コード例 #1
0
        private static ReportCondition ReportConditionFromRule(ReportConditionalFormatRule rule, ReportColumn column)
        {
            ReportCondition reportCondition = new ReportCondition();

            if (rule.Operator.HasValue && rule.Operator != ConditionType.Unspecified)
            {
                string alias = "oper" + rule.Operator.ToString();
                reportCondition.Operator = Entity.Get <OperatorEnum>(new EntityRef(alias));
            }

            Parameter parameter = reportCondition.ConditionParameter != null?reportCondition.ConditionParameter.AsWritable <Parameter>() : new Parameter();

            // Clear the old parameter
            if (parameter.ParamTypeAndDefault != null)
            {
                parameter.ParamTypeAndDefault.AsWritable().Delete();
            }
            // Force entity resource list for argument if we have entities
            ActivityArgument activityArgument = null;

            if (rule.Values != null && rule.Values.Count > 0)
            {
                ResourceListArgument resourceList = new ResourceListArgument();
                foreach (KeyValuePair <long, string> valuePair in rule.Values)
                {
                    Resource resource = Entity.Get <Resource>(valuePair.Key);
                    if (resource != null)
                    {
                        resourceList.ResourceListParameterValues.Add(resource);
                    }
                }
                TypedArgument argumentType = column.ColumnExpression.ReportExpressionResultType.As <TypedArgument>();
                resourceList.ConformsToType = argumentType.ConformsToType;
                activityArgument            = resourceList.As <ActivityArgument>();
                activityArgument.Save();
            }
            else if (rule.Operator.HasValue)
            {
                int operatorCount = ConditionTypeHelper.GetArgumentCount(rule.Operator.Value);
                if (operatorCount > 0)
                {
                    activityArgument = ReportConditionHelper.ArgumentForConditionType(column.ColumnExpression.ReportExpressionResultType, rule.Operator.Value, rule.Value);
                    activityArgument.Save();
                }
            }
            parameter.ParamTypeAndDefault = activityArgument;
            parameter.Save();
            reportCondition.ConditionParameter = parameter;
            return(reportCondition);
        }
コード例 #2
0
        public void TestLoopOverNoResultsUsingUnsetListVar()
        {
            using (new WorkflowRunContext {
                RunTriggersInCurrentThread = true
            })
            {
                var wf = new Workflow();

                wf.AddDefaultExitPoint();

                var loopList = new ResourceListArgument()
                {
                    Name = "loopList"
                };
                ActivityTestHelper.AddVariableToWorkflow(wf, loopList.As <ActivityArgument>());
                //ActivityHelper.AddExpressionToWorkflowVariable(wf, "list", "0");

                var forEach1 = new ForEachResource
                {
                    Name = "foreach1" + DateTime.Now
                };
                var forEach1As = forEach1.As <WfActivity>();

                ActivityTestHelper.AddExpressionToActivityArgument(wf, forEach1As, "List", "loopList");  // there shouldn't be any

                wf.FirstActivity = forEach1As;
                wf.ContainedActivities.Add(forEach1As);

                var loopExitPoint = Entity.Get <ExitPoint>(ForeachImplementation.LoopExitPointAlias);

                ActivityTestHelper.AddTransition(wf, forEach1As, forEach1As, loopExitPoint);
                ActivityTestHelper.AddTermination(wf, forEach1As);

                wf.Save();
                ToDelete.Add(wf.Id);

                var run = (RunWorkflow(wf));

                IDictionary <string, object> outputs = run.GetOutput();
            }
        }
コード例 #3
0
        private static void PopulateValueFromArgument(ActivityArgument argument, ReportAnalyserColumn reportColumn)
        {
            if (argument.Is <StringArgument>())
            {
                StringArgument stringArgument = argument.As <StringArgument>();
                reportColumn.Value = stringArgument.StringParameterValue;
            }
            else if (argument.Is <IntegerArgument>())
            {
                IntegerArgument integerArgument = argument.As <IntegerArgument>();
                if (integerArgument.IntParameterValue != null)
                {
                    reportColumn.Value = integerArgument.IntParameterValue.ToString();
                }
            }
            else if (argument.Is <CurrencyArgument>())
            {
                CurrencyArgument currencyArgument = argument.As <CurrencyArgument>();
                if (currencyArgument.DecimalParameterValue != null)
                {
                    reportColumn.Value = currencyArgument.DecimalParameterValue.ToString();
                }
            }
            else if (argument.Is <DecimalArgument>())
            {
                DecimalArgument decimalArgument = argument.As <DecimalArgument>();
                if (decimalArgument.DecimalParameterValue != null)
                {
                    reportColumn.Value = decimalArgument.DecimalParameterValue.ToString();
                }
            }
            else if (argument.Is <DateArgument>())
            {
                DateArgument dateArgument = argument.As <DateArgument>();

