net.sourceforge.idrs.jdbc
Class JDBCPool

java.lang.Object
  |
  +--net.sourceforge.idrs.utils.pool.ObjectPool
        |
        +--net.sourceforge.idrs.jdbc.JDBCPool

All Implemented Interfaces:

java.io.Serializable

public class JDBCPool

extends ObjectPool

JDBCPool is an ObjectPool of JDBC connection objects.

See Also:

Serialized Form

Field Summary

protected JDBCInfo

info

Fields inherited from class net.sourceforge.idrs.utils.pool.ObjectPool

count, daysOpen, debug, DEFAULT_DAYS_OPEN, DEFAULT_EXPIRATION, DEFAULT_MIN_POOLSIZE, DEFAULT_PATH, DEFAULT_SLEEPTIME, DEFAULT_TIMEOUT, DEFAULT_TRYS, limit, logPath, MAX_POOLSIZE, maxTrys, minn, out, pool, sleepTime

Constructor Summary

JDBCPool(java.lang.String poolname, java.lang.String drivername, java.lang.String url, java.lang.String username, java.lang.String password, int min, int limit, long daysOpen, long sleep, java.lang.String path, int trys)
Create a JDBCPool with full control of all parameters.

Method Summary

protected PooledObject	create() Creates a new JDBC connection
boolean	equals(java.lang.Object obj)
protected void	expire(PooledObject o) Closes a database connection.
void	freeConnection(java.sql.Connection conn) Returns a connection to the pool.
void	freeConnection(java.lang.String connName)
java.sql.Connection	getConnection() Retrieves a connection.
JDBCInfo	getInfo()
int	hashCode()
protected void	logHeader()
protected void	reset(int index)
void	setInfo(JDBCInfo i)
protected boolean	validate(PooledObject o) Checks to see if the current connection is valid.

Methods inherited from class net.sourceforge.idrs.utils.pool.ObjectPool

checkIn, checkIn, checkOut, getConnID, isDebugging, setDebugging, shouldReset

Methods inherited from class java.lang.Object

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

Field Detail

info

protected JDBCInfo info

Constructor Detail

JDBCPool

public JDBCPool(java.lang.String poolname,
                java.lang.String drivername,
                java.lang.String url,
                java.lang.String username,
                java.lang.String password,
                int min,
                int limit,
                long daysOpen,
                long sleep,
                java.lang.String path,
                int trys)
         throws java.lang.Exception

Create a JDBCPool with full control of all parameters.

Parameters:

drivername - the name of the sql driver

url - the url for the db connection

username - the user of the db connections

password - the paswer for the db user

timeout - the timout for a given connection

sleep - the amount of time between sk4m cycles.

limit - is the maximum number of open connections allowed.

Method Detail

logHeader

protected void logHeader()
                  throws java.lang.Exception

Overrides:

logHeader in class ObjectPool

create

protected PooledObject create()
                       throws java.sql.SQLException

Creates a new JDBC connection

Overrides:

create in class ObjectPool

validate

protected boolean validate(PooledObject o)

Checks to see if the current connection is valid.

Overrides:

validate in class ObjectPool

expire

protected void expire(PooledObject o)

Closes a database connection.

Overrides:

expire in class ObjectPool

getConnection

public java.sql.Connection getConnection()
                                  throws java.sql.SQLException

Retrieves a connection. Renamed from requestConnection

freeConnection

public void freeConnection(java.sql.Connection conn)
                    throws java.lang.Exception

Returns a connection to the pool. Renamed from returnConnection

freeConnection

public void freeConnection(java.lang.String connName)
                    throws java.lang.Exception

getInfo

public JDBCInfo getInfo()

setInfo

public void setInfo(JDBCInfo i)

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class java.lang.Object

reset

protected void reset(int index)

Overrides:

reset in class ObjectPool