https://github.com/etcd-io/etcd
Tip revision: f9d27c37aa9bc12a51a6675e93cae454415aa3fa authored by Brandon Philips on 07 February 2014, 23:57:08 UTC
Merge pull request #548 from philips/0.3.0
Merge pull request #548 from philips/0.3.0
Tip revision: f9d27c3
node_extern.go
package store
import (
"sort"
"time"
)
// NodeExtern is the external representation of the
// internal node with additional fields
// PrevValue is the previous value of the node
// TTL is time to live in second
type NodeExtern struct {
Key string `json:"key, omitempty"`
Value string `json:"value,omitempty"`
Dir bool `json:"dir,omitempty"`
Expiration *time.Time `json:"expiration,omitempty"`
TTL int64 `json:"ttl,omitempty"`
Nodes NodeExterns `json:"nodes,omitempty"`
ModifiedIndex uint64 `json:"modifiedIndex,omitempty"`
CreatedIndex uint64 `json:"createdIndex,omitempty"`
}
func (eNode *NodeExtern) loadInternalNode(n *node, recursive, sorted bool) {
if n.IsDir() { // node is a directory
eNode.Dir = true
children, _ := n.List()
eNode.Nodes = make(NodeExterns, len(children))
// we do not use the index in the children slice directly
// we need to skip the hidden one
i := 0
for _, child := range children {
if child.IsHidden() { // get will not return hidden nodes
continue
}
eNode.Nodes[i] = child.Repr(recursive, sorted)
i++
}
// eliminate hidden nodes
eNode.Nodes = eNode.Nodes[:i]
if sorted {
sort.Sort(eNode.Nodes)
}
} else { // node is a file
eNode.Value, _ = n.Read()
}
eNode.Expiration, eNode.TTL = n.ExpirationAndTTL()
}
type NodeExterns []*NodeExtern
// interfaces for sorting
func (ns NodeExterns) Len() int {
return len(ns)
}
func (ns NodeExterns) Less(i, j int) bool {
return ns[i].Key < ns[j].Key
}
func (ns NodeExterns) Swap(i, j int) {
ns[i], ns[j] = ns[j], ns[i]
}