com.mysql.cj.jdbc.ha

Class FailoverConnectionProxy

java.lang.Object

com.mysql.cj.jdbc.ha.MultiHostConnectionProxy

com.mysql.cj.jdbc.ha.FailoverConnectionProxy

All Implemented Interfaces:

java.lang.reflect.InvocationHandler

public class FailoverConnectionProxy
extends MultiHostConnectionProxy

A proxy for a dynamic com.mysql.cj.jdbc.JdbcConnection implementation that provides failover features for list of hosts. Connection switching occurs on communications related exceptions and/or user defined settings, namely when one of the conditions set in 'secondsBeforeRetrySource' or 'queriesBeforeRetrySource' is met.

Field Summary

Fields inherited from class com.mysql.cj.jdbc.ha.MultiHostConnectionProxy

connectionUrl, lastExceptionDealtWith

Method Summary

Modifier and Type	Method and Description
static JdbcConnection	createProxyInstance(ConnectionUrl connectionUrl)
java.lang.Object	invokeMore(java.lang.Object proxy, java.lang.reflect.Method method, java.lang.Object[] args) Continuation of the method invocation process, to be implemented within each subclass.

Methods inherited from class com.mysql.cj.jdbc.ha.MultiHostConnectionProxy

allowedOnClosedConnection, getParentProxy, getProxy, invoke, propagateProxyDown, setProxy

Methods inherited from class java.lang.Object

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

Method Detail

createProxyInstance

public static JdbcConnection createProxyInstance(ConnectionUrl connectionUrl)
                                          throws java.sql.SQLException

Throws:

java.sql.SQLException

invokeMore

public java.lang.Object invokeMore(java.lang.Object proxy,
                                   java.lang.reflect.Method method,
                                   java.lang.Object[] args)
                            throws java.lang.Throwable

Description copied from class: MultiHostConnectionProxy

Continuation of the method invocation process, to be implemented within each subclass.

Parameters:

proxy - proxy object

method - method to invoke

args - method parameters

Returns:

method result

Throws:

java.lang.Throwable - if an error occurs