org.apache.tinkerpop.gremlin.process.traversal.step.map

Class EdgeVertexStep

java.lang.Object

org.apache.tinkerpop.gremlin.process.traversal.step.util.AbstractStep<S,E>

org.apache.tinkerpop.gremlin.process.traversal.step.map.FlatMapStep<Edge,Vertex>

org.apache.tinkerpop.gremlin.process.traversal.step.map.EdgeVertexStep

All Implemented Interfaces:

Serializable, Cloneable, Iterator<Traverser<Vertex>>, Step<Edge,Vertex>

public final class EdgeVertexStep
extends FlatMapStep<Edge,Vertex>

Author:

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

See Also:

Serialized Form

Field Summary

Fields inherited from class org.apache.tinkerpop.gremlin.process.traversal.step.util.AbstractStep

id, labels, nextEnd, nextStep, previousStep, starts, traversal, traverserStepIdAndLabelsSetByChild

Constructor Summary

Constructors

Constructor and Description
EdgeVertexStep(Traversal.Admin traversal, Direction direction)

Method Summary

Modifier and Type	Method and Description
protected Iterator<Vertex>	flatMap(Traverser.Admin<Edge> traverser)
Direction	getDirection()
Set<TraverserRequirement>	getRequirements() Provide the necessary TraverserRequirement that must be met by the traverser in order for the step to function properly.
int	hashCode()
void	reverseDirection()
String	toString()

Methods inherited from class org.apache.tinkerpop.gremlin.process.traversal.step.map.FlatMapStep

processNextStart, reset

Methods inherited from class org.apache.tinkerpop.gremlin.process.traversal.step.util.AbstractStep

addLabel, addStart, addStarts, clone, equals, getId, getLabels, getNextStep, getPreviousStep, getTraversal, hasNext, next, removeLabel, setId, setNextStep, setPreviousStep, setTraversal

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.apache.tinkerpop.gremlin.process.traversal.Step

equals

Methods inherited from interface java.util.Iterator

forEachRemaining, remove

Constructor Detail

EdgeVertexStep

public EdgeVertexStep(Traversal.Admin traversal,
                      Direction direction)

Method Detail

flatMap

protected Iterator<Vertex> flatMap(Traverser.Admin<Edge> traverser)

Specified by:

flatMap in class FlatMapStep<Edge,Vertex>

toString

public String toString()

Overrides:

toString in class AbstractStep<Edge,Vertex>

hashCode

public int hashCode()

Overrides:

hashCode in class AbstractStep<Edge,Vertex>

getDirection

public Direction getDirection()

reverseDirection

public void reverseDirection()

getRequirements

public 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