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java.lang.Objectorg.openswing.swing.server.ConnectionManager
Title: OpenSwing Framework
Description: Database Connection Factory: it creates a ConnectionSource object as manager of database connections.
This is a sngleton class: developers can directly refer this class to access to the database from the rest of the application (server side).Copyright: Copyright (C) 2006 Mauro Carniel
This file is part of OpenSwing Framework. This library is free software; you can redistribute it and/or modify it under the terms of the (LGPL) Lesser General Public License as published by the Free Software Foundation; GNU LESSER GENERAL PUBLIC LICENSE Version 2.1, February 1999 This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with this library; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. The author may be contacted at: maurocarniel@tin.it
Constructor Summary | |
ConnectionManager()
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Method Summary | |
static java.sql.Connection |
getConnection(javax.servlet.ServletContext context)
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static void |
initConnectionSource(javax.servlet.http.HttpServlet servlet,
java.lang.String connectionSourceClassName)
Method called by the server controller (class Controller). |
static boolean |
isConnectionSourceCreated()
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static void |
releaseConnection(java.sql.Connection conn,
javax.servlet.ServletContext context)
Release a database connection |
Methods inherited from class java.lang.Object |
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
public ConnectionManager()
Method Detail |
public static boolean isConnectionSourceCreated()
true
if the connection source has been correcly created, false
otherwisepublic static java.sql.Connection getConnection(javax.servlet.ServletContext context) throws java.lang.Exception
context
- servlet context; used to retrieve database connection settings
java.lang.Exception
public static void releaseConnection(java.sql.Connection conn, javax.servlet.ServletContext context)
conn
- database connection to releasecontext
- servlet context; used to retrieve database connection settingspublic static void initConnectionSource(javax.servlet.http.HttpServlet servlet, java.lang.String connectionSourceClassName)
connectionSourceClassName
- database connection manager class name
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