Example #1
0
        public EdgeResult EvaluateCondition(IMapElement mapElement)
        {
            bool isEdge            = false;
            bool isIncluded        = false;
            bool hasValidCondition = false;

            foreach (IEdgeCondOp conditionOperation in ConditionOperations)
            {
                EdgeResult evalResult = conditionOperation.EvaluateCondition(mapElement);

                /// If the operation we were given has a null Condition then we don't want to include this as it will dirty our result.
                if (evalResult.IsEdge.HasValue)
                {
                    hasValidCondition = true;
                    isEdge           |= evalResult.IsEdge.Value;
                    isIncluded       |= evalResult.IsIncluded;

                    /// This is just to squeeze a little more performance. If isEdge is false and isIncluded is true
                    /// then we can safely assume nothing will further change these values (consider the OR and AND
                    /// operators being used for each) and so we can end early.
                    if (isEdge && isIncluded)
                    {
                        break;
                    }
                }
            }

            if (hasValidCondition)
            {
                return(new EdgeResult()
                {
                    IsEdge = isEdge, IsIncluded = isIncluded
                });
            }
            else
            {
                return(new EdgeResult()
                {
                    IsEdge = null, IsIncluded = false
                });
            }
        }
        public QueryResponse QueryMap(IGlymaSession glymaSession, Guid domainId, Guid nodeId, int maxDepth, bool isFullDomainSearch, EdgeConditions edgeConditions, FilterConditions filterConditions, int objectIndex, bool isCompressed)
        {
            if (!isCompressed)
            {
                TransactionalMappingToolServiceCommonBase.SoftObjectLimit = 3000;
                TransactionalMappingToolServiceCommonBase.HardObjectLimit = 4000;
            }
            else
            {
                TransactionalMappingToolServiceCommonBase.SoftObjectLimit = 5500;
                TransactionalMappingToolServiceCommonBase.HardObjectLimit = 6500;
            }

            using (IDbConnectionAbstraction mapDbConnection = glymaSession.ConnectionFactory.CreateMapDbConnection())
            {
                SqlCommand queryMapCommand = new SqlCommand("QueryMap", mapDbConnection.Connection);
                queryMapCommand.CommandType = CommandType.StoredProcedure;
                queryMapCommand.Parameters.Add(new SqlParameter("@DomainId", domainId));
                queryMapCommand.Parameters.Add(new SqlParameter("@NodeId", nodeId));
                queryMapCommand.Parameters.Add(new SqlParameter("@Depth", maxDepth));
                queryMapCommand.Parameters.Add(new SqlParameter("@FullDomain", isFullDomainSearch));

                mapDbConnection.Open();

                SqlDataReader queryMapResults = queryMapCommand.ExecuteReader();

                QueryResponse queryResponse = new QueryResponse();

                List <Node>[] orderedNodes = new List <Node> [maxDepth + 1];

                do
                {
                    while (queryMapResults.Read())
                    {
                        if (queryMapResults.GetSchemaTable().Select("ColumnName = 'Level'").Length > 0)
                        {
                            Node node = new Node();
                            node.LoadElement(queryMapResults);

                            List <Node> nodes;

                            if (orderedNodes[node.Depth] != null)
                            {
                                nodes = orderedNodes[node.Depth];
                            }
                            else
                            {
                                nodes = new List <Node>();
                                orderedNodes[node.Depth] = nodes;
                            }

                            nodes.Add(node);

                            queryResponse.AddNode(node);
                        }
                        else if (queryMapResults.GetSchemaTable().Select("ColumnName = 'MetadataId'").Length > 0)
                        {
                            Metadata metadata = new Metadata();
                            metadata.LoadElement(queryMapResults);

                            queryResponse.AddMetadata(metadata);
                        }
                        else if (queryMapResults.GetSchemaTable().Select("ColumnName = 'DescriptorUid'").Length > 0)
                        {
                            Descriptor descriptor = new Descriptor();
                            descriptor.LoadElement(queryMapResults);

                            queryResponse.AddDescriptor(descriptor);
                        }
                        else if (queryMapResults.GetSchemaTable().Select("ColumnName = 'RelationshipUid'").Length > 0)
                        {
                            Relationship relationship = new Relationship();
                            relationship.LoadElement(queryMapResults);

