/*
* Copyright (c) 1998-2011 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source 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.
*
* Resin Open Source 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, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
* Free SoftwareFoundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Scott Ferguson
*/
package com.caucho.sql.spy;
import com.caucho.util.Alarm;
import com.caucho.util.L10N;
import javax.sql.XAConnection;
import javax.sql.XADataSource;
import java.io.PrintWriter;
import java.sql.SQLException;
import java.util.logging.Logger;
/**
* Spying on a driver.
*/
public class SpyXADataSource implements XADataSource {
protected final static Logger log
= Logger.getLogger(SpyXADataSource.class.getName());
protected final static L10N L = new L10N(SpyXADataSource.class);
private static int _staticId;
private int _id;
private int _connCount;
// The underlying data source
private XADataSource _dataSource;
/**
* Creates a new SpyDriver.
*/
public SpyXADataSource(XADataSource dataSource)
{
_dataSource = dataSource;
_id = _staticId++;
}
/**
* Returns the XAConnection.
*/
@Override
public XAConnection getXAConnection()
throws SQLException
{
long start = start();
try {
XAConnection conn = _dataSource.getXAConnection();
String connId = _id + "." + _connCount++;
log(start, "getXAConnection() -> " + connId + ":" + conn);
return new SpyXAConnection(conn, connId);
} catch (SQLException e) {
log(start, "exn-connect(" + e + ")");
throw e;
}
}
/**
* Returns the XAConnection.
*/
@Override
public XAConnection getXAConnection(String user, String password)
throws SQLException
{
long start = start();
try {
XAConnection conn = _dataSource.getXAConnection(user, password);
String connId = _id + "." + _connCount++;
log(start, "getXAConnection(" + user + ") -> " + connId + ":" + conn);
return new SpyXAConnection(conn, connId);
} catch (SQLException e) {
log(start, "exn-connect(" + e + ")");
throw e;
}
}
/**
* Returns the login timeout.
*/
@Override
public int getLoginTimeout()
throws SQLException
{
return _dataSource.getLoginTimeout();
}
/**
* Sets the login timeout.
*/
@Override
public void setLoginTimeout(int timeout)
throws SQLException
{
_dataSource.setLoginTimeout(timeout);
}
/**
* Returns the log writer
*/
@Override
public PrintWriter getLogWriter()
throws SQLException
{
return _dataSource.getLogWriter();
}
/**
* Sets the log writer.
*/
@Override
public void setLogWriter(PrintWriter log)
throws SQLException
{
_dataSource.setLogWriter(log);
}
protected long start()
{
return Alarm.getExactTime();
}
protected void log(long start, String msg)
{
long delta = Alarm.getExactTime() - start;
log.fine("[" + delta + "ms] " + _id + ":" + msg);
}
@Override
public String toString()
{
return "SpyXADataSource[id=" + _id + ",data-source=" + _dataSource + "]";
}
}