public final class CoalesceStep<S,E> extends FlatMapStep<S,E> implements TraversalParent
id, labels, nextEnd, nextStep, previousStep, starts, traversal, traverserStepIdAndLabelsSetByChild| Constructor and Description |
|---|
CoalesceStep(Traversal.Admin traversal,
Traversal.Admin<S,E>... coalesceTraversals) |
| Modifier and Type | Method and Description |
|---|---|
CoalesceStep<S,E> |
clone()
Cloning is used to duplicate steps for the purpose of traversal optimization and OLTP replication.
|
protected Iterator<E> |
flatMap(Traverser.Admin<S> traverser) |
List<Traversal.Admin<S,E>> |
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 |
setTraversal(Traversal.Admin<?,?> parentTraversal)
Set the
Traversal that this step is contained within. |
String |
toString() |
closeIterator, processNextStart, resetaddLabel, addStart, addStarts, equals, getId, getLabels, getNextStep, getPreviousStep, getStarts, getTraversal, hasNext, isTraverserStepIdAndLabelsSetByChild, next, prepareTraversalForNextStep, removeLabel, setId, setNextStep, setPreviousStepfinalize, getClass, notify, notifyAll, wait, wait, waitaddGlobalChild, addLocalChild, asStep, close, getGlobalChildren, getSelfAndChildRequirements, integrateChild, removeGlobalChild, removeLocalChildforEachRemaining, remove@SafeVarargs public CoalesceStep(Traversal.Admin traversal, Traversal.Admin<S,E>... coalesceTraversals)
protected Iterator<E> flatMap(Traverser.Admin<S> traverser)
flatMap in class FlatMapStep<S,E>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,E>public List<Traversal.Admin<S,E>> getLocalChildren()
getLocalChildren in interface TraversalParentpublic CoalesceStep<S,E> clone()
StepStep.reset() is called. Moreover, the previous and next steps should be set to EmptyStep.public void setTraversal(Traversal.Admin<?,?> parentTraversal)
StepTraversal that this step is contained within.setTraversal in interface Step<S,E>setTraversal in class AbstractStep<S,E>parentTraversal - the new traversal for this steppublic String toString()
toString in class AbstractStep<S,E>public int hashCode()
hashCode in class AbstractStep<S,E>Copyright © 2013–2020 Apache Software Foundation. All rights reserved.