org.mmbase.module.database
Class MultiPool

java.lang.Object
  org.mmbase.module.database.MultiPool

public class MultiPool

extends java.lang.Object

JDBC Pool, a dummy interface to multiple real connection

Version:

$Id: MultiPool.java,v 1.51.2.2 2004/07/30 17:08:12 michiel Exp $

Author:

vpro

Warning: No Java Documentation Available.

Method Summary

protected void	createPool() Creates and fills the connection pool
protected boolean	fillPool(boolean logStack) Fills the connection pool.
protected void	finalize()
java.util.Iterator	getBusyPool() For reporting purposes the connections in busypool can be listed.
protected MultiConnection	getMultiConnection() Request a new 'real' Connection and wraps it in a new 'MultiConnection' object.
java.util.Iterator	getPool() For reporting purposes the connections in pool can be listed.
int	getSize() get the pool size
int	getTotalConnectionsCreated() get the number of statements performed
protected void	replaceConnection(MultiConnection multiCon) Tries to fix this multi-connection if it is broken (e.g.
void	shutdown() 'realcloses' all connections.
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Method Detail

createPool

protected void createPool()

Creates and fills the connection pool

Since:

MMBase-1.7

fillPool

protected boolean fillPool(boolean logStack)

Fills the connection pool.

Returns:

true if the pool contains connections and mmbase can be started.

Since:

MMBase-1.7

getMultiConnection

protected MultiConnection getMultiConnection()
                                      throws java.sql.SQLException

Request a new 'real' Connection and wraps it in a new 'MultiConnection' object.

Throws:

java.sql.SQLException

Since:

MMBase-1.7

replaceConnection

protected void replaceConnection(MultiConnection multiCon)
                          throws java.sql.SQLException

Tries to fix this multi-connection if it is broken (e.g. if database restarted).

Throws:

java.sql.SQLException

Since:

MMBase-1.7.1

finalize

protected void finalize()

shutdown

public void shutdown()

'realcloses' all connections.

Since:

MMBase-1.6.2

getSize

public int getSize()

get the pool size

getTotalConnectionsCreated

public int getTotalConnectionsCreated()

get the number of statements performed

getPool

public java.util.Iterator getPool()

For reporting purposes the connections in pool can be listed. An Iterator on a copy of the Pool is returned.

See Also:

JDBC.listConnections(org.mmbase.util.StringTagger)

getBusyPool

public java.util.Iterator getBusyPool()

For reporting purposes the connections in busypool can be listed. An Iterator on a copy of the BusyPool is returned.

See Also:

JDBC.listConnections(org.mmbase.util.StringTagger)

toString

public java.lang.String toString()

Warning: No Java Documentation Available.