org.apache.flink.connector.nebula.catalog

类 NebulaCatalog

java.lang.Object

org.apache.flink.table.catalog.AbstractCatalog

org.apache.flink.connector.nebula.catalog.AbstractNebulaCatalog

org.apache.flink.connector.nebula.catalog.NebulaCatalog

所有已实现的接口:

org.apache.flink.table.catalog.Catalog

public class NebulaCatalog
extends AbstractNebulaCatalog

字段概要

从类继承的字段 org.apache.flink.connector.nebula.catalog.AbstractNebulaCatalog

address, password, username

构造器概要

构造器

构造器和说明
NebulaCatalog(String catalogName, String defaultDatabase, String username, String pwd, String address)

方法概要

限定符和类型	方法和说明
org.apache.flink.table.catalog.CatalogDatabase	getDatabase(String databaseName)
org.apache.flink.table.catalog.CatalogBaseTable	getTable(org.apache.flink.table.catalog.ObjectPath tablePath)
List<String>	listDatabases()
List<String>	listTables(String graphSpace) show all tags and edges
boolean	tableExists(org.apache.flink.table.catalog.ObjectPath tablePath) objectName in tablePath mush start with VERTEX. or EDGE.

从类继承的方法 org.apache.flink.connector.nebula.catalog.AbstractNebulaCatalog

alterDatabase, alterFunction, alterPartition, alterPartitionColumnStatistics, alterPartitionStatistics, alterTable, alterTableColumnStatistics, alterTableStatistics, close, createDatabase, createFunction, createPartition, createTable, databaseExists, dropDatabase, dropDatabase, dropFunction, dropPartition, dropTable, functionExists, getAddress, getFactory, getFunction, getPartition, getPartitionColumnStatistics, getPartitionStatistics, getPassword, getTableColumnStatistics, getTableStatistics, getUsername, listFunctions, listPartitions, listPartitions, listPartitionsByFilter, listViews, open, partitionExists, renameTable

从类继承的方法 org.apache.flink.table.catalog.AbstractCatalog

getDefaultDatabase, getName

从类继承的方法 java.lang.Object

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

从接口继承的方法 org.apache.flink.table.catalog.Catalog

getFunctionDefinitionFactory, getTableFactory

构造器详细资料

NebulaCatalog

public NebulaCatalog(String catalogName,
                     String defaultDatabase,
                     String username,
                     String pwd,
                     String address)

方法详细资料

listDatabases

public List<String> listDatabases()
                           throws org.apache.flink.table.catalog.exceptions.CatalogException

抛出:

org.apache.flink.table.catalog.exceptions.CatalogException

getDatabase

public org.apache.flink.table.catalog.CatalogDatabase getDatabase(String databaseName)
                                                           throws org.apache.flink.table.catalog.exceptions.DatabaseNotExistException,
                                                                  org.apache.flink.table.catalog.exceptions.CatalogException

抛出:

org.apache.flink.table.catalog.exceptions.DatabaseNotExistException

org.apache.flink.table.catalog.exceptions.CatalogException

tableExists

public boolean tableExists(org.apache.flink.table.catalog.ObjectPath tablePath)
                    throws org.apache.flink.table.catalog.exceptions.CatalogException

objectName in tablePath mush start with VERTEX. or EDGE.

参数:

tablePath - A graphSpace name and label name.

返回:

抛出:

org.apache.flink.table.catalog.exceptions.CatalogException

listTables

public List<String> listTables(String graphSpace)
                        throws org.apache.flink.table.catalog.exceptions.DatabaseNotExistException,
                               org.apache.flink.table.catalog.exceptions.CatalogException

show all tags and edges

参数:

graphSpace - nebula graph space

返回:

List of Tag and Edge, tag starts with VERTEX. and edge starts with EDGE. .

抛出:

org.apache.flink.table.catalog.exceptions.DatabaseNotExistException

org.apache.flink.table.catalog.exceptions.CatalogException

getTable

public org.apache.flink.table.catalog.CatalogBaseTable getTable(org.apache.flink.table.catalog.ObjectPath tablePath)
                                                         throws org.apache.flink.table.catalog.exceptions.TableNotExistException,
                                                                org.apache.flink.table.catalog.exceptions.CatalogException

抛出:

org.apache.flink.table.catalog.exceptions.TableNotExistException

org.apache.flink.table.catalog.exceptions.CatalogException