org.apache.flink.connector.nebula.connection

Class NebulaMetaConnectionProvider

java.lang.Object

org.apache.flink.connector.nebula.connection.NebulaMetaConnectionProvider

All Implemented Interfaces:

Serializable

public class NebulaMetaConnectionProvider
extends Object
implements Serializable

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
NebulaMetaConnectionProvider(NebulaClientOptions nebulaClientOptions)

Method Summary

Modifier and Type	Method and Description
Map<String,Integer>	getEdgeSchema(com.vesoft.nebula.client.meta.MetaClient metaClient, String space, String edge) get schema info for edge
com.vesoft.nebula.client.meta.MetaClient	getMetaClient()
Map<String,Integer>	getTagSchema(com.vesoft.nebula.client.meta.MetaClient metaClient, String space, String tag) get schema info for tag
VidTypeEnum	getVidType(com.vesoft.nebula.client.meta.MetaClient metaClient, String space) get Nebula Graph vid type

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

NebulaMetaConnectionProvider

public NebulaMetaConnectionProvider(NebulaClientOptions nebulaClientOptions)

Method Detail

getMetaClient

public com.vesoft.nebula.client.meta.MetaClient getMetaClient()
                                                       throws com.facebook.thrift.TException,
                                                              com.vesoft.nebula.client.graph.exception.ClientServerIncompatibleException,
                                                              UnknownHostException

Throws:

com.facebook.thrift.TException

com.vesoft.nebula.client.graph.exception.ClientServerIncompatibleException

UnknownHostException

getVidType

public VidTypeEnum getVidType(com.vesoft.nebula.client.meta.MetaClient metaClient,
                              String space)

get Nebula Graph vid type

Parameters:

space - nebula graph space

Returns:

VidTypeEnum

getTagSchema

public Map<String,Integer> getTagSchema(com.vesoft.nebula.client.meta.MetaClient metaClient,
                                        String space,
                                        String tag)

get schema info for tag

Parameters:

space - nebula graph space

tag - nebula graph tag

Returns:

Map property name -> PropertyType

getEdgeSchema

public Map<String,Integer> getEdgeSchema(com.vesoft.nebula.client.meta.MetaClient metaClient,
                                         String space,
                                         String edge)

get schema info for edge

Parameters:

space - nebula graph space

edge - nebula graph edge

Returns:

Map property name -> PropertyType