public final class CountGlobalStep<S> extends ReducingBarrierStep<S,Long> implements MapReducer
ReducingBarrierStep.DefaultMapReducebyPass, REDUCING, reducingBiFunction, seedSupplierid, labels, nextEnd, nextStep, previousStep, starts, traversal, traverserStepIdAndLabelsSetByChild| Constructor and Description |
|---|
CountGlobalStep(Traversal.Admin traversal) |
| Modifier and Type | Method and Description |
|---|---|
MapReduce<MapReduce.NullObject,Long,MapReduce.NullObject,Long,Long> |
getMapReduce() |
Set<TraverserRequirement> |
getRequirements()
Provide the necessary
TraverserRequirement that must be met by the traverser in order for the step to function properly. |
clone, onEngine, processAllStarts, processNextStart, reset, setBiFunction, setSeedSupplieraddLabel, addStart, addStarts, equals, getId, getLabels, getNextStep, getPreviousStep, getTraversal, hashCode, hasNext, next, removeLabel, setId, setNextStep, setPreviousStep, setTraversal, toStringfinalize, getClass, notify, notifyAll, wait, wait, waitforEachRemaining, removepublic CountGlobalStep(Traversal.Admin traversal)
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,Long>public MapReduce<MapReduce.NullObject,Long,MapReduce.NullObject,Long,Long> getMapReduce()
getMapReduce in interface MapReducergetMapReduce in class ReducingBarrierStep<S,Long>Copyright © 2013–2015 Apache Software Foundation. All rights reserved.