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

Class MergeEdgeStepPlaceholder<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,Edge>

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

All Implemented Interfaces:

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

public class MergeEdgeStepPlaceholder<S>
extends AbstractMergeElementStepPlaceholder<S,Edge>

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

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
MergeEdgeStepPlaceholder(Traversal.Admin traversal, boolean isStart)
MergeEdgeStepPlaceholder(Traversal.Admin traversal, boolean isStart, Map<Object,Object> merge)
MergeEdgeStepPlaceholder(Traversal.Admin traversal, boolean isStart, GValue<Map<Object,Object>> merge)
MergeEdgeStepPlaceholder(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.
MergeEdgeStep<S>	asConcreteStep()
boolean	equals(Object o)
int	hashCode()
static void	validateMapInput(Map map, boolean ignoreTokens)

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

addProperty, clone, flatMap, getGValues, getLocalChildren, getMergeMapWithGValue, getMergeTraversal, getMutatingCallbackRegistry, getOnCreateMapWithGValue, getOnCreateTraversal, getOnMatchMapWithGValue, getOnMatchTraversal, getProperties, getPropertiesWithGValues, getRequirements, 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 Detail

MergeEdgeStepPlaceholder

public MergeEdgeStepPlaceholder(Traversal.Admin traversal,
                                boolean isStart)

MergeEdgeStepPlaceholder

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

MergeEdgeStepPlaceholder

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

MergeEdgeStepPlaceholder

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

Method Detail

validateMapInput

public static void validateMapInput(Map map,
                                    boolean ignoreTokens)

equals

public boolean equals(Object o)

Overrides:

equals in class AbstractMergeElementStepPlaceholder<S,Edge>

hashCode

public int hashCode()

Overrides:

hashCode in class AbstractMergeElementStepPlaceholder<S,Edge>

asConcreteStep

public MergeEdgeStep<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().