io.shardingsphere.core.metadata

Class ShardingMetaData

java.lang.Object

io.shardingsphere.core.metadata.ShardingMetaData

Direct Known Subclasses:

JDBCShardingMetaData, ProxyShardingMetaData

public abstract class ShardingMetaData
extends Object

Abstract Sharding metadata.

Author:

panjuan, zhaojun

Constructor Summary

Constructors

Constructor and Description
ShardingMetaData()

Method Summary

Modifier and Type	Method and Description
abstract Collection<ColumnMetaData>	getColumnMetaDataList(DataNode dataNode, ShardingDataSourceNames shardingDataSourceNames, Map<String,Connection> connectionMap) Get column metadata implementing by concrete handler.
void	init(ShardingRule shardingRule) Initialize sharding metadata.
void	refresh(TableRule each, ShardingRule shardingRule) refresh each tableMetaData by TableRule.
void	refresh(TableRule each, ShardingRule shardingRule, Map<String,Connection> connectionMap) refresh each tableMetaData by TableRule.

Methods inherited from class java.lang.Object

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

Constructor Detail

ShardingMetaData

public ShardingMetaData()

Method Detail

init

public void init(ShardingRule shardingRule)
          throws SQLException

Initialize sharding metadata.

Parameters:

shardingRule - sharding rule

Throws:

SQLException - SQL exception

refresh

public void refresh(TableRule each,
                    ShardingRule shardingRule)
             throws SQLException

refresh each tableMetaData by TableRule.

Parameters:

each - table rule

shardingRule - sharding rule

Throws:

SQLException - SQL Exception

refresh

public void refresh(TableRule each,
                    ShardingRule shardingRule,
                    Map<String,Connection> connectionMap)
             throws SQLException

refresh each tableMetaData by TableRule.

Parameters:

each - table rule

shardingRule - sharding rule

connectionMap - connection map passing from sharding connection

Throws:

SQLException - SQL exception

getColumnMetaDataList

public abstract Collection<ColumnMetaData> getColumnMetaDataList(DataNode dataNode,
                                                                 ShardingDataSourceNames shardingDataSourceNames,
                                                                 Map<String,Connection> connectionMap)
                                                          throws SQLException

Get column metadata implementing by concrete handler.

Parameters:

dataNode - DataNode

shardingDataSourceNames - ShardingDataSourceNames

connectionMap - connection map from sharding connection

Returns:

ColumnMetaData

Throws:

SQLException - SQL exception