Ejemplo n.º 1
0
func main() {
	input_channel := make(chan interface{})
	go func() {
		for i := 0; i < 100; i++ {
			// This helps reveal time-dependant bugs
			time.Sleep(1000000)
			input_channel <- i
		}
		close(input_channel)
	}()
	result := mapreduce.MapReduce(
		func(x interface{}, output chan interface{}) {
			fmt.Println("Mapping ", x)
			time.Sleep(100000000)
			output <- x.(int) * x.(int)
		},
		func(input chan interface{}, output chan interface{}) {
			total := 0
			for item := range input {
				fmt.Println("Reducing: ", item.(int))
				total += item.(int)
			}
			output <- total
		},
		input_channel, 10)

	if result.(int) != 328350 {
		fmt.Println(result.(int), "Unexpected MapReduce result")
	} else {
		fmt.Println("OK")
	}
}
Ejemplo n.º 2
0
func main() {
	fmt.Print(mapreduce.MapReduce(wordcount, reducer, find_files("."), 10))
}
func Count() interface{} {
	return mapreduce.MapReduce(countwords, reducer, find_files("./src"), 20)
}