com.peter.db
Class DBConPool

java.lang.Object
  |
  +--com.peter.db.DBConPool

public class DBConPool

extends java.lang.Object

This class handles a pool of database connections

Version:

$Revision: 1.0.1, 2003-11-04 $

Author:

Peter Larsson

Constructor Summary

DBConPool(java.util.Properties props, int sizeOfPool)
Constructor for the a new object

Method Summary

void	closeConnections() Closes all database connections managed by this pool
DBConHandler	getHandler() Returns a DB connection handler
void	releaseHandler(DBConHandler handler) Releases a handler and returns it to the pool of free handlers
void	replaceHandler(DBConHandler handler) Replaces a handler that was forced to be released.

Methods inherited from class java.lang.Object

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

Constructor Detail

DBConPool

public DBConPool(java.util.Properties props,
                 int sizeOfPool)
          throws java.sql.SQLException,
                 java.lang.ClassNotFoundException,
                 java.lang.InstantiationException,
                 java.lang.IllegalAccessException

Constructor for the a new object

Parameters:

props - Database configuration holder

sizeOfPool - The number of connections to create

Throws:

java.sql.SQLException - If a SQLException was thrown

java.lang.ClassNotFoundException - If the driver could not be loaded into memory

java.lang.InstantiationException - If the driver could not be found

java.lang.IllegalAccessException - If the access to the DB could NOT be accessed

Method Detail

getHandler

public DBConHandler getHandler()

Returns a DB connection handler

Returns:

A DB connection handler

releaseHandler

public void releaseHandler(DBConHandler handler)

Releases a handler and returns it to the pool of free handlers

Parameters:

handler - The handler to release

replaceHandler

public void replaceHandler(DBConHandler handler)

Replaces a handler that was forced to be released.

Parameters:

handler - The handler to replace.

closeConnections

public void closeConnections()

Closes all database connections managed by this pool