net.walend.jdbc
Class ConnectionSource

java.lang.Object
  |
  +--net.walend.jdbc.ConnectionSource

public class ConnectionSource

extends java.lang.Object

A static class that hands out database connections.

Since:

20001127

Author:

David Walend

Field Summary

private static java.lang.String	DEFAULT
private static java.lang.Object	guard guard for protecting theSource and namesToURLs.
private MutableMap	namesToDataSources
private static ConnectionSource	theSource Singleton.

Constructor Summary

private

ConnectionSource(java.lang.String driverName, javax.sql.DataSource dataSource)

Method Summary

private void	addDataSource(java.lang.String name, javax.sql.DataSource dataSource)
static void	addDB(java.lang.String name, javax.sql.DataSource dataSource)
static void	addDB(java.lang.String name, java.lang.String driverName, java.lang.String dbURL, java.lang.String userName, java.lang.String passWord)
private boolean	containsDataSource(java.lang.String name)
static boolean	containsDB(java.lang.String name)
static java.sql.Connection	getConnection() Get a connection to a database.
static java.sql.Connection	getConnection(java.lang.String connectionName) Get a connection to a database.
private javax.sql.DataSource	getDataSourceForName(java.lang.String name)

Methods inherited from class java.lang.Object

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

Field Detail

theSource

private static ConnectionSource theSource

Singleton.

guard

private static java.lang.Object guard

guard for protecting theSource and namesToURLs.

DEFAULT

private static final java.lang.String DEFAULT

namesToDataSources

private MutableMap namesToDataSources

Constructor Detail

ConnectionSource

private ConnectionSource(java.lang.String driverName,
                         javax.sql.DataSource dataSource)
                  throws java.sql.SQLException

Parameters:

defaultDBURL - the url to use to grab connections in the (no parameter) getConnection() method

Method Detail

addDataSource

private void addDataSource(java.lang.String name,
                           javax.sql.DataSource dataSource)
                    throws java.sql.SQLException

addDB

public static void addDB(java.lang.String name,
                         java.lang.String driverName,
                         java.lang.String dbURL,
                         java.lang.String userName,
                         java.lang.String passWord)
                  throws java.sql.SQLException

addDB

public static void addDB(java.lang.String name,
                         javax.sql.DataSource dataSource)
                  throws java.sql.SQLException

containsDB

public static boolean containsDB(java.lang.String name)

containsDataSource

private boolean containsDataSource(java.lang.String name)

getDataSourceForName

private javax.sql.DataSource getDataSourceForName(java.lang.String name)
                                           throws java.sql.SQLException

getConnection

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

Get a connection to a database.

getConnection

public static java.sql.Connection getConnection(java.lang.String connectionName)
                                         throws java.sql.SQLException

Get a connection to a database.