                if (dateArgument.DateParameterValue != null)
                {
                    //convert the date value to YYYY-MM-DD format
                    DateTime dateValue = (DateTime)dateArgument.DateParameterValue;
                    reportColumn.Value = dateValue.ToString("yyyy-MM-dd");
                }
            }
            else if (argument.Is <TimeArgument>())
            {
                TimeArgument timeArgument = argument.As <TimeArgument>();
                if (timeArgument.TimeParameterValue != null)
                {
                    //convert the time value to YYYY-MM-DDTHH:mm:ssZ format
                    DateTime timeValue = (DateTime)timeArgument.TimeParameterValue;
                    reportColumn.Value = timeValue.ToString("yyyy-MM-ddTHH:mm:ssZ");
                }
            }
            else if (argument.Is <DateTimeArgument>())
            {
                DateTimeArgument dateTimeArgument = argument.As <DateTimeArgument>();
                if (dateTimeArgument.DateTimeParameterValue != null)
                {
                    //convert the datetime value to YYYY-MM-DDTHH:mm:ssZ format
                    DateTime dateTimeValue = (DateTime)dateTimeArgument.DateTimeParameterValue;
                    reportColumn.Value = dateTimeValue.ToString("yyyy-MM-ddTHH:mm:ssZ");
                }
            }
            else if (argument.Is <GuidArgument>())
            {
                GuidArgument guidArgument = argument.As <GuidArgument>();
                if (guidArgument.GuidParameterValue != null)
                {
                    reportColumn.Value = guidArgument.GuidParameterValue.ToString();
                }
            }
            else if (argument.Is <BoolArgument>())
            {
                BoolArgument boolArgument = argument.As <BoolArgument>();
                if (boolArgument.BoolParameterValue != null)
                {
                    reportColumn.Value = boolArgument.BoolParameterValue.ToString();
                }
            }
            else if (argument.Is <TypedArgument>())
            {
                TypedArgument typedArgument = argument.As <TypedArgument>();
                EntityType    type          = Entity.Get <EntityType>(typedArgument.ConformsToType);
                if (type.IsOfType.FirstOrDefault(t => t.Alias == "core:enumType") != null)
                {
                    // A choice field
                    reportColumn.Type = new ChoiceRelationshipType();
                }
                else
                {
                    // Is a related resource
                    reportColumn.Type = new InlineRelationshipType();
                }
                ResourceListArgument rla = argument.As <ResourceListArgument>();
                if (rla.ResourceListParameterValues != null && rla.ResourceListParameterValues.Count > 0)
                {
                    Dictionary <long, string> values = new Dictionary <long, string>();
                    foreach (Resource resourceListParameterValue in rla.ResourceListParameterValues)
                    {
                        values[resourceListParameterValue.Id] = resourceListParameterValue.Name;
                    }
                    reportColumn.Values = values;
                }
            }
        }
コード例 #4
0
        public static ActivityArgument ArgumentForConditionType(ActivityArgument reportColumnExpressionType, string value)
        {
            IEntity result;

