org.logicalcobwebs.proxool
Class PrototyperController

java.lang.Object
  org.logicalcobwebs.proxool.PrototyperController

public class PrototyperController

extends java.lang.Object

Controls the prototypers

Since:

Proxool 0.8

Version:

$Revision: 1.5 $, $Date: 2003/03/10 23:43:11 $

Author:

bill, $Author: billhorsman $ (current maintainer)

Field Summary

private static boolean	keepSweeping
private static Log	LOG
private static PrototyperThread	prototyperThread

Constructor Summary

PrototyperController()

Method Summary

protected static ProxyConnectionIF	buildConnection(java.lang.String alias, int state, java.lang.String creator) Build a new connection
static void	cancel(java.lang.String alias) Cancel this prototyper and stop all prototyping immediately.
protected static void	checkSimultaneousBuildThrottle(java.lang.String alias) Checks whether we are currently already building too many connections
protected static void	connectionRemoved(java.lang.String alias)
private static ConnectionPool	getConnectionPool(java.lang.String alias)
static boolean	isKeepSweeping()
static void	sweepStarted()
protected static void	triggerSweep(java.lang.String alias) Trigger prototyping immediately.

Methods inherited from class java.lang.Object

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

Field Detail

LOG

private static final Log LOG

prototyperThread

private static PrototyperThread prototyperThread

keepSweeping

private static boolean keepSweeping

Constructor Detail

PrototyperController

public PrototyperController()

Method Detail

triggerSweep

protected static void triggerSweep(java.lang.String alias)

Trigger prototyping immediately. Runs inside a new Thread so control returns as quick as possible. You should call this whenever you suspect that building more connections might be a good idea.

Parameters:

alias -

buildConnection

protected static ProxyConnectionIF buildConnection(java.lang.String alias,
                                                   int state,
                                                   java.lang.String creator)
                                            throws java.sql.SQLException,
                                                   ProxoolException

Build a new connection

Parameters:

alias - identifies the pool

state - the initial state it will be created as (this allows us to create it as ACTIVE and avoid another thread grabbing it before we can)

creator - for log audit

Returns:

the new connection

Throws:

java.sql.SQLException - if there was a problem building the connection

ProxoolException - if the alias doesn't exist

getConnectionPool

private static ConnectionPool getConnectionPool(java.lang.String alias)
                                         throws ProxoolException

Throws:

ProxoolException

checkSimultaneousBuildThrottle

protected static void checkSimultaneousBuildThrottle(java.lang.String alias)
                                              throws java.sql.SQLException,
                                                     ProxoolException

Checks whether we are currently already building too many connections

Parameters:

alias - identifies the pool

Throws:

java.sql.SQLException - if the throttle has been reached

ProxoolException

cancel

public static void cancel(java.lang.String alias)

Cancel this prototyper and stop all prototyping immediately.

Parameters:

alias - identifies the pool

connectionRemoved

protected static void connectionRemoved(java.lang.String alias)

isKeepSweeping

public static boolean isKeepSweeping()

sweepStarted

public static void sweepStarted()