org.mariadb.jdbc.internal.protocol

Class AuroraProtocol

java.lang.Object

org.mariadb.jdbc.internal.protocol.AbstractConnectProtocol

org.mariadb.jdbc.internal.protocol.AbstractQueryProtocol

org.mariadb.jdbc.internal.protocol.MasterProtocol

org.mariadb.jdbc.internal.protocol.MastersSlavesProtocol

org.mariadb.jdbc.internal.protocol.AuroraProtocol

All Implemented Interfaces:

Closeable, AutoCloseable, Protocol

public class AuroraProtocol
extends MastersSlavesProtocol

Field Summary

Fields inherited from class org.mariadb.jdbc.internal.protocol.MastersSlavesProtocol

masterConnection

Fields inherited from class org.mariadb.jdbc.internal.protocol.AbstractConnectProtocol

activeStreamingResult, autoIncrementIncrement, CHECK_GALERA_STATE_QUERY, connected, database, eofDeprecated, exceptionFactory, explicitClosed, galeraAllowedStates, hasWarnings, lock, options, proxy, reader, readOnly, serverCapabilities, serverPrepareStatementCache, serverStatus, serverThreadId, socket, socketTimeout, traceCache, urlParser, writer

Constructor Summary

Constructors

Constructor and Description
AuroraProtocol(UrlParser url, GlobalStateInfo globalInfo, ReentrantLock lock, LruTraceCache traceCache)

Method Summary

Modifier and Type	Method and Description
boolean	checkIfMaster() Aurora best way to check if a node is a master : is not in read-only mode.
static AuroraProtocol	getNewProtocol(FailoverProxy proxy, GlobalStateInfo globalInfo, UrlParser urlParser) Initialize new protocol instance.
boolean	isMasterConnection() Indicate if current protocol is a master protocol.
boolean	isValid(int timeout) Check that connection is valid. !!
static void	loop(AuroraListener listener, GlobalStateInfo globalInfo, List<HostAddress> addresses, SearchFilter initialSearchFilter) loop until found the failed connection.
void	readPipelineCheckMaster()

Methods inherited from class org.mariadb.jdbc.internal.protocol.MastersSlavesProtocol

foundMaster, foundSecondary, loop, mustBeMasterConnection, setMustBeMasterConnection

Methods inherited from class org.mariadb.jdbc.internal.protocol.MasterProtocol

loop

Methods inherited from class org.mariadb.jdbc.internal.protocol.AbstractQueryProtocol

addPrepareInCache, cancelCurrentQuery, closeExplicit, executeBatchClient, executeBatchServer, executeBatchStmt, executePreparedQuery, executeQuery, executeQuery, executeQuery, executeQuery, executeQuery, forceReleasePrepareStatement, forceReleaseWaitingPrepareStatement, getAutocommit, getAutoIncrementIncrement, getCatalog, getMaxRows, getResult, getTimeout, getTransactionIsolationLevel, handleIoException, interrupt, inTransaction, isInterrupted, ping, prepare, prolog, prologProxy, releasePrepareStatement, reset, resetDatabase, resetStateAfterFailover, rollback, setActiveFutureTask, setCatalog, setLocalInfileInputStream, setMaxRows, setTimeout, setTransactionIsolation, stopIfInterrupted

Methods inherited from class org.mariadb.jdbc.internal.protocol.AbstractConnectProtocol

abort, changeSocketSoTimeout, changeSocketTcpNoDelay, close, connect, connectWithoutProxy, destroySocket, getActiveStreamingResult, getDatabase, getHost, getHostAddress, getLock, getMajorServerVersion, getMinorServerVersion, getOptions, getPinGlobalTxToPhysicalConnection, getPort, getProxy, getReader, getReadonly, getServerThreadId, getServerVersion, getSocket, getTimeZone, getTraces, getUrlParser, getUsername, getWriter, hasMoreResults, hasWarnings, isClosed, isConnected, isEofDeprecated, isExplicitClosed, isServerMariaDb, noBackslashEscapes, prepareStatementCache, readEofPacket, removeActiveStreamingResult, removeHasMoreResults, sessionStateAware, setActiveStreamingResult, setHasWarnings, setHostAddress, setHostFailedWithoutProxy, setProxy, setReadonly, setServerStatus, shouldReconnectWithoutProxy, skip, skipEofPacket, versionGreaterOrEqual

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.io.Closeable

close

Methods inherited from interface org.mariadb.jdbc.internal.protocol.Protocol

abort, changeSocketSoTimeout, changeSocketTcpNoDelay, close, connect, connectWithoutProxy, getActiveStreamingResult, getDatabase, getHost, getHostAddress, getLock, getMajorServerVersion, getMinorServerVersion, getOptions, getPinGlobalTxToPhysicalConnection, getPort, getProxy, getReader, getReadonly, getServerThreadId, getServerVersion, getSocket, getTimeZone, getTraces, getUrlParser, getUsername, getWriter, hasMoreResults, hasWarnings, isClosed, isConnected, isEofDeprecated, isExplicitClosed, isServerMariaDb, noBackslashEscapes, prepareStatementCache, readEofPacket, removeActiveStreamingResult, removeHasMoreResults, sessionStateAware, setActiveStreamingResult, setHasWarnings, setHostAddress, setHostFailedWithoutProxy, setProxy, setReadonly, setServerStatus, shouldReconnectWithoutProxy, skip, skipEofPacket, versionGreaterOrEqual

Constructor Detail

AuroraProtocol

public AuroraProtocol(UrlParser url,
                      GlobalStateInfo globalInfo,
                      ReentrantLock lock,
                      LruTraceCache traceCache)

Method Detail

loop

public static void loop(AuroraListener listener,
                        GlobalStateInfo globalInfo,
                        List<HostAddress> addresses,
                        SearchFilter initialSearchFilter)
                 throws SQLException

loop until found the failed connection.

Parameters:

listener - current failover

globalInfo - server global variables information

addresses - list of HostAddress to loop

initialSearchFilter - search parameter

Throws:

SQLException - if not found

getNewProtocol

public static AuroraProtocol getNewProtocol(FailoverProxy proxy,
                                            GlobalStateInfo globalInfo,
                                            UrlParser urlParser)

Initialize new protocol instance.

Parameters:

proxy - proxy

globalInfo - server global variables information

urlParser - connection string data's

Returns:

new AuroraProtocol

isMasterConnection

public boolean isMasterConnection()

Description copied from class: AbstractConnectProtocol

Indicate if current protocol is a master protocol.

Specified by:

isMasterConnection in interface Protocol

Overrides:

isMasterConnection in class AbstractConnectProtocol

Returns:

is master flag

readPipelineCheckMaster

public void readPipelineCheckMaster()
                             throws SQLException

Overrides:

readPipelineCheckMaster in class AbstractConnectProtocol

Throws:

SQLException

isValid

public boolean isValid(int timeout)
                throws SQLException

Description copied from class: AbstractQueryProtocol

Check that connection is valid. !! careful, timeout is in milliseconds, connection.isValid(timeout) is in seconds !!

Specified by:

isValid in interface Protocol

Overrides:

isValid in class AbstractQueryProtocol

Parameters:

timeout - timeout in milliseconds

Returns:

true is valid

Throws:

SQLException - if any error occur

checkIfMaster

public boolean checkIfMaster()
                      throws SQLException

Aurora best way to check if a node is a master : is not in read-only mode.

Specified by:

checkIfMaster in interface Protocol

Overrides:

checkIfMaster in class AbstractConnectProtocol

Returns:

indicate if master has been found

Throws:

SQLException - if requesting infos for server fail.