org.neo4j.graphalgo.shortestpaths

Class DijkstraProc

java.lang.Object

org.neo4j.graphalgo.BaseProc

org.neo4j.graphalgo.AlgoBaseProc<org.neo4j.graphalgo.impl.shortestpaths.ShortestPathDijkstra,org.neo4j.graphalgo.impl.shortestpaths.ShortestPathDijkstra,org.neo4j.graphalgo.impl.shortestpaths.DijkstraConfig>

org.neo4j.graphalgo.shortestpaths.DijkstraProc

public class DijkstraProc
extends org.neo4j.graphalgo.AlgoBaseProc<org.neo4j.graphalgo.impl.shortestpaths.ShortestPathDijkstra,org.neo4j.graphalgo.impl.shortestpaths.ShortestPathDijkstra,org.neo4j.graphalgo.impl.shortestpaths.DijkstraConfig>

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	DijkstraProc.DijkstraResult

Nested classes/interfaces inherited from class org.neo4j.graphalgo.AlgoBaseProc

org.neo4j.graphalgo.AlgoBaseProc.ComputationResult<A extends org.neo4j.graphalgo.Algorithm<A,RESULT>,RESULT,CONFIG extends org.neo4j.graphalgo.config.AlgoBaseConfig>

Nested classes/interfaces inherited from class org.neo4j.graphalgo.BaseProc

org.neo4j.graphalgo.BaseProc.FreeMemoryInspector

Field Summary

Fields inherited from class org.neo4j.graphalgo.AlgoBaseProc

STATS_DESCRIPTION

Fields inherited from class org.neo4j.graphalgo.BaseProc

api, callContext, ESTIMATE_DESCRIPTION, log, transaction

Constructor Summary

Constructors

Constructor and Description
DijkstraProc()

Method Summary

Modifier and Type	Method and Description
protected org.neo4j.graphalgo.AlgorithmFactory<org.neo4j.graphalgo.impl.shortestpaths.ShortestPathDijkstra,org.neo4j.graphalgo.impl.shortestpaths.DijkstraConfig>	algorithmFactory(org.neo4j.graphalgo.impl.shortestpaths.DijkstraConfig config)
java.util.stream.Stream<org.neo4j.graphalgo.impl.shortestpaths.ShortestPathDijkstra.Result>	dijkstraStream(java.lang.Object graphNameOrConfig, java.util.Map<java.lang.String,java.lang.Object> configuration) single threaded dijkstra impl.
java.util.stream.Stream<DijkstraProc.DijkstraResult>	dijkstraWrite(java.lang.Object graphNameOrConfig, java.util.Map<java.lang.String,java.lang.Object> configuration)
protected org.neo4j.graphalgo.impl.shortestpaths.DijkstraConfig	newConfig(java.lang.String username, java.util.Optional<java.lang.String> graphName, java.util.Optional<org.neo4j.graphalgo.config.GraphCreateConfig> maybeImplicitCreate, org.neo4j.graphalgo.core.CypherMapWrapper userInput)

Methods inherited from class org.neo4j.graphalgo.AlgoBaseProc

algoName, compute, compute, computeEstimate, createGraph, memoryEstimation, newAlgorithm, newConfig, nodePropertyTranslator, processInput, validateConfigs

Methods inherited from class org.neo4j.graphalgo.BaseProc

getUsername, newLoader, runWithExceptionLogging, runWithExceptionLogging, tryValidateMemoryUsage, tryValidateMemoryUsage, validateConfig, validateGraphName

Methods inherited from class java.lang.Object

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

Constructor Detail

DijkstraProc

public DijkstraProc()

Method Detail

dijkstraStream

public java.util.stream.Stream<org.neo4j.graphalgo.impl.shortestpaths.ShortestPathDijkstra.Result> dijkstraStream(java.lang.Object graphNameOrConfig,
                                                                                                                  java.util.Map<java.lang.String,java.lang.Object> configuration)

single threaded dijkstra impl. takes a startNode and endNode and tries to find the shortest path supports direction flag in configuration ( see Directions) default is: BOTH

dijkstraWrite

public java.util.stream.Stream<DijkstraProc.DijkstraResult> dijkstraWrite(java.lang.Object graphNameOrConfig,
                                                                          java.util.Map<java.lang.String,java.lang.Object> configuration)

newConfig

protected org.neo4j.graphalgo.impl.shortestpaths.DijkstraConfig newConfig(java.lang.String username,
                                                                          java.util.Optional<java.lang.String> graphName,
                                                                          java.util.Optional<org.neo4j.graphalgo.config.GraphCreateConfig> maybeImplicitCreate,
                                                                          org.neo4j.graphalgo.core.CypherMapWrapper userInput)

Specified by:

newConfig in class org.neo4j.graphalgo.AlgoBaseProc<org.neo4j.graphalgo.impl.shortestpaths.ShortestPathDijkstra,org.neo4j.graphalgo.impl.shortestpaths.ShortestPathDijkstra,org.neo4j.graphalgo.impl.shortestpaths.DijkstraConfig>

algorithmFactory

protected org.neo4j.graphalgo.AlgorithmFactory<org.neo4j.graphalgo.impl.shortestpaths.ShortestPathDijkstra,org.neo4j.graphalgo.impl.shortestpaths.DijkstraConfig> algorithmFactory(org.neo4j.graphalgo.impl.shortestpaths.DijkstraConfig config)

Specified by:

algorithmFactory in class org.neo4j.graphalgo.AlgoBaseProc<org.neo4j.graphalgo.impl.shortestpaths.ShortestPathDijkstra,org.neo4j.graphalgo.impl.shortestpaths.ShortestPathDijkstra,org.neo4j.graphalgo.impl.shortestpaths.DijkstraConfig>