Package org.mariadb.jdbc.internal.util.pool

Class Pool

java.lang.Object

org.mariadb.jdbc.internal.util.pool.Pool

All Implemented Interfaces:

AutoCloseable, PoolMBean

public class Pool
extends Object
implements AutoCloseable, PoolMBean

Constructor Summary

Constructors

Constructor	Description
Pool(UrlParser urlParser, int poolIndex, ScheduledThreadPoolExecutor poolExecutor)	Create pool from configuration.

Method Summary

Modifier and Type	Method	Description
void	close()	Close pool and underlying connections.
boolean	equals(Object obj)
long	getActiveConnections()
MariaDbConnection	getConnection()	Retrieve new connection.
MariaDbConnection	getConnection(String username, String password)	Get new connection from pool if user and password correspond to pool.
long	getConnectionRequests()
GlobalStateInfo	getGlobalInfo()
long	getIdleConnections()
String	getPoolTag()
long	getTotalConnections()
UrlParser	getUrlParser()
int	hashCode()
void	resetStaticGlobal()	JMX method to remove state (will be reinitialized on next connection creation).
List<Long>	testGetConnectionIdleThreadIds()	For testing purpose only.

Methods inherited from class java.lang.Object

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

Constructor Detail

Pool

public Pool(UrlParser urlParser,
            int poolIndex,
            ScheduledThreadPoolExecutor poolExecutor)

Create pool from configuration.

Parameters:

urlParser - configuration parser

poolIndex - pool index to permit distinction of thread name

poolExecutor - pools common executor

Method Detail

getConnection

public MariaDbConnection getConnection()
                                throws SQLException

Retrieve new connection. If possible return idle connection, if not, stack connection query, ask for a connection creation, and loop until a connection become idle / a new connection is created.

Returns:

a connection object

Throws:

SQLException - if no connection is created when reaching timeout (connectTimeout option)

getConnection

public MariaDbConnection getConnection(String username,
                                       String password)
                                throws SQLException

Get new connection from pool if user and password correspond to pool. If username and password are different from pool, will return a dedicated connection.

Parameters:

username - username

password - password

Returns:

connection

Throws:

SQLException - if any error occur during connection

getUrlParser

public UrlParser getUrlParser()

close

public void close()
           throws InterruptedException

Close pool and underlying connections.

Specified by:

close in interface AutoCloseable

Throws:

InterruptedException - if interrupted

getPoolTag

public String getPoolTag()

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

getGlobalInfo

public GlobalStateInfo getGlobalInfo()

getActiveConnections

public long getActiveConnections()

Specified by:

getActiveConnections in interface PoolMBean

getTotalConnections

public long getTotalConnections()

Specified by:

getTotalConnections in interface PoolMBean

getIdleConnections

public long getIdleConnections()

Specified by:

getIdleConnections in interface PoolMBean

getConnectionRequests

public long getConnectionRequests()

Specified by:

getConnectionRequests in interface PoolMBean

testGetConnectionIdleThreadIds

public List<Long> testGetConnectionIdleThreadIds()

For testing purpose only.

Returns:

current thread id's

resetStaticGlobal

public void resetStaticGlobal()

JMX method to remove state (will be reinitialized on next connection creation).

Specified by:

resetStaticGlobal in interface PoolMBean