            if (reportColumnExpressionType.Is <StringArgument>())
            {
                result = new StringArgument {
                    StringParameterValue = value
                };
            }
            else if (reportColumnExpressionType.Is <IntegerArgument>())
            {
                int intValue;
                result = !int.TryParse(value, out intValue) ? new IntegerArgument() : new IntegerArgument {
                    IntParameterValue = intValue
                };
            }
            else if (reportColumnExpressionType.Is <CurrencyArgument>())
            {
                decimal currencyValue;
                result = !decimal.TryParse(value, out currencyValue) ? new CurrencyArgument() : new CurrencyArgument {
                    DecimalParameterValue = currencyValue
                };
            }
            else if (reportColumnExpressionType.Is <DecimalArgument>())
            {
                decimal decimalValue;
                result = !decimal.TryParse(value, out decimalValue) ? new DecimalArgument() : new DecimalArgument {
                    DecimalParameterValue = decimalValue
                };
            }
            else if (reportColumnExpressionType.Is <DateArgument>())
            {
                DateTime dateValue;
                result = !DateTime.TryParse(value, out dateValue) ? new DateArgument() : new DateArgument {
                    DateParameterValue = dateValue
                };
            }
            else if (reportColumnExpressionType.Is <TimeArgument>())
            {
                DateTime timeValue;
                result = !DateTime.TryParse(value, out timeValue) ? new TimeArgument() : new TimeArgument {
                    TimeParameterValue = timeValue
                };
            }
            else if (reportColumnExpressionType.Is <DateTimeArgument>())
            {
                DateTime dateTimeValue;
                result = !DateTime.TryParse(value, out dateTimeValue) ? new DateTimeArgument() : new DateTimeArgument {
                    DateTimeParameterValue = dateTimeValue
                };
            }
            else if (reportColumnExpressionType.Is <GuidArgument>())
            {
                Guid guidValue;
                result = !Guid.TryParse(value, out guidValue) ? new GuidArgument() : new GuidArgument {
                    GuidParameterValue = guidValue
                };
            }
            else if (reportColumnExpressionType.Is <BoolArgument>())
            {
                bool boolValue;
                result = !bool.TryParse(value, out boolValue) ? new BoolArgument() : new BoolArgument {
                    BoolParameterValue = boolValue
                };
            }
            else if (reportColumnExpressionType.Is <ResourceArgument>())
            {
                // Convert the value to an entityId
                TypedArgument tResult = reportColumnExpressionType.As <TypedArgument>();
                long          entityId;
                result = new ResourceArgument
                {
                    ResourceParameterValue = long.TryParse(value, out entityId) ? Entity.Get(entityId).As <Resource>() : new Resource(),
                    ConformsToType         = tResult.ConformsToType
                };
            }
            else if (reportColumnExpressionType.Is <ResourceListArgument>())
            {
                TypedArgument tResult = reportColumnExpressionType.As <TypedArgument>();
                long          entityId;
                result = new ResourceListArgument
                {
                    ResourceListParameterValues = new EntityCollection <Resource>
                    {
                        long.TryParse(value, out entityId) ? Entity.Get(entityId).As <Resource>() : new Resource()
                    },
                    ConformsToType = tResult.ConformsToType
                };
            }
            else
            {
                throw new Exception("Unhandled expression result type");
            }

            // Caller must save
            return(result.As <ActivityArgument>());
        }
コード例 #5
0
        /// <summary>
        /// Typeds the value from entity.
        /// </summary>
        /// <param name="argument">The argument.</param>
        /// <returns>List{TypedValue}.</returns>
        /// <exception cref="System.Exception">Unhandled expression result type</exception>
        public static List <TypedValue> TypedValueFromEntity(ActivityArgument argument)
        {
            List <TypedValue> typedValues = new List <TypedValue>();
            TypedValue        typedValue  = new TypedValue();

