org.janusgraph.graphdb.tinkerpop.optimize

Class AdjacentVertexOptimizerStrategy<T extends org.apache.tinkerpop.gremlin.process.traversal.step.filter.FilterStep<?>>

java.lang.Object

org.apache.tinkerpop.gremlin.process.traversal.strategy.AbstractTraversalStrategy<org.apache.tinkerpop.gremlin.process.traversal.TraversalStrategy.ProviderOptimizationStrategy>

org.janusgraph.graphdb.tinkerpop.optimize.AdjacentVertexOptimizerStrategy<T>

All Implemented Interfaces:

Serializable, Comparable<Class<? extends org.apache.tinkerpop.gremlin.process.traversal.TraversalStrategy>>, org.apache.tinkerpop.gremlin.process.traversal.TraversalStrategy<org.apache.tinkerpop.gremlin.process.traversal.TraversalStrategy.ProviderOptimizationStrategy>, org.apache.tinkerpop.gremlin.process.traversal.TraversalStrategy.ProviderOptimizationStrategy

Direct Known Subclasses:

AdjacentVertexHasIdOptimizerStrategy, AdjacentVertexIsOptimizerStrategy

public abstract class AdjacentVertexOptimizerStrategy<T extends org.apache.tinkerpop.gremlin.process.traversal.step.filter.FilterStep<?>>
extends org.apache.tinkerpop.gremlin.process.traversal.strategy.AbstractTraversalStrategy<org.apache.tinkerpop.gremlin.process.traversal.TraversalStrategy.ProviderOptimizationStrategy>
implements org.apache.tinkerpop.gremlin.process.traversal.TraversalStrategy.ProviderOptimizationStrategy

Author:

Florian Grieskamp (Florian.Grieskamp@gdata.de)

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected static class	AdjacentVertexOptimizerStrategy.OptimizablePosition

Nested classes/interfaces inherited from interface org.apache.tinkerpop.gremlin.process.traversal.TraversalStrategy

org.apache.tinkerpop.gremlin.process.traversal.TraversalStrategy.DecorationStrategy, org.apache.tinkerpop.gremlin.process.traversal.TraversalStrategy.FinalizationStrategy, org.apache.tinkerpop.gremlin.process.traversal.TraversalStrategy.OptimizationStrategy, org.apache.tinkerpop.gremlin.process.traversal.TraversalStrategy.ProviderOptimizationStrategy, org.apache.tinkerpop.gremlin.process.traversal.TraversalStrategy.VerificationStrategy

Field Summary

Fields inherited from interface org.apache.tinkerpop.gremlin.process.traversal.TraversalStrategy

STRATEGY

Constructor Summary

Constructors

Constructor and Description
AdjacentVertexOptimizerStrategy()

Method Summary

Modifier and Type	Method and Description
Set<Class<? extends org.apache.tinkerpop.gremlin.process.traversal.TraversalStrategy.ProviderOptimizationStrategy>>	applyPost()
protected abstract boolean	isValidPredicate(org.apache.tinkerpop.gremlin.process.traversal.P<?> predicate)
protected void	optimizeStep(T step)
protected abstract org.apache.tinkerpop.gremlin.process.traversal.P<?>	parsePredicate(T step)

Methods inherited from class org.apache.tinkerpop.gremlin.process.traversal.strategy.AbstractTraversalStrategy

equals, hashCode, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.apache.tinkerpop.gremlin.process.traversal.TraversalStrategy.ProviderOptimizationStrategy

compareTo, getTraversalCategory

Methods inherited from interface org.apache.tinkerpop.gremlin.process.traversal.TraversalStrategy

apply, applyPrior, getConfiguration

Constructor Detail

AdjacentVertexOptimizerStrategy

public AdjacentVertexOptimizerStrategy()

Method Detail

applyPost

public Set<Class<? extends org.apache.tinkerpop.gremlin.process.traversal.TraversalStrategy.ProviderOptimizationStrategy>> applyPost()

Specified by:

applyPost in interface org.apache.tinkerpop.gremlin.process.traversal.TraversalStrategy<org.apache.tinkerpop.gremlin.process.traversal.TraversalStrategy.ProviderOptimizationStrategy>

optimizeStep

protected void optimizeStep(T step)

parsePredicate

protected abstract org.apache.tinkerpop.gremlin.process.traversal.P<?> parsePredicate(T step)

isValidPredicate

protected abstract boolean isValidPredicate(org.apache.tinkerpop.gremlin.process.traversal.P<?> predicate)