com.vesoft.nebula.client.graph.data

Class Relationship

java.lang.Object

com.vesoft.nebula.client.graph.data.BaseDataObject

com.vesoft.nebula.client.graph.data.Relationship

public class Relationship
extends BaseDataObject

Constructor Summary

Constructors

Constructor and Description
Relationship(Edge edge) Relationship is a wrapper around the Edge type returned by nebula-graph

Method Summary

Modifier and Type	Method and Description
ValueWrapper	dstId() get the dst id from the relationship
String	edgeName() get edge name from the relationship
boolean	equals(Object o)
int	hashCode()
List<String>	keys() get all property name from the relationship
HashMap<String,ValueWrapper>	properties() get property names and values from the relationship
long	ranking() get ranking from the relationship
ValueWrapper	srcId() get the src id from the relationship
String	toString()
List<ValueWrapper>	values() get property values from the relationship

Methods inherited from class com.vesoft.nebula.client.graph.data.BaseDataObject

getDecodeType, getTimezoneOffset, setDecodeType, setTimezoneOffset

Methods inherited from class java.lang.Object

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

Constructor Detail

Relationship

public Relationship(Edge edge)

Relationship is a wrapper around the Edge type returned by nebula-graph

Parameters:

edge - the Edge type returned by nebula-graph

Method Detail

srcId

public ValueWrapper srcId()

get the src id from the relationship

Returns:

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

dstId

public ValueWrapper dstId()

get the dst id from the relationship

Returns:

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

edgeName

public String edgeName()

get edge name from the relationship

Returns:

String

ranking

public long ranking()

get ranking from the relationship

Returns:

long

keys

public List<String> keys()
                  throws UnsupportedEncodingException

get all property name from the relationship

Returns:

the List of String

Throws:

UnsupportedEncodingException - if decode binary failed

values

public List<ValueWrapper> values()

get property values from the relationship

Returns:

the List of ValueWrapper

properties

public HashMap<String,ValueWrapper> properties()
                                        throws UnsupportedEncodingException

get property names and values from the relationship

Returns:

the HashMap, key is String, value is ValueWrapper>

Throws:

UnsupportedEncodingException

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object