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Viewing changes to state/watcher/watcher.go

  • Committer: Roger Peppe
  • Date: 2012-12-03 18:42:13 UTC
  • mto: (841.1.2 197-api-passwords)
  • mto: This revision was merged to the branch mainline in revision 883.
  • Revision ID: roger.peppe@canonical.com-20121203184213-9getgnjiipl2u2hm
rpc: initial commit

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state/watcher/watcher.go
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// field is observed to change after a transaction is applied. The revno
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// parameter holds the currently known revision number for the document.
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// Non-existent documents are represented by a -1 revno.
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func (w *Watcher) Watch(collection string, id interface{}, revno int64, ch chan<- Change) {
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        if id == nil {
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                panic("watcher: cannot watch a document with nil id")
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        }
 
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func (w *Watcher) Watch(collection string, id string, revno int64, ch chan<- Change) {
 
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//      if id == nil {
 
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//              panic("watcher: cannot watch a document with nil id")
 
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//      }
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        w.sendReq(reqWatch{watchKey{collection, id}, watchInfo{ch, revno}})
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}
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