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-rw-r--r--extra/mag/magrefs-mem.go33
1 files changed, 22 insertions, 11 deletions
diff --git a/extra/mag/magrefs-mem.go b/extra/mag/magrefs-mem.go
index 403e021..ea7f207 100644
--- a/extra/mag/magrefs-mem.go
+++ b/extra/mag/magrefs-mem.go
@@ -13,6 +13,7 @@ import (
"os"
"strconv"
"strings"
+ "sync/atomic"
_ "github.com/mattn/go-sqlite3"
"github.com/miku/parallel"
@@ -21,6 +22,8 @@ import (
var (
mappingFile = flag.String("f", "", "two column TSV with key and value")
cache = make(map[int]string)
+
+ edgeMissingDOI int64 // number of edges that have one or zero DOI, but not both
)
func populateCache(r io.Reader, cache map[int]string) error {
@@ -69,27 +72,34 @@ func main() {
log.Fatal(err)
}
pp := parallel.NewProcessor(os.Stdin, os.Stdout, func(p []byte) ([]byte, error) {
- fields := strings.Split(string(p), "\t")
+ var (
+ s, t, v, w string
+ source, target int
+ err error
+ ok bool
+ complete = true
+ fields = strings.Split(string(p), "\t")
+ )
if len(fields) < 2 {
return nil, nil
}
- s, t := strings.TrimSpace(fields[0]), strings.TrimSpace(fields[1])
- source, err := strconv.Atoi(s)
- if err != nil {
+ s, t = strings.TrimSpace(fields[0]), strings.TrimSpace(fields[1])
+ if source, err = strconv.Atoi(s); err != nil {
log.Printf("skipping invalid source id: %s (%v)", s, err)
return nil, nil
}
- target, err := strconv.Atoi(t)
- if err != nil {
+ if target, err = strconv.Atoi(t); err != nil {
log.Printf("skipping invalid target id: %s (%v)", t, err)
return nil, nil
}
- v, ok := cache[source]
- if !ok {
- return nil, nil
+ if v, ok = cache[source]; !ok {
+ complete = false
+ }
+ if w, ok = cache[target]; !ok {
+ complete = false
}
- w, ok := cache[target]
- if !ok {
+ if !complete {
+ atomic.AddInt64(&edgeMissingDOI, 1)
return nil, nil
}
line := fmt.Sprintf("%s\t%s\n", v, w)
@@ -98,4 +108,5 @@ func main() {
if err := pp.Run(); err != nil {
log.Fatal(err)
}
+ log.Printf("edges without DOI: %d", edgeMissingDOI)
}