/// <summary>
/// Starts an async operation to save the object to the database.
/// </summary>
/// <param name="handler">
/// Method called when the operation is complete.
/// </param>
/// <param name="userState">User state object.</param>
public virtual void BeginSave(EventHandler <SavedEventArgs> handler, object userState)
{
if (this.IsChild)
{
var error = new InvalidOperationException(Resources.NoSaveChildException);
OnSaved(null, error, userState);
if (handler != null)
{
handler(this, new SavedEventArgs(null, error, userState));
}
}
else if (EditLevel > 0)
{
var error = new InvalidOperationException(Resources.NoSaveEditingException);
OnSaved(null, error, userState);
if (handler != null)
{
handler(this, new SavedEventArgs(null, error, userState));
}
}
else if (!IsValid)
{
Rules.ValidationException error = new Rules.ValidationException(Resources.NoSaveInvalidException);
OnSaved(null, error, userState);
if (handler != null)
{
handler(this, new SavedEventArgs(null, error, userState));
}
}
else if (IsBusy)
{
var error = new InvalidOperationException(Resources.BusyObjectsMayNotBeSaved);
OnSaved(null, error, userState);
if (handler != null)
{
handler(this, new SavedEventArgs(null, error, userState));
}
}
else
{
if (IsDirty)
{
if (userState == null)
{
DataPortal.BeginUpdate <T>(this, (o, e) =>
{
T result = e.Object;
OnSaved(result, e.Error, e.UserState);
if (handler != null)
{
handler(result, new SavedEventArgs(result, e.Error, null));
}
});
}
else
{
DataPortal.BeginUpdate <T>(this, (o, e) =>
{
T result = e.Object;
OnSaved(result, e.Error, e.UserState);
if (handler != null)
{
handler(result, new SavedEventArgs(result, e.Error, e.UserState));
}
}, userState);
}
}
else
{
OnSaved((T)this, null, userState);
if (handler != null)
{
handler(this, new SavedEventArgs(this, null, userState));
}
}
}
}
/// <summary>
/// Starts an async operation to save the object to the database.
/// </summary>
/// <param name="forceUpdate">
/// If <see langword="true"/>, triggers overriding IsNew and IsDirty.
/// If <see langword="false"/> then it is the same as calling Save().
/// </param>
/// <param name="handler">
/// Method called when the operation is complete.
/// </param>
/// <param name="userState">User state data.</param>
public virtual void BeginSave(bool forceUpdate, EventHandler <SavedEventArgs> handler, object userState)
{
if (forceUpdate && IsNew)
{
// mark the object as old - which makes it
// not dirty
MarkOld();
// now mark the object as dirty so it can save
MarkDirty(true);
}
if (this.IsChild)
{
var error = new InvalidOperationException(Resources.NoSaveChildException);
OnSaved(null, error, userState);
if (handler != null)
{
handler(this, new SavedEventArgs(null, error, userState));
}
}
else if (EditLevel > 0)
{
var error = new InvalidOperationException(Resources.NoSaveEditingException);
OnSaved(null, error, userState);
if (handler != null)
{
handler(this, new SavedEventArgs(null, error, userState));
}
}
else if (!IsValid && !IsDeleted)
{
Rules.ValidationException error = new Rules.ValidationException(Resources.NoSaveInvalidException);
OnSaved(null, error, userState);
if (handler != null)
{
handler(this, new SavedEventArgs(null, error, userState));
}
}
else if (IsBusy)
{
var error = new InvalidOperationException(Resources.BusyObjectsMayNotBeSaved);
OnSaved(null, error, userState);
if (handler != null)
{
handler(this, new SavedEventArgs(null, error, userState));
}
}
else
{
if (IsDirty)
{
MarkBusy();
if (userState == null)
{
DataPortal.BeginUpdate <T>(this, (o, e) =>
{
T result = e.Object;
OnSaved(result, e.Error, e.UserState);
if (handler != null)
{
handler(result, new SavedEventArgs(result, e.Error, e.UserState));
}
MarkIdle();
});
}
else
{
DataPortal.BeginUpdate <T>(this, (o, e) =>
{
T result = e.Object;
OnSaved(result, e.Error, e.UserState);
if (handler != null)
{
handler(result, new SavedEventArgs(result, e.Error, e.UserState));
}
MarkIdle();
}, userState);
}
}
else
{
OnSaved((T)this, null, userState);
if (handler != null)
{
handler(this, new SavedEventArgs(this, null, userState));
}
}
}
}
