org.mariadb.jdbc.internal.failover

Class AbstractMastersSlavesListener

java.lang.Object

org.mariadb.jdbc.internal.failover.AbstractMastersListener

org.mariadb.jdbc.internal.failover.AbstractMastersSlavesListener

All Implemented Interfaces:

Listener

Direct Known Subclasses:

MastersSlavesListener

public abstract class AbstractMastersSlavesListener
extends AbstractMastersListener

Field Summary

Fields

Modifier and Type	Field and Description
private static Logger	logger
private java.util.concurrent.atomic.AtomicBoolean	secondaryHostFail
private long	secondaryHostFailNanos
protected java.util.concurrent.atomic.AtomicReference<Protocol>	waitNewMasterProtocol
protected java.util.concurrent.atomic.AtomicReference<Protocol>	waitNewSecondaryProtocol

Fields inherited from class org.mariadb.jdbc.internal.failover.AbstractMastersListener

currentConnectionAttempts, currentProtocol, currentReadOnlyAsked, explicitClosed, globalInfo, lastQueryNanos, lastRetry, proxy, urlParser

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	AbstractMastersSlavesListener(UrlParser urlParser, GlobalStateInfo globalInfo)

Method Summary

Modifier and Type	Method and Description
abstract void	foundActiveSecondary(Protocol newSecondaryProtocol)
SearchFilter	getFilterForFailedHost()
long	getSecondaryHostFailNanos()
HandleErrorResult	handleFailover(java.sql.SQLException qe, java.lang.reflect.Method method, java.lang.Object[] args, Protocol protocol) Handle failover on master or slave connection.
boolean	hasHostFail()
boolean	isMasterHostFailReconnect()
boolean	isSecondaryHostFail()
boolean	isSecondaryHostFailReconnect()
protected void	resetMasterFailoverData()
protected void	resetSecondaryFailoverData()
abstract HandleErrorResult	secondaryFail(java.lang.reflect.Method method, java.lang.Object[] args, boolean killCmd)
boolean	setSecondaryHostFail() Set slave connection lost variables.

Methods inherited from class org.mariadb.jdbc.internal.failover.AbstractMastersListener

abortConnection, addToBlacklist, canRetryFailLoop, checkMasterStatus, clearBlacklist, closeConnection, getBlacklistKeys, getCatalog, getCurrentProtocol, getLastQueryNanos, getMajorServerVersion, getMasterHostFailNanos, getProxy, getRetriesAllDown, getTimeout, getUrlParser, handleFailLoop, initializeConnection, invoke, invoke, isAutoReconnect, isClosed, isExplicitClosed, isMasterConnection, isMasterHostFail, isQueryRelaunchable, isReadOnly, isValid, noBackslashEscapes, pingMasterProtocol, preAutoReconnect, preClose, preExecute, primaryFail, prolog, reconnect, reconnectFailedConnection, relaunchOperation, removeFromBlacklist, removeListenerFromSchedulers, resetOldsBlackListHosts, sessionStateAware, setMasterHostFail, setProxy, setSessionReadOnly, switchReadOnlyConnection, syncConnection, throwFailoverMessage, versionGreaterOrEqual

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.mariadb.jdbc.internal.failover.Listener

foundActiveMaster, getServerThreadId, isMasterConnected, preAbort, rePrepareOnSlave, reset

Field Detail

logger

private static final Logger logger

waitNewSecondaryProtocol

protected final java.util.concurrent.atomic.AtomicReference<Protocol> waitNewSecondaryProtocol

waitNewMasterProtocol

protected final java.util.concurrent.atomic.AtomicReference<Protocol> waitNewMasterProtocol

secondaryHostFailNanos

private volatile long secondaryHostFailNanos

secondaryHostFail

private final java.util.concurrent.atomic.AtomicBoolean secondaryHostFail

Constructor Detail

AbstractMastersSlavesListener

protected AbstractMastersSlavesListener(UrlParser urlParser,
                                        GlobalStateInfo globalInfo)

Method Detail

handleFailover

public HandleErrorResult handleFailover(java.sql.SQLException qe,
                                        java.lang.reflect.Method method,
                                        java.lang.Object[] args,
                                        Protocol protocol)
                                 throws java.lang.Throwable

Handle failover on master or slave connection.

Specified by:

handleFailover in interface Listener

Overrides:

handleFailover in class AbstractMastersListener

Parameters:

method - called method

args - methods parameters

protocol - current protocol

Returns:

HandleErrorResult object to indicate if query has finally been relaunched or exception if not.

Throws:

java.lang.Throwable - if method with parameters doesn't exist

resetMasterFailoverData

protected void resetMasterFailoverData()

Overrides:

resetMasterFailoverData in class AbstractMastersListener

resetSecondaryFailoverData

protected void resetSecondaryFailoverData()

getSecondaryHostFailNanos

public long getSecondaryHostFailNanos()

setSecondaryHostFail

public boolean setSecondaryHostFail()

Set slave connection lost variables.

Returns:

true if fail wasn't seen before

isSecondaryHostFail

public boolean isSecondaryHostFail()

isSecondaryHostFailReconnect

public boolean isSecondaryHostFailReconnect()

isMasterHostFailReconnect

public boolean isMasterHostFailReconnect()

hasHostFail

public boolean hasHostFail()

Specified by:

hasHostFail in interface Listener

Overrides:

hasHostFail in class AbstractMastersListener

getFilterForFailedHost

public SearchFilter getFilterForFailedHost()

Specified by:

getFilterForFailedHost in interface Listener

Overrides:

getFilterForFailedHost in class AbstractMastersListener

secondaryFail

public abstract HandleErrorResult secondaryFail(java.lang.reflect.Method method,
                                                java.lang.Object[] args,
                                                boolean killCmd)
                                         throws java.lang.Throwable

Throws:

java.lang.Throwable

foundActiveSecondary

public abstract void foundActiveSecondary(Protocol newSecondaryProtocol)
                                   throws java.sql.SQLException

Throws:

java.sql.SQLException