org.mariadb.jdbc.internal.mysql

Class MySQLProtocol

java.lang.Object

org.mariadb.jdbc.internal.mysql.MySQLProtocol

public class MySQLProtocol
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
class	MySQLProtocol.PrepareResult

Field Summary

Fields

Modifier and Type	Field and Description
StreamingSelectResult	activeResult
int	datatypeMappingFlags
boolean	hasWarnings
boolean	moreResults
short	serverStatus

Constructor Summary

Constructors

Constructor and Description
MySQLProtocol(JDBCUrl url, String username, String password, Properties info) Get a protocol instance

Method Summary

Methods

Modifier and Type	Method and Description
void	cancelCurrentQuery() cancels the current query - clones the current protocol and executes a query using the new connection thread safe
void	close() Closes socket and stream readers/writers Attempts graceful shutdown.
void	closePreparedStatement(int statementId)
void	connect()
boolean	createDB()
QueryResult	executeQuery(Query dQuery)
QueryResult	executeQuery(Query dQuery, boolean streaming)
boolean	getAutocommit()
String	getDatabase()
String	getHost()
Properties	getInfo()
int	getMajorServerVersion()
int	getMinorServerVersion()
QueryResult	getMoreResults(boolean streaming)
String	getPassword()
int	getPort()
boolean	getReadonly()
QueryResult	getResult(Query dQuery, boolean streaming)
String	getServerVariable(String variable)
String	getServerVersion()
String	getUsername()
boolean	hasMoreResults()
boolean	hasUnreadData()
static String	hexdump(byte[] buffer, int offset)
static String	hexdump(ByteBuffer bb, int offset)
boolean	inTransaction()
boolean	isClosed()
boolean	isMasterConnection()
boolean	ping()
MySQLProtocol.PrepareResult	prepare(String sql)
void	reconnectToMaster()
void	selectDB(String database)
void	setHostFailed()
void	setLocalInfileInputStream(InputStream inputStream)
void	setMaxRows(int max)
void	setReadonly(boolean readOnly)
boolean	shouldReconnect()
boolean	shouldTryFailback() Check if fail back to master connection is desired,
boolean	versionGreaterOrEqual(int major, int minor, int patch)

Methods inherited from class java.lang.Object

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

Field Detail

moreResults

public boolean moreResults

hasWarnings

public boolean hasWarnings

activeResult

public StreamingSelectResult activeResult

datatypeMappingFlags

public int datatypeMappingFlags

serverStatus

public short serverStatus

Constructor Detail

MySQLProtocol

public MySQLProtocol(JDBCUrl url,
             String username,
             String password,
             Properties info)
              throws QueryException

Get a protocol instance

Parameters:

url - connection URL

username - the username

password - the password

info -

Throws:

QueryException - if there is a problem reading / sending the packets

Method Detail

prepare

public MySQLProtocol.PrepareResult prepare(String sql)
                                    throws QueryException

Throws:

QueryException

closePreparedStatement

public void closePreparedStatement(int statementId)
                            throws QueryException

Throws:

QueryException

setHostFailed

public void setHostFailed()

shouldReconnect

public boolean shouldReconnect()

getAutocommit

public boolean getAutocommit()

reconnectToMaster

public void reconnectToMaster()
                       throws IOException,
                              QueryException

Throws:

IOException

QueryException

connect

public void connect()
             throws QueryException

Throws:

QueryException

isMasterConnection

public boolean isMasterConnection()

shouldTryFailback

public boolean shouldTryFailback()

Check if fail back to master connection is desired,

Returns:

inTransaction

public boolean inTransaction()

getInfo

public Properties getInfo()

hasMoreResults

public boolean hasMoreResults()

close

public void close()

Closes socket and stream readers/writers Attempts graceful shutdown.

Throws:

QueryException - if the socket or readers/writes cannot be closed

isClosed

public boolean isClosed()

Returns:

true if the connection is closed

selectDB

public void selectDB(String database)
              throws QueryException

Throws:

QueryException

getServerVersion

public String getServerVersion()

setReadonly

public void setReadonly(boolean readOnly)

getReadonly

public boolean getReadonly()

getHost

public String getHost()

getPort

public int getPort()

getDatabase

public String getDatabase()

getUsername

public String getUsername()

getPassword

public String getPassword()

ping

public boolean ping()
             throws QueryException

Throws:

QueryException

executeQuery

public QueryResult executeQuery(Query dQuery)
                         throws QueryException

Throws:

QueryException

getResult

public QueryResult getResult(Query dQuery,
                    boolean streaming)
                      throws QueryException

Throws:

QueryException

executeQuery

public QueryResult executeQuery(Query dQuery,
                       boolean streaming)
                         throws QueryException

Throws:

QueryException

getServerVariable

public String getServerVariable(String variable)
                         throws QueryException

Throws:

QueryException

cancelCurrentQuery

public void cancelCurrentQuery()
                        throws QueryException,
                               IOException

cancels the current query - clones the current protocol and executes a query using the new connection

thread safe

Throws:

QueryException

IOException

createDB

public boolean createDB()

getMoreResults

public QueryResult getMoreResults(boolean streaming)
                           throws QueryException

Throws:

QueryException

hexdump

public static String hexdump(byte[] buffer,
             int offset)

hexdump

public static String hexdump(ByteBuffer bb,
             int offset)

hasUnreadData

public boolean hasUnreadData()

setMaxRows

public void setMaxRows(int max)
                throws QueryException

Throws:

QueryException

getMajorServerVersion

public int getMajorServerVersion()

getMinorServerVersion

public int getMinorServerVersion()

versionGreaterOrEqual

public boolean versionGreaterOrEqual(int major,
                            int minor,
                            int patch)

setLocalInfileInputStream

public void setLocalInfileInputStream(InputStream inputStream)