org.janusgraph.graphdb.tinkerpop.optimize.step.service

Class TraversalPropertiesFetchingService

java.lang.Object

org.janusgraph.graphdb.tinkerpop.optimize.step.service.TraversalPropertiesFetchingService

All Implemented Interfaces:

org.apache.tinkerpop.gremlin.process.traversal.step.Profiling, PropertiesFetchingService

public class TraversalPropertiesFetchingService
extends Object
implements PropertiesFetchingService

Constructor Summary

Constructors

Constructor and Description
TraversalPropertiesFetchingService(org.apache.tinkerpop.gremlin.process.traversal.Traversal.Admin<org.apache.tinkerpop.gremlin.structure.Element,? extends org.apache.tinkerpop.gremlin.structure.Property> propertyTraversal, int batchSize, boolean prefetchAllPropertiesRequired)

Method Summary

Modifier and Type	Method and Description
Iterator<? extends org.apache.tinkerpop.gremlin.structure.Property>	fetchProperties(org.apache.tinkerpop.gremlin.process.traversal.Traverser.Admin<org.apache.tinkerpop.gremlin.structure.Element> traverser, org.apache.tinkerpop.gremlin.process.traversal.Traversal.Admin<?,?> traversal)
void	registerFirstNewLoopFutureVertexForPrefetching(org.apache.tinkerpop.gremlin.structure.Vertex futureVertex, int futureVertexTraverserLoop)
void	registerNextLoopFutureVertexForPrefetching(org.apache.tinkerpop.gremlin.structure.Vertex futureVertex, int futureVertexTraverserLoop)
void	registerSameLoopFutureVertexForPrefetching(org.apache.tinkerpop.gremlin.structure.Vertex futureVertex, int futureVertexTraverserLoop)
void	setBatchSize(int batchSize)
void	setMetrics(org.apache.tinkerpop.gremlin.process.traversal.util.MutableMetrics metrics)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

TraversalPropertiesFetchingService

public TraversalPropertiesFetchingService(org.apache.tinkerpop.gremlin.process.traversal.Traversal.Admin<org.apache.tinkerpop.gremlin.structure.Element,? extends org.apache.tinkerpop.gremlin.structure.Property> propertyTraversal,
                                          int batchSize,
                                          boolean prefetchAllPropertiesRequired)

Method Detail

fetchProperties

public Iterator<? extends org.apache.tinkerpop.gremlin.structure.Property> fetchProperties(org.apache.tinkerpop.gremlin.process.traversal.Traverser.Admin<org.apache.tinkerpop.gremlin.structure.Element> traverser,
                                                                                           org.apache.tinkerpop.gremlin.process.traversal.Traversal.Admin<?,?> traversal)

Specified by:

fetchProperties in interface PropertiesFetchingService

registerFirstNewLoopFutureVertexForPrefetching

public void registerFirstNewLoopFutureVertexForPrefetching(org.apache.tinkerpop.gremlin.structure.Vertex futureVertex,
                                                           int futureVertexTraverserLoop)

Specified by:

registerFirstNewLoopFutureVertexForPrefetching in interface PropertiesFetchingService

registerSameLoopFutureVertexForPrefetching

public void registerSameLoopFutureVertexForPrefetching(org.apache.tinkerpop.gremlin.structure.Vertex futureVertex,
                                                       int futureVertexTraverserLoop)

Specified by:

registerSameLoopFutureVertexForPrefetching in interface PropertiesFetchingService

registerNextLoopFutureVertexForPrefetching

public void registerNextLoopFutureVertexForPrefetching(org.apache.tinkerpop.gremlin.structure.Vertex futureVertex,
                                                       int futureVertexTraverserLoop)

Specified by:

registerNextLoopFutureVertexForPrefetching in interface PropertiesFetchingService

setMetrics

public void setMetrics(org.apache.tinkerpop.gremlin.process.traversal.util.MutableMetrics metrics)

Specified by:

setMetrics in interface org.apache.tinkerpop.gremlin.process.traversal.step.Profiling

Specified by:

setMetrics in interface PropertiesFetchingService

setBatchSize

public void setBatchSize(int batchSize)

Specified by:

setBatchSize in interface PropertiesFetchingService