org.neo4j.graphalgo.similarity

Class NullGraph

java.lang.Object

org.neo4j.graphalgo.similarity.NullGraph

All Implemented Interfaces:

org.neo4j.graphalgo.api.BatchNodeIterable, org.neo4j.graphalgo.api.Degrees, org.neo4j.graphalgo.api.Graph, org.neo4j.graphalgo.api.IdMapping, org.neo4j.graphalgo.api.NodeIterator, org.neo4j.graphalgo.api.NodePropertyContainer, org.neo4j.graphalgo.api.RelationshipAccess, org.neo4j.graphalgo.api.RelationshipIterator, org.neo4j.graphalgo.api.RelationshipPredicate, org.neo4j.graphalgo.api.RelationshipProperties

public class NullGraph
extends java.lang.Object
implements org.neo4j.graphalgo.api.Graph

Field Summary

Fields inherited from interface org.neo4j.graphalgo.api.IdMapping

START_NODE_ID

Constructor Summary

Constructors

Constructor and Description
NullGraph()

Method Summary

Modifier and Type	Method and Description
java.util.Set<java.lang.String>	availableNodeProperties()
java.util.Collection<org.neo4j.collection.primitive.PrimitiveLongIterable>	batchIterables(int batchSize)
void	canRelease(boolean canRelease)
boolean	contains(long nodeId)
int	degree(long nodeId)
boolean	exists(long sourceNodeId, long targetNodeId)
void	forEachNode(java.util.function.LongPredicate consumer)
void	forEachRelationship(long nodeId, double fallbackValue, org.neo4j.graphalgo.api.RelationshipWithPropertyConsumer consumer)
void	forEachRelationship(long nodeId, org.neo4j.graphalgo.api.RelationshipConsumer consumer)
long	getTarget(long nodeId, long index)
boolean	hasRelationshipProperty()
org.neo4j.graphalgo.api.RelationshipIntersect	intersection()
boolean	isEmpty()
boolean	isUndirected()
long	nodeCount()
org.neo4j.collection.primitive.PrimitiveLongIterator	nodeIterator()
org.neo4j.graphalgo.api.NodeProperties	nodeProperties(java.lang.String type)
long	relationshipCount()
double	relationshipProperty(long sourceNodeId, long targetNodeId)
double	relationshipProperty(long sourceNodeId, long targetNodeId, double fallbackValue)
void	releaseTopology()
long	toMappedNodeId(long nodeId)
long	toOriginalNodeId(long nodeId)

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.neo4j.graphalgo.api.Graph

release, releaseProperties

Methods inherited from interface org.neo4j.graphalgo.api.RelationshipIterator

concurrentCopy

Constructor Detail

NullGraph

public NullGraph()

Method Detail

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface org.neo4j.graphalgo.api.Graph

releaseTopology

public void releaseTopology()

Specified by:

releaseTopology in interface org.neo4j.graphalgo.api.Graph

relationshipCount

public long relationshipCount()

Specified by:

relationshipCount in interface org.neo4j.graphalgo.api.Graph

isUndirected

public boolean isUndirected()

Specified by:

isUndirected in interface org.neo4j.graphalgo.api.Graph

hasRelationshipProperty

public boolean hasRelationshipProperty()

Specified by:

hasRelationshipProperty in interface org.neo4j.graphalgo.api.Graph

canRelease

public void canRelease(boolean canRelease)

Specified by:

canRelease in interface org.neo4j.graphalgo.api.Graph

intersection

public org.neo4j.graphalgo.api.RelationshipIntersect intersection()

Specified by:

intersection in interface org.neo4j.graphalgo.api.Graph

batchIterables

public java.util.Collection<org.neo4j.collection.primitive.PrimitiveLongIterable> batchIterables(int batchSize)

Specified by:

batchIterables in interface org.neo4j.graphalgo.api.BatchNodeIterable

degree

public int degree(long nodeId)

Specified by:

degree in interface org.neo4j.graphalgo.api.Degrees

toMappedNodeId

public long toMappedNodeId(long nodeId)

Specified by:

toMappedNodeId in interface org.neo4j.graphalgo.api.IdMapping

toOriginalNodeId

public long toOriginalNodeId(long nodeId)

Specified by:

toOriginalNodeId in interface org.neo4j.graphalgo.api.IdMapping

contains

public boolean contains(long nodeId)

Specified by:

contains in interface org.neo4j.graphalgo.api.IdMapping

nodeCount

public long nodeCount()

Specified by:

nodeCount in interface org.neo4j.graphalgo.api.IdMapping

forEachNode

public void forEachNode(java.util.function.LongPredicate consumer)

Specified by:

forEachNode in interface org.neo4j.graphalgo.api.NodeIterator

nodeIterator

public org.neo4j.collection.primitive.PrimitiveLongIterator nodeIterator()

Specified by:

nodeIterator in interface org.neo4j.graphalgo.api.NodeIterator

nodeProperties

public org.neo4j.graphalgo.api.NodeProperties nodeProperties(java.lang.String type)

Specified by:

nodeProperties in interface org.neo4j.graphalgo.api.NodePropertyContainer

availableNodeProperties

public java.util.Set<java.lang.String> availableNodeProperties()

Specified by:

availableNodeProperties in interface org.neo4j.graphalgo.api.NodePropertyContainer

getTarget

public long getTarget(long nodeId,
                      long index)

Specified by:

getTarget in interface org.neo4j.graphalgo.api.RelationshipAccess

forEachRelationship

public void forEachRelationship(long nodeId,
                                org.neo4j.graphalgo.api.RelationshipConsumer consumer)

Specified by:

forEachRelationship in interface org.neo4j.graphalgo.api.RelationshipIterator

forEachRelationship

public void forEachRelationship(long nodeId,
                                double fallbackValue,
                                org.neo4j.graphalgo.api.RelationshipWithPropertyConsumer consumer)

Specified by:

forEachRelationship in interface org.neo4j.graphalgo.api.RelationshipIterator

exists

public boolean exists(long sourceNodeId,
                      long targetNodeId)

Specified by:

exists in interface org.neo4j.graphalgo.api.RelationshipPredicate

relationshipProperty

public double relationshipProperty(long sourceNodeId,
                                   long targetNodeId,
                                   double fallbackValue)

Specified by:

relationshipProperty in interface org.neo4j.graphalgo.api.RelationshipProperties

relationshipProperty

public double relationshipProperty(long sourceNodeId,
                                   long targetNodeId)

Specified by:

relationshipProperty in interface org.neo4j.graphalgo.api.RelationshipProperties