1 /*_############################################################################ 2 _## 3 _## SNMP4J - TransportStateListener.java 4 _## 5 _## Copyright 2003-2007 Frank Fock and Jochen Katz (SNMP4J.org) 6 _## 7 _## Licensed under the Apache License, Version 2.0 (the "License"); 8 _## you may not use this file except in compliance with the License. 9 _## You may obtain a copy of the License at 10 _## 11 _## http://www.apache.org/licenses/LICENSE-2.0 12 _## 13 _## Unless required by applicable law or agreed to in writing, software 14 _## distributed under the License is distributed on an "AS IS" BASIS, 15 _## WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 16 _## See the License for the specific language governing permissions and 17 _## limitations under the License. 18 _## 19 _##########################################################################*/ 20 21 22 package org.snmp4j.transport; 23 24 import java.util.EventListener; 25 26 /** 27 * The <code>TransportStateListener</code> interface can be implemented 28 * to monitor the connection state for connection oriented transport mappings. 29 * 30 * @author Frank Fock 31 * @version 1.7 32 * @since 1.7 33 */ 34 public interface TransportStateListener extends EventListener { 35 36 /** 37 * The connection state of a transport protocol connection has been changed. 38 * @param change 39 * a <code>TransportStateEvent</code> instance. 40 */ 41 void connectionStateChanged(TransportStateEvent change); 42 } 43