org.apache.shardingsphere.shardingproxy.backend.communication.jdbc.datasource

Class JDBCBackendDataSource

java.lang.Object

org.apache.shardingsphere.shardingproxy.backend.communication.jdbc.datasource.JDBCBackendDataSource

All Implemented Interfaces:

AutoCloseable, BackendDataSource

public final class JDBCBackendDataSource
extends Object
implements BackendDataSource, AutoCloseable

Backend data source for JDBC.

Author:

zhaojun, zhangliang, panjuan, maxiaoguang

Constructor Summary

Constructors

Constructor and Description
JDBCBackendDataSource(Map<String,YamlDataSourceParameter> dataSourceParameters)

Method Summary

Modifier and Type	Method and Description
void	close()
Connection	getConnection(String dataSourceName) Get connection.
List<Connection>	getConnections(org.apache.shardingsphere.core.constant.ConnectionMode connectionMode, String dataSourceName, int connectionSize) Get connections.
List<Connection>	getConnections(org.apache.shardingsphere.core.constant.ConnectionMode connectionMode, String dataSourceName, int connectionSize, org.apache.shardingsphere.transaction.core.TransactionType transactionType) Get connections.
void	renew(Map<String,YamlDataSourceParameter> dataSourceParameters) Renew JDBC backend data source.

Methods inherited from class java.lang.Object

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

Constructor Detail

JDBCBackendDataSource

public JDBCBackendDataSource(Map<String,YamlDataSourceParameter> dataSourceParameters)

Method Detail

getConnection

public Connection getConnection(String dataSourceName)
                         throws SQLException

Get connection.

Parameters:

dataSourceName - data source name

Returns:

connection

Throws:

SQLException - SQL exception

getConnections

public List<Connection> getConnections(org.apache.shardingsphere.core.constant.ConnectionMode connectionMode,
                                       String dataSourceName,
                                       int connectionSize)
                                throws SQLException

Get connections.

Parameters:

connectionMode - connection mode

dataSourceName - data source name

connectionSize - size of connections to get

Returns:

connections

Throws:

SQLException - SQL exception

getConnections

public List<Connection> getConnections(org.apache.shardingsphere.core.constant.ConnectionMode connectionMode,
                                       String dataSourceName,
                                       int connectionSize,
                                       org.apache.shardingsphere.transaction.core.TransactionType transactionType)
                                throws SQLException

Get connections.

Parameters:

connectionMode - connection mode

dataSourceName - data source name

connectionSize - size of connections to be get

transactionType - transaction type

Returns:

connections

Throws:

SQLException - SQL exception

close

public void close()
           throws Exception

Specified by:

close in interface AutoCloseable

Throws:

Exception

renew

public void renew(Map<String,YamlDataSourceParameter> dataSourceParameters)
           throws Exception

Renew JDBC backend data source.

Parameters:

dataSourceParameters - data source parameters

Throws:

Exception - exception