            if (argument == null)
            {
                typedValue.Type = DatabaseType.UnknownType;
                typedValues.Add(typedValue);
            }
            else if (argument.Is <StringArgument>())
            {
                typedValue.Type = DatabaseType.StringType;
                StringArgument stringArgument = argument.As <StringArgument>();
                if (stringArgument.StringParameterValue != null)
                {
                    typedValue.Value = stringArgument.StringParameterValue;
                }
                typedValues.Add(typedValue);
            }
            else if (argument.Is <IntegerArgument>())
            {
                typedValue.Type = DatabaseType.Int32Type;
                IntegerArgument integerArgument = argument.As <IntegerArgument>();
                if (integerArgument.IntParameterValue.HasValue)
                {
                    typedValue.Value = integerArgument.IntParameterValue.Value;
                }
                typedValues.Add(typedValue);
            }
            else if (argument.Is <CurrencyArgument>())
            {
                typedValue.Type = DatabaseType.CurrencyType;
                CurrencyArgument currencyArgument = argument.As <CurrencyArgument>();
                if (currencyArgument.DecimalParameterValue.HasValue)
                {
                    typedValue.Value = currencyArgument.DecimalParameterValue.Value;
                }
                typedValues.Add(typedValue);
            }
            else if (argument.Is <DecimalArgument>())
            {
                typedValue.Type = DatabaseType.DecimalType;
                DecimalArgument decimalArgument = argument.As <DecimalArgument>();
                if (decimalArgument.DecimalParameterValue.HasValue)
                {
                    typedValue.Value = decimalArgument.DecimalParameterValue.Value;
                }
                typedValues.Add(typedValue);
            }
            else if (argument.Is <DateArgument>())
            {
                typedValue.Type = DatabaseType.DateType;
                DateArgument dateArgument = argument.As <DateArgument>();
                if (dateArgument.DateParameterValue.HasValue)
                {
                    typedValue.Value = dateArgument.DateParameterValue.Value;
                }
                typedValues.Add(typedValue);
            }
            else if (argument.Is <TimeArgument>())
            {
                typedValue.Type = DatabaseType.TimeType;
                TimeArgument timeArgument = argument.As <TimeArgument>();
                if (timeArgument.TimeParameterValue.HasValue)
                {
                    typedValue.Value = timeArgument.TimeParameterValue.Value;
                }
                typedValues.Add(typedValue);
            }
            else if (argument.Is <DateTimeArgument>())
            {
                typedValue.Type = DatabaseType.DateTimeType;
                DateTimeArgument dateTimeArgument = argument.As <DateTimeArgument>();
                if (dateTimeArgument.DateTimeParameterValue.HasValue)
                {
                    typedValue.Value = dateTimeArgument.DateTimeParameterValue.Value;
                }
                typedValues.Add(typedValue);
            }
            else if (argument.Is <GuidArgument>())
            {
                typedValue.Type = DatabaseType.GuidType;
                GuidArgument guidArgument = argument.As <GuidArgument>();
                if (guidArgument.GuidParameterValue.HasValue)
                {
                    typedValue.Value = guidArgument.GuidParameterValue.Value;
                }
                typedValues.Add(typedValue);
            }
            else if (argument.Is <BoolArgument>())
            {
                typedValue.Type = DatabaseType.BoolType;
                BoolArgument boolArgument = argument.As <BoolArgument>();
                if (boolArgument.BoolParameterValue.HasValue)
                {
                    typedValue.Value = boolArgument.BoolParameterValue.Value;
                }
                typedValues.Add(typedValue);
            }
            else if (argument.Is <ResourceArgument>())
            {
                TypedArgument typedArgument = argument.As <TypedArgument>();
                if (typedArgument != null && typedArgument.ConformsToType != null)
                {
                    // Interrogate to get it's base type
                    EntityType type     = Entity.Get <EntityType>(typedArgument.ConformsToType.Id);
                    EntityRef  enumType = new EntityRef("core", "enumValue");
                    if (type.GetAncestorsAndSelf().FirstOrDefault(a => a.Id == enumType.Id) != null)
                    {
                        typedValue.Type = DatabaseType.ChoiceRelationshipType;
                    }
                    else
                    {
                        typedValue.Type = DatabaseType.InlineRelationshipType;
                    }
                }

