Ejemplo n.º 1
0
        public void MaximumRelAtt(RelationSymbol parameterSym1, string exAttribute, RelationSymbol returnSym)
        {
            Console.WriteLine("Maximum'ing...");

            var index = parameterSym1.Index.Value;

            QLPart partForTypeExtraction = null; //first present attribute provides type info
            var    tuples = parameterSym1.Tuples.ToArray();

            foreach (var tuple in tuples)
            {
                var part = tuple[index].GetPropertyValue(exAttribute);
                if (part != null)
                {
                    partForTypeExtraction = part;
                    break;
                }
            }

            if (partForTypeExtraction == null)
            {
                return;
            }

            IEnumerable <QLEntity[]> tuplesOut = null;

            if (partForTypeExtraction.QLNumber != null)
            {
                var max = tuples.Max(t => t[index].GetPropertyValue(exAttribute).QLNumber.Value);
                tuplesOut = tuples.Where(t => t[index].GetPropertyValue(exAttribute).QLNumber.Value == max);
            }

            returnSym.SetTuples(tuplesOut);
        }
Ejemplo n.º 2
0
        //only symbols and simple types in operators, no nodes
        //symbolTable, parameterSym1, ..., returnSym

        public void ProjectRelAttRelation(RelationSymbol parameterSym1, int[] attributeIndices, RelationSymbol returnSym)
        {
            Console.WriteLine("Projector'ing...");

            var result = ProjectLocal(parameterSym1.Tuples, attributeIndices);

            returnSym.SetTuples(result);
        }
Ejemplo n.º 3
0
        public void TypeFilterRelation(RelationSymbol parameterSym1, Tuple <int, string>[] indexAndTypeNames, RelationSymbol returnSym)
        {
            Console.WriteLine("TypeFilter'ing...");

            var tuples    = parameterSym1.Tuples;
            var tuplesOut = GetTuples(tuples, indexAndTypeNames);

            returnSym.SetTuples(tuplesOut);
        }
Ejemplo n.º 4
0
        public void ReferenceRelAtt(RelationSymbol parameterSym1, string[] references, RelationSymbol returnSym)
        {
            var index = parameterSym1.Index.Value;

            if (references.Length == 1)
            {
                var firstTuples = ResolveReferenceTuplesIn(parameterSym1.Tuples, index, false, references[0]);
                returnSym.SetTuples(firstTuples);
            }
            else if (references.Length == 2)
            {
                var firstTuples = ResolveReferenceTuplesIn(parameterSym1.Tuples, index, false, references[0]);
                returnSym.SetTuples(ResolveReferenceTuplesIn(firstTuples, index + 1, true, references[1]));
            }
            else
            {
                throw new QueryException("The operation Dereferencer-relation has the wrong number of parameters");
            }
        }
Ejemplo n.º 5
0
        //only symbols and simple types in operators, no nodes
        //symbolTable, parameterSym1, ..., returnSym
        public void AttributeFilterRelAtt(RelationSymbol parameterSym1, PredicateNode[] predicateNodes, RelationSymbol returnSym)
        {
            Console.WriteLine("AttributeFilter'ing...");
            //var index = parameterSym1.Index.Value; todo remove index prop
            var attributes    = parameterSym1.Attributes;
            var indexAndPreps = predicateNodes.Select(p =>
                                                      new Tuple <int, PredicateNode>((p.FirstNode as AttributeAccessNode).RelAttNode.AttIndex, p));

            var result = parameterSym1.Tuples.Where(t => indexAndPreps.All(
                                                        indexAndPrep => AttributeSetTestLocal(t[indexAndPrep.Item1], indexAndPrep.Item2)));

            returnSym.SetTuples(result);
        }
Ejemplo n.º 6
0
        public void ReferenceSet(SetSymbol parameterSym1, string[] references, RelationSymbol returnSym)
        {
            Console.WriteLine("Dereferencer'ing...");

            if (references.Length == 1)
            {
                var firstPairs = ResolveReferenceSetIn(parameterSym1.Entites, references[0]);
                returnSym.SetTuples(firstPairs);
            }
            else if (references.Length == 2)
            {
                //pair original first arg
                var firstPairs = ResolveReferenceSetIn(parameterSym1.Entites, references[0]);

                //pair original second arg
                var secondPairs = ResolveReferenceTuplesIn(firstPairs, 1, true, references[1]);
                returnSym.SetTuples(secondPairs);
            }
            else
            {
                throw new QueryException("The operation Dereferencer-Set has the wrong number of parameters");
            }
        }
Ejemplo n.º 7
0
        //only symbols and simple types in operators, no nodes
        //symbolTable, parameterSym1, ..., returnSym

        public void TimeResolverRel(RelationSymbol parameterSym1, RelationSymbol returnSym)
        {
            Console.WriteLine("TimeResolver'ing...");

            var index  = parameterSym1.Index.Value;
            var tuples = deassociater.GetTuplesRelAtt(parameterSym1.Tuples, index, new [] { "ReferencedBy" }).ToArray();

            var lastIndex = returnSym.Attributes.Count - 2;

            tuples = dereferenceOperator.ResolveReferenceTuplesIn(tuples, lastIndex, false, "TaskTime").ToArray();

            var typeList = new List <Tuple <int, string> >()
            {
                new Tuple <int, string>(index, "IfcProduct"),
                new Tuple <int, string>(lastIndex, "IfcTask"),
                new Tuple <int, string>(lastIndex + 1, "IfcTaskTime"),
            };

            //type filtering ifcTask (plus products?)
            var tuplesTyped = typeFilter.GetTuples(tuples, typeList.ToArray());

            returnSym.SetTuples(tuplesTyped);
        }
Ejemplo n.º 8
0
 public void DeassociaterSet(SetSymbol parameterSym1, string[] exAtts, RelationSymbol returnSym)
 {
     Console.WriteLine("Deassociater'ing...");
     returnSym.SetTuples(GetTuplesSet(parameterSym1.Entites, exAtts));
 }
Ejemplo n.º 9
0
 public void DeassociaterRelAtt(RelationSymbol parameterSym1, string[] exAtts, RelationSymbol returnSym)
 {
     Console.WriteLine("Deassociater'ing...");
     returnSym.SetTuples(GetTuplesRelAtt(parameterSym1.Tuples, parameterSym1.Index.Value, exAtts));
 }