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

Class AddEdgeStep

java.lang.Object

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

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

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

All Implemented Interfaces:

Serializable, Cloneable, Iterator<Traverser<Edge>>, Step<Vertex,Edge>, Mutating<EventCallback<Event.EdgeAddedEvent>>

public final class AddEdgeStep
extends FlatMapStep<Vertex,Edge>
implements Mutating<EventCallback<Event.EdgeAddedEvent>>

Author:

Marko A. Rodriguez (http://markorodriguez.com), Stephen Mallette (http://stephen.genoprime.com)

See Also:

Serialized Form

Field Summary

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

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

Constructor Summary

Constructors

Constructor and Description
AddEdgeStep(Traversal.Admin traversal, Direction direction, String edgeLabel, Iterator<Vertex> vertices, Object... keyValues)
AddEdgeStep(Traversal.Admin traversal, Direction direction, String edgeLabel, Vertex vertex, Object... keyValues)

Method Summary

Modifier and Type	Method and Description
void	addCallback(EventCallback<Event.EdgeAddedEvent> edgeAddedEventEventCallback)
void	clearCallbacks()
protected Iterator<Edge>	flatMap(Traverser.Admin<Vertex> traverser)
List<EventCallback<Event.EdgeAddedEvent>>	getCallbacks()
Direction	getDirection()
String	getEdgeLabel()
Object[]	getKeyValues()
Set<TraverserRequirement>	getRequirements() Provide the necessary TraverserRequirement that must be met by the traverser in order for the step to function properly.
List<Vertex>	getVertices()
void	removeCallback(EventCallback<Event.EdgeAddedEvent> edgeAddedEventEventCallback)

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

addStart, addStarts, clone, getId, getLabel, getNextStep, getPreviousStep, getTraversal, hasNext, next, 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

AddEdgeStep

public AddEdgeStep(Traversal.Admin traversal,
                   Direction direction,
                   String edgeLabel,
                   Vertex vertex,
                   Object... keyValues)

AddEdgeStep

public AddEdgeStep(Traversal.Admin traversal,
                   Direction direction,
                   String edgeLabel,
                   Iterator<Vertex> vertices,
                   Object... keyValues)

Method Detail

getDirection

public Direction getDirection()

getEdgeLabel

public String getEdgeLabel()

getKeyValues

public Object[] getKeyValues()

getVertices

public List<Vertex> getVertices()

flatMap

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

Specified by:

flatMap in class FlatMapStep<Vertex,Edge>

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.

Specified by:

getRequirements in interface Step<Vertex,Edge>

Returns:

the set of requirements

addCallback

public void addCallback(EventCallback<Event.EdgeAddedEvent> edgeAddedEventEventCallback)

Specified by:

addCallback in interface Mutating<EventCallback<Event.EdgeAddedEvent>>

removeCallback

public void removeCallback(EventCallback<Event.EdgeAddedEvent> edgeAddedEventEventCallback)

Specified by:

removeCallback in interface Mutating<EventCallback<Event.EdgeAddedEvent>>

clearCallbacks

public void clearCallbacks()

Specified by:

clearCallbacks in interface Mutating<EventCallback<Event.EdgeAddedEvent>>

getCallbacks

public List<EventCallback<Event.EdgeAddedEvent>> getCallbacks()

Specified by:

getCallbacks in interface Mutating<EventCallback<Event.EdgeAddedEvent>>