org.deegree.io
Class DBPool

java.lang.Object
  java.util.TimerTask
      org.deegree.framework.util.ObjectPool
          org.deegree.io.DBPool

All Implemented Interfaces:

java.lang.Runnable

public class DBPool
extends ObjectPool

class to manage a pool of database connections.

Since:

2.0

Version:

$Revision: 21456 $, 1.0. $Revision: 21456 $, $Date: 2009-12-15 15:17:33 +0100 (Di, 15 Dez 2009) $

Author:

Andreas Poth, last edited by: $Author: aschmitz $

Field Summary

Fields inherited from class org.deegree.framework.util.ObjectPool

available, existingInstances, in_use, startLifeTime, startUsageTime

Constructor Summary

DBPool(java.lang.String driver, java.lang.String database, java.util.Properties properties)
initialize pool for defined connection parameters

DBPool(java.lang.String driver, java.lang.String database, java.lang.String user, java.lang.String password)
initialize pool for defined connection parameters

Method Summary

java.lang.Object	acquireObject() get an object from the object pool
void	onObjectKill(java.lang.Object o) will be called when the object is removed from the pool

Methods inherited from class org.deegree.framework.util.ObjectPool

clear, getInstance, getMaxInstances, getMaxLifeTime, getMaxUsageTime, getUpdateInterval, releaseObject, run, setMaxInstances, setMaxLifeTime, setMaxUsageTime, setUpdateInterval, toString

Methods inherited from class java.util.TimerTask

cancel, scheduledExecutionTime

Methods inherited from class java.lang.Object

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

Constructor Detail

DBPool

public DBPool(java.lang.String driver,
              java.lang.String database,
              java.lang.String user,
              java.lang.String password)

initialize pool for defined connection parameters

Parameters:

driver -

database -

user -

password -

DBPool

public DBPool(java.lang.String driver,
              java.lang.String database,
              java.util.Properties properties)

initialize pool for defined connection parameters

Parameters:

driver -

database -

properties -

Method Detail

acquireObject

public java.lang.Object acquireObject()
                               throws DBPoolException

get an object from the object pool

Returns:

the object

Throws:

DBPoolException

onObjectKill

public void onObjectKill(java.lang.Object o)

will be called when the object is removed from the pool

Specified by:

onObjectKill in class ObjectPool

Parameters:

o -