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refactoring needle mapper interface to separate index file storage logic

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This commit is contained in:
Chris Lu
2013-04-18 00:23:14 -07:00
parent 915b16f97a
commit fb635146a1
4 changed files with 68 additions and 37 deletions
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22
go/storage/store.go
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@@ -121,9 +121,11 @@ func (s *Store) Status() []*VolumeInfo {
var stats []*VolumeInfo
for k, v := range s.volumes {
s := &VolumeInfo{Id: VolumeId(k), Size: v.ContentSize(),
RepType: v.ReplicaType, Version: v.Version(), FileCount: v.nm.fileCounter,
DeleteCount: v.nm.deletionCounter, DeletedByteCount: v.nm.deletionByteCounter,
ReadOnly: v.readOnly}
RepType: v.ReplicaType, Version: v.Version(),
FileCount: v.nm.FileCount(),
DeleteCount: v.nm.DeletedCount(),
DeletedByteCount: v.nm.DeletedSize(),
ReadOnly: v.readOnly}
stats = append(stats, s)
}
return stats
@@ -140,9 +142,11 @@ func (s *Store) Join() error {
stats := new([]*VolumeInfo)
for k, v := range s.volumes {
s := &VolumeInfo{Id: VolumeId(k), Size: uint64(v.Size()),
RepType: v.ReplicaType, Version: v.Version(), FileCount: v.nm.fileCounter,
DeleteCount: v.nm.deletionCounter, DeletedByteCount: v.nm.deletionByteCounter,
ReadOnly: v.readOnly}
RepType: v.ReplicaType, Version: v.Version(),
FileCount: v.nm.FileCount(),
DeleteCount: v.nm.DeletedCount(),
DeletedByteCount: v.nm.DeletedSize(),
ReadOnly: v.readOnly}
*stats = append(*stats, s)
}
bytes, _ := json.Marshal(stats)
@@ -175,8 +179,8 @@ func (s *Store) Close() {
func (s *Store) Write(i VolumeId, n *Needle) (size uint32, err error) {
if v := s.volumes[i]; v != nil {
if v.readOnly {
err = errors.New("Volume " + i.String() + " is read only!")
return
err = errors.New("Volume " + i.String() + " is read only!")
return
} else {
size, err = v.write(n)
if err != nil && s.volumeSizeLimit < v.ContentSize()+uint64(size) && s.volumeSizeLimit >= v.ContentSize() {
@@ -189,7 +193,7 @@ func (s *Store) Write(i VolumeId, n *Needle) (size uint32, err error) {
return
}
log.Println("volume", i, "not found!")
err = errors.New("Volume " + i.String() + " not found!")
err = errors.New("Volume " + i.String() + " not found!")
return
}
func (s *Store) Delete(i VolumeId, n *Needle) (uint32, error) {