org.neo4j.graphalgo.similarity

Class NullGraphStore

java.lang.Object

org.neo4j.graphalgo.core.loading.GraphStore

org.neo4j.graphalgo.similarity.NullGraphStore

public class NullGraphStore
extends org.neo4j.graphalgo.core.loading.GraphStore

The NullGraphStore is used to store a NullGraph. It helps non-product algos work under the standard API.

Nested Class Summary

Nested classes/interfaces inherited from class org.neo4j.graphalgo.core.loading.GraphStore

org.neo4j.graphalgo.core.loading.GraphStore.NodeProperty, org.neo4j.graphalgo.core.loading.GraphStore.NodePropertyStore, org.neo4j.graphalgo.core.loading.GraphStore.PropertyState, org.neo4j.graphalgo.core.loading.GraphStore.RelationshipProperty, org.neo4j.graphalgo.core.loading.GraphStore.RelationshipPropertyStore

Method Summary

Modifier and Type	Method and Description
void	addNodeProperty(org.neo4j.graphalgo.NodeLabel nodeLabel, java.lang.String propertyKey, org.neo4j.values.storable.NumberType propertyType, org.neo4j.graphalgo.api.NodeProperties propertyValues)
void	addRelationshipType(org.neo4j.graphalgo.RelationshipType relationshipType, java.util.Optional<java.lang.String> relationshipPropertyKey, java.util.Optional<org.neo4j.values.storable.NumberType> relationshipPropertyType, org.neo4j.graphalgo.core.huge.HugeGraph.Relationships relationships)
void	canRelease(boolean canRelease)
protected org.neo4j.graphalgo.api.IdMapGraph	createGraph(java.util.List<org.neo4j.graphalgo.NodeLabel> filteredLabels, java.util.List<org.neo4j.graphalgo.RelationshipType> relationshipTypes, java.util.Optional<java.lang.String> maybeRelationshipProperty, int concurrency)
org.neo4j.graphalgo.core.loading.DeletionResult	deleteRelationships(org.neo4j.graphalgo.RelationshipType relationshipType)
org.neo4j.graphalgo.api.IdMapGraph	getUnion()
boolean	hasNodeProperty(java.util.Collection<org.neo4j.graphalgo.NodeLabel> labels, java.lang.String propertyKey)
boolean	hasRelationshipType(org.neo4j.graphalgo.RelationshipType relationshipType)
long	nodeCount()
java.util.Set<org.neo4j.graphalgo.NodeLabel>	nodeLabels()
long	nodePropertyCount()
java.util.Map<org.neo4j.graphalgo.ElementIdentifier,java.util.Set<java.lang.String>>	nodePropertyKeys()
java.util.Set<java.lang.String>	nodePropertyKeys(org.neo4j.graphalgo.NodeLabel label)
long	relationshipCount()
long	relationshipCount(org.neo4j.graphalgo.RelationshipType relationshipType)
long	relationshipPropertyCount()
java.util.Set<java.lang.String>	relationshipPropertyKeys()
java.util.Set<java.lang.String>	relationshipPropertyKeys(org.neo4j.graphalgo.RelationshipType relationshipType)
org.neo4j.values.storable.NumberType	relationshipPropertyType(java.lang.String propertyKey)
java.util.Set<org.neo4j.graphalgo.RelationshipType>	relationshipTypes()
void	release()
void	removeNodeProperty(org.neo4j.graphalgo.NodeLabel nodeLabel, java.lang.String propertyKey)

Methods inherited from class org.neo4j.graphalgo.core.loading.GraphStore

getGraph, getGraph, getGraph, getGraph, modificationTime, nodeProperty, nodeProperty, nodePropertyType, nodes, of, of

Methods inherited from class java.lang.Object

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

Method Detail

nodeCount

public long nodeCount()

Overrides:

nodeCount in class org.neo4j.graphalgo.core.loading.GraphStore

nodeLabels

public java.util.Set<org.neo4j.graphalgo.NodeLabel> nodeLabels()

Overrides:

nodeLabels in class org.neo4j.graphalgo.core.loading.GraphStore

nodePropertyKeys

public java.util.Set<java.lang.String> nodePropertyKeys(org.neo4j.graphalgo.NodeLabel label)

Overrides:

nodePropertyKeys in class org.neo4j.graphalgo.core.loading.GraphStore

nodePropertyKeys

public java.util.Map<org.neo4j.graphalgo.ElementIdentifier,java.util.Set<java.lang.String>> nodePropertyKeys()

