org.apache.shardingsphere.infra.rule.identifier.type

Interface DataNodeContainedRule

All Superinterfaces:

ShardingSphereRule

public interface DataNodeContainedRule
extends ShardingSphereRule

ShardingSphere rule which contains data node.

Method Summary

Modifier and Type	Method and Description
Optional<String>	findActualTableByCatalog(String catalog, String logicTable) Find actual table name via catalog.
Optional<String>	findFirstActualTable(String logicTable) Find first actual table name.
Optional<String>	findLogicTableByActualTable(String actualTable) Find logic table name via actual table name.
Map<String,Collection<DataNode>>	getAllDataNodes() Get all data nodes.
Collection<String>	getAllTables() Get all tables.
Collection<DataNode>	getDataNodesByTableName(String tableName) Get data nodes by table name.
boolean	isNeedAccumulate(Collection<String> tables) Is need accumulate.

Methods inherited from interface org.apache.shardingsphere.infra.rule.ShardingSphereRule

getType

Method Detail

getAllDataNodes

Map<String,Collection<DataNode>> getAllDataNodes()

Get all data nodes.

Returns:

all data nodes map, key is logic table name, values are data node collection belong to the key

getDataNodesByTableName

Collection<DataNode> getDataNodesByTableName(String tableName)

Get data nodes by table name.

Parameters:

tableName - table name

Returns:

data nodes

findFirstActualTable

Optional<String> findFirstActualTable(String logicTable)

Find first actual table name.

Parameters:

logicTable - logic table name

Returns:

the first actual table name

isNeedAccumulate

boolean isNeedAccumulate(Collection<String> tables)

Is need accumulate.

Parameters:

tables - table names

Returns:

need accumulate

findLogicTableByActualTable

Optional<String> findLogicTableByActualTable(String actualTable)

Find logic table name via actual table name.

Parameters:

actualTable - actual table name

Returns:

logic table name

findActualTableByCatalog

Optional<String> findActualTableByCatalog(String catalog,
                                          String logicTable)

Find actual table name via catalog.

Parameters:

catalog - catalog

logicTable - logic table name

Returns:

actual table name

getAllTables

Collection<String> getAllTables()

Get all tables.

Returns:

all tables