internal List <IDataObject> GetListOfCall(int ID, string propertyName)
{
ResetState();
List <IStreamable> auxObjects;
List <IDataObject> serviceResult = _proxy.GetListOf(_context, _type, ID, propertyName, out auxObjects).ToList();
List <IDataObject> result = new List <IDataObject>();
foreach (IDataObject obj in serviceResult)
{
result.Add((IDataObject)_context.AttachRespectingIsolationLevel(obj));
}
foreach (IPersistenceObject obj in auxObjects)
{
_context.AttachRespectingIsolationLevel(obj);
}
_context.PlaybackNotifications();
return(result);
}
public int ExchangeObjects(ZetboxContextImpl ctx)
{
var objectsToSubmit = new List <IPersistenceObject>();
var objectsToAdd = new List <IPersistenceObject>();
var objectsToDetach = new List <IPersistenceObject>();
// Added Objects
foreach (var obj in ctx._objects.OfType <PersistenceObjectBaseImpl>()
.Where(o => o.ObjectState == DataObjectState.New))
{
objectsToSubmit.Add(obj);
objectsToAdd.Add(obj);
}
// Changed objects
foreach (var obj in ctx._objects.OfType <PersistenceObjectBaseImpl>()
.Where(o => o.ObjectState == DataObjectState.Modified))
{
if (!obj.CurrentAccessRights.HasWriteRights())
{
throw new System.Security.SecurityException(string.Format("Inconsistent security/rights state detected while changing {0}({1})", ctx.GetInterfaceType(obj).Type.FullName, obj.ID));
}
objectsToSubmit.Add(obj);
}
// Deleted Objects
foreach (var obj in ctx._objects.OfType <PersistenceObjectBaseImpl>()
.Where(o => o.ObjectState == DataObjectState.Deleted))
{
if (!obj.CurrentAccessRights.HasDeleteRights())
{
throw new System.Security.SecurityException(string.Format("Inconsistent security/rights state detected while deleting {0}({1})", ctx.GetInterfaceType(obj).Type.FullName, obj.ID));
}
// Submit only persisted objects
if (Helper.IsPersistedObject(obj))
{
objectsToSubmit.Add(obj);
}
objectsToDetach.Add(obj);
}
var notifySaveList = objectsToSubmit.OfType <IDataObject>().Where(o => o.ObjectState.In(DataObjectState.New, DataObjectState.Modified));
// Fire PreSave
notifySaveList.ForEach(o => o.NotifyPreSave());
var notificationRequests = ctx.AttachedObjects
.ToLookup(o => ctx.GetInterfaceType(o))
.Select(g => new ObjectNotificationRequest()
{
Type = g.Key.ToSerializableType(), IDs = g.Select(o => o.ID).ToArray()
});
// Submit to server
var objectsFromServer = this.ExecuteServerCall(ctx, objectsToSubmit, notificationRequests);
// Apply Changes
int counter = 0;
var changedObjects = new List <IPersistenceObject>();
foreach (var objFromServer in objectsFromServer)
{
IClientObject obj;
IPersistenceObject underlyingObject;
if (counter < objectsToAdd.Count)
{
obj = (IClientObject)objectsToAdd[counter++];
underlyingObject = obj.UnderlyingObject;
// remove object from cache, since index by ID may change.
// will be re-inserted on attach later
ctx._objects.Remove(underlyingObject);
}
else
{
underlyingObject = ctx.ContainsObject(ctx.GetInterfaceType(objFromServer), objFromServer.ID) ?? objFromServer;
obj = (IClientObject)underlyingObject;
}
ctx.RecordNotifications(underlyingObject);
if (obj != objFromServer)
{
underlyingObject.ApplyChangesFrom(objFromServer);
}
if (objFromServer.ObjectState == DataObjectState.Deleted)
{
// deleted on server
obj.SetDeleted();
}
else
{
// reset ObjectState to new truth
obj.SetUnmodified();
}
changedObjects.Add(underlyingObject);
}
objectsToDetach.Except(changedObjects).ForEach(obj => ctx.Detach(obj));
changedObjects.ForEach(obj => ctx.Attach(obj));
this.UpdateModifiedState(ctx);
ctx.PlaybackNotifications();
// Fire PostSave
notifySaveList.ForEach(o => o.NotifyPostSave());
return(objectsToSubmit.Count);
}
