com.mysql.cj.jdbc.ha.plugins

Class ReaderClusterConnectionPlugin

java.lang.Object

com.mysql.cj.jdbc.ha.plugins.ReaderClusterConnectionPlugin

All Implemented Interfaces:

IConnectionPlugin, ITransactionContextHandler

public class ReaderClusterConnectionPlugin
extends java.lang.Object
implements IConnectionPlugin

This connection plugin is used when connecting through reader cluster endpoints, where all new connections should be directed to the same reader instance rather than a random reader instance for each new connection.

Field Summary

Fields

Modifier and Type	Field and Description
protected IConnectionProvider	connectionProvider

Constructor Summary

Constructors

Constructor and Description
ReaderClusterConnectionPlugin(ICurrentConnectionProvider currentConnectionProvider, IConnectionPlugin nextPlugin)
ReaderClusterConnectionPlugin(ICurrentConnectionProvider currentConnectionProvider, IConnectionPlugin nextPlugin, IConnectionProvider connectionProvider)

Method Summary

Modifier and Type	Method and Description
java.lang.Object	execute(java.lang.Class<?> methodInvokeOn, java.lang.String methodName, java.util.concurrent.Callable<?> executeSqlFunc, java.lang.Object[] args)
void	openInitialConnection(ConnectionUrl connectionUrl)
void	releaseResources()
void	transactionBegun() Called when the driver has been told by the server that a transaction is now in progress (when one has not been currently in progress).
void	transactionCompleted() Called when the driver has been told by the server that a transaction has completed, and no transaction is currently in progress.

Methods inherited from class java.lang.Object

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

Field Detail

connectionProvider

protected IConnectionProvider connectionProvider

Constructor Detail

ReaderClusterConnectionPlugin

public ReaderClusterConnectionPlugin(ICurrentConnectionProvider currentConnectionProvider,
                                     IConnectionPlugin nextPlugin)

ReaderClusterConnectionPlugin

public ReaderClusterConnectionPlugin(ICurrentConnectionProvider currentConnectionProvider,
                                     IConnectionPlugin nextPlugin,
                                     IConnectionProvider connectionProvider)

Method Detail

execute

public java.lang.Object execute(java.lang.Class<?> methodInvokeOn,
                                java.lang.String methodName,
                                java.util.concurrent.Callable<?> executeSqlFunc,
                                java.lang.Object[] args)
                         throws java.lang.Exception

Specified by:

execute in interface IConnectionPlugin

Throws:

java.lang.Exception

openInitialConnection

public void openInitialConnection(ConnectionUrl connectionUrl)
                           throws java.sql.SQLException

Specified by:

openInitialConnection in interface IConnectionPlugin

Throws:

java.sql.SQLException

releaseResources

public void releaseResources()

Specified by:

releaseResources in interface IConnectionPlugin

transactionBegun

public void transactionBegun()

Description copied from interface: ITransactionContextHandler

Called when the driver has been told by the server that a transaction is now in progress (when one has not been currently in progress).

Specified by:

transactionBegun in interface ITransactionContextHandler

transactionCompleted

public void transactionCompleted()

Description copied from interface: ITransactionContextHandler

Called when the driver has been told by the server that a transaction has completed, and no transaction is currently in progress.

Specified by:

transactionCompleted in interface ITransactionContextHandler