public final class SelectStep<S,E> extends MapStep<S,Map<String,E>> implements Scoping, TraversalParent, PathProcessor
Scoping.VariablePathProcessor.ElementRequirementid, labels, nextEnd, nextStep, previousStep, starts, traversal, traverserStepIdAndLabelsSetByChildTYPICAL_GLOBAL_REQUIREMENTS, TYPICAL_GLOBAL_REQUIREMENTS_ARRAY, TYPICAL_LOCAL_REQUIREMENTS, TYPICAL_LOCAL_REQUIREMENTS_ARRAY| Constructor and Description | 
|---|
| SelectStep(Traversal.Admin traversal,
          Pop pop,
          String... selectKeys) | 
| Modifier and Type | Method and Description | 
|---|---|
| void | addLocalChild(Traversal.Admin<?,?> selectTraversal) | 
| SelectStep<S,E> | clone()Cloning is used to duplicate steps for the purpose of traversal optimization and OLTP replication. | 
| List<Traversal.Admin<Object,E>> | getLocalChildren() | 
| Set<TraverserRequirement> | getRequirements()Provide the necessary  TraverserRequirementthat must be met by the traverser in order for the step to function properly. | 
| Set<String> | getScopeKeys() | 
| int | hashCode() | 
| protected Map<String,E> | map(Traverser.Admin<S> traverser) | 
| void | reset()Reset the state of the step such that it has no incoming starts. | 
| String | toString() | 
processNextStartaddLabel, addStart, addStarts, equals, getId, getLabels, getNextStep, getPreviousStep, getTraversal, hasNext, next, removeLabel, setId, setNextStep, setPreviousStep, setTraversalfinalize, getClass, notify, notifyAll, wait, wait, waitgetNullableScopeValue, getScopeValueaddGlobalChild, asStep, getGlobalChildren, getSelfAndChildRequirements, integrateChild, removeGlobalChild, removeLocalChildgetMaxRequirementforEachRemaining, removepublic SelectStep(Traversal.Admin traversal, Pop pop, String... selectKeys)
protected Map<String,E> map(Traverser.Admin<S> traverser)
public void reset()
Steppublic SelectStep<S,E> clone()
StepEmptyStep.public List<Traversal.Admin<Object,E>> getLocalChildren()
getLocalChildren in interface TraversalParentpublic void addLocalChild(Traversal.Admin<?,?> selectTraversal)
addLocalChild in interface TraversalParentpublic 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.public Set<String> getScopeKeys()
getScopeKeys in interface ScopingCopyright © 2013–2015 Apache Software Foundation. All rights reserved.