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org.mentawai.db
Class C3P0ConnectionHandler  

java.lang.Object
  org.mentawai.db.C3P0ConnectionHandler

All Implemented Interfaces:

ConnectionHandler

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public class C3P0ConnectionHandler

extends java.lang.Object

implements ConnectionHandler

A connection handler that uses the C3P0 connection pool. (http://sourceforge.net/projects/c3p0) To use this class you must have the C3P0 jar in your /WEB-INF/lib directory. You may access the underlying C3P0's ComboPooledDataSource to configure the pool, before you start calling getConnection().

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Field Summary
private  javax.sql.DataSource	cpds

 

Constructor Summary

C3P0ConnectionHandler(java.lang.String driver, java.lang.String url, java.lang.String user, java.lang.String pass)           Constructs a C3P0ConnectionHandler with C3P0's ComboPooledDataSource.

 

Method Summary
javax.sql.DataSource	getComboPooledDataSource()           Gets the underlying C3P0's ComboPooledDataSource.
java.sql.Connection	getConnection()           Returns a Connection to the database.
void	release(java.sql.Connection conn)           Release this connection.
private  void	setValue(java.lang.Object bean, java.lang.String name, java.lang.Object value)

 

Methods inherited from class java.lang.Object

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

 

Field Detail

cpds

private javax.sql.DataSource cpds

Constructor Detail

C3P0ConnectionHandler

public C3P0ConnectionHandler(java.lang.String driver,
                             java.lang.String url,
                             java.lang.String user,
                             java.lang.String pass)

Constructs a C3P0ConnectionHandler with C3P0's ComboPooledDataSource.

Method Detail

setValue

private void setValue(java.lang.Object bean,
                      java.lang.String name,
                      java.lang.Object value)
               throws java.lang.Exception

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getComboPooledDataSource

public javax.sql.DataSource getComboPooledDataSource()

Gets the underlying C3P0's ComboPooledDataSource.

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getConnection

public java.sql.Connection getConnection()
                                  throws java.sql.SQLException

Description copied from interface: ConnectionHandler

Returns a Connection to the database. Notice that it can never return null. If no connection can be acquired, then a SQLException is thrown.

Specified by:

getConnection in interface ConnectionHandler

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release

public void release(java.sql.Connection conn)

Description copied from interface: ConnectionHandler

Release this connection. If this connection handler is using a database pool, the connection is returned to the pool. If this connection handler is not using a database pool, the connection is closed. If the connection passed as an argument is null, nothing is done.

Specified by:

release in interface ConnectionHandler

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