com.oceanbase.jdbc.internal.failover

Class AbstractMastersSlavesListener

java.lang.Object

com.oceanbase.jdbc.internal.failover.AbstractMastersListener

com.oceanbase.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
protected AtomicReference<Protocol>	waitNewMasterProtocol
protected AtomicReference<Protocol>	waitNewSecondaryProtocol

Fields inherited from class com.oceanbase.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(SQLException qe, Method method, Object[] args, Protocol protocol, boolean isClosed) Handle failover on master or slave connection.
boolean	hasHostFail()
boolean	isMasterHostFailReconnect()
boolean	isSecondaryHostFail()
boolean	isSecondaryHostFailReconnect()
void	resetMasterFailoverData()
protected void	resetSecondaryFailoverData()
abstract HandleErrorResult	secondaryFail(Method method, Object[] args, boolean killCmd)
boolean	setSecondaryHostFail() Set slave connection lost variables.

Methods inherited from class com.oceanbase.jdbc.internal.failover.AbstractMastersListener

abortConnection, addToBlacklist, addToPickedList, canRetryFailLoop, checkMasterStatus, clearBlacklist, closeConnection, getBlacklist, getBlacklistKeys, getCatalog, getCurrentLoadBalanceInfo, getCurrentProtocol, getLastQueryNanos, getMajorServerVersion, getMasterHostFailNanos, getPickedlist, getProxy, getRetriesAllDown, getRetryAllDowns, getTimeout, getUrlParser, handleFailLoop, initializeConnection, inTransaction, invoke, invoke, isAutoReconnect, isClosed, isExplicitClosed, isMasterConnection, isMasterHostFail, isQueryRelaunchable, isReadOnly, isServerMariaDb, isValid, noBackslashEscapes, pingMasterProtocol, preAutoReconnect, preClose, preExecute, primaryFail, prolog, reconnect, reconnectFailedConnection, relaunchOperation, removeFromBlacklist, removeFromPickedList, removeListenerFromSchedulers, resetHostStateInfo, resetOldsBlackListHosts, sessionStateAware, setCurrentLoadBalanceInfo, setMasterHostFail, setProxy, setRetryAllDowns, 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 com.oceanbase.jdbc.internal.failover.Listener

foundActiveMaster, getServerThreadId, isMasterConnected, preAbort, rePrepareOnSlave, reset

Field Detail

waitNewSecondaryProtocol

protected final AtomicReference<Protocol> waitNewSecondaryProtocol

waitNewMasterProtocol

protected final AtomicReference<Protocol> waitNewMasterProtocol

Constructor Detail

AbstractMastersSlavesListener

protected AbstractMastersSlavesListener(UrlParser urlParser,
                                        GlobalStateInfo globalInfo)

Method Detail

handleFailover

public HandleErrorResult handleFailover(SQLException qe,
                                        Method method,
                                        Object[] args,
                                        Protocol protocol,
                                        boolean isClosed)
                                 throws SQLException

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:

SQLException - if primary fail reconnection fails

resetMasterFailoverData

public 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(Method method,
                                                Object[] args,
                                                boolean killCmd)
                                         throws SQLException

Throws:

SQLException

foundActiveSecondary

public abstract void foundActiveSecondary(Protocol newSecondaryProtocol)
                                   throws SQLException

Throws:

SQLException