Package org.apache.tinkerpop.gremlin.structure.util.star

Class StarGraph.StarVertexProperty<V>

java.lang.Object

org.apache.tinkerpop.gremlin.structure.util.star.StarGraph.StarElement<VertexProperty<V>>

org.apache.tinkerpop.gremlin.structure.util.star.StarGraph.StarVertexProperty<V>

All Implemented Interfaces:

Element, Property<V>, Attachable<VertexProperty<V>>, VertexProperty<V>

Enclosing class:

StarGraph

public final class StarGraph.StarVertexProperty<V>
extends StarGraph.StarElement<VertexProperty<V>>
implements VertexProperty<V>

Nested Class Summary

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

Attachable.Exceptions, Attachable.Method

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

Element.Exceptions

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

VertexProperty.Cardinality, VertexProperty.Exceptions

Field Summary

Fields inherited from class org.apache.tinkerpop.gremlin.structure.util.star.StarGraph.StarElement

id, label

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

DEFAULT_LABEL

Method Summary

Modifier and Type	Method	Description
Vertex	element()	Gets the Vertex that owns this VertexProperty.
boolean	isPresent()	Whether the property is empty or not.
String	key()	The key of the property.
<U> Iterator<Property<U>>	properties(String... propertyKeys)	Get an Iterator of properties where the propertyKeys is meant to be a filter on the available keys.
<U> Property<U>	property(String key, U value)	Add or set a property value for the Element given its key.
void	remove()	Remove the property from the associated element.
String	toString()
V	value()	The value of the property.

Methods inherited from class org.apache.tinkerpop.gremlin.structure.util.star.StarGraph.StarElement

equals, get, graph, hashCode, id, label

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.tinkerpop.gremlin.structure.util.Attachable

attach

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

id, keys, property, value, values

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

ifPresent, orElse, orElseGet, orElseThrow

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

graph, label

Method Detail

key

public String key()

Description copied from interface: Property

The key of the property.

Specified by:

key in interface Property<V>

Returns:

The property key

value

public V value()
        throws NoSuchElementException

Description copied from interface: Property

The value of the property.

Specified by:

value in interface Property<V>

Returns:

The property value

Throws:

NoSuchElementException - thrown if the property is empty

isPresent

public boolean isPresent()

Description copied from interface: Property

Whether the property is empty or not.

Specified by:

isPresent in interface Property<V>

Returns:

True if the property exists, else false

element

public Vertex element()

Description copied from interface: VertexProperty

Gets the Vertex that owns this VertexProperty.

Specified by:

element in interface Property<V>

Specified by:

element in interface VertexProperty<V>

Returns:

The element associated with this property (i.e. Vertex, Edge, or VertexProperty).

remove

public void remove()

Description copied from interface: Property

Remove the property from the associated element.

Specified by:

remove in interface Element

Specified by:

remove in interface Property<V>

properties

public <U> Iterator<Property<U>> properties(String... propertyKeys)

Description copied from interface: VertexProperty

Get an Iterator of properties where the propertyKeys is meant to be a filter on the available keys. If no keys are provide then return all the properties.

Specified by:

properties in interface Element

Specified by:

properties in interface VertexProperty<V>

property

public <U> Property<U> property(String key,
                                U value)

Description copied from interface: Element

Add or set a property value for the Element given its key.

Specified by:

property in interface Element

toString

public String toString()

Overrides:

toString in class Object