/// <summary>
/// Creates the SnapshotOidMap for source object.
/// </summary>
/// <param name="sourceObject">The source object.</param>
/// <param name="targetObject">The target object.</param>
/// <returns></returns>
public static SnapshotOidMap Create(object sourceObject, object targetObject)
{
var targetSession = ((ISessionProvider)targetObject).Session;
var sourceSession = ((ISessionProvider)sourceObject).Session;
/* 11.2.7 */
var modelClass = XafDeltaModule.XafApp.FindModelClass(targetObject.GetType());
var result = new SnapshotOidMap(targetSession)
{
Target = new XPWeakReference(targetSession, targetObject),
// 11.2.7 StoredClassName = targetObject.GetType().FullName
StoredClassName = modelClass.TypeInfo.FullName
};
var sb = new StringBuilder();
sb.AppendFormat("{0}\a{1}\n", XafDeltaModule.Instance.CurrentNodeId,
XPWeakReference.KeyToString(sourceSession.GetKeyValue(sourceObject)));
var maps = OidMap.GetOidMaps((IXPObject)sourceObject);
foreach (var oidMap in maps)
{
sb.AppendFormat("{0}\a{1}\n", oidMap.NodeId, oidMap.ObjectId);
}
result.KnownMapping = sb.ToString();
return(result);
}
/// <summary>
/// Gets the oid map for app object.
/// </summary>
/// <param name="appObject">The app object.</param>
/// <param name="nodeId">The node id.</param>
/// <returns>Oid map</returns>
public static OidMap GetOidMap(object appObject, string nodeId)
{
if (appObject == null)
{
throw new ArgumentNullException("appObject");
}
if (nodeId == null)
{
throw new ArgumentNullException("nodeId");
}
var xpObj = (IXPObject)appObject;
// search using OidMap
var criteria = CriteriaOperator.Parse("NodeId = ? And AssemblyName = ? "
+ "And ClassName = ? And Not IsNull(Target) And Target.TargetKey_ = ?",
nodeId, xpObj.ClassInfo.AssemblyName, xpObj.ClassInfo.FullName,
XPWeakReference.KeyToString(xpObj.Session.GetKeyValue(xpObj)));
var result = xpObj.Session.FindObject <OidMap>(PersistentCriteriaEvaluationBehavior.InTransaction, criteria);
// search in new maps
if (result == null)
{
var newMaps = xpObj.Session.GetObjectsToSave().Cast <object>().Where(x => x is OidMap).Cast <OidMap>();
foreach (var map in newMaps)
{
if (map.TargetObject == appObject)
{
result = map;
break;
}
}
}
return(result);
}
private void ShowNotesAction_CustomizePopupWindowParams(object sender, CustomizePopupWindowParamsEventArgs args)
{
ListView lv = Application.CreateListView(Application.CreateObjectSpace(typeof(AuditDataItemPersistent)), typeof(AuditDataItemPersistent), true);
GroupOperator criteria = new GroupOperator(GroupOperatorType.And);
criteria.Operands.Add(new BinaryOperator("AuditedObject.TargetType", ((XPObjectSpace)ObjectSpace).Session.GetObjectType(View.CurrentObject)));
criteria.Operands.Add(new BinaryOperator("AuditedObject.TargetKey", XPWeakReference.KeyToString(ObjectSpace.GetKeyValue(View.CurrentObject))));
lv.CollectionSource.Criteria["ByTargetObject"] = criteria;
args.View = lv;
}
/// <summary>
/// Finds the application object by known maps.
/// </summary>
/// <param name="objectSpace">The object space.</param>
/// <param name="reference">The reference.</param>
/// <returns>Application object</returns>
private static object findApplicationObjectByKnownMaps(IObjectSpace objectSpace, IObjectReference reference)
{
object result = null;
// search using known mappings
if (reference is IPackageObjectReference)
{
var objRef = (IPackageObjectReference)reference;
if (!string.IsNullOrEmpty(objRef.KnownMapping))
{
var typeInfo = objectSpace.TypesInfo.FindTypeInfo(objRef.ClassName);
if (typeInfo != null)
{
foreach (var mappingString in objRef.KnownMapping.Split(new[] { '\n' }, StringSplitOptions.RemoveEmptyEntries))
{
var mapValues = mappingString.Split('\a');
if (mapValues.Length < 2)
{
continue;
}
var refNodeId = mapValues[0];
if (refNodeId == XafDeltaModule.Instance.CurrentNodeId)
{
// direct search by TargetId in current database
result = objectSpace.GetObjectByKey(typeInfo.Type,
XPWeakReference.StringToKey(mapValues[1]));
}
else
{
// search similar mapping in existing OidMaps and return its target
var searchCriteria =
CriteriaOperator.Parse("NodeId = ? And AssemblyName = ? And ClassName = ? And ObjectId = ?",
refNodeId, reference.AssemblyName, reference.ClassName, mapValues[1]);
var knownMap = objectSpace.FindObject <OidMap>(searchCriteria, true);
if (knownMap != null)
{
result = knownMap.TargetObject;
}
}
if (result != null)
{
break;
}
}
}
}
}
return(result);
}
/// <summary>
/// Convert NewObject reference to XPWeakReference after NewObject persist.
