public final class DedupGlobalStep<S> extends FilterStep<S> implements TraversalParent, Scoping, Bypassing, Barrier
Scoping.Variableid, labels, nextEnd, nextStep, previousStep, starts, traversal, traverserStepIdAndLabelsSetByChildTYPICAL_GLOBAL_REQUIREMENTS, TYPICAL_GLOBAL_REQUIREMENTS_ARRAY, TYPICAL_LOCAL_REQUIREMENTS, TYPICAL_LOCAL_REQUIREMENTS_ARRAY| Constructor and Description |
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DedupGlobalStep(Traversal.Admin traversal,
String... dedupLabels) |
| Modifier and Type | Method and Description |
|---|---|
void |
addLocalChild(Traversal.Admin dedupTraversal) |
DedupGlobalStep<S> |
clone()
Cloning is used to duplicate steps for the purpose of traversal optimization and OLTP replication.
|
protected boolean |
filter(Traverser.Admin<S> traverser) |
List<Traversal<S,Object>> |
getLocalChildren() |
Set<TraverserRequirement> |
getRequirements()
Provide the necessary
TraverserRequirement that must be met by the traverser in order for the step to function properly. |
Set<String> |
getScopeKeys() |
int |
hashCode() |
void |
processAllStarts()
Process all left traversers by do not yield the resultant output.
|
void |
reset()
Reset the state of the step such that it has no incoming starts.
|
void |
setBypass(boolean bypass) |
String |
toString() |
processNextStartaddLabel, 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, removeLocalChildgetNullableScopeValue, getScopeValueforEachRemaining, removepublic DedupGlobalStep(Traversal.Admin traversal, String... dedupLabels)
protected boolean filter(Traverser.Admin<S> traverser)
filter in class FilterStep<S>public List<Traversal<S,Object>> getLocalChildren()
getLocalChildren in interface TraversalParentpublic void addLocalChild(Traversal.Admin dedupTraversal)
addLocalChild in interface TraversalParentpublic DedupGlobalStep<S> clone()
StepEmptyStep.public int hashCode()
hashCode in class AbstractStep<S,S>public void reset()
Steppublic String toString()
toString in class AbstractStep<S,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>public Set<String> getScopeKeys()
getScopeKeys in interface Scopingpublic void processAllStarts()
BarrierReducingBarrierStep, where traversers can be processed "on the fly" and thus, reduce memory consumption.processAllStarts in interface BarrierCopyright © 2013–2015 Apache Software Foundation. All rights reserved.