com.tinkerpop.gremlin.process.graph.step.map

Class MapStep<S,E>

java.lang.Object

com.tinkerpop.gremlin.process.util.AbstractStep<S,E>

com.tinkerpop.gremlin.process.graph.step.map.MapStep<S,E>

All Implemented Interfaces:

Step<S,E>, java.lang.Cloneable, java.util.Iterator<Traverser<E>>

Direct Known Subclasses:

BackStep, EdgeOtherVertexStep, FoldStep, IdStep, KeyStep, LabelStep, PathStep, PropertyElementStep, PropertyMapStep, PropertyValueStep, SackStep, SelectStep

public class MapStep<S,E>
extends AbstractStep<S,E>

Author:

Marko A. Rodriguez (http://markorodriguez.com)

Field Summary

Fields inherited from class com.tinkerpop.gremlin.process.util.AbstractStep

id, label, nextEnd, nextStep, previousStep, PROFILING_ENABLED, starts, traversal, traverserStepIdSetByChild

Constructor Summary

Constructors

Constructor and Description
MapStep(Traversal traversal)

Method Summary

Modifier and Type	Method and Description
java.util.Set<TraverserRequirement>	getRequirements() Provide the necessary TraverserRequirement that must be met by the traverser in order for the step to function properly.
protected Traverser<E>	processNextStart()
void	setFunction(java.util.function.Function<Traverser<S>,E> function)

Methods inherited from class com.tinkerpop.gremlin.process.util.AbstractStep

addStart, addStarts, clone, getId, getLabel, getNextStep, getPreviousStep, getTraversal, hasNext, next, reset, setId, setLabel, setNextStep, setPreviousStep, setTraversal, toString

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.Iterator

forEachRemaining, remove

Constructor Detail

MapStep

public MapStep(Traversal traversal)

Method Detail

processNextStart

protected Traverser<E> processNextStart()

Specified by:

processNextStart in class AbstractStep<S,E>

setFunction

public void setFunction(java.util.function.Function<Traverser<S>,E> function)

getRequirements

public java.util.Set<TraverserRequirement> getRequirements()

Description copied from interface: Step

Provide the necessary TraverserRequirement that must be met by the traverser in order for the step to function properly. The provided default implements returns an empty set.

Returns:

the set of requirements