/// <summary>
/// Parameterized constructor.
/// </summary>
/// <param name="saveAllChangesAtEndOfScope">
/// A boolean value that indicates whether to automatically save
/// all object changes at end of the scope.
/// </param>
public ObjectContextScope(bool saveAllChangesAtEndOfScope)
{
if (_currentScope != null && !_currentScope._isDisposed)
{
throw new InvalidOperationException("ObjectContextScope instances cannot be nested.");
}
_saveAllChangesAtEndOfScope = saveAllChangesAtEndOfScope;
_objectContext = new T();
_isDisposed = false;
Thread.BeginThreadAffinity();
System.Diagnostics.Debug.WriteLine("Begin of ObjectContextScope");
_currentScope = this;
}
/// <summary>
/// Disposes the ObjectContext.
/// </summary>
public void Dispose()
{
if (!_isDisposed)
{
_currentScope = null;
Thread.EndThreadAffinity();
if (_saveAllChangesAtEndOfScope)
{
_objectContext.SaveChanges();
}
_objectContext.Dispose();
_isDisposed = true;
System.Diagnostics.Debug.WriteLine("End of ObjectContextScope");
}
}
