public static bool NeedReload(this XPObjectSpace objectSpace, object currentObject)
{
XPMemberInfo optimisticLockFieldInfo;
XPClassInfo classInfo = GetClassInfo(objectSpace, currentObject, out optimisticLockFieldInfo);
Boolean isObjectChangedByAnotherUser = false;
if (!objectSpace.IsDisposedObject(currentObject) && !objectSpace.IsNewObject(currentObject) && (optimisticLockFieldInfo != null))
{
Object keyPropertyValue = objectSpace.GetKeyValue(currentObject);
Object lockFieldValue = optimisticLockFieldInfo.GetValue(currentObject);
if (lockFieldValue != null)
{
if (objectSpace.Session.FindObject(currentObject.GetType(), new GroupOperator(
new BinaryOperator(objectSpace.GetKeyPropertyName(currentObject.GetType()), keyPropertyValue),
new BinaryOperator(classInfo.OptimisticLockFieldName, lockFieldValue)), true) == null)
{
isObjectChangedByAnotherUser = true;
}
}
else
{
if (objectSpace.Session.FindObject(currentObject.GetType(), new GroupOperator(
new BinaryOperator(objectSpace.GetKeyPropertyName(currentObject.GetType()), keyPropertyValue),
new NullOperator(classInfo.OptimisticLockFieldName)), true) == null)
{
isObjectChangedByAnotherUser = true;
}
}
}
return(isObjectChangedByAnotherUser);
}
