public int Compare(SoodaObject dbo1, SoodaObject dbo2)
{
object v1 = dbo1.Evaluate(_propertyChain, false);
object v2 = dbo2.Evaluate(_propertyChain, false);
if (_sortOrder == SortOrder.Ascending)
return DoCompare(v1, v2, dbo1, dbo2);
else
return -DoCompare(v1, v2, dbo1, dbo2);
}
internal void AddToPostCommitQueue(SoodaObject o)
{
if (transactionLogger.IsTraceEnabled)
transactionLogger.Trace("Adding {0} to post-commit queue", o.GetObjectKeyString());
_postCommitQueue.Add(o);
}
public abstract IDataReader LoadObject(SoodaObject obj, object keyValue, out TableInfo[] tables);
public EvaluateContext()
{
_rootObject = null;
}
public int Compare(SoodaObject dbo1, SoodaObject dbo2)
{
_context1.SetRootObject(dbo1);
_context2.SetRootObject(dbo2);
foreach (ExpressionCompareInfo eci in expressions)
{
object v1 = eci.Expression.Evaluate(_context1);
object v2 = eci.Expression.Evaluate(_context2);
int result = DoCompare(v1, v2);
if (result != 0)
{
if (eci.SortOrder == SortOrder.Ascending)
return result;
else
return -result;
}
}
return PrimaryKeyCompare(dbo1, dbo2);
}
internal void SetRefFieldValue(int tableNumber, string fieldName, int fieldOrdinal, SoodaObject newValue, SoodaObject[] refcache, int refCacheOrdinal, ISoodaObjectFactory factory)
{
if (newValue != null)
{
// transaction check
if (newValue.GetTransaction() != this.GetTransaction())
throw new SoodaException("Attempted to assign object " + newValue.GetObjectKeyString() + " from another transaction to " + this.GetObjectKeyString() + "." + fieldName);
}
EnsureFieldsInited();
EnsureDataLoaded(tableNumber);
SoodaObject oldValue = null;
SoodaObjectImpl.GetRefFieldValue(ref oldValue, this, tableNumber, fieldOrdinal, GetTransaction(), factory);
if (Object.Equals(oldValue, newValue))
return;
object[] triggerArgs = new object[] { oldValue, newValue };
if (AreFieldUpdateTriggersEnabled())
{
MethodInfo mi = this.GetType().GetMethod("BeforeFieldUpdate_" + fieldName, BindingFlags.Instance | BindingFlags.FlattenHierarchy | BindingFlags.NonPublic | BindingFlags.Public);
if (mi != null)
mi.Invoke(this, triggerArgs);
}
Sooda.Schema.FieldInfo fieldInfo = GetClassInfo().UnifiedFields[fieldOrdinal];
StringCollection backRefCollections = GetTransaction().Schema.GetBackRefCollections(fieldInfo);
if (oldValue != null && backRefCollections != null)
{
foreach (string collectionName in backRefCollections)
{
PropertyInfo coll = oldValue.GetType().GetProperty(collectionName, BindingFlags.Instance | BindingFlags.FlattenHierarchy | BindingFlags.Public);
if (coll == null)
throw new Exception(collectionName + " not found in " + oldValue.GetType().Name + " while setting " + this.GetType().Name + "." + fieldName);
ISoodaObjectListInternal listInternal = (ISoodaObjectListInternal)coll.GetValue(oldValue, null);
listInternal.InternalRemove(this);
}
}
SetFieldValue(fieldOrdinal, newValue != null ? newValue.GetPrimaryKeyValue() : null);
refcache[refCacheOrdinal] = null;
if (newValue != null && backRefCollections != null)
{
foreach (string collectionName in backRefCollections)
{
PropertyInfo coll = newValue.GetType().GetProperty(collectionName, BindingFlags.Instance | BindingFlags.FlattenHierarchy | BindingFlags.Public);
if (coll == null)
throw new Exception(collectionName + " not found in " + newValue.GetType().Name + " while setting " + this.GetType().Name + "." + fieldName);
ISoodaObjectListInternal listInternal = (ISoodaObjectListInternal)coll.GetValue(newValue, null);
listInternal.InternalAdd(this);
}
}
if (AreFieldUpdateTriggersEnabled())
{
MethodInfo mi = this.GetType().GetMethod("AfterFieldUpdate_" + fieldName, BindingFlags.Instance | BindingFlags.FlattenHierarchy | BindingFlags.NonPublic | BindingFlags.Public);
if (mi != null)
mi.Invoke(this, triggerArgs);
}
}
private static int DoCompare(object v1, object v2, SoodaObject dbo1, SoodaObject dbo2)
{
if (v1 == null)
{
if (v2 == null)
return PrimaryKeyCompare(dbo1, dbo2);
else
return -1; // null is less than anything
};
if (v2 == null)
{
return 1; // not null is greater than anything
}
int v = ((IComparable)v1).CompareTo(v2);
if (v == 0)
return PrimaryKeyCompare(dbo1, dbo2);
else
return v;
}
public EvaluateContext(SoodaWhereClause whereClause, SoodaObject rootObject)
{
_whereClause = whereClause;
_rootObject = rootObject;
}
protected internal void RegisterObject(SoodaObject o)
{
// Console.WriteLine("Registering object {0}...", o.GetObjectKey());
object pkValue = o.GetPrimaryKeyValue();
// Console.WriteLine("Adding key: " + o.GetObjectKey() + " of type " + o.GetType());
