public final class WherePredicateStep<S> extends FilterStep<S> implements Scoping
Scoping.Variable
Modifier and Type | Field and Description |
---|---|
protected P<Object> |
predicate |
protected Set<String> |
scopeKeys |
protected List<String> |
selectKeys |
protected String |
startKey |
id, labels, nextEnd, nextStep, previousStep, starts, traversal, traverserStepIdAndLabelsSetByChild
TYPICAL_GLOBAL_REQUIREMENTS, TYPICAL_GLOBAL_REQUIREMENTS_ARRAY, TYPICAL_LOCAL_REQUIREMENTS, TYPICAL_LOCAL_REQUIREMENTS_ARRAY
Constructor and Description |
---|
WherePredicateStep(Traversal.Admin traversal,
Optional<String> startKey,
P<String> predicate) |
Modifier and Type | Method and Description |
---|---|
WherePredicateStep<S> |
clone()
Cloning is used to duplicate steps for the purpose of traversal optimization and OLTP replication.
|
protected boolean |
filter(Traverser.Admin<S> traverser) |
Optional<P<?>> |
getPredicate() |
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() |
Optional<String> |
getStartKey() |
int |
hashCode() |
void |
removeStartKey() |
String |
toString() |
processNextStart
addLabel, addStart, addStarts, equals, getId, getLabels, getNextStep, getPreviousStep, getTraversal, hasNext, next, removeLabel, reset, setId, setNextStep, setPreviousStep, setTraversal
finalize, getClass, notify, notifyAll, wait, wait, wait
getNullableScopeValue, getScopeValue
forEachRemaining, remove
protected String startKey
public WherePredicateStep(Traversal.Admin traversal, Optional<String> startKey, P<String> predicate)
public void removeStartKey()
protected boolean filter(Traverser.Admin<S> traverser)
filter
in class FilterStep<S>
public String toString()
toString
in class AbstractStep<S,S>
public Set<String> getScopeKeys()
getScopeKeys
in interface Scoping
public WherePredicateStep<S> clone()
Step
EmptyStep
.public int hashCode()
hashCode
in class AbstractStep<S,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>
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