public override void Execute(Object parameter, INextCommandDelegate commandFinishedCallback)
{
if (RevertChangesSavepoint == null)
{
base.Execute(parameter, commandFinishedCallback);
return;
}
if (parameter == null)
{
if (commandFinishedCallback != null)
{
commandFinishedCallback.Invoke(true);
}
return;
}
IList <Object> businessObjects = ExtractBusinessObjects(parameter);
RevertChangesFinishedCallback revertChangesFinishedCallback = null;
if (commandFinishedCallback != null)
{
revertChangesFinishedCallback = new RevertChangesFinishedCallback(delegate(bool success)
{
commandFinishedCallback.Invoke(success);
});
}
IdentityHashSet <Object> mentionedBusinessObjects = new IdentityHashSet <Object>(businessObjects);
IdentityHashSet <Object> savepointBusinessObjects = new IdentityHashSet <Object>(RevertChangesSavepoint.GetSavedBusinessObjects());
mentionedBusinessObjects.RemoveAll(savepointBusinessObjects);
RevertChangesSavepoint.RevertChanges();
RevertChangesHelper.RevertChanges(mentionedBusinessObjects, revertChangesFinishedCallback);
}