public TDbContext Get <TDbContext>() where TDbContext : DbContext
{
var ambientDbContextScope = DbContextScope.GetAmbientScope();
return(ambientDbContextScope == null
? null
: ambientDbContextScope.DbContexts.Get <TDbContext>());
}
public void Dispose()
{
if (_disposed)
{
return;
}
if (_savedScope != null)
{
DbContextScope.SetAmbientScope(_savedScope);
_savedScope = null;
}
_disposed = true;
}
internal static void SetAmbientScope(DbContextScope newAmbientScope)
{
if (newAmbientScope == null)
{
throw new ArgumentNullException(nameof(newAmbientScope));
}
var current = CallContext.LogicalGetData(AmbientDbContextScopeKey) as InstanceIdentifier;
if (current == newAmbientScope._instanceIdentifier)
{
return;
}
CallContext.LogicalSetData(AmbientDbContextScopeKey, newAmbientScope._instanceIdentifier);
DbContextScopeInstance.GetValue(newAmbientScope._instanceIdentifier, key => newAmbientScope);
}
public AmbientContextSuppressor()
{
_savedScope = DbContextScope.GetAmbientScope();
DbContextScope.HideAmbientScope();
}
public DbContextReadOnlyScope(DbContextScopeOption joiningOption, IsolationLevel?isolationLevel, IDbContextFactory dbContextFactory = null)
{
_internalScope = new DbContextScope(joiningOption, true, isolationLevel);
}
