public final class BackStep<S,E> extends MapStep<S,E> implements EngineDependent
id, label, nextEnd, nextStep, previousStep, starts, traversal, traverserStepIdSetByChild
Constructor and Description |
---|
BackStep(Traversal.Admin traversal,
String stepLabel) |
Modifier and Type | Method and Description |
---|---|
Set<TraverserRequirement> |
getRequirements()
Provide the necessary
TraverserRequirement that must be met by the traverser in order for the step to function properly. |
protected E |
map(Traverser.Admin<S> traverser) |
void |
onEngine(TraversalEngine traversalEngine) |
String |
toString() |
processNextStart
addStart, addStarts, clone, getId, getLabel, getNextStep, getPreviousStep, getTraversal, hasNext, next, reset, setId, setLabel, setNextStep, setPreviousStep, setTraversal
equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
forEachRemaining, remove
public BackStep(Traversal.Admin traversal, String stepLabel)
public void onEngine(TraversalEngine traversalEngine)
onEngine
in interface EngineDependent
public Set<TraverserRequirement> getRequirements()
Step
TraverserRequirement
that must be met by the traverser in order for the step to function properly.
The provided default implements returns an empty set.getRequirements
in interface Step<S,E>
getRequirements
in class MapStep<S,E>
public String toString()
toString
in class AbstractStep<S,E>
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