org.janusgraph.graphdb.relations

Class AbstractVertexProperty<V>

java.lang.Object

org.janusgraph.graphdb.internal.AbstractElement

org.janusgraph.graphdb.relations.AbstractTypedRelation

org.janusgraph.graphdb.relations.AbstractVertexProperty<V>

All Implemented Interfaces:

Comparable<JanusGraphElement>, org.apache.tinkerpop.gremlin.structure.Element, org.apache.tinkerpop.gremlin.structure.Property<V>, org.apache.tinkerpop.gremlin.structure.VertexProperty<V>, Idfiable, JanusGraphElement, JanusGraphProperty<V>, JanusGraphRelation, JanusGraphVertexProperty<V>, InternalElement, InternalRelation, Removable

Direct Known Subclasses:

CacheVertexProperty, StandardVertexProperty

public abstract class AbstractVertexProperty<V>
extends AbstractTypedRelation
implements JanusGraphVertexProperty<V>

Author:

Matthias Broecheler (me@matthiasb.com)

Property Summary

Type	Property and Description
boolean	is Gets the value of the property property.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.tinkerpop.gremlin.structure.Element

org.apache.tinkerpop.gremlin.structure.Element.Exceptions

Nested classes/interfaces inherited from interface org.apache.tinkerpop.gremlin.structure.VertexProperty

org.apache.tinkerpop.gremlin.structure.VertexProperty.Cardinality, org.apache.tinkerpop.gremlin.structure.VertexProperty.Exceptions

Field Summary

Fields inherited from class org.janusgraph.graphdb.relations.AbstractTypedRelation

type

Fields inherited from interface org.apache.tinkerpop.gremlin.structure.VertexProperty

DEFAULT_LABEL

Constructor Summary

Constructors

Constructor and Description
AbstractVertexProperty(long id, PropertyKey type, InternalVertex vertex, Object value)

Method Summary

Modifier and Type	Method and Description
JanusGraphVertex	element() Returns the vertex on which this property is incident.
int	getArity() Number of vertices on this relation.
int	getLen() Number of vertices on this relation that are aware of its existence.
InternalVertex	getVertex(int pos) Returns the vertex at the given position (0=OUT, 1=IN) of this relation
JanusGraphTransaction	graph()
boolean	isEdge() Checks whether this relation is an edge.
boolean	isPresent()
boolean	isProperty() Gets the value of the property property.
<U> Iterator<org.apache.tinkerpop.gremlin.structure.Property<U>>	properties(String... propertyKeys)
void	setVertexAt(int pos, InternalVertex vertex)
String	toString()
V	value()

Methods inherited from class org.janusgraph.graphdb.relations.AbstractTypedRelation

direction, getType, id, isIncidentOn, isInvisible, isLoop, it, property, tx, value, valueOrNull, verifyAccess

Methods inherited from class org.janusgraph.graphdb.internal.AbstractElement

clone, compare, compareTo, equals, getCompareId, hashCode, hasId, isLoaded, isNew, isRemoved, isTemporaryId, longId, setId

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.janusgraph.core.JanusGraphVertexProperty

propertyKey

Methods inherited from interface org.janusgraph.core.JanusGraphRelation

direction, getType, isIncidentOn, isLoop, value

Methods inherited from interface org.janusgraph.core.JanusGraphElement

hasId, id, isLoaded, isNew, isRemoved, longId, property, remove, valueOrNull

Methods inherited from interface org.apache.tinkerpop.gremlin.structure.Element

keys, label, property, values

Methods inherited from interface org.apache.tinkerpop.gremlin.structure.VertexProperty

empty, label

Methods inherited from interface org.janusgraph.core.JanusGraphProperty

key

Methods inherited from interface org.apache.tinkerpop.gremlin.structure.Property

ifPresent, orElse, orElseGet, orElseThrow, remove

Methods inherited from interface org.janusgraph.graphdb.internal.InternalRelation

getPropertyKeysDirect, getValueDirect, removePropertyDirect, setPropertyDirect

Methods inherited from interface org.janusgraph.graphdb.internal.InternalElement

getLifeCycle, setId

Property Detail

is

public boolean isProperty

Gets the value of the property property.

Specified by:

isProperty in interface JanusGraphRelation

Constructor Detail

AbstractVertexProperty

public AbstractVertexProperty(long id,
                              PropertyKey type,
                              InternalVertex vertex,
                              Object value)

Method Detail

toString

public String toString()

Overrides:

toString in class Object

setVertexAt

public void setVertexAt(int pos,
                        InternalVertex vertex)

getVertex

public InternalVertex getVertex(int pos)

Description copied from interface: InternalRelation

Returns the vertex at the given position (0=OUT, 1=IN) of this relation

Specified by:

getVertex in interface InternalRelation

Returns:

graph

public JanusGraphTransaction graph()

Specified by:

graph in interface org.apache.tinkerpop.gremlin.structure.Element

Specified by:

graph in interface org.apache.tinkerpop.gremlin.structure.VertexProperty<V>

Specified by:

graph in interface JanusGraphElement

Specified by:

graph in interface JanusGraphVertexProperty<V>

Specified by:

graph in interface InternalElement

properties

public <U> Iterator<org.apache.tinkerpop.gremlin.structure.Property<U>> properties(String... propertyKeys)

Specified by:

properties in interface org.apache.tinkerpop.gremlin.structure.Element

Specified by:

properties in interface org.apache.tinkerpop.gremlin.structure.VertexProperty<V>

Overrides:

properties in class AbstractTypedRelation

getArity

public final int getArity()

Description copied from interface: InternalRelation

Number of vertices on this relation.

Specified by:

getArity in interface InternalRelation

Returns:

getLen

public final int getLen()

Description copied from interface: InternalRelation

Number of vertices on this relation that are aware of its existence. This number will differ from InternalRelation.getArity()

Specified by:

getLen in interface InternalRelation

element

public JanusGraphVertex element()

Description copied from interface: JanusGraphVertexProperty

Returns the vertex on which this property is incident.

Specified by:

element in interface org.apache.tinkerpop.gremlin.structure.Property<V>

Specified by:

element in interface org.apache.tinkerpop.gremlin.structure.VertexProperty<V>

Specified by:

element in interface JanusGraphVertexProperty<V>

Returns:

The vertex of this property.

value

public V value()

Specified by:

value in interface org.apache.tinkerpop.gremlin.structure.Property<V>

isProperty

public boolean isProperty()

Gets the value of the property property.

Specified by:

isProperty in interface JanusGraphRelation

isEdge

public boolean isEdge()

Description copied from interface: JanusGraphRelation

Checks whether this relation is an edge.

Specified by:

isEdge in interface JanusGraphRelation

Returns:

true, if this relation is an edge, else false.

See Also:

JanusGraphEdge

isPresent

public boolean isPresent()

Specified by:

isPresent in interface org.apache.tinkerpop.gremlin.structure.Property<V>