org.apache.tinkerpop.gremlin.hadoop.structure

Class HadoopVertexProperty<V>

java.lang.Object

org.apache.tinkerpop.gremlin.hadoop.structure.HadoopVertexProperty<V>

All Implemented Interfaces:

Element, Property<V>, WrappedVertexProperty<VertexProperty<V>>, VertexProperty<V>

public final class HadoopVertexProperty<V>
extends Object
implements VertexProperty<V>, WrappedVertexProperty<VertexProperty<V>>

Author:

Marko A. Rodriguez (http://markorodriguez.com)

Nested Class Summary

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

VertexProperty.Cardinality, VertexProperty.Exceptions

Field Summary

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

DEFAULT_LABEL

Constructor Summary

Constructors

Constructor and Description
HadoopVertexProperty(VertexProperty<V> baseVertexProperty, HadoopVertex hadoopVertex)

Method Summary

Modifier and Type	Method and Description
Vertex	element() Gets the Vertex that owns this VertexProperty.
boolean	equals(Object object)
VertexProperty<V>	getBaseVertexProperty()
int	hashCode()
Object	id() Gets the unique identifier for the graph Element.
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) Get a Property for the Element given its key.
<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 java.lang.Object

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

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

empty, graph, label

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

ifPresent, orElse, orElseGet, orElseThrow

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

keys, value, values

Constructor Detail

HadoopVertexProperty

public HadoopVertexProperty(VertexProperty<V> baseVertexProperty,
                            HadoopVertex hadoopVertex)

Method Detail

id

public Object id()

Description copied from interface: Element

Gets the unique identifier for the graph Element.

Specified by:

id in interface Element

Returns:

The id of the element

value

public V value()

Description copied from interface: Property

The value of the property.

Specified by:

value in interface Property<V>

Returns:

The property value

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

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>

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

property

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

Description copied from interface: Element

Get a Property for the Element given its key. The default implementation calls the raw Element.properties(java.lang.String...).

Specified by:

property in interface Element

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

equals

public boolean equals(Object object)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object

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).

getBaseVertexProperty

public VertexProperty<V> getBaseVertexProperty()

Specified by:

getBaseVertexProperty in interface WrappedVertexProperty<VertexProperty<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>