org.dmonix.jdbc
Class DMConnectionDriver

java.lang.Object
  org.dmonix.jdbc.DMConnectionDriver

All Implemented Interfaces:

java.sql.Driver

public class DMConnectionDriver

extends java.lang.Object

implements java.sql.Driver

Provides methods to load drivers and create new database connections.
Each instance of the class can handle one database base URL.

Copyright: Copyright (c) 2003

Company: dmonix.org

Version:

1.0

Author:

Peter Nerg

Constructor Summary

DMConnectionDriver(java.lang.String driverClass, java.lang.String url, java.lang.String user, java.lang.String password, int initialSize)
Registers a generic driver manager and creates a connection pool.

Method Summary

boolean	acceptsURL(java.lang.String url)
void	closeConnections() This will close and remove all connections from the pool.
java.sql.Connection	connect(java.lang.String url, java.util.Properties props) Gets a connection from the connection pool.
int	getMajorVersion() Returns the MAJOR version of the driver.
int	getMinorVersion() Returns the MINOR version of the driver.
java.sql.DriverPropertyInfo[]	getPropertyInfo(java.lang.String str, java.util.Properties props) This method does nothing.
boolean	jdbcCompliant() The driver is not JDBC compliant

Methods inherited from class java.lang.Object

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

Constructor Detail

DMConnectionDriver

public DMConnectionDriver(java.lang.String driverClass,
                          java.lang.String url,
                          java.lang.String user,
                          java.lang.String password,
                          int initialSize)
                   throws java.lang.ClassNotFoundException,
                          java.lang.InstantiationException,
                          java.lang.IllegalAccessException,
                          java.sql.SQLException

Registers a generic driver manager and creates a connection pool.
This generic driver registers it self to accept the same URL as the driver class provided. The constructor does the following:

• Registers this Driver object with the DriverManager
<
• Loads the Driver class passed to the constructor.
• Initializes a ConnectionPool object for the connections with the database URL, login user ID, and login password passed to the constructor by the calling program.
• Deregisters the Driver class passed to the constructor.

Parameters:

driverClass -

url -

user -

password -

Throws:

java.lang.ClassNotFoundException

java.lang.InstantiationException

java.lang.IllegalAccessException

java.sql.SQLException

Method Detail

connect

public java.sql.Connection connect(java.lang.String url,
                                   java.util.Properties props)
                            throws java.sql.SQLException

Gets a connection from the connection pool.

Specified by:

connect in interface java.sql.Driver

Parameters:

url -

props - not used may as well be set to null

Returns:

Throws:

java.sql.SQLException

acceptsURL

public boolean acceptsURL(java.lang.String url)
                   throws java.sql.SQLException

Specified by:

acceptsURL in interface java.sql.Driver

Throws:

java.sql.SQLException

closeConnections

public void closeConnections()

This will close and remove all connections from the pool.

getMajorVersion

public int getMajorVersion()

Returns the MAJOR version of the driver.

Specified by:

getMajorVersion in interface java.sql.Driver

Returns:

getMinorVersion

public int getMinorVersion()

Returns the MINOR version of the driver.

Specified by:

getMinorVersion in interface java.sql.Driver

Returns:

getPropertyInfo

public java.sql.DriverPropertyInfo[] getPropertyInfo(java.lang.String str,
                                                     java.util.Properties props)

This method does nothing.
It will return a DriverPropertyInfo array of zero length.

Specified by:

getPropertyInfo in interface java.sql.Driver

Parameters:

str -

props -

Returns:

jdbcCompliant

public boolean jdbcCompliant()

The driver is not JDBC compliant

Specified by:

jdbcCompliant in interface java.sql.Driver

Returns:

false