                ResourceArgument resourceArgument = argument.As <ResourceArgument>();
                if (resourceArgument.ResourceParameterValue != null)
                {
                    // Is this an enum type (or are any of it's base types an enum type??
                    var conformsToType = resourceArgument.ConformsToType;
                    typedValue.SourceEntityTypeId = conformsToType != null ? conformsToType.Id : 0;
                    typedValue.Value = resourceArgument.ResourceParameterValue.Id;
                }
                typedValues.Add(typedValue);
            }
            else if (argument.Is <ResourceListArgument>())
            {
                TypedArgument typedArgument = argument.As <TypedArgument>();
                if (typedArgument != null && typedArgument.ConformsToType != null)
                {
                    // Interrogate to get it's base type
                    EntityType type     = Entity.Get <EntityType>(typedArgument.ConformsToType.Id);
                    EntityRef  enumType = new EntityRef("core", "enumValue");
                    if (type.GetAncestorsAndSelf().FirstOrDefault(a => a.Id == enumType.Id) != null)
                    {
                        typedValue.Type = DatabaseType.ChoiceRelationshipType;
                    }
                    else
                    {
                        typedValue.Type = DatabaseType.InlineRelationshipType;
                    }
                }
                ResourceListArgument resourceList = argument.As <ResourceListArgument>();
                if (resourceList.ResourceListParameterValues == null || resourceList.ResourceListParameterValues.Count <= 0)
                {
                    typedValues.Add(typedValue);
                }
                else
                {
                    typedValues.AddRange(resourceList.ResourceListParameterValues.Select(parameterValue => new TypedValue
                    {
                        Type = typedValue.Type, SourceEntityTypeId = resourceList.ConformsToType.Id, Value = parameterValue.Id
                    }));
                }
            }
            else
            {
                // Throw as we cannot convert type:(
                throw new Exception("Unhandled expression result type");
            }

            return(typedValues);
        }
コード例 #6
0
        /// <summary>
        /// Method for creating typed values from DatabaseType.
        /// Caller must save.
        /// </summary>
        /// <param name="typedValue"></param>
        /// <param name="forceResourceLists"></param>
        /// <returns></returns>
        public static ActivityArgument CreateTypedValueEntity(TypedValue typedValue, bool forceResourceLists = false)
        {
            DatabaseType dbType = typedValue.Type;
            IEntity      result;

            if (dbType is UnknownType || dbType == null)
            {
                return(null);
            }
            if (dbType is StringType || dbType is XmlType)
            {
                result = new StringArgument {
                    StringParameterValue = (string)typedValue.Value
                };
            }
            else if (dbType is Int32Type) // includes autonumber
            {
                result = new IntegerArgument {
                    IntParameterValue = (int?)typedValue.Value
                };
            }
            else if (dbType is CurrencyType)
            {
                result = new CurrencyArgument {
                    DecimalParameterValue = (decimal?)typedValue.Value
                };
            }
            else if (dbType is DecimalType)
            {
                result = new DecimalArgument {
                    DecimalParameterValue = (decimal?)typedValue.Value
                };
            }
            else if (dbType is DateType)
            {
                result = new DateArgument {
                    DateParameterValue = (DateTime?)typedValue.Value
                };
            }
            else if (dbType is TimeType)
            {
                result = new TimeArgument {
                    TimeParameterValue = (DateTime?)typedValue.Value
                };
            }
            else if (dbType is DateTimeType)
            {
                result = new DateTimeArgument {
                    DateTimeParameterValue = (DateTime?)typedValue.Value
                };
            }
            else if (dbType is GuidType)
            {
                result = new GuidArgument {
                    GuidParameterValue = (Guid?)typedValue.Value
                };
            }
            else if (dbType is BoolType)
            {
                result = new BoolArgument {
                    BoolParameterValue = (bool?)typedValue.Value
                };
            }
            else if (dbType is ChoiceRelationshipType || dbType is InlineRelationshipType || dbType is IdentifierType)
            {
                // Hmm.. not sure if this is a good idea for identifier types..

                long targetId;
                if (typedValue.Value == null || !long.TryParse(typedValue.Value.ToString(), out targetId))
                {
                    targetId = 0;
                }

                IEntity target = targetId > 0 ? Entity.Get(targetId) : null;

                if (forceResourceLists)
                {
                    var resourceListArgument = new ResourceListArgument();
                    if (target != null)
                    {
                        resourceListArgument.ResourceListParameterValues.Add(target.As <Resource>());
                    }
                    result = resourceListArgument;
                }
                else
                {
                    var resourceArgument = new ResourceArgument();
                    if (target != null)
                    {
                        resourceArgument.ResourceParameterValue = target.As <Resource>();
                    }
                    result = resourceArgument;
                }

