public final class WhereTraversalStep<S> extends FilterStep<S> implements TraversalParent, Scoping, PathProcessor
| Modifier and Type | Class and Description |
|---|---|
static class |
WhereTraversalStep.WhereEndStep |
static class |
WhereTraversalStep.WhereStartStep<S> |
Scoping.KeyNotFoundException, Scoping.VariablePathProcessor.ElementRequirement| Modifier and Type | Field and Description |
|---|---|
protected Set<String> |
keepLabels |
protected Set<String> |
scopeKeys |
protected Traversal.Admin<?,?> |
whereTraversal |
id, labels, nextEnd, nextStep, previousStep, starts, traversal, traverserStepIdAndLabelsSetByChild| Constructor and Description |
|---|
WhereTraversalStep(Traversal.Admin traversal,
Traversal<?,?> whereTraversal) |
| Modifier and Type | Method and Description |
|---|---|
WhereTraversalStep<S> |
clone()
Cloning is used to duplicate steps for the purpose of traversal optimization and OLTP replication.
|
protected boolean |
filter(Traverser.Admin<S> traverser) |
Set<String> |
getKeepLabels() |
List<Traversal.Admin<?,?>> |
getLocalChildren() |
PathProcessor.ElementRequirement |
getMaxRequirement() |
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()
Get the labels that this scoping step will access during the traversal
|
int |
hashCode() |
protected Traverser.Admin<S> |
processNextStart() |
void |
setKeepLabels(Set<String> keepLabels) |
void |
setTraversal(Traversal.Admin<?,?> parentTraversal)
Set the
Traversal that this step is contained within. |
String |
toString() |
addLabel, addStart, addStarts, equals, getId, getLabels, getNextStep, getPreviousStep, getStarts, getTraversal, hasNext, hasStarts, isTraverserStepIdAndLabelsSetByChild, next, prepareTraversalForNextStep, removeLabel, reset, setId, setNextStep, setPreviousStepfinalize, getClass, notify, notifyAll, wait, wait, waitaddGlobalChild, addLocalChild, asStep, close, getGlobalChildren, getSelfAndChildRequirements, integrateChild, removeGlobalChild, removeLocalChild, replaceLocalChildgetNullableScopeValue, getSafeScopeValue, getScopeValueprocessTraverserPathLabelsforEachRemaining, removeprotected Traversal.Admin<?,?> whereTraversal
public WhereTraversalStep(Traversal.Admin traversal, Traversal<?,?> whereTraversal)
public PathProcessor.ElementRequirement getMaxRequirement()
getMaxRequirement in interface PathProcessorprotected Traverser.Admin<S> processNextStart()
processNextStart in class FilterStep<S>protected boolean filter(Traverser.Admin<S> traverser)
filter in class FilterStep<S>public List<Traversal.Admin<?,?>> getLocalChildren()
getLocalChildren in interface TraversalParentpublic String toString()
toString in class AbstractStep<S,S>public Set<String> getScopeKeys()
ScopinggetScopeKeys in interface Scopingpublic WhereTraversalStep<S> 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,S>setTraversal in class AbstractStep<S,S>parentTraversal - the new traversal for this steppublic int hashCode()
hashCode 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 void setKeepLabels(Set<String> keepLabels)
setKeepLabels in interface PathProcessorpublic Set<String> getKeepLabels()
getKeepLabels in interface PathProcessorCopyright © 2013–2021 Apache Software Foundation. All rights reserved.