public abstract class MapStep<S,E> extends AbstractStep<S,E>
id, label, nextEnd, nextStep, previousStep, starts, traversal, traverserStepIdSetByChild
Constructor and Description |
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MapStep(Traversal.Admin traversal) |
Modifier and Type | Method and Description |
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Set<TraverserRequirement> |
getRequirements()
Provide the necessary
TraverserRequirement that must be met by the traverser in order for the step to function properly. |
protected abstract E |
map(Traverser.Admin<S> traverser) |
protected Traverser<E> |
processNextStart() |
addStart, addStarts, clone, getId, getLabel, getNextStep, getPreviousStep, getTraversal, hasNext, next, reset, setId, setLabel, setNextStep, setPreviousStep, setTraversal, toString
equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
forEachRemaining, remove
public MapStep(Traversal.Admin traversal)
protected Traverser<E> processNextStart()
processNextStart
in class AbstractStep<S,E>
protected abstract E map(Traverser.Admin<S> traverser)
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.Copyright © 2013–2015 Apache Software Foundation. All rights reserved.