                TypedArgument tResult = result.As <TypedArgument>();
                if (typedValue.SourceEntityTypeId > 0)
                {
                    var targetType = Entity.Get <EntityType>(typedValue.SourceEntityTypeId);
                    tResult.ConformsToType = targetType;
                }
            }
            else
            {
                // IdentifierType
                // BinaryType
                // StructureLevelsType
                throw new Exception("Unhandled expression result type: " + dbType.GetType().Name);
            }

            // Caller must save
            return(result.As <ActivityArgument>());
        }
コード例 #7
0
        /// <summary>
        /// Method for creating typed values from DatabaseType.
        /// Caller must save.
        /// </summary>
        /// <param name="dbType"></param>
        /// <param name="forceResourceLists"></param>
        /// <returns></returns>
        public static ActivityArgument CreateTypedValueEntity(DatabaseType dbType, bool forceResourceLists = false)
        {
            IEntity result;

            if (dbType is UnknownType || dbType == null)
            {
                return(null);
            }
            if (dbType is StringType || dbType is XmlType)
            {
                result = new StringArgument();
            }
            else if (dbType is Int32Type) // includes autonumber
            {
                result = new IntegerArgument();
            }
            else if (dbType is CurrencyType)
            {
                result = new CurrencyArgument();
            }
            else if (dbType is DecimalType)
            {
                result = new DecimalArgument();
            }
            else if (dbType is DateType)
            {
                result = new DateArgument();
            }
            else if (dbType is TimeType)
            {
                result = new TimeArgument();
            }
            else if (dbType is DateTimeType)
            {
                result = new DateTimeArgument();
            }
            else if (dbType is GuidType)
            {
                result = new GuidArgument();
            }
            else if (dbType is BoolType)
            {
                result = new BoolArgument();
            }
            else if (dbType is ChoiceRelationshipType || dbType is InlineRelationshipType || dbType is IdentifierType)
            {
                // Hmm.. not sure if this is a good idea for identifier types..
                if (forceResourceLists)
                {
                    result = new ResourceListArgument();
                }
                else
                {
                    result = new ResourceArgument();
                }
            }
            else
            {
                // IdentifierType
                // BinaryType
                // StructureLevelsType
                throw new Exception("Unhandled expression result type: " + dbType.GetType().Name);
            }

            // Caller must save
            return(result.As <ActivityArgument>());
        }
コード例 #8
0
        public void SimpleCountingLoop( )
        {
            using (new WorkflowRunContext {
                RunTriggersInCurrentThread = true
            })
            {
                var wf = new Workflow()
                {
                    Name = "Simple Counting " + DateTime.Now
                };

                wf.AddDefaultExitPoint();

                var input = new ResourceListArgument
                {
                    Name = "in"
                };

                wf.InputArguments.Add(input.As <ActivityArgument>());

                var output = new IntegerArgument
                {
                    Name = "out"
                };

                wf.OutputArguments.Add(output.As <ActivityArgument>());

                var employeeType = Entity.Get <EntityType>(new EntityRef("test", "employee"));

                wf.AddVariable <IntegerArgument>("Count")
                .AddAssignToVar("Assign To Count", "0", "Count")
                .AddForEach("foreach1", "in", "test:employee")
                .AddAssignToVar("Assign To Count 2", "[Count] + 1", "Count", "foreach1", "Loop")
                .AddTransition("Assign To Count 2", "foreach1");

                ActivityTestHelper.AddAssignToVar(wf, "AssignOutput", "Count", "out");

                ActivityTestHelper.AddMissingExpressionParametersToWorkflow(wf);

                wf.Save();

                var createdCount = 15;
                var resources    = Enumerable.Range(0, createdCount).Select(v => new Person()
                {
                    Name = v.ToString()
                }).ToList();
                Entity.Save(resources);

                var wfInput = new Dictionary <string, object>
                {
                    {
                        "in", resources
                    }
                };

                var run = (RunWorkflow(wf, wfInput));

                IDictionary <string, object> outputs = run.GetOutput();

                Assert.AreEqual(1, outputs.Count, "There is one output argument");

                var result = (int)outputs["out"];

