org.deegree_impl.io
Class DBPool

java.lang.Object
  java.util.TimerTask
      org.deegree_impl.tools.ObjectPool
          org.deegree_impl.io.DBPool

All Implemented Interfaces:

java.lang.Runnable

public class DBPool

extends ObjectPool

class to manage a pool of database connections.

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Version:

07.02.2001

Author:

Andreas Poth

Field Summary

private java.lang.String	database
private java.lang.String	driver
private java.util.Properties	properties

Fields inherited from class org.deegree_impl.tools.ObjectPool

available, existingInstances, in_use, startLifeTime, startUsageTime

Fields inherited from class java.util.TimerTask

Constructor Summary

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

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

Method Summary

java.lang.Object	acuireObject() 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_impl.tools.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

Field Detail

driver

private java.lang.String driver

database

private java.lang.String database

properties

private java.util.Properties properties

Constructor Detail

DBPool

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

DBPool

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

Method Detail

acuireObject

public java.lang.Object acuireObject()
                              throws java.lang.Exception

get an object from the object pool

Throws:

java.lang.Exception

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