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package main
import (
"flag"
"fmt"
"log"
"os"
"runtime"
jsoniter "github.com/json-iterator/go"
"git.archive.org/martin/cgraph/skate"
"git.archive.org/martin/cgraph/skate/parallel"
)
var (
numWorkers = flag.Int("w", runtime.NumCPU(), "number of workers")
batchSize = flag.Int("b", 100000, "batch size")
bestEffort = flag.Bool("B", false, "best effort, log errors")
// unmatched: clusters w/ refs only
// count: number of entities in cluster (by type)
// default: key and number of values
mode = flag.String("m", "", "what to extract (unmatched, count, ...)")
json = jsoniter.ConfigCompatibleWithStandardLibrary
bytesNewline = []byte("\n")
)
type Func func([]byte) ([]byte, error)
func main() {
flag.Parse()
var f Func
switch *mode {
case "unmatched":
f = func(p []byte) ([]byte, error) {
var cluster skate.ClusterResult
if err := json.Unmarshal(p, &cluster); err != nil {
if *bestEffort {
log.Printf("%v", err)
return nil, nil
}
log.Fatal(err)
}
var refs int
for _, v := range cluster.Values {
if v.Extra.Skate.Status == "ref" {
refs++
}
}
if refs == len(cluster.Values) {
return p, nil
}
return nil, nil
}
case "count":
f = func(p []byte) ([]byte, error) {
var cluster skate.ClusterResult
if err := json.Unmarshal(p, &cluster); err != nil {
if *bestEffort {
log.Printf("%v", err)
return nil, nil
}
log.Fatal(err)
}
var refs int
for _, v := range cluster.Values {
if v.Extra.Skate.Status == "ref" {
refs++
}
}
// total, refs, non-refs, key
s := fmt.Sprintf("%d\t%d\t%d\t%s\n",
len(cluster.Values), refs, len(cluster.Values)-refs, cluster.Key)
return []byte(s), nil
}
default:
f = func(p []byte) ([]byte, error) {
var cluster skate.ClusterResult
if err := json.Unmarshal(p, &cluster); err != nil {
return nil, err
}
s := fmt.Sprintf("%d\t%s\n", len(cluster.Values), cluster.Key)
return []byte(s), nil
}
}
pp := parallel.NewProcessor(os.Stdin, os.Stdout, f)
pp.NumWorkers = *numWorkers
pp.BatchSize = *batchSize
if err := pp.Run(); err != nil {
log.Fatal(err)
}
}
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