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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.jdbcext;
import java.sql.Connection;
import java.sql.SQLException;
import java.sql.Savepoint;
public class ClientSavepointSapDB
implements Savepoint
{
Savepoint originalSavepoint;
private ClientConnectionSapDB clientConnection;
static java.sql.Savepoint createNew(Savepoint originalSavepoint,
ClientConnectionSapDB clientConnection)
{
ClientSavepointSapDB sp=new ClientSavepointSapDB(originalSavepoint,
clientConnection);
return (java.sql.Savepoint)sp;
}
private ClientSavepointSapDB(Savepoint originalSavepoint,
ClientConnectionSapDB clientConnection)
{
this.originalSavepoint=originalSavepoint;
this.clientConnection=clientConnection;
}
void exceptionOccurred(SQLException sqlEx)
{
this.clientConnection.exceptionOccurred(sqlEx);
}
// Code for delegation of java.sql.Savepoint methods to originalSavepoint
public int getSavepointId() throws SQLException
{
try {
return originalSavepoint.getSavepointId();
} catch(SQLException sqlEx) {
exceptionOccurred(sqlEx);
throw sqlEx;
}
}
public String getSavepointName() throws SQLException
{
try {
return originalSavepoint.getSavepointName();
} catch(SQLException sqlEx) {
exceptionOccurred(sqlEx);
throw sqlEx;
}
}
static Savepoint setSavepoint(ClientConnectionSapDB connection)
throws SQLException
{
Savepoint sp = connection.getPhysicalConnection().setSavepoint();
return sp==null ? null : ClientSavepointSapDB.createNew(sp, connection);
}
static Savepoint setSavepoint(String name, ClientConnectionSapDB connection)
throws SQLException
{
Savepoint sp = connection.getPhysicalConnection().setSavepoint(name);
return sp==null ? null : ClientSavepointSapDB.createNew(sp, (ClientConnectionSapDB)connection);
}
static void releaseSavepoint(Connection connection, Savepoint sp)
throws SQLException
{
if(sp instanceof ClientSavepointSapDB) {
connection.releaseSavepoint( ((ClientSavepointSapDB)sp).originalSavepoint );
} else {
connection.releaseSavepoint( sp );
}
}
static void rollback(Connection connection, Savepoint sp)
throws SQLException
{
if(sp instanceof ClientSavepointSapDB) {
connection.rollback( ((ClientSavepointSapDB)sp).originalSavepoint );
} else {
connection.rollback( sp );
}
}
}
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