Overrides:

nodePropertyKeys in class org.neo4j.graphalgo.core.loading.GraphStore

nodePropertyCount

public long nodePropertyCount()

Overrides:

nodePropertyCount in class org.neo4j.graphalgo.core.loading.GraphStore

hasNodeProperty

public boolean hasNodeProperty(java.util.Collection<org.neo4j.graphalgo.NodeLabel> labels,
                               java.lang.String propertyKey)

Overrides:

hasNodeProperty in class org.neo4j.graphalgo.core.loading.GraphStore

addNodeProperty

public void addNodeProperty(org.neo4j.graphalgo.NodeLabel nodeLabel,
                            java.lang.String propertyKey,
                            org.neo4j.values.storable.NumberType propertyType,
                            org.neo4j.graphalgo.api.NodeProperties propertyValues)

Overrides:

addNodeProperty in class org.neo4j.graphalgo.core.loading.GraphStore

removeNodeProperty

public void removeNodeProperty(org.neo4j.graphalgo.NodeLabel nodeLabel,
                               java.lang.String propertyKey)

Overrides:

removeNodeProperty in class org.neo4j.graphalgo.core.loading.GraphStore

relationshipCount

public long relationshipCount()

Overrides:

relationshipCount in class org.neo4j.graphalgo.core.loading.GraphStore

relationshipCount

public long relationshipCount(org.neo4j.graphalgo.RelationshipType relationshipType)

Overrides:

relationshipCount in class org.neo4j.graphalgo.core.loading.GraphStore

relationshipTypes

public java.util.Set<org.neo4j.graphalgo.RelationshipType> relationshipTypes()

Overrides:

relationshipTypes in class org.neo4j.graphalgo.core.loading.GraphStore

hasRelationshipType

public boolean hasRelationshipType(org.neo4j.graphalgo.RelationshipType relationshipType)

Overrides:

hasRelationshipType in class org.neo4j.graphalgo.core.loading.GraphStore

relationshipPropertyType

public org.neo4j.values.storable.NumberType relationshipPropertyType(java.lang.String propertyKey)

Overrides:

relationshipPropertyType in class org.neo4j.graphalgo.core.loading.GraphStore

relationshipPropertyCount

public long relationshipPropertyCount()

Overrides:

relationshipPropertyCount in class org.neo4j.graphalgo.core.loading.GraphStore

relationshipPropertyKeys

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

Overrides:

relationshipPropertyKeys in class org.neo4j.graphalgo.core.loading.GraphStore

relationshipPropertyKeys

public java.util.Set<java.lang.String> relationshipPropertyKeys(org.neo4j.graphalgo.RelationshipType relationshipType)

Overrides:

relationshipPropertyKeys in class org.neo4j.graphalgo.core.loading.GraphStore

addRelationshipType

public void addRelationshipType(org.neo4j.graphalgo.RelationshipType relationshipType,
                                java.util.Optional<java.lang.String> relationshipPropertyKey,
                                java.util.Optional<org.neo4j.values.storable.NumberType> relationshipPropertyType,
                                org.neo4j.graphalgo.core.huge.HugeGraph.Relationships relationships)

Overrides:

addRelationshipType in class org.neo4j.graphalgo.core.loading.GraphStore

deleteRelationships

public org.neo4j.graphalgo.core.loading.DeletionResult deleteRelationships(org.neo4j.graphalgo.RelationshipType relationshipType)

Overrides:

deleteRelationships in class org.neo4j.graphalgo.core.loading.GraphStore

createGraph

protected org.neo4j.graphalgo.api.IdMapGraph createGraph(java.util.List<org.neo4j.graphalgo.NodeLabel> filteredLabels,
                                                         java.util.List<org.neo4j.graphalgo.RelationshipType> relationshipTypes,
                                                         java.util.Optional<java.lang.String> maybeRelationshipProperty,
                                                         int concurrency)

Overrides:

createGraph in class org.neo4j.graphalgo.core.loading.GraphStore

getUnion

public org.neo4j.graphalgo.api.IdMapGraph getUnion()

Overrides:

getUnion in class org.neo4j.graphalgo.core.loading.GraphStore

canRelease

public void canRelease(boolean canRelease)

Overrides:

canRelease in class org.neo4j.graphalgo.core.loading.GraphStore

release

public void release()

Overrides:

release in class org.neo4j.graphalgo.core.loading.GraphStore