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

Class MergeVertexStepPlaceholder<S>

java.lang.Object

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

org.apache.tinkerpop.gremlin.process.traversal.step.map.FlatMapStep<S,E>

org.apache.tinkerpop.gremlin.process.traversal.step.map.AbstractMergeElementStepPlaceholder<S,Vertex>

org.apache.tinkerpop.gremlin.process.traversal.step.map.MergeVertexStepPlaceholder<S>

All Implemented Interfaces:

Serializable, AutoCloseable, Cloneable, Iterator<Traverser.Admin<Vertex>>, Step<S,Vertex>, Deleting<Event>, GValueHolder<S,Vertex>, MergeStepContract<S,Vertex,Map>, Mutating<Event>, PopContaining, PropertiesHolder, TraversalOptionParent<Merge,S,Map>, TraversalParent, Writing<Event>

public class MergeVertexStepPlaceholder<S>
extends AbstractMergeElementStepPlaceholder<S,Vertex>

Implementation for the mergeV() step covering both the start step version and the one used mid-traversal.

See Also:

• Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.tinkerpop.gremlin.process.traversal.step.PopContaining

PopContaining.PopInstruction

Field Summary

Fields inherited from class org.apache.tinkerpop.gremlin.process.traversal.step.map.AbstractMergeElementStepPlaceholder

isStart, mergeTraversal, onCreateTraversal, onMatchTraversal, properties

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

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

Fields inherited from interface org.apache.tinkerpop.gremlin.process.traversal.step.map.MergeStepContract

CONCRETE_STEPS

Constructor Summary

Constructors

Constructor	Description
MergeVertexStepPlaceholder(Traversal.Admin traversal, boolean isStart)
MergeVertexStepPlaceholder(Traversal.Admin traversal, boolean isStart, Map<Object,Object> merge)
MergeVertexStepPlaceholder(Traversal.Admin traversal, boolean isStart, GValue<Map<Object,Object>> merge)
MergeVertexStepPlaceholder(Traversal.Admin traversal, boolean isStart, Traversal.Admin<?,Map<Object,Object>> mergeTraversal)

Method Summary

Modifier and Type	Method	Description
void	addChildOption(Merge token, Traversal.Admin traversalOption)	The child as defined by the token it takes, like Pick or Merge.
MergeVertexStep<S>	asConcreteStep()
static void	validateMapInput(Map map, boolean ignoreTokens)

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

addProperty, clone, equals, flatMap, getGValues, getLocalChildren, getMergeMapWithGValue, getMergeTraversal, getMutatingCallbackRegistry, getOnCreateMapWithGValue, getOnCreateTraversal, getOnMatchMapWithGValue, getOnMatchTraversal, getProperties, getPropertiesWithGValues, getRequirements, hashCode, isFirst, isParameterized, isStart, isUsingPartitionStrategy, removeProperty, setMerge, setOnCreate, setOnMatch, setTraversal, updateVariable

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

closeIterator, processNextStart, reset

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

addLabel, addStart, addStarts, clearLabels, getId, getLabels, getNextStep, getPreviousStep, getStarts, getTraversal, hasNext, hasStarts, isTraverserStepIdAndLabelsSetByChild, next, prepareTraversalForNextStep, removeLabel, setId, setNextStep, setPreviousStep, toString

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.GValueHolder

reduce

Methods inherited from interface java.util.Iterator

forEachRemaining, hasNext, next, remove

Methods inherited from interface org.apache.tinkerpop.gremlin.process.traversal.step.map.MergeStepContract

reset

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

addLabel, addStart, addStarts, clearLabels, equals, getId, getLabels, getNextStep, getPreviousStep, getTraversal, hasStarts, removeLabel, reset, setId, setNextStep, setPreviousStep

Methods inherited from interface org.apache.tinkerpop.gremlin.process.traversal.step.TraversalParent

addGlobalChild, addLocalChild, asStep, close, getGlobalChildren, getPopInstructions, getSelfAndChildRequirements, integrateChild, removeGlobalChild, removeLocalChild, replaceLocalChild

Constructor Details

MergeVertexStepPlaceholder

public MergeVertexStepPlaceholder(Traversal.Admin traversal,
 boolean isStart)

MergeVertexStepPlaceholder

public MergeVertexStepPlaceholder(Traversal.Admin traversal,
 boolean isStart,
 Map<Object,Object> merge)

MergeVertexStepPlaceholder

public MergeVertexStepPlaceholder(Traversal.Admin traversal,
 boolean isStart,
 GValue<Map<Object,Object>> merge)

MergeVertexStepPlaceholder

public MergeVertexStepPlaceholder(Traversal.Admin traversal,
 boolean isStart,
 Traversal.Admin<?,Map<Object,Object>> mergeTraversal)

Method Details

validateMapInput

public static void validateMapInput(Map map,
 boolean ignoreTokens)

asConcreteStep

public MergeVertexStep<S> asConcreteStep()

addChildOption

public void addChildOption(Merge token,
 Traversal.Admin traversalOption)

Description copied from interface: TraversalOptionParent

The child as defined by the token it takes, like Pick or Merge. This traversal may be of local or global scope depending on the step implementation that works with option().