func testTextFile() {
flag.Parse()
ctx := gopark.NewContext("gopark")
defer ctx.Stop()
p := "."
txt := ctx.TextFileExt(p, "")
fm := txt.FlatMap(flatmap_func)
fm = fm.Map(map_func)
fm = fm.ReduceByKey(reducer_func)
counts := fm
ff := counts.Filter(filter_func)
mm := ff.CollectAsMap()
fmt.Printf("Word count > 30:%#v\n", mm)
fmt.Println("TopN=-10\n==========")
t1 := counts.TopN(-10, less_func)
for k, v := range t1 {
fmt.Printf("k, v: %#v %#v\n", k, v)
}
fmt.Println("Top10\n==========")
t2 := counts.Top10(less_func)
for k, v := range t2 {
fmt.Printf("k, v: %#v %#v\n", k, v)
}
}
func testPi() {
flag.Parse()
ctx := gopark.NewContext("gopark")
defer ctx.Stop()
N := 100
data := make([]interface{}, N)
iters := ctx.ParallelizeN(data, 20)
iters.Foreach(random_once)
fmt.Println("Pi =", (4.0 * count.Value().(float64) / float64(N)))
}
func saveTextFile() {
ctx := gopark.NewContext("gopark")
defer ctx.Stop()
file := ctx.TextFile("wc.go")
words := file.FlatMap(fn).Map(fnMap)
fm := words.ReduceByKey(fnReduce)
tt := fm.Map(map_string)
abc := tt.SaveAsTextFileM("abc/", "", true, true)
fmt.Printf("%#v\n", abc)
}
func CountPI1() {
flag.Parse()
ctx := gopark.NewContext("gopark")
defer ctx.Stop()
N := 10000
data := make([]interface{}, N)
iters := ctx.ParallelizeN(data, 20)
iters.Foreach(random_once)
val := count.Value().(float64)
fmt.Println(val)
fmt.Printf("Pi = %f \n", (4.0 * val / float64(N)))
}
func CountPI2() {
flag.Parse()
N := 5000
ctx := gopark.NewContext("gopark")
defer ctx.Stop()
data := make([]interface{}, N)
iters := ctx.ParallelizeN(data, 10)
m := iters.Map(map_func)
count := m.Reduce(reducer_func).(int)
fmt.Println(count)
fmt.Printf("Pi = %f \n", (4.0 * float64(count) / float64(N)))
}
func Top10() {
ctx := gopark.NewContext("gopark")
defer ctx.Stop()
file := ctx.TextFile("wc.go")
words := file.FlatMap(fn).Map(fnMap)
fm := words.ReduceByKey(fnReduce)
fmt.Println("Top10\n==========")
t2 := fm.Top10(fnLess)
for k, v := range t2 {
fmt.Printf("k, v: %#v %#v\n", k, v)
}
}
func textSearch() {
ctx := gopark.NewContext("gopark")
defer ctx.Stop()
textfile := ctx.TextFileExt("./", ".go")
f := textfile.Map(fnMap_line)
log := f.Filter(filter_fn).Cache()
results := log.Collect()
fmt.Printf("results.: %#v\n", results)
fmt.Printf("glog.: %d\n", log.Count())
fmt.Printf("fatal: %d\n", log.Filter(filter_fatal).Count())
for _, line := range log.Filter(filter_info).Collect() {
fmt.Println(line)
}
}
func WC() {
ctx := gopark.NewContext("gopark")
defer ctx.Stop()
file := ctx.TextFile("wc.go")
words := file.FlatMap(fn).Map(fnMap)
wc := words.ReduceByKey(fnReduce).CollectAsMap()
if len(wc) <= 0 {
panic("wc is nil")
} else {
fmt.Printf("=====>>%d func count %d\n", len(wc), wc[interface{}("func")])
for k, v := range wc {
fmt.Printf("k:%#v, v:%#v\n", k, v)
}
}
}