/// </summary>
internal void FixReference()
{
if (NewObject != null && NewObject is IXPObject)
{
var xpObj = (IXPObject)NewObject;
if (!xpObj.Session.IsNewObject(xpObj))
{
xpObj = (IXPObject)Session.GetObjectByKey(xpObj.ClassInfo, xpObj.Session.GetKeyValue(xpObj));
Target = new XPWeakReference(Session, xpObj);
NewObject = null;
}
}
Save();
}
XPBaseCollection GetAuditTrail(Session session, XPBaseObject xpBaseObject, Type auditedObjectWeakReferenceType)
{
var binaryOperator = new BinaryOperator("TargetType", session.GetObjectType(xpBaseObject));
var operands = new BinaryOperator("TargetKey", XPWeakReference.KeyToString(session.GetKeyValue(xpBaseObject)));
var auditObjectWR = (XPWeakReference)session.FindObject(auditedObjectWeakReferenceType, new GroupOperator(binaryOperator, operands));
if (auditObjectWR != null)
{
var baseCollection = (XPBaseCollection)auditObjectWR.ClassInfo.GetMember("AuditDataItems").GetValue(auditObjectWR);
baseCollection.BindingBehavior = CollectionBindingBehavior.AllowNone;
return(baseCollection);
}
return(null);
}
/// <summary>
/// Gets the oid maps.
/// </summary>
/// <param name="source">The source.</param>
/// <returns>Oid maps</returns>
public static IEnumerable <OidMap> GetOidMaps(IXPObject source)
{
var className = source.ClassInfo.FullName;
var modelClass = XafDeltaModule.XafApp.FindModelClass(source.GetType());
if (modelClass != null)
{
className = modelClass.Name;
}
var criteria = CriteriaOperator.Parse("ClassName = ? And Not IsNull(Target) And Target.TargetKey_ = ?",
className /*source.ClassInfo.FullName*/,
XPWeakReference.KeyToString(source.Session.GetKeyValue(source)));
var result = new XPCollection <OidMap>(PersistentCriteriaEvaluationBehavior.InTransaction,
source.Session, criteria);
return(result);
}
/// <summary>
/// Store object data in reference.
/// </summary>
/// <param name="source">The source.</param>
public virtual void Assign(object source)
{
if (source == null)
{
AssemblyName = "";
ClassName = "";
ObjectId = "";
AssemblyQualifiedName = "";
ReplicationKey = "";
}
else
{
var modelClass = XafDeltaModule.XafApp.FindModelClass(source.GetType());
AssemblyName = modelClass.TypeInfo.AssemblyInfo.Assembly.GetName().Name;
ClassName = modelClass.TypeInfo.FullName;
ObjectId = XPWeakReference.KeyToString(modelClass.TypeInfo.KeyMember.GetValue(source));
AssemblyQualifiedName = modelClass.TypeInfo.Type.AssemblyQualifiedName;
ReplicationKey = ExtensionsHelper.GetReplicationKey(source);
}
}
public override object ConvertToStorageType(object value)
{
return(XPWeakReference.KeyToString(value));
}
public override object ConvertFromStorageType(object value)
{
return(XPWeakReference.StringToKey((string)value));
}
/// <summary>
/// Convert NewObject reference to XPWeakReference after NewObject persist.
/// </summary>
internal void FixReference()
{
if (NewObject != null && NewObject is IXPObject)
{
var xpObj = (IXPObject)NewObject;
if (!xpObj.Session.IsNewObject(xpObj))
{
xpObj = (IXPObject)Session.GetObjectByKey(xpObj.ClassInfo, xpObj.Session.GetKeyValue(xpObj));
Target = new XPWeakReference(Session, xpObj);
NewObject = null;
}
}
Save();
}
public void RestoreObject(AuditDataItemPersistent audit)
{
object currentobj = audit.AuditedObject.Target;
if (!RestoredObjects.Contains(currentobj))
{
RestoredObjects.Add(currentobj);
}
else
{
return;
}
ITypeInfo currenttypeinfo = XafTypesInfo.Instance.FindTypeInfo(currentobj.GetType());
foreach (AuditDataItemPersistent item in ObjectSpace.CreateCollection(typeof(AuditDataItemPersistent), CriteriaOperator.Parse("(AuditedObject = ? OR OldObject.TargetKey = ?) AND ModifiedOn >= ? AND (OperationType = 'ObjectDeleted' OR OperationType = 'RemovedFromCollection')", audit.AuditedObject, XPWeakReference.KeyToString(currenttypeinfo.KeyMember.GetValue(currentobj)), audit.ModifiedOn), new List <SortProperty>()
{
new SortProperty("ModifiedOn", DevExpress.Xpo.DB.SortingDirection.Ascending)
}))
{
if (item.OperationType == "ObjectDeleted")
{
UndeleteObjectCore(currentobj, currenttypeinfo);
}
else if (item.OperationType == "RemovedFromCollection")
{
object oldobj = item.OldObject.Target;
UndeleteObject(oldobj);
object associatedobject = item.AuditedObject.Target;
UndeleteObject(associatedobject);
ITypeInfo associatedobjectinfo = XafTypesInfo.Instance.FindTypeInfo(associatedobject.GetType());
IList collection = associatedobjectinfo.FindMember(item.PropertyName).GetValue(associatedobject) as IList;
collection.Add(oldobj);
RestoreAggregateObjects(oldobj);
RestoreAggregateObjects(associatedobject);
}
}
RestoreAggregateObjects(currentobj);
}
