本文整理匯總了Golang中github.com/lytics/cayley/graph.Iterator.Clone方法的典型用法代碼示例。如果您正苦於以下問題：Golang Iterator.Clone方法的具體用法？Golang Iterator.Clone怎麽用？Golang Iterator.Clone使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類github.com/lytics/cayley/graph.Iterator的用法示例。
在下文中一共展示了Iterator.Clone方法的2個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Golang代碼示例。
示例1: OutputQueryShapeForIterator
func OutputQueryShapeForIterator(it graph.Iterator, qs graph.QuadStore, outputMap map[string]interface{}) {
s := &queryShape{
qs: qs,
nodeID: 1,
}
node := s.MakeNode(it.Clone())
s.AddNode(node)
outputMap["nodes"] = s.nodes
outputMap["links"] = s.links
}示例2: buildIteratorTreeHelper
//.........這裏部分代碼省略.........
and.AddSubIterator(hasa)
and.AddSubIterator(subIt)
it = and
case "morphism":
it = base
case "and":
arg, _ := obj.Get("_gremlin_values")
firstArg, _ := arg.Object().Get("0")
if !isVertexChain(firstArg.Object()) {
return iterator.NewNull()
}
argIt := buildIteratorTree(firstArg.Object(), qs)
and := iterator.NewAnd(qs)
and.AddSubIterator(subIt)
and.AddSubIterator(argIt)
it = and
case "back":
arg, _ := obj.Get("_gremlin_back_chain")
argIt := buildIteratorTree(arg.Object(), qs)
and := iterator.NewAnd(qs)
and.AddSubIterator(subIt)
and.AddSubIterator(argIt)
it = and
case "is":
fixed := qs.FixedIterator()
for _, name := range stringArgs {
fixed.Add(qs.ValueOf(name))
}
and := iterator.NewAnd(qs)
and.AddSubIterator(fixed)
and.AddSubIterator(subIt)
it = and
case "or":
arg, _ := obj.Get("_gremlin_values")
firstArg, _ := arg.Object().Get("0")
if !isVertexChain(firstArg.Object()) {
return iterator.NewNull()
}
argIt := buildIteratorTree(firstArg.Object(), qs)
or := iterator.NewOr()
or.AddSubIterator(subIt)
or.AddSubIterator(argIt)
it = or
case "both":
// Hardly the most efficient pattern, but the most general.
// Worth looking into an Optimize() optimization here.
clone := subIt.Clone()
it1 := buildInOutIterator(obj, qs, subIt, false)
it2 := buildInOutIterator(obj, qs, clone, true)
or := iterator.NewOr()
or.AddSubIterator(it1)
or.AddSubIterator(it2)
it = or
case "out":
it = buildInOutIterator(obj, qs, subIt, false)
case "follow":
// Follow a morphism
arg, _ := obj.Get("_gremlin_values")
firstArg, _ := arg.Object().Get("0")
if isVertexChain(firstArg.Object()) {
return iterator.NewNull()
}
it = buildIteratorTreeHelper(firstArg.Object(), qs, subIt)
case "followr":
// Follow a morphism
arg, _ := obj.Get("_gremlin_followr")
if isVertexChain(arg.Object()) {
return iterator.NewNull()
}
it = buildIteratorTreeHelper(arg.Object(), qs, subIt)
case "in":
it = buildInOutIterator(obj, qs, subIt, true)
case "except":
arg, _ := obj.Get("_gremlin_values")
firstArg, _ := arg.Object().Get("0")
if !isVertexChain(firstArg.Object()) {
return iterator.NewNull()
}
allIt := qs.NodesAllIterator()
toComplementIt := buildIteratorTree(firstArg.Object(), qs)
notIt := iterator.NewNot(toComplementIt, allIt)
and := iterator.NewAnd(qs)
and.AddSubIterator(subIt)
and.AddSubIterator(notIt)
it = and
case "in_predicates":
it = buildInOutPredicateIterator(obj, qs, subIt, true)
case "out_predicates":
it = buildInOutPredicateIterator(obj, qs, subIt, false)
}
if it == nil {
panic("Iterator building does not catch the output iterator in some case.")
}
return it
}