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refactor(update) more clear dir checking

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This commit is contained in:
Xiang Li 2013-12-05 17:16:44 -05:00
parent 40d297be66
commit 4ba7d85d56
1 changed files with 8 additions and 15 deletions
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23
store/store.go
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@ -366,23 +366,16 @@ func (s *store) Update(nodePath string, newValue string, expireTime time.Time) (
e := newEvent(Update, nodePath, nextIndex, n.CreatedIndex)
eNode := e.Node
if len(newValue) != 0 {
if n.IsDir() {
// if the node is a directory, we cannot update value
s.Stats.Inc(UpdateFail)
return nil, etcdErr.NewError(etcdErr.EcodeNotFile, nodePath, currIndex)
}
eNode.PrevValue = n.Value
n.Write(newValue, nextIndex)
eNode.Value = newValue
} else {
// update value to empty
eNode.Value = n.Value
n.Value = ""
if n.IsDir() && len(newValue) != 0 {
// if the node is a directory, we cannot update value to non-empty
s.Stats.Inc(UpdateFail)
return nil, etcdErr.NewError(etcdErr.EcodeNotFile, nodePath, currIndex)
}
eNode.PrevValue = n.Value
n.Write(newValue, nextIndex)
eNode.Value = newValue
// update ttl
n.UpdateTTL(expireTime)