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

Class BackendConnection

java.lang.Object

org.apache.shardingsphere.shardingproxy.backend.communication.jdbc.connection.BackendConnection

All Implemented Interfaces:

AutoCloseable

public final class BackendConnection
extends Object
implements AutoCloseable

Backend connection.

Author:

zhaojun, zhangliang

Constructor Summary

Constructors

Constructor and Description
BackendConnection(org.apache.shardingsphere.transaction.core.TransactionType transactionType)

Method Summary

Modifier and Type	Method and Description
void	add(ResultSet resultSet) Add result set.
void	add(Statement statement) Add statement.
void	close()
void	close(boolean forceClose) Close cached connection.
List<Connection>	getConnections(org.apache.shardingsphere.core.constant.ConnectionMode connectionMode, String dataSourceName, int connectionSize) Get connections of current thread datasource.
int	getConnectionSize() Get connection size.
boolean	isSerialExecute() Whether execute SQL serial or not.
void	setCurrentSchema(String schemaName) Change logic schema of current channel.
void	setTransactionType(org.apache.shardingsphere.transaction.core.TransactionType transactionType) Change transaction type of current channel.

Methods inherited from class java.lang.Object

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

Constructor Detail

BackendConnection

public BackendConnection(org.apache.shardingsphere.transaction.core.TransactionType transactionType)

Method Detail

setTransactionType

public void setTransactionType(org.apache.shardingsphere.transaction.core.TransactionType transactionType)

Change transaction type of current channel.

Parameters:

transactionType - transaction type

setCurrentSchema

public void setCurrentSchema(String schemaName)

Change logic schema of current channel.

Parameters:

schemaName - schema name

getConnections

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

Get connections of current thread datasource.

Parameters:

connectionMode - connection mode

dataSourceName - data source name

connectionSize - size of connections to be get

Returns:

connections

Throws:

SQLException - SQL exception

isSerialExecute

public boolean isSerialExecute()

Whether execute SQL serial or not.

Returns:

true or false

getConnectionSize

public int getConnectionSize()

Get connection size.

Returns:

connection size

add

public void add(Statement statement)

Add statement.

Parameters:

statement - statement to be added

add

public void add(ResultSet resultSet)

Add result set.

Parameters:

resultSet - result set to be added

close

public void close()
           throws SQLException

Specified by:

close in interface AutoCloseable

Throws:

SQLException

close

public void close(boolean forceClose)
           throws SQLException

Close cached connection.

Parameters:

forceClose - force close flag

Throws:

SQLException - SQL exception