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Simplify Nexter interface

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This change allows a Nexter to be used in the same manner as a scanner
using a for graph.Next(it) {} construction.

It is important that graph.Next(it) and any associated it.Result() calls
operate on the same iterator.
This commit is contained in:
kortschak 2014-08-01 09:15:02 +09:30
parent f8e28e066e
commit b1a70d99aa
31 changed files with 168 additions and 233 deletions
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6
graph/mongo/iterator.go
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@ -138,7 +138,7 @@ func (it *Iterator) Clone() graph.Iterator {
return m
}
func (it *Iterator) Next() (graph.Value, bool) {
func (it *Iterator) Next() bool {
var result struct {
Id string "_id"
//Sub string "Sub"
@ -151,10 +151,10 @@ func (it *Iterator) Next() (graph.Value, bool) {
if err != nil {
glog.Errorln("Error Nexting Iterator: ", err)
}
return nil, false
return false
}
it.result = result.Id
return result.Id, true
return true
}
func (it *Iterator) ResultTree() *graph.ResultTree {