public final class AggregateStep<S> extends CollectingBarrierStep<S> implements SideEffectCapable, TraversalParent, MapReducer<MapReduce.NullObject,Object,MapReduce.NullObject,Object,Collection>
| Modifier and Type | Class and Description |
|---|---|
static class |
AggregateStep.AggregateMapReduce |
id, labels, nextEnd, nextStep, previousStep, starts, traversal, traverserStepIdAndLabelsSetByChild| Constructor and Description |
|---|
AggregateStep(Traversal.Admin traversal,
String sideEffectKey) |
| Modifier and Type | Method and Description |
|---|---|
void |
addLocalChild(Traversal.Admin<?,?> aggregateTraversal) |
void |
barrierConsumer(TraverserSet<S> traverserSet) |
AggregateStep<S> |
clone()
Cloning is used to duplicate steps for the purpose of traversal optimization and OLTP replication.
|
List<Traversal.Admin<S,Object>> |
getLocalChildren() |
MapReduce<MapReduce.NullObject,Object,MapReduce.NullObject,Object,Collection> |
getMapReduce() |
Set<TraverserRequirement> |
getRequirements()
Provide the necessary
TraverserRequirement that must be met by the traverser in order for the step to function properly. |
String |
getSideEffectKey() |
int |
hashCode() |
String |
toString() |
processAllStarts, processNextStart, resetaddLabel, addStart, addStarts, equals, getId, getLabels, getNextStep, getPreviousStep, getTraversal, hasNext, next, removeLabel, setId, setNextStep, setPreviousStep, setTraversalfinalize, getClass, notify, notifyAll, wait, wait, waitaddGlobalChild, asStep, getGlobalChildren, getSelfAndChildRequirements, integrateChild, removeGlobalChild, removeLocalChildforEachRemaining, removepublic AggregateStep(Traversal.Admin traversal, String sideEffectKey)
public String getSideEffectKey()
getSideEffectKey in interface SideEffectCapablepublic String toString()
toString in class CollectingBarrierStep<S>public MapReduce<MapReduce.NullObject,Object,MapReduce.NullObject,Object,Collection> getMapReduce()
getMapReduce in interface MapReducer<MapReduce.NullObject,Object,MapReduce.NullObject,Object,Collection>public void addLocalChild(Traversal.Admin<?,?> aggregateTraversal)
addLocalChild in interface TraversalParentpublic List<Traversal.Admin<S,Object>> getLocalChildren()
getLocalChildren in interface TraversalParentpublic void barrierConsumer(TraverserSet<S> traverserSet)
barrierConsumer in class CollectingBarrierStep<S>public Set<TraverserRequirement> getRequirements()
StepTraverserRequirement that must be met by the traverser in order for the step to function properly.
The provided default implements returns an empty set.getRequirements in interface Step<S,S>getRequirements in class CollectingBarrierStep<S>public AggregateStep<S> clone()
StepEmptyStep.public int hashCode()
hashCode in class CollectingBarrierStep<S>Copyright © 2013–2015 Apache Software Foundation. All rights reserved.