public final class SampleGlobalStep<S> extends CollectingBarrierStep<S> implements TraversalParent, ByModulating, Seedable
traverserSet
id, labels, nextEnd, nextStep, previousStep, starts, traversal, traverserStepIdAndLabelsSetByChild
Constructor and Description |
---|
SampleGlobalStep(Traversal.Admin traversal,
int amountToSample) |
Modifier and Type | Method and Description |
---|---|
void |
barrierConsumer(TraverserSet<S> traverserSet) |
SampleGlobalStep<S> |
clone()
Cloning is used to duplicate steps for the purpose of traversal optimization and OLTP replication.
|
List<Traversal.Admin<S,Number>> |
getLocalChildren() |
Set<TraverserRequirement> |
getRequirements()
Provide the necessary
TraverserRequirement that must be met by the traverser in order for the step to
function properly. |
int |
hashCode() |
void |
modulateBy(Traversal.Admin<?,?> probabilityTraversal) |
void |
processAllStarts()
Process all left traversers by do not yield the resultant output.
|
void |
replaceLocalChild(Traversal.Admin<?,?> oldTraversal,
Traversal.Admin<?,?> newTraversal) |
void |
resetSeed(long seed) |
void |
setTraversal(Traversal.Admin<?,?> parentTraversal)
Set the
Traversal that this step is contained within. |
String |
toString() |
addBarrier, getMemoryComputeKey, hasNextBarrier, nextBarrier, processNextStart, reset
addLabel, addStart, addStarts, equals, getId, getLabels, getNextStep, getPreviousStep, getStarts, getTraversal, hasNext, hasStarts, isTraverserStepIdAndLabelsSetByChild, next, prepareTraversalForNextStep, removeLabel, setId, setNextStep, setPreviousStep
finalize, getClass, notify, notifyAll, wait, wait, wait
addGlobalChild, addLocalChild, asStep, close, getGlobalChildren, getSelfAndChildRequirements, integrateChild, removeGlobalChild, removeLocalChild
modulateBy, modulateBy, modulateBy, modulateBy, modulateBy, modulateBy, modulateBy, modulateBy, modulateBy, modulateBy, modulateBy
forEachRemaining, remove
public SampleGlobalStep(Traversal.Admin traversal, int amountToSample)
public List<Traversal.Admin<S,Number>> getLocalChildren()
getLocalChildren
in interface TraversalParent
public void modulateBy(Traversal.Admin<?,?> probabilityTraversal)
modulateBy
in interface ByModulating
public void replaceLocalChild(Traversal.Admin<?,?> oldTraversal, Traversal.Admin<?,?> newTraversal)
replaceLocalChild
in interface TraversalParent
public String toString()
toString
in class CollectingBarrierStep<S>
public void processAllStarts()
Barrier
ReducingBarrierStep
, where traversers can be processed "on the fly" and thus, reduce memory consumption.processAllStarts
in interface Barrier<TraverserSet<S>>
processAllStarts
in class CollectingBarrierStep<S>
public void barrierConsumer(TraverserSet<S> traverserSet)
barrierConsumer
in class CollectingBarrierStep<S>
public Set<TraverserRequirement> getRequirements()
Step
TraverserRequirement
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 SampleGlobalStep<S> clone()
Step
Step.reset()
is called. Moreover, the previous and next steps should be set to EmptyStep
.public void setTraversal(Traversal.Admin<?,?> parentTraversal)
Step
Traversal
that this step is contained within.setTraversal
in interface Step<S,S>
setTraversal
in class AbstractStep<S,S>
parentTraversal
- the new traversal for this steppublic int hashCode()
hashCode
in class CollectingBarrierStep<S>
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