/// <summary>
        /// <seealso cref=" ADescribeDefinition"/>
        /// </summary>
        public override QueryResult GetResult(
            GQLPluginManager myPluginManager,
            IGraphDB myGraphDB,
            SecurityToken mySecurityToken,
            TransactionToken myTransactionToken)
        {
            var resultingVertices = new List<IVertexView>();
            ASonesException error = null;

            //aggregate name is not empty
            if (!String.IsNullOrEmpty(_AggregateName))
            {

                #region Specific aggregate

                //aggregate is user defined
                if (_AggregateName.Contains("."))
                {
                    try
                    {
                        //get plugin
                        var aggregate = myPluginManager.GetAndInitializePlugin<IGQLAggregate>(_AggregateName);

                        if (aggregate != null)
                        {
                            resultingVertices = new List<IVertexView>() { GenerateOutput(aggregate, _AggregateName) };
                        }
                        else
                        {
                            error = new AggregateOrFunctionDoesNotExistException(typeof(IGQLAggregate), _AggregateName, "");
                        }
                    }
                    catch (ASonesException e)
                    {
                        error = new AggregateOrFunctionDoesNotExistException(typeof(IGQLAggregate), _AggregateName, "", e);
                    }
                }
                //try get aggregate
                else
                {
                    try
                    {
                        //get plugin
                        var aggregate = myPluginManager.GetAndInitializePlugin<IGQLAggregate>(_AggregateName);

                        if (aggregate != null)
                        {
                            resultingVertices = new List<IVertexView>() { GenerateOutput(aggregate, _AggregateName) };
                        }
                        else
                        {
                            error = new AggregateOrFunctionDoesNotExistException(typeof(IGQLAggregate), _AggregateName, "");
                        }
                    }
                    catch (ASonesException e)
                    {
                        //maybe user forgot prefix 'sones.'
                        try
                        {
                            //get plugin
                            var aggregate = myPluginManager.GetAndInitializePlugin<IGQLAggregate>("SONES." + _AggregateName);

                            if (aggregate != null)
                            {
                                resultingVertices = new List<IVertexView>() { GenerateOutput(aggregate, "SONES." + _AggregateName) };
                            }
                            else
                            {
                                error = new AggregateOrFunctionDoesNotExistException(typeof(IGQLAggregate), _AggregateName, "");
                            }
                        }
                        catch (ASonesException ee)
                        {
                            error = new AggregateOrFunctionDoesNotExistException(typeof(IGQLAggregate), _AggregateName, "", e);
                        }
                    }
                }

                #endregion

            }
            else
            {

                #region All aggregates

                myPluginManager.GetPluginsForType<IGQLAggregate>();
                foreach (var aggregateName in myPluginManager.GetPluginsForType<IGQLAggregate>())
                {
                    try
                    {
                        var aggregate = myPluginManager.GetAndInitializePlugin<IGQLAggregate>(aggregateName);

                        if (aggregate != null)
                        {
                            resultingVertices.Add(GenerateOutput(aggregate, aggregateName));
                        }
                        else
                        {
                            error = new AggregateOrFunctionDoesNotExistException(typeof(IGQLAggregate), _AggregateName, "");
                        }
                    }
                    catch (ASonesException e)
                    {
                        error = new AggregateOrFunctionDoesNotExistException(typeof(IGQLAggregate), _AggregateName, "", e);
                    }
                }

                #endregion

            }

            //an error occured
            if(error != null)
                return new QueryResult("", SonesGQLConstants.GQL, 0L, ResultType.Failed, resultingVertices, error);
            else
                return new QueryResult("", SonesGQLConstants.GQL, 0L, ResultType.Successful, resultingVertices);
        }
Exemple #2
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        public override QueryResult GetResult(
            GQLPluginManager myPluginManager,
            IGraphDB myGraphDB,
            SecurityToken mySecurityToken,
            Int64 myTransactionToken)
        {
            var resultingVertices = new List<IVertexView>();
            ASonesException error = null;

            if (!String.IsNullOrEmpty(_FuncName))
            {

                #region Specific function

                //aggregate is user defined z.b. sones.exist or another.exist
                if (_FuncName.Contains("."))
                {
                    try
                    {
                        //get plugin
                        var func = myPluginManager.GetAndInitializePlugin<IGQLFunction>(_FuncName);

                        if (func != null)
                        {
                            resultingVertices = new List<IVertexView>() { GenerateOutput(func, _FuncName) };
                        }
                        else
                        {
                            error = new AggregateOrFunctionDoesNotExistException(typeof(IGQLFunction), _FuncName, "");
                        }
                    }
                    catch (ASonesException e)
                    {
                        error = new AggregateOrFunctionDoesNotExistException(typeof(IGQLFunction), _FuncName, "", e);
                    }
                }
                //try get function
                else
                {
                    try
                    {
                        //get plugin
                        var func = myPluginManager.GetAndInitializePlugin<IGQLFunction>(_FuncName);

                        if (func != null)
                        {
                            resultingVertices = new List<IVertexView>() { GenerateOutput(func, _FuncName) };
                        }
                        else
                        {
                            error = new AggregateOrFunctionDoesNotExistException(typeof(IGQLFunction), _FuncName, "");
                        }
                    }
                    catch (ASonesException e)
                    {
                        //maybe user forgot prefix 'sones.'
                        try
                        {
                            //get plugin
                            var func = myPluginManager.GetAndInitializePlugin<IGQLFunction>("SONES." + _FuncName);

                            if (func != null)
                            {
                                resultingVertices = new List<IVertexView>() { GenerateOutput(func, "SONES." + _FuncName) };
                            }
                            else
                            {
                                error = new AggregateOrFunctionDoesNotExistException(typeof(IGQLFunction), _FuncName, "");
                            }
                        }
                        catch (ASonesException)
                        {
                            error = new AggregateOrFunctionDoesNotExistException(typeof(IGQLFunction), _FuncName, "", e);
                        }
                    }
                }

                #endregion

            }

            else
            {

                #region All functions

                myPluginManager.GetPluginNameForType<IGQLFunction>();
                foreach (var funcName in myPluginManager.GetPluginNameForType<IGQLFunction>())
                {
                    try
                    {
                        //get plugin
                        var func = myPluginManager.GetAndInitializePlugin<IGQLFunction>(funcName);

                        if (func != null)
                        {
                            resultingVertices.Add(GenerateOutput(func, funcName));
                        }
                        else
                        {
                            error = new AggregateOrFunctionDoesNotExistException(typeof(IGQLFunction), funcName, "");
                        }
                    }
                    catch (ASonesException e)
                    {
                        error = new AggregateOrFunctionDoesNotExistException(typeof(IGQLFunction), funcName, "", e);
                    }
                }

                #endregion

            }

            if(error != null)
                return new QueryResult("", SonesGQLConstants.GQL, 0L, ResultType.Failed, resultingVertices, error);
            else
                return new QueryResult("", SonesGQLConstants.GQL, 0L, ResultType.Successful, resultingVertices);
        }