public final class EmptyGraphTraversal<S,E> extends EmptyTraversal<S,E> implements GraphTraversal.Admin<S,E>, GraphTraversal<S,E>
GraphTraversal.Admin<S,E>
Traversal.Exceptions
Modifier and Type | Method and Description |
---|---|
<E2> GraphTraversal.Admin<S,E2> |
addStep(Step<?,E2> step)
Add a
Step to the end of the traversal. |
GraphTraversal.Admin<S,E> |
asAdmin()
Get access to administrative methods of the traversal via its accompanying
Traversal.Admin . |
EmptyGraphTraversal<S,E> |
clone()
Cloning is used to duplicate the traversal typically in OLAP environments.
|
static <A,B> EmptyGraphTraversal<A,B> |
instance() |
GraphTraversal<S,E> |
iterate()
Iterate all the
Traverser instances in the traversal. |
addStart, addStarts, addStep, applyStrategies, equals, getEngine, getGraph, getParent, getSideEffects, getSteps, getStrategies, getTraverserGenerator, getTraverserRequirements, hashCode, hasNext, isLocked, next, removeStep, setEngine, setGraph, setParent, setSideEffects, setStrategies
finalize, getClass, notify, notifyAll, toString, wait, wait, wait
addStart, addStarts, addStep, applyStrategies, equals, getEndStep, getEngine, getGraph, getParent, getSideEffects, getStartStep, getSteps, getStrategies, getTraverserGenerator, getTraverserRequirements, isLocked, removeStep, removeStep, reset, setEngine, setGraph, setParent, setSideEffects, setStrategies
addE, addInE, addOutE, addV, aggregate, and, as, barrier, barrier, both, bothE, bothV, branch, branch, by, by, by, by, by, by, by, by, by, by, cap, choose, choose, choose, choose, coalesce, coin, constant, count, count, cyclicPath, dedup, dedup, drop, emit, emit, emit, filter, filter, flatMap, flatMap, fold, fold, group, group, groupCount, groupCount, has, has, has, has, has, has, has, has, hasId, hasKey, hasLabel, hasNot, hasValue, id, identity, in, inE, inject, inV, is, is, key, label, limit, limit, local, map, map, mapKeys, mapValues, match, max, max, mean, mean, min, min, not, option, option, or, order, order, otherV, out, outE, outV, path, profile, properties, property, property, propertyMap, range, range, repeat, sack, sack, sack, sample, sample, select, select, select, select, sideEffect, sideEffect, simplePath, store, subgraph, sum, sum, tail, tail, tail, tail, timeLimit, times, to, toE, toV, tree, tree, unfold, union, until, until, value, valueMap, valueMap, values, where, where, where
fill, forEachRemaining, forEachRemaining, next, toBulkSet, toList, toSet, toStream, tryNext
public static <A,B> EmptyGraphTraversal<A,B> instance()
public GraphTraversal.Admin<S,E> asAdmin()
Traversal
Traversal.Admin
.public <E2> GraphTraversal.Admin<S,E2> addStep(Step<?,E2> step)
Traversal.Admin
Step
to the end of the traversal. This method should link the step to its next and previous step accordingly.addStep
in interface GraphTraversal.Admin<S,E>
addStep
in interface Traversal.Admin<S,E>
addStep
in class EmptyTraversal<S,E>
E2
- the output of the stepstep
- the step to addpublic GraphTraversal<S,E> iterate()
Traversal
Traverser
instances in the traversal.
What is returned is the empty traversal.
It is assumed that what is desired from the computation is are the sideEffects yielded by the traversal.public EmptyGraphTraversal<S,E> clone()
Traversal.Admin
clone
in interface GraphTraversal.Admin<S,E>
clone
in interface Traversal.Admin<S,E>
clone
in class EmptyTraversal<S,E>
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