public final class StarGraph.StarVertexProperty<V> extends StarGraph.StarElement<VertexProperty<V>> implements VertexProperty<V>
VertexProperty.Cardinality, VertexProperty.Exceptions
Attachable.Exceptions, Attachable.Method
id, label
DEFAULT_LABEL
Modifier and Type | Method and 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.
|
equals, get, graph, hashCode, id, label
clone, finalize, getClass, notify, notifyAll, wait, wait, wait
empty, graph, label
ifPresent, orElse, orElseGet, orElseThrow
id, keys, property, value, values
attach
public V value() throws NoSuchElementException
Property
value
in interface Property<V>
NoSuchElementException
- thrown if the property is emptypublic boolean isPresent()
Property
public Vertex element()
VertexProperty
Vertex
that owns this VertexProperty
.element
in interface Property<V>
element
in interface VertexProperty<V>
Vertex
, Edge
, or VertexProperty
).public void remove()
Property
public <U> Iterator<Property<U>> properties(String... propertyKeys)
VertexProperty
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.properties
in interface Element
properties
in interface VertexProperty<V>
public <U> Property<U> property(String key, U value)
Element
Element
given its key.Copyright © 2013–2019 Apache Software Foundation. All rights reserved.