/*_############################################################################
  _## 
  _##  SNMP4J - AuthenticationFailureListener.java  
  _## 
  _##  Copyright (C) 2003-2026  Frank Fock (SNMP4J.org)
  _##  
  _##  Licensed under the Apache License, Version 2.0 (the "License");
  _##  you may not use this file except in compliance with the License.
  _##  You may obtain a copy of the License at
  _##  
  _##      http://www.apache.org/licenses/LICENSE-2.0
  _##  
  _##  Unless required by applicable law or agreed to in writing, software
  _##  distributed under the License is distributed on an "AS IS" BASIS,
  _##  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  _##  See the License for the specific language governing permissions and
  _##  limitations under the License.
  _##  
  _##########################################################################*/
package org.snmp4j.event;

import org.snmp4j.smi.Address;

import java.util.EventListener;

/**
 * The <code>AuthenticationFailureListener</code> listens for authentication failure events.
 *
 * @author Frank Fock
 * @version 3.1.0
 * @since 1.5
 */
public interface AuthenticationFailureListener extends EventListener {

    /**
     * Informs about an authentication failure occurred while processing the message contained in the supplied event
     * object.
     *
     * @param event
     *         a <code>AuthenticationFailureEvent</code> describing the type of authentication failure, the offending
     *         message, and its source address and transport protocol.
     * @param <A> the peer {@link Address} type.
     */
    <A extends Address> void authenticationFailure(AuthenticationFailureEvent<A> event);
}
