>
/// </summary>
/// <param name="entities"> The entities to update. </param>
/// <param name="behavior">
/// Determines whether the context will bring in only the given entities or also other related entities.
/// </param>
public virtual void UpdateRange(
[NotNull] IEnumerable <object> entities,
GraphBehavior behavior = GraphBehavior.IncludeDependents)
=> SetEntityStates(Check.NotNull(entities, nameof(entities)), EntityState.Modified, Check.IsDefined(behavior, nameof(behavior)));
private void SetEntityStates(IEnumerable <object> entities, EntityState entityState, GraphBehavior behavior)
{
var stateManager = GetStateManager();
foreach (var entity in entities)
{
SetEntityState(stateManager.GetOrCreateEntry(entity), entityState, behavior);
}
}
/// <summary>
/// <para>
/// Begins tracking the given entity in the <see cref="EntityState.Modified" /> state such that it will
/// be updated in the database when <see cref="SaveChanges()" /> is called.
/// </para>
/// <para>
/// All properties of the entity will be marked as modified. To mark only some properties as modified, use
/// <see cref="Attach(object, GraphBehavior)" /> to begin tracking the entity in the <see cref="EntityState.Unchanged" />
/// state and then use the returned <see cref="EntityEntry" /> to mark the desired properties as modified.
/// </para>
/// </summary>
/// <param name="entity"> The entity to update. </param>
/// <param name="behavior">
/// Determines whether the context will bring in only the given entity or also other related entities.
/// </param>
/// <returns>
/// The <see cref="EntityEntry" /> for the entity. The entry provides
/// access to change tracking information and operations for the entity.
/// </returns>
public virtual EntityEntry Update(
[NotNull] object entity,
GraphBehavior behavior = GraphBehavior.IncludeDependents)
=> SetEntityState(Check.NotNull(entity, nameof(entity)), EntityState.Modified, Check.IsDefined(behavior, nameof(behavior)));
/// <summary>
/// <para>
/// Begins tracking the given entity in the <see cref="EntityState.Modified" /> state such that it will
/// be updated in the database when <see cref="SaveChanges()" /> is called.
/// </para>
/// <para>
/// All properties of the entity will be marked as modified. To mark only some properties as modified, use
/// <see cref="Attach{TEntity}(TEntity, GraphBehavior)" /> to begin tracking the entity in the
/// <see cref="EntityState.Unchanged" /> state and then use the returned <see cref="EntityEntry{TEntity}" />
/// to mark the desired properties as modified.
/// </para>
/// </summary>
/// <typeparam name="TEntity"> The type of the entity. </typeparam>
/// <param name="entity"> The entity to update. </param>
/// <param name="behavior">
/// Determines whether the context will bring in only the given entity or also other related entities.
/// </param>
/// <returns>
/// The <see cref="EntityEntry{TEntity}" /> for the entity. The entry provides
/// access to change tracking information and operations for the entity.
/// </returns>
public virtual EntityEntry <TEntity> Update <TEntity>(
[NotNull] TEntity entity,
GraphBehavior behavior = GraphBehavior.IncludeDependents) where TEntity : class
=> SetEntityState(Check.NotNull(entity, nameof(entity)), EntityState.Modified, Check.IsDefined(behavior, nameof(behavior)));
private void SetEntityState(InternalEntityEntry entry, EntityState entityState, GraphBehavior behavior)
{
if (behavior == GraphBehavior.IncludeDependents &&
entry.EntityState == EntityState.Detached)
{
ServiceProvider.GetRequiredService <IEntityGraphAttacher>().AttachGraph(entry, entityState);
}
else
{
entry.SetEntityState(entityState, acceptChanges: true);
}
}
/// <summary>
/// Begins tracking the given entity in the <see cref="EntityState.Unchanged" /> state such that no
/// operation will be performed when <see cref="DbContext.SaveChanges()" /> is called.
/// </summary>
/// <param name="entity"> The entity to attach. </param>
/// <param name="behavior">
/// Determines whether the context will bring in only the given entity or also other related entities.
/// </param>
/// <returns>
/// The <see cref="EntityEntry" /> for the entity. The entry provides
/// access to change tracking information and operations for the entity.
/// </returns>
public virtual EntityEntry <TEntity> Attach(
[NotNull] TEntity entity,
GraphBehavior behavior = GraphBehavior.IncludeDependents)
{
throw new NotImplementedException();
}
/// <summary>
/// <para>
/// Begins tracking the given entities in the <see cref="EntityState.Modified" /> state such that they will
/// be updated in the database when <see cref="DbContext.SaveChanges()" /> is called.
/// </para>
/// <para>
/// All properties of the entities will be marked as modified. To mark only some properties as modified, use
/// <see cref="Attach(TEntity, GraphBehavior)" /> to begin tracking each entity in the <see cref="EntityState.Unchanged" />
/// state and then use the returned <see cref="EntityEntry" /> to mark the desired properties as modified.
/// </para>
/// </summary>
/// <param name="entities"> The entities to update. </param>
/// <param name="behavior">
/// Determines whether the context will bring in only the given entities or also other related entities.
/// </param>
public virtual void UpdateRange(
[NotNull] IEnumerable <TEntity> entities,
GraphBehavior behavior = GraphBehavior.IncludeDependents)
{
throw new NotImplementedException();
}
/// <summary>
/// Begins tracking the given entities in the <see cref="EntityState.Unchanged" /> state such that no
/// operation will be performed when <see cref="SaveChanges()" /> is called.
/// </summary>
/// <param name="entities"> The entities to attach. </param>
/// <param name="behavior">
/// Determines whether the context will bring in only the given entities or also other related entities.
/// </param>
public virtual void AttachRange(
[NotNull] IEnumerable <object> entities,
GraphBehavior behavior = GraphBehavior.IncludeDependents)
=> SetEntityStates(Check.NotNull(entities, nameof(entities)), EntityState.Unchanged, IsDefined(behavior));
/// <summary>
/// Begins tracking the given entity in the <see cref="EntityState.Unchanged" /> state such that no
/// operation will be performed when <see cref="SaveChanges()" /> is called.
/// </summary>
/// <param name="entity"> The entity to attach. </param>
/// <param name="behavior">
/// Determines whether the context will bring in only the given entity or also other related entities.
/// </param>
/// <returns>
/// The <see cref="EntityEntry" /> for the entity. The entry provides
/// access to change tracking information and operations for the entity.
/// </returns>
public virtual EntityEntry Attach(
[NotNull] object entity,
GraphBehavior behavior = GraphBehavior.IncludeDependents)
=> SetEntityState(Check.NotNull(entity, nameof(entity)), EntityState.Unchanged, IsDefined(behavior));
/// <summary>
/// Begins tracking the given entity in the <see cref="EntityState.Unchanged" /> state such that no
/// operation will be performed when <see cref="SaveChanges()" /> is called.
/// </summary>
/// <typeparam name="TEntity"> The type of the entity. </typeparam>
/// <param name="entity"> The entity to attach. </param>
/// <param name="behavior">
/// Determines whether the context will bring in only the given entity or also other related entities.
/// </param>
/// <returns>
/// The <see cref="EntityEntry{TEntity}" /> for the entity. The entry provides
/// access to change tracking information and operations for the entity.
/// </returns>
public virtual EntityEntry <TEntity> Attach <TEntity>(
[NotNull] TEntity entity,
GraphBehavior behavior = GraphBehavior.IncludeDependents) where TEntity : class
=> SetEntityState(Check.NotNull(entity, nameof(entity)), EntityState.Unchanged, IsDefined(behavior));
