/*
 * JBoss, Home of Professional Open Source.
 * See the COPYRIGHT.txt file distributed with this work for information
 * regarding copyright ownership.  Some portions may be licensed
 * to Red Hat, Inc. under one or more contributor license agreements.
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 * 
 * This library 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
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301 USA.
 */

package org.teiid.logging;


/**
 * LogListener
 */
public interface Logger {
	
    /**
     * Is the logging for the given context at the specified message level enabled. 
     * @param context
     * @param msgLevel
     * @return
     */
    boolean isEnabled(String context, int msgLevel);

    void log(int level, String context, Object... msg);
    
    void log(int level, String context, Throwable t, Object... msg);

    /**
     * Shut down this listener, requesting it clean up and release any resources it
     * may have acquired during its use.  The listener is free to ignore this
     * request if it is not responsible for managing the resources it uses or if
     * there are no resources.
     */
    void shutdown();

	void putMdc(String key, String val);

	void removeMdc(String key); 

}
