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add stream list directory entries

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This commit is contained in:
Chris Lu
2021-01-15 23:56:24 -08:00
parent 01dc8a43ba
commit a4063a5437
20 changed files with 267 additions and 242 deletions
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18
weed/filer/cassandra/cassandra_store.go
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@@ -168,11 +168,11 @@ func (store *CassandraStore) DeleteFolderChildren(ctx context.Context, fullpath
return nil
}
func (store *CassandraStore) ListDirectoryPrefixedEntries(ctx context.Context, dirPath util.FullPath, startFileName string, includeStartFile bool, limit int64, prefix string) (entries []*filer.Entry, hasMore bool, err error) {
return nil, false, filer.ErrUnsupportedListDirectoryPrefixed
func (store *CassandraStore) ListDirectoryPrefixedEntries(ctx context.Context, dirPath util.FullPath, startFileName string, includeStartFile bool, limit int64, prefix string, eachEntryFunc filer.ListEachEntryFunc) (lastFileName string, err error) {
return lastFileName, filer.ErrUnsupportedListDirectoryPrefixed
}
func (store *CassandraStore) ListDirectoryEntries(ctx context.Context, dirPath util.FullPath, startFileName string, includeStartFile bool, limit int64) (entries []*filer.Entry, hasMore bool, err error) {
func (store *CassandraStore) ListDirectoryEntries(ctx context.Context, dirPath util.FullPath, startFileName string, includeStartFile bool, limit int64, eachEntryFunc filer.ListEachEntryFunc) (lastFileName string, err error) {
if _, ok := store.isSuperLargeDirectory(string(dirPath)); ok {
return // nil, filer.ErrUnsupportedSuperLargeDirectoryListing
@@ -190,23 +190,21 @@ func (store *CassandraStore) ListDirectoryEntries(ctx context.Context, dirPath u
entry := &filer.Entry{
FullPath: util.NewFullPath(string(dirPath), name),
}
lastFileName = name
if decodeErr := entry.DecodeAttributesAndChunks(util.MaybeDecompressData(data)); decodeErr != nil {
err = decodeErr
glog.V(0).Infof("list %s : %v", entry.FullPath, err)
break
}
entries = append(entries, entry)
if !eachEntryFunc(entry) {
break
}
}
if err := iter.Close(); err != nil {
glog.V(0).Infof("list iterator close: %v", err)
}
hasMore = int64(len(entries)) == limit+1
if hasMore {
entries = entries[:limit]
}
return entries, hasMore, err
return lastFileName, err
}
func (store *CassandraStore) Shutdown() {