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Split's JoinStream now creates and returns a read only channel

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This commit is contained in:
Frederick F. Kautz IV 2014-12-16 09:36:32 +13:00
parent fa52e8b355
commit d73c57cff9
1 changed files with 8 additions and 3 deletions
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11
pkgs/split/split.go
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@ -95,7 +95,13 @@ func SplitStream(reader io.Reader, chunkSize uint64, ch chan SplitMessage) {
close(ch) close(ch)
} }
func JoinStream(dirname string, inputPrefix string, ch chan JoinMessage) { func JoinStream(dirname string, inputPrefix string) <-chan JoinMessage {
ch := make(chan JoinMessage)
go joinStreamGoRoutine(dirname, inputPrefix, ch)
return ch
}
func joinStreamGoRoutine(dirname string, inputPrefix string, ch chan JoinMessage) {
var readError error var readError error
var bytesBuffer bytes.Buffer var bytesBuffer bytes.Buffer
@ -147,8 +153,7 @@ func JoinFilesWithPrefix(dirname string, inputPrefix string, outputFile string)
return errors.New("Invalid output file") return errors.New("Invalid output file")
} }
ch := make(chan JoinMessage) ch := JoinStream(dirname, inputPrefix)
go JoinStream(dirname, inputPrefix, ch)
var multiReaders []io.Reader var multiReaders []io.Reader
var aggregatedLength int64 var aggregatedLength int64