zeta.handler.database
Class ConnectionPool

java.lang.Object
  |
  +--zeta.handler.database.ConnectionPool

public class ConnectionPool

extends java.lang.Object

A JDBC connection in the connection pool, and is essentially a wrapper around a real JDBC connection.

See Also:

Connection

Field Summary

private static long	agedTimeout
private java.lang.String	checkQuery
private java.util.LinkedList	connections
private static long	connectionTimeout
private java.lang.String	password
private int	poolsize
private ConnectionReaper	reaper
private int	totalConnections
private static long	unusedTimeout
private java.lang.String	url
private java.lang.String	user

Constructor Summary

ConnectionPool(java.lang.String url, java.lang.String user, java.lang.String password, int poolsize, int totalConnections, java.lang.String checkQuery)

Method Summary

protected boolean	checkConnection(java.sql.Connection con)
void	closeConnections()
protected void	finalize()
java.sql.Connection	getConnection()
int	getPoolsize()
java.lang.String	getURL()
void	reapConnections()
private void	removeConnection(PooledConnection con)
void	returnConnection(PooledConnection con)
void	setURL(java.lang.String url)

Methods inherited from class java.lang.Object

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

Field Detail

connections

private java.util.LinkedList connections

url

private java.lang.String url

user

private java.lang.String user

password

private java.lang.String password

checkQuery

private java.lang.String checkQuery

poolsize

private int poolsize

totalConnections

private int totalConnections

reaper

private ConnectionReaper reaper

connectionTimeout

private static final long connectionTimeout

See Also:

Constant Field Values

unusedTimeout

private static final long unusedTimeout

See Also:

Constant Field Values

agedTimeout

private static final long agedTimeout

See Also:

Constant Field Values

Constructor Detail

ConnectionPool

public ConnectionPool(java.lang.String url,
                      java.lang.String user,
                      java.lang.String password,
                      int poolsize,
                      int totalConnections,
                      java.lang.String checkQuery)

Method Detail

getURL

public java.lang.String getURL()

setURL

public void setURL(java.lang.String url)

reapConnections

public void reapConnections()

closeConnections

public void closeConnections()

getConnection

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

java.sql.SQLException

returnConnection

public void returnConnection(PooledConnection con)

getPoolsize

public int getPoolsize()

checkConnection

protected boolean checkConnection(java.sql.Connection con)
                           throws java.sql.SQLException

java.sql.SQLException

finalize

protected void finalize()

Overrides:

finalize in class java.lang.Object

removeConnection

private void removeConnection(PooledConnection con)