                Assert.AreEqual(createdCount, result, "The loop ran the correct number of times");
            }
        }
コード例 #9
0
        /// <summary>Given an arg inst and a value create and activityArgument ready for storage.</summary>
        /// <param name="activity">The <see cref="WfActivity"/> being run. This cannot be null.</param>
        /// <param name="arg">The argument for the activity. This cannot be null.</param>
        /// <param name="value">The value of the argument. Its type is determined by <paramref name="arg"/>. This may be null for certain argument types.</param>
        /// <returns>The converted value.</returns>
        /// <exception cref="ArgumentNullException">Neither <paramref name="activity"/> nor <paramref name="arg"/> can be null.</exception>
        /// <exception cref="ArgumentException"><paramref name="arg"/> must be of a supported type.</exception>
        public static ActivityArgument ConvertArgInstValue(WfActivity activity, ActivityArgument arg, object value)
        {
            if (activity == null)
            {
                throw new ArgumentNullException(nameof(activity));
            }
            if (arg == null)
            {
                throw new ArgumentNullException(nameof(arg));
            }

            ActivityArgument result;

            string name = $"{activity.Name ?? "[Unnamed]"}.{arg.Name ?? "[Unnamed]"}";

            if (arg.Is <ResourceListArgument>())
            {
                var list    = (IEnumerable <IEntity>)value;
                var created = new ResourceListArgument {
                    Name = name
                };
                if (list != null)
                {
                    var cleanList = list.Where(e => e != null).Select(e => e.As <Resource>());
                    created.ResourceListParameterValues.AddRange(cleanList);
                }
                result = created.As <ActivityArgument>();
            }
            else if (arg.Is <ResourceArgument>())
            {
                var res     = (IEntity)value;
                var created = new ResourceArgument {
                    Name = name, ResourceParameterValue = res?.As <Resource>()
                };
                result = created.As <ActivityArgument>();
            }
            else if (arg.Is <StringArgument>())
            {
                var created = new StringArgument {
                    Name = name, StringParameterValue = (string)value
                };
                result = created.As <ActivityArgument>();
            }
            else if (arg.Is <BoolArgument>())
            {
                var created = new BoolArgument {
                    Name = name, BoolParameterValue = (bool?)value ?? false
                };
                result = created.As <ActivityArgument>();
            }
            else if (arg.Is <IntegerArgument>())
            {
                var created = new IntegerArgument {
                    Name = name, IntParameterValue = (int?)value ?? 0
                };
                result = created.As <ActivityArgument>();
            }
            else if (arg.Is <DecimalArgument>())
            {
                var created = new DecimalArgument {
                    Name = name, DecimalParameterValue = (decimal?)value ?? 0
                };
                result = created.As <ActivityArgument>();
            }
            else if (arg.Is <CurrencyArgument>())
            {
                var created = new CurrencyArgument {
                    Name = name, DecimalParameterValue = (decimal?)value ?? 0
                };
                result = created.As <ActivityArgument>();
            }
            else if (arg.Is <DateTimeArgument>())
            {
                var created = new DateTimeArgument {
                    Name = name, DateTimeParameterValue = (DateTime?)value
                };
                result = created.As <ActivityArgument>();
            }
            else if (arg.Is <DateArgument>())
            {
                var created = new DateArgument {
                    Name = name, DateParameterValue = (DateTime?)value
                };
                result = created.As <ActivityArgument>();
            }
            else if (arg.Is <TimeArgument>())
            {
                // ensure that timeparametervalue only ever holds a datetime
                var dt = value is TimeSpan?TimeType.NewTime((TimeSpan)value) : (DateTime?)value;

                var created = new TimeArgument {
                    Name = name, TimeParameterValue = dt
                };
                result = created.As <ActivityArgument>();
            }
            else if (arg.Is <GuidArgument>())
            {
                var created = new GuidArgument {
                    Name = name, GuidParameterValue = (Guid?)value ?? Guid.Empty
                };
                result = created.As <ActivityArgument>();
            }
            else
            {
                throw new ArgumentException($"Unsupported ActivityArgument '{arg.IsOfType.First().Name}' in '{name}'", "arg");
            }

            return(result);
        }