Esempio n. 1
0
        internal override bool Evaluate(IInternalCandidate candidate)
        {
            bool        result      = true;
            QCandidates qCandidates = candidate.Candidates();

            if (qCandidates.IsTopLevel() && qCandidates.WasLoadedFromClassFieldIndex())
            {
                if (_classMetadata.GetAncestor() != null)
                {
                    BTreeClassIndexStrategy index = (BTreeClassIndexStrategy)_classMetadata.Index();
                    if (index == null)
                    {
                        return(i_evaluator.Not(true));
                    }
                    BTree  btree        = index.Btree();
                    object searchResult = btree.Search(candidate.Transaction(), candidate.Id());
                    result = searchResult != null;
                }
            }
            else
            {
                IReflectClass claxx = candidate.ClassMetadata().ClassReflector();
                if (claxx == null)
                {
                    result = false;
                }
                else
                {
                    result = i_equal ? _claxx.Equals(claxx) : _claxx.IsAssignableFrom(claxx);
                }
            }
            return(i_evaluator.Not(result));
        }
Esempio n. 2
0
 public virtual bool IsAssignableFrom(IReflectClass subclassCandidate)
 {
     if (subclassCandidate == null)
     {
         return(false);
     }
     if (Equals(subclassCandidate))
     {
         return(true);
     }
     if (_delegate != null)
     {
         if (subclassCandidate is Db4objects.Db4o.Reflect.Generic.GenericClass)
         {
             subclassCandidate = ((Db4objects.Db4o.Reflect.Generic.GenericClass)subclassCandidate
                                  ).GetDelegate();
         }
         return(_delegate.IsAssignableFrom(subclassCandidate));
     }
     if (!(subclassCandidate is Db4objects.Db4o.Reflect.Generic.GenericClass))
     {
         return(false);
     }
     return(IsAssignableFrom(subclassCandidate.GetSuperclass()));
 }
Esempio n. 3
0
        internal override bool Evaluate(QCandidate a_candidate)
        {
            bool          res   = true;
            IReflectClass claxx = a_candidate.ClassReflector();

            if (claxx == null)
            {
                res = false;
            }
            else
            {
                res = i_equal ? _claxx.Equals(claxx) : _claxx.IsAssignableFrom(claxx);
            }
            return(i_evaluator.Not(res));
        }
        public Collection4 ForInterface(IReflectClass claxx)
        {
            Collection4           col = new Collection4();
            ClassMetadataIterator i   = Iterator();

            while (i.MoveNext())
            {
                ClassMetadata clazz     = i.CurrentClass();
                IReflectClass candidate = clazz.ClassReflector();
                if (!candidate.IsInterface())
                {
                    if (claxx.IsAssignableFrom(candidate))
                    {
                        col.Add(clazz);
                        IEnumerator j = new Collection4(col).GetEnumerator();
                        while (j.MoveNext())
                        {
                            ClassMetadata existing = (ClassMetadata)j.Current;
                            if (existing != clazz)
                            {
                                ClassMetadata higher = clazz.GetHigherHierarchy(existing);
                                if (higher != null)
                                {
                                    if (higher == clazz)
                                    {
                                        col.Remove(existing);
                                    }
                                    else
                                    {
                                        col.Remove(clazz);
                                    }
                                }
                            }
                        }
                    }
                }
            }
            return(col);
        }
Esempio n. 5
0
        private bool CanHold(IReflectClass type)
        {
            if (type == null)
            {
                throw new ArgumentNullException();
            }
            ITypeHandler4 typeHandler = GetHandler();

            if (typeHandler is IQueryableTypeHandler)
            {
                if (((IQueryableTypeHandler)typeHandler).DescendsIntoMembers())
                {
                    return(true);
                }
            }
            IReflectClass classReflector = FieldType().ClassReflector();

            if (classReflector.IsCollection())
            {
                return(true);
            }
            return(classReflector.IsAssignableFrom(type));
        }
 public int CompareTo(object obj)
 {
     if (obj is TransactionContext)
     {
         obj = ((TransactionContext)obj)._object;
     }
     if (obj == null)
     {
         return(_id == 0 ? 0 : 1);
     }
     if (obj is int)
     {
         int targetInt = ((int)obj);
         return(_id == targetInt ? 0 : (_id < targetInt ? -1 : 1));
     }
     if (_claxx != null)
     {
         if (_claxx.IsAssignableFrom(_claxx.Reflector().ForObject(obj)))
         {
             return(0);
         }
     }
     throw new IllegalComparisonException();
 }
		public Collection4 ForInterface(IReflectClass claxx)
		{
			Collection4 col = new Collection4();
			ClassMetadataIterator i = Iterator();
			while (i.MoveNext())
			{
				ClassMetadata clazz = i.CurrentClass();
				IReflectClass candidate = clazz.ClassReflector();
				if (!candidate.IsInterface())
				{
					if (claxx.IsAssignableFrom(candidate))
					{
						col.Add(clazz);
						IEnumerator j = new Collection4(col).GetEnumerator();
						while (j.MoveNext())
						{
							ClassMetadata existing = (ClassMetadata)j.Current;
							if (existing != clazz)
							{
								ClassMetadata higher = clazz.GetHigherHierarchy(existing);
								if (higher != null)
								{
									if (higher == clazz)
									{
										col.Remove(existing);
									}
									else
									{
										col.Remove(clazz);
									}
								}
							}
						}
					}
				}
			}
			return col;
		}
Esempio n. 8
0
 public virtual bool CanHandleClass(IReflectClass claxx)
 {
     return(_reflectMapClass.IsAssignableFrom(claxx));
 }
Esempio n. 9
0
 public bool Match(IReflectClass candidate)
 {
     return(collectionClass.IsAssignableFrom(candidate));
 }