for (ClassInfo ci = o.GetClassInfo(); ci != null; ci = ci.InheritsFromClass)
{
AddObjectWithKey(ci.Name, pkValue, o);
List<WeakSoodaObject> al;
if (!_objectsByClass.TryGetValue(ci.Name, out al))
{
al = new List<WeakSoodaObject>();
_objectsByClass[ci.Name] = al;
}
al.Add(new WeakSoodaObject(o));
}
if (!UseWeakReferences)
_strongReferences.Add(o);
_objectList.Add(new WeakSoodaObject(o));
if (_precommitQueue != null)
_precommitQueue.Enqueue(o);
}
private void AddObjectWithKey(string className, object keyValue, SoodaObject obj)
{
// Console.WriteLine("AddObjectWithKey('{0}',{1})", className, keyValue);
if (keyValue == null) keyValue = "";
GetObjectDictionaryForClass(className)[keyValue] = new WeakSoodaObject(obj);
}
internal void SetPersistentValue(SoodaObject obj, string name, string value)
{
NameValueCollection dict;
if (!_persistentValues.TryGetValue(obj, out dict))
{
dict = new NameValueCollection();
_persistentValues.Add(obj, dict);
}
dict[name] = value;
}
internal string GetPersistentValue(SoodaObject obj, string name)
{
NameValueCollection dict;
if (!_persistentValues.TryGetValue(obj, out dict))
return null;
return dict[name];
}
internal NameValueCollection GetPersistentValues(SoodaObject obj)
{
NameValueCollection dict;
_persistentValues.TryGetValue(obj, out dict);
return dict;
}
public abstract IDataReader LoadObjectTable(SoodaObject obj, object keyValue, int tableNumber, out TableInfo[] tables);
static int Compare(SoodaObject o1, SoodaObject o2)
{
int retval = string.CompareOrdinal(o1.GetClassInfo().Name, o2.GetClassInfo().Name);
if (retval != 0)
return retval;
return ((IComparable) o1.GetPrimaryKeyValue()).CompareTo(o2.GetPrimaryKeyValue());
}
public bool Matches(SoodaObject obj, bool throwOnUnknown)
{
if (this.WhereExpression == null)
return true;
EvaluateContext context = new EvaluateContext(this, obj);
object val = this.WhereExpression.Evaluate(context);
if (val == null && throwOnUnknown)
throw new SoqlException("Cannot evaluate expression '" + this.whereExpression.ToString() + " ' in memory.");
if (val is bool)
return (bool)val;
else
return false;
}
protected internal void RegisterDirtyObject(SoodaObject o)
{
// transactionLogger.Debug("RegisterDirtyObject({0})", o.GetObjectKeyString());
_dirtyObjects.Add(o);
for (ClassInfo ci = o.GetClassInfo(); ci != null; ci = ci.InheritsFromClass)
{
List<WeakSoodaObject> al;
if (!_dirtyObjectsByClass.TryGetValue(ci.Name, out al))
{
al = new List<WeakSoodaObject>();
_dirtyObjectsByClass[ci.Name] = al;
}
al.Add(new WeakSoodaObject(o));
}
}
protected internal bool IsRegistered(SoodaObject o)
{
object pkValue = o.GetPrimaryKeyValue();
return ExistsObjectWithKey(o.GetClassInfo().Name, pkValue);
}
private static void RemoveWeakSoodaObjectFromCollection(List<WeakSoodaObject> collection, SoodaObject o)
{
for (int i = 0; i < collection.Count; ++i)
{
if (collection[i].TargetSoodaObject == o)
{
collection.RemoveAt(i);
break;
}
}
}
public int Compare(SoodaObject dbo1, SoodaObject dbo2)
{
foreach (FieldCompareInfo fci in fields)
{
object v1 = dbo1.Evaluate(fci.propertyChain, false);
object v2 = dbo2.Evaluate(fci.propertyChain, false);
int result = DoCompare(v1, v2);
if (result != 0)
{
if (fci.sortOrder == SortOrder.Ascending)
return result;
else
return -result;
}
}
return PrimaryKeyCompare(dbo1, dbo2);
}
protected internal void UnregisterObject(SoodaObject o)
{
object pkValue = o.GetPrimaryKeyValue();
if (ExistsObjectWithKey(o.GetClassInfo().Name, pkValue))
{
UnregisterObjectWithKey(o.GetClassInfo().Name, pkValue);
for (ClassInfo ci = o.GetClassInfo().InheritsFromClass; ci != null; ci = ci.InheritsFromClass)
{
UnregisterObjectWithKey(ci.Name, pkValue);
}
RemoveWeakSoodaObjectFromCollection(_objectList, o);
List<WeakSoodaObject> al;
if (_objectsByClass.TryGetValue(o.GetClassInfo().Name, out al))
{
RemoveWeakSoodaObjectFromCollection(al, o);
}
}
}
public EvaluateContext(SoodaObject rootObject)
{
_rootObject = rootObject;
}
internal void MarkPrecommitted(SoodaObject o)
{
_precommittedClassOrRelation[o.GetClassInfo().GetRootClass().Name] = true;
}
private static int PrimaryKeyCompare(SoodaObject dbo1, SoodaObject dbo2)
{
return ((IComparable)dbo1.GetPrimaryKeyValue()).CompareTo(dbo2.GetPrimaryKeyValue());
}
internal void PrecommitObject(SoodaObject o)
{
if (!o.VisitedOnCommit && !o.IsMarkedForDelete())
{
MarkPrecommitted(o);
o.SaveObjectChanges();
}
}
public void SetRootObject(SoodaObject o)
{
_rootObject = o;
}
public abstract void SaveObjectChanges(SoodaObject obj, bool isPrecommit);