                            queryResponse.AddRelationship(relationship);
                        }
                    }
                }while (queryMapResults.NextResult());

                mapDbConnection.Close();

                try
                {
                    mapDbConnection.Open();
                    AuditLogItem logItem = new AuditLogItem(mapDbConnection.Connection);
                    logItem.OperationName = "QueryMap";
                    //logItem.CallingUrl = callingUrl;
                    logItem.DomainUid        = domainId;
                    logItem.NodeUid          = nodeId;
                    logItem.RootMapUid       = null;
                    logItem.MaxDepth         = maxDepth;
                    logItem.ObjectIndex      = objectIndex;
                    logItem.EdgeConditions   = null;
                    logItem.FilterConditions = null;
                    logItem.SearchConditions = null;
                    logItem.PageNumber       = null;
                    logItem.PageSize         = null;
                    logItem.Commit();
                    mapDbConnection.Close();
                }
                catch
                {
                    /// Don't do anything. This is here because audit logging is a very low importance task and we don't want it potentially killing the more important tasks at hand.
                }

                if (!queryResponse.Nodes.ContainsKey(nodeId))
                {
                    queryResponse.ErrorId      = 1;
                    queryResponse.ErrorMessage = "Provided node ID context doesn't exist";

                    return(queryResponse);
                }

                queryResponse.AttachElements();
                queryResponse.NodeContext = queryResponse.Nodes[nodeId];

                if (maxDepth > 0 && edgeConditions != null && edgeConditions.EdgeCondition != null)
                {
                    List <Guid> nodesToRemove         = new List <Guid>();
                    List <Guid> relationshipsToRemove = new List <Guid>();

                    List <Guid> boundaryNodes         = new List <Guid>();
                    List <Guid> boundaryRelationships = new List <Guid>();

                    for (int i = 1; i <= maxDepth; i++)
                    {
                        List <Node> nodes = orderedNodes[i];

                        foreach (Node node in nodes)
                        {
                            bool         isBoundaryNode         = false;
                            bool         isBoundaryRelationship = false;
                            bool         isNodeIncluded         = true;
                            bool         isRelationshipIncluded = true;
                            Relationship connectingRelationship = queryResponse.Relationships[node.ConnectingRelationship];

                            if (boundaryNodes.Contains(node.Origin))
                            {
                                isBoundaryNode         = true;
                                isBoundaryRelationship = true;
                                isNodeIncluded         = false;
                                isRelationshipIncluded = false;
                            }
                            else
                            {
                                EdgeResult relationshipEvalResult = edgeConditions.EdgeCondition.EvaluateCondition(connectingRelationship);

                                if (relationshipEvalResult.IsEdge.HasValue && relationshipEvalResult.IsEdge.Value)
                                {
                                    // THis means the relationship was evaluated to be a boundary edge.
                                    isBoundaryRelationship = true;
                                    isRelationshipIncluded = relationshipEvalResult.IsIncluded;
                                }

                                EdgeResult nodeEvalResult = edgeConditions.EdgeCondition.EvaluateCondition(node);

                                if (nodeEvalResult.IsEdge.HasValue && nodeEvalResult.IsEdge.Value)
                                {
                                    // This means the node was evaluated to be a boundary edge.
                                    isBoundaryNode = true;
                                    isNodeIncluded = nodeEvalResult.IsIncluded;
                                    // The inclusion value for the node trumps the relationship value as the relationship is dependent on the node existing anyway.
                                    isRelationshipIncluded = isNodeIncluded;
                                }
                                else if (isBoundaryRelationship)
                                {
                                    // If the relationship was discovered to be a boundary then this node will be a boundary edge too.
                                    isBoundaryNode = true;
                                    isNodeIncluded = isRelationshipIncluded;
                                }
                            }

                            if (isBoundaryNode)
                            {
                                boundaryNodes.Add(node.NodeUid);
                            }

                            if (isBoundaryRelationship)
                            {
                                boundaryRelationships.Add(connectingRelationship.RelationshipUid);
                            }

                            if (!isNodeIncluded)
                            {
                                nodesToRemove.Add(node.NodeUid);
                            }

                            if (!isRelationshipIncluded)
                            {
                                relationshipsToRemove.Add(connectingRelationship.RelationshipUid);
                            }
                        }
                    }

                    foreach (Guid nodeIdToRemove in nodesToRemove)
                    {
                        queryResponse.Nodes.Remove(nodeIdToRemove);
                    }

                    foreach (Guid relationshipIdToRemove in relationshipsToRemove)
                    {
                        queryResponse.Relationships.Remove(relationshipIdToRemove);
                    }
                }

                int totalObjects = queryResponse.CountObjects();

                queryResponse.Domain           = new Domain();
                queryResponse.Domain.DomainUid = domainId;

                if (totalObjects > TransactionalMappingToolServiceCommonBase.HardObjectLimit || objectIndex > 0)
                {
                    return(queryResponse.GetPage(objectIndex));
                }

                return(queryResponse);
            }
        }