Class RequirementsStep<S>
- java.lang.Object
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- org.apache.tinkerpop.gremlin.process.traversal.step.util.AbstractStep<S,S>
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- org.apache.tinkerpop.gremlin.process.traversal.step.util.RequirementsStep<S>
 
 
 
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- All Implemented Interfaces:
 Serializable,Cloneable,Iterator<Traverser.Admin<S>>,Step<S,S>
public final class RequirementsStep<S> extends AbstractStep<S,S>
- Author:
 - Marko A. Rodriguez (http://markorodriguez.com)
 - See Also:
 - Serialized Form
 
 
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Field Summary
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Fields inherited from class org.apache.tinkerpop.gremlin.process.traversal.step.util.AbstractStep
id, labels, nextEnd, nextStep, previousStep, starts, traversal, traverserStepIdAndLabelsSetByChild 
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Constructor Summary
Constructors Constructor Description RequirementsStep(Traversal.Admin traversal, Set<TraverserRequirement> requirements) 
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description voidaddRequirement(TraverserRequirement requirement)Set<TraverserRequirement>getRequirements()Provide the necessaryTraverserRequirementthat must be met by the traverser in order for the step to function properly.protected Traverser.Admin<S>processNextStart()- 
Methods inherited from class org.apache.tinkerpop.gremlin.process.traversal.step.util.AbstractStep
addLabel, addStart, addStarts, clearLabels, clone, equals, getId, getLabels, getNextStep, getPreviousStep, getStarts, getTraversal, hashCode, hasNext, hasStarts, isTraverserStepIdAndLabelsSetByChild, next, prepareTraversalForNextStep, removeLabel, reset, setId, setNextStep, setPreviousStep, setTraversal, toString 
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Methods inherited from class java.lang.Object
finalize, getClass, notify, notifyAll, wait, wait, wait 
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Methods inherited from interface java.util.Iterator
forEachRemaining, remove 
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Constructor Detail
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RequirementsStep
public RequirementsStep(Traversal.Admin traversal, Set<TraverserRequirement> requirements)
 
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Method Detail
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addRequirement
public void addRequirement(TraverserRequirement requirement)
 
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getRequirements
public Set<TraverserRequirement> getRequirements()
Description copied from interface:StepProvide the necessaryTraverserRequirementthat must be met by the traverser in order for the step to function properly. The provided default implements returns an empty set.- Returns:
 - the set of requirements
 
 
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processNextStart
protected Traverser.Admin<S> processNextStart() throws NoSuchElementException
- Specified by:
 processNextStartin classAbstractStep<S,S>- Throws:
 NoSuchElementException
 
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