/* Copyright (C) 2002-2007 MySQL AB This program is free software; you can redistribute it and/or modify it under the terms of version 2 of the GNU General Public License as  published by the Free Software Foundation. There are special exceptions to the terms and conditions of the GPL  as it is applied to this software. View the full text of the  exception in file EXCEPTIONS-CONNECTOR-J in the directory of this  software distribution. 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 */package com.mysql.jdbc.profiler;import com.mysql.jdbc.Connection;import com.mysql.jdbc.log.Log;import java.sql.SQLException;import java.util.HashMap;import java.util.Map;/** * @author mmatthew */public class ProfileEventSink {	private static final Map CONNECTIONS_TO_SINKS = new HashMap();	private Connection ownerConnection = null;	private Log log = null;	/**	 * Returns the ProfileEventSink that handles profiler events for the given	 * connection.	 * 	 * @param conn	 *            the connection to handle events for	 * @return the ProfileEventSink that handles profiler events	 */	public static synchronized ProfileEventSink getInstance(Connection conn) {		ProfileEventSink sink = (ProfileEventSink) CONNECTIONS_TO_SINKS				.get(conn);		if (sink == null) {			sink = new ProfileEventSink(conn);			CONNECTIONS_TO_SINKS.put(conn, sink);		}		return sink;	}	/**	 * Process a profiler event	 * 	 * @param evt	 *            the event to process	 */	public void consumeEvent(ProfilerEvent evt) {		if (evt.eventType == ProfilerEvent.TYPE_WARN) {			this.log.logWarn(evt);		} else {			this.log.logInfo(evt);		}	}	public static synchronized void removeInstance(Connection conn) {		CONNECTIONS_TO_SINKS.remove(conn);	}	private ProfileEventSink(Connection conn) {		this.ownerConnection = conn;		try {			this.log = this.ownerConnection.getLog();		} catch (SQLException sqlEx) {			throw new RuntimeException("Unable to get logger from connection");		}	}}