Ejemplo n.º 1
0
        /// <summary>
        /// Create a new Tuple of type <paramref name="myTupleElementType"/> and values <paramref name="myValues"/>
        /// </summary>
        /// <param name="myTupleElementType"></param>
        /// <param name="myValues"></param>
        /// <returns></returns>
        public static TupleDefinition Create(params Object[] myValues)
        {
            var elements = new TupleDefinition();

            foreach (var value in myValues)
            {
                elements.AddElement(new TupleElement(new ValueDefinition(value)));
            }
            return(elements);
        }
Ejemplo n.º 2
0
 public void Remove(TupleDefinition myTupleDefinition)
 {
     if (myTupleDefinition == this)
     {
         TupleElements = new List <TupleElement>();
     }
     else
     {
         foreach (var td in myTupleDefinition)
         {
             Remove(td);
         }
     }
 }
 /// <summary>
 ///
 /// </summary>
 /// <param name="myTupleDefinition"></param>
 /// <returns></returns>
 private bool IsEncapsulatedBinaryExpression(TupleDefinition myTupleDefinition)
 {
     if (myTupleDefinition.Count() == 1)
     {
         if ((myTupleDefinition.First().Value is BinaryExpressionDefinition) || (myTupleDefinition.First().Value is UnaryExpressionDefinition))
         {
             return(true);
         }
         else
         {
             return(false);
         }
     }
     else
     {
         return(false);
     }
 }
Ejemplo n.º 4
0
        public static AOperationDefinition GetValidTupleReloaded(TupleDefinition myTupleDefinition,
                                                                 IGraphDB myIGraphDB,
                                                                 SecurityToken mySecurityToken,
                                                                 Int64 myTransactionToken)
        {
            switch (myTupleDefinition.KindOfTuple)
            {
            case KindOfTuple.Exclusive:

                if (myTupleDefinition.TupleElements.Count == 1)
                {
                    return(myTupleDefinition.TupleElements[0].Value as ValueDefinition);
                }
                else
                {
                    return(myTupleDefinition);
                }

            default:

                return(myTupleDefinition);
            }
        }
        /// <summary>
        /// This will check all tupe value. If it contains only one value it will be converted to a ValueDefinition. If it contains a SelectDefinition it will be executed and the result added to the tuple.
        /// </summary>
        private AOperationDefinition AssignCorrectTuple(GQLPluginManager myPluginManager,
                                                        TupleDefinition myTupleDefinition,
                                                        BinaryOperator myOperator,
                                                        IGraphDB myGraphDB,
                                                        SecurityToken mySecurityToken,
                                                        Int64 myTransactionToken)
        {
            var retVal     = new TupleDefinition(myTupleDefinition.KindOfTuple);
            var validTuple = ABinaryOperator.GetValidTupleReloaded(myTupleDefinition, myGraphDB, mySecurityToken, myTransactionToken);

            if (validTuple is TupleDefinition)
            {
                foreach (var tupleVal in (validTuple as TupleDefinition))
                {
                    if (tupleVal.Value is ValueDefinition)
                    {
                        retVal.AddElement(tupleVal);
                    }
                    else if (tupleVal.Value is SelectDefinition)
                    {
                        #region partial select

                        var selectManager = new SelectManager(myGraphDB, myPluginManager);
                        var qresult       = selectManager.ExecuteSelect(mySecurityToken, myTransactionToken, (tupleVal.Value as SelectDefinition), String.Empty);
                        if (qresult.Error != null)
                        {
                            throw qresult.Error;
                        }

                        IAttributeDefinition curAttr = ((tupleVal.Value as SelectDefinition).SelectedElements.First().Item1 as IDChainDefinition).LastAttribute;

                        foreach (var _Vertex in qresult.Vertices)
                        {
                            if (!(_Vertex.HasProperty(curAttr.Name)))
                            {
                                continue;
                            }

                            if (curAttr != null)
                            {
                                var val = new ValueDefinition(_Vertex.GetProperty <Object>(curAttr.Name));
                                retVal.AddElement(new TupleElement(val));
                            }
                            else
                            {
                                throw new NotImplementedQLException("");
                            }
                        }


                        #endregion
                    }
                    else
                    {
                        throw new NotImplementedQLException("");
                    }
                }
            }
            else
            {
                return(validTuple);
            }

            return(retVal);
        }
Ejemplo n.º 6
0
 protected AOperationDefinition CreateTupleValue(TupleDefinition myTupleDefinition)
 {
     return(myTupleDefinition);
 }