/******************************************************************************** * * * (c) Copyright 2010 Verizon Communications USA and The Open University UK * * * * This software is freely distributed in accordance with * * the GNU Lesser General Public (LGPL) license, version 3 or later * * as published by the Free Software Foundation. * * For details see LGPL: http://www.fsf.org/licensing/licenses/lgpl.html * * and GPL: http://www.fsf.org/licensing/licenses/gpl-3.0.html * * * * This software is provided by the copyright holders and contributors "as is" * * and any express or implied warranties, including, but not limited to, the * * implied warranties of merchantability and fitness for a particular purpose * * are disclaimed. In no event shall the copyright owner or contributors be * * liable for any direct, indirect, incidental, special, exemplary, or * * consequential damages (including, but not limited to, procurement of * * substitute goods or services; loss of use, data, or profits; or business * * interruption) however caused and on any theory of liability, whether in * * contract, strict liability, or tort (including negligence or otherwise) * * arising in any way out of the use of this software, even if advised of the * * possibility of such damage. * * * ********************************************************************************/ package com.compendium.core.datamodel.services; import java.sql.SQLException; import java.util.Vector; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import com.compendium.core.datamodel.ExternalConnection; import com.compendium.core.datamodel.PCSession; import com.compendium.core.db.DBExternalConnection; import com.compendium.core.db.management.DBConnection; import com.compendium.core.db.management.DBDatabaseManager; /** * The ExternalConnectionService class for interacting with the Database layer. * The ExternalConnection service class provides services to manipuate ExternalConnection objects in the Connections table. * * @author Michelle Bachler */ public class ExternalConnectionService extends ClientService implements IExternalConnectionService, java.io.Serializable { /** * class's own logger */ final Logger log = LoggerFactory.getLogger(getClass()); /** * Constructor. */ public ExternalConnectionService() { super(); } /** * Constructor, set the name of the service. * * @param String sName, the name of this service. */ public ExternalConnectionService(String sName) { super(sName); } /** * Constructor. * * @param String name, the unique name of this service * @param ServiceManager sm, the current ServiceManager * @param DBDtabaseManager dbMgr, the current DBDatabaseManager */ public ExternalConnectionService(String name, ServiceManager sm, DBDatabaseManager dbMgr) { super(name, sm, dbMgr) ; } /** * Adds a new connection to the database and returns it if successful. * * @param PCSession session, the PCSession object for the database to use. * @param ExternalConnection oConnection, the ExternalConnection object to create a record for. * @return boolean, true if the creation was successful, else false. * @exception java.sql.SQLException */ public boolean createExternalConnection(PCSession session, ExternalConnection oConnection) throws SQLException { DBConnection dbcon = getDatabaseManager().requestConnection(session.getModelName()); boolean isSuccessful = DBExternalConnection.insert(dbcon, oConnection); getDatabaseManager().releaseConnection(session.getModelName(),dbcon); return isSuccessful; } /** * Update a connection in the database and returns it if successful. * * @param PCSession session, the PCSession object for the database to use. * @param ExternalConnection oConnection, the ExternalConnection object to update the record for. * @param String sProfile, the olf profile name for the record to be updated. * @param int nType, the old connection type for the record being updated. * @return boolean, true if the update was successful, else false. * @exception java.sql.SQLException */ public boolean updateExternalConnection( PCSession session, ExternalConnection oConnection, String sProfile, int nType) throws SQLException { DBConnection dbcon = getDatabaseManager().requestConnection(session.getModelName()) ; boolean isSuccessful = DBExternalConnection.update(dbcon, oConnection, sProfile, nType); getDatabaseManager().releaseConnection(session.getModelName(),dbcon); return isSuccessful; } /** * Deletes a external connection from the database and returns true if successful * * @param PCSession session, the PCSession object for the database to use. * @param ExternalConnection connection, the external connection to delete. * @return boolean, true if the deletion was successful, else false. * @exception java.sql.SQLException */ public boolean deleteExternalConnection(PCSession session, ExternalConnection oConnection) throws SQLException { DBConnection dbcon = getDatabaseManager().requestConnection(session.getModelName()); boolean deleted = DBExternalConnection.delete(dbcon, oConnection); getDatabaseManager().releaseConnection(session.getModelName(),dbcon); return deleted; } /** * Get all the connection of the given type for the given userid. * * @param PCSession session, the PCSession object for the database to use. * @param String sUserID, the user id of the user whose connections to return. * @param int nType, the type of connections to return. * @return Vector, a list of the connections requested. * @exception java.sql.SQLException */ public Vector getExternalConnections(PCSession session, String sUserID, int nType) throws SQLException { DBConnection dbcon = getDatabaseManager().requestConnection(session.getModelName()) ; Vector connections = DBExternalConnection.getConnections(dbcon, sUserID, nType); getDatabaseManager().releaseConnection(session.getModelName(),dbcon); return connections; } }