Node Class Reference

Inheritance diagram for Node:

Collaboration diagram for Node:

Public Member Functions
	Node (Vertex vertex) throws UnsupportedEncodingException
	Node is a wrapper around the Vertex type returned by nebula-graph. More...
ValueWrapper	getId ()
	get vid from the node More...
List< String >	tagNames ()
	get all tag name from the node More...
List< String >	labels ()
	Used to be compatible with older versions of interfaces. More...
boolean	hasTagName (String tagName)
	determine if node contains the given tag More...
boolean	hasLabel (String tagName)
	Used to be compatible with older versions of interfaces. More...
List< ValueWrapper >	values (String tagName)
	get property values from the node More...
List< String >	keys (String tagName) throws UnsupportedEncodingException
	get property names from the node More...
HashMap< String, ValueWrapper >	properties (String tagName) throws UnsupportedEncodingException
	get property names and values from the node More...
boolean	equals (Object o)
int	hashCode ()
String	toString ()
Public Member Functions inherited from BaseDataObject
String	getDecodeType ()
BaseDataObject	setDecodeType (String decodeType)
int	getTimezoneOffset ()
BaseDataObject	setTimezoneOffset (int timezoneOffset)

Detailed Description

Definition at line 18 of file Node.java.

Constructor & Destructor Documentation

Node()

Node

(

Vertex

vertex

)

throws UnsupportedEncodingException

Node is a wrapper around the Vertex type returned by nebula-graph.

Parameters

vertex

the vertex returned by nebula-graph

Exceptions

UnsupportedEncodingException

if decoded binary failed

Definition at line 29 of file Node.java.

Member Function Documentation

getId()

ValueWrapper getId

(

)

get vid from the node

Returns

ValueWrapper, if int id, you can call getId().asLong(), if string id, you can call getId().asString()

Definition at line 45 of file Node.java.

hasLabel()

boolean hasLabel

(

String

tagName

)

Used to be compatible with older versions of interfaces.

Returns

tboolean

Definition at line 78 of file Node.java.

hasTagName()

boolean hasTagName

(

String

tagName

)

determine if node contains the given tag

Parameters

tagName

the tag name

Returns

boolean

Definition at line 70 of file Node.java.

keys()

List<String> keys

(

String

tagName

)

throws UnsupportedEncodingException

get property names from the node

Parameters

tagName

the given tag name

Returns

the list of property names

Exceptions

UnsupportedEncodingException

decode error exception

Definition at line 105 of file Node.java.

labels()

List<String> labels

(

)

Used to be compatible with older versions of interfaces.

Returns

the list of tag name

Definition at line 61 of file Node.java.

properties()

HashMap<String, ValueWrapper> properties

(

String

tagName

)

throws UnsupportedEncodingException

get property names and values from the node

Parameters

tagName

the given tag name

Returns

the HashMap, key is property name, value is ValueWrapper

Exceptions

UnsupportedEncodingException

decode error exception

Definition at line 124 of file Node.java.

tagNames()

List<String> tagNames

(

)

get all tag name from the node

Returns

the list of tag name

Definition at line 53 of file Node.java.

values()

List<ValueWrapper> values

(

String

tagName

)

get property values from the node

Parameters

tagName

the tag name

Returns

the list of ValueWrapper

Definition at line 87 of file Node.java.

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The documentation for this class was generated from the following file:

• client/src/main/java/com/vesoft/nebula/client/graph/data/Node.java