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/*
========== licence begin GPL
Copyright (C) 2002-2003 SAP AG
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
========== licence end
*/
package com.sap.dbtech.jdbc;
import java.sql.*;
import com.sap.dbtech.jdbc.exceptions.*;
/**
*
*/
abstract class ConnectionItem {
protected ConnectionSapDB connection;
protected SQLWarning warningList;
/**
*
* @param connection com.sap.dbtech.jdbc.ConnectionSapDBTech
*/
public ConnectionItem(ConnectionSapDB connection) {
this.connection = connection;
this.warningList = null;
}
/**
*
* @param warning java.sql.SQLWarning
*/
final public void addWarning (SQLWarning warning) {
if (this.warningList == null) {
this.warningList = warning;
}
else {
this.warningList.setNextWarning (warning);
}
}
/**
*
* @exception com.sap.dbtech.jdbc.exceptions.SQLExceptionSapDBTech The exception description.
*/
final protected void assertOpen () throws SQLExceptionSapDB {
if (this.connection == null
|| this.connection.session == null) {
throw new ObjectIsClosedException (this);
}
}
/**
*
* @exception java.sql.SQLException The exception description.
*/
final public void clearWarnings() throws SQLException {
this.warningList = null;
}
/**
*
*/
final public void closeDummy () throws SQLException {}
/**
*
* @return java.sql.Connection
*/
final public Connection getConnection ()
throws SQLException
{
return this.connection;
}
/**
*
* @return java.sql.Connection
*/
final public ConnectionSapDB getConnectionSapDB () {
return this.connection;
}
/**
*
* @return java.sql.SQLWarning
* @exception java.sql.SQLException The exception description.
*/
final public SQLWarning getWarnings() throws SQLException {
return warningList;
}
/**
* Throws an exception to indicate that a feature is unsupported by the
* database.
* @param msg The complete message, already localised.
* @exception com.sap.dbtech.jdbc.exceptions.JDBCDriverException always.
*/
final protected void throwNotSupported (String msg)
throws JDBCDriverException
{
throw new JDBCDriverException (msg, this);
}
}
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