Class IdentityRemovalStrategy
- java.lang.Object
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- org.apache.tinkerpop.gremlin.process.traversal.strategy.AbstractTraversalStrategy<TraversalStrategy.OptimizationStrategy>
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- org.apache.tinkerpop.gremlin.process.traversal.strategy.optimization.IdentityRemovalStrategy
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- All Implemented Interfaces:
Serializable
,Comparable<Class<? extends TraversalStrategy>>
,TraversalStrategy<TraversalStrategy.OptimizationStrategy>
,TraversalStrategy.OptimizationStrategy
public final class IdentityRemovalStrategy extends AbstractTraversalStrategy<TraversalStrategy.OptimizationStrategy> implements TraversalStrategy.OptimizationStrategy
IdentityRemovalStrategy
looks forIdentityStep
instances and removes them. If the identity step is labeled, its labels are added to the previous step. If the identity step is labeled and it's the first step in the traversal, it stays.- Author:
- Marko A. Rodriguez (http://markorodriguez.com)
- See Also:
- Serialized Form
- Example:
__.out().identity().count() // is replaced by __.out().count() __.in().identity().as("a") // is replaced by __.in().as("a") __.identity().as("a").out() // is replaced by __.identity().as("a").out()
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Nested Class Summary
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Nested classes/interfaces inherited from interface org.apache.tinkerpop.gremlin.process.traversal.TraversalStrategy
TraversalStrategy.DecorationStrategy, TraversalStrategy.FinalizationStrategy, TraversalStrategy.OptimizationStrategy, TraversalStrategy.ProviderOptimizationStrategy, TraversalStrategy.VerificationStrategy
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Field Summary
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Fields inherited from interface org.apache.tinkerpop.gremlin.process.traversal.TraversalStrategy
STRATEGY
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description void
apply(Traversal.Admin<?,?> traversal)
static IdentityRemovalStrategy
instance()
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Methods inherited from class org.apache.tinkerpop.gremlin.process.traversal.strategy.AbstractTraversalStrategy
equals, hashCode, toString
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Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait
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Methods inherited from interface org.apache.tinkerpop.gremlin.process.traversal.TraversalStrategy
applyPost, applyPrior, getConfiguration
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Methods inherited from interface org.apache.tinkerpop.gremlin.process.traversal.TraversalStrategy.OptimizationStrategy
compareTo, getTraversalCategory
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Method Detail
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apply
public void apply(Traversal.Admin<?,?> traversal)
- Specified by:
apply
in interfaceTraversalStrategy<TraversalStrategy.OptimizationStrategy>
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instance
public static IdentityRemovalStrategy instance()
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