Beispiel #1
0
func (tm *TaskMaster) CreateTICKScope() *tick.Scope {
	scope := tick.NewScope()
	scope.Set("influxql", newInfluxQL())
	scope.Set("time", func(d time.Duration) time.Duration { return d })
	// Add dynamic methods to the scope for UDFs
	if tm.UDFService != nil {
		for _, f := range tm.UDFService.FunctionList() {
			f := f
			info, _ := tm.UDFService.FunctionInfo(f)
			scope.SetDynamicMethod(
				f,
				tick.DynamicMethod(func(self interface{}, args ...interface{}) (interface{}, error) {
					parent, ok := self.(pipeline.Node)
					if !ok {
						return nil, fmt.Errorf("cannot call %s on %T", f, self)
					}
					udf := pipeline.NewUDF(
						parent,
						f,
						info.Commander,
						info.Timeout,
						info.Wants,
						info.Provides,
						info.Options,
					)
					return udf, nil
				}),
			)
		}
	}
	return scope
}
Beispiel #2
0
func (tm *TaskMaster) CreateTICKScope() *stateful.Scope {
	scope := stateful.NewScope()
	scope.Set("time", groupByTime)
	// Add dynamic methods to the scope for UDFs
	if tm.UDFService != nil {
		for _, f := range tm.UDFService.List() {
			f := f
			info, _ := tm.UDFService.Info(f)
			scope.SetDynamicMethod(
				f,
				stateful.DynamicMethod(func(self interface{}, args ...interface{}) (interface{}, error) {
					parent, ok := self.(pipeline.Node)
					if !ok {
						return nil, fmt.Errorf("cannot call %s on %T", f, self)
					}
					udf := pipeline.NewUDF(
						parent,
						f,
						info.Wants,
						info.Provides,
						info.Options,
					)
					return udf, nil
				}),
			)
		}
	}
	return scope
}