/// <summary>
/// This API supports the Entity Framework Core infrastructure and is not intended to be used
/// directly from your code. This API may change or be removed in future releases.
/// </summary>
public DbContextDependencies(
[NotNull] IChangeDetector changeDetector,
[NotNull] IDbSetInitializer dbSetInitializer,
[NotNull] IEntityFinderSource entityFinderSource,
[NotNull] IEntityGraphAttacher entityGraphAttacher,
[NotNull] IModel model,
[NotNull] IAsyncQueryProvider queryProvider,
[NotNull] IStateManager stateManager)
{
Check.NotNull(changeDetector, nameof(changeDetector));
Check.NotNull(dbSetInitializer, nameof(dbSetInitializer));
Check.NotNull(entityFinderSource, nameof(entityFinderSource));
Check.NotNull(entityGraphAttacher, nameof(entityGraphAttacher));
Check.NotNull(model, nameof(model));
Check.NotNull(queryProvider, nameof(queryProvider));
Check.NotNull(stateManager, nameof(stateManager));
ChangeDetector = changeDetector;
DbSetInitializer = dbSetInitializer;
EntityFinderSource = entityFinderSource;
EntityGraphAttacher = entityGraphAttacher;
Model = model;
QueryProvider = queryProvider;
StateManager = stateManager;
}
/// <summary>
/// Creates a <see cref="DbSet{TEntity}" /> that can be used to query and save instances of <typeparamref name="TEntity" />.
/// </summary>
/// <typeparam name="TEntity"> The type of entity for which a set should be returned. </typeparam>
/// <returns> A set for the given entity type. </returns>
public virtual DbSet <TEntity> Set <TEntity>() where TEntity : class
{
if (Model.FindEntityType(typeof(TEntity)) == null)
{
throw new InvalidOperationException(CoreStrings.InvalidSetType(typeof(TEntity).Name));
}
return((_setInitializer
?? (_setInitializer = ServiceProvider.GetRequiredService <IDbSetInitializer>())).CreateSet <TEntity>(this));
}
/// <summary>
/// Releases the allocated resources for this context.
/// </summary>
public virtual void Dispose()
{
_disposed = true;
_serviceScope?.Dispose();
_setInitializer = null;
_changeTracker = null;
_stateManager = null;
_changeDetector = null;
_graphAttacher = null;
_model = null;
}
/// <summary>
/// Creates a <see cref="DbSet{TEntity}" /> that can be used to query and save instances of <typeparamref name="TEntity" />.
/// </summary>
/// <typeparam name="TEntity"> The type of entity for which a set should be returned. </typeparam>
/// <returns> A set for the given entity type. </returns>
public virtual DbSet <TEntity> Set <TEntity>() where TEntity : class
=> (_setInitializer
?? (_setInitializer = ServiceProvider.GetRequiredService <IDbSetInitializer>())).CreateSet <TEntity>(this);
