01: /*_############################################################################
02: _##
03: _## SNMP4J - SnmpEngineListener.java
04: _##
05: _## Copyright (C) 2003-2008 Frank Fock and Jochen Katz (SNMP4J.org)
06: _##
07: _## Licensed under the Apache License, Version 2.0 (the "License");
08: _## you may not use this file except in compliance with the License.
09: _## 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: package org.snmp4j.event;
22:
23: import java.util.EventListener;
24:
25: /**
26: * The <code>SnmpEngineListener</code> interface can be implemented by classes
27: * that need to be informed about changes to the SNMP engine ID cache.
28: *
29: * @author Frank Fock
30: * @version 1.6
31: * @since 1.6
32: */
33: public interface SnmpEngineListener extends EventListener {
34:
35: /**
36: * An SNMP engine has been added to or removed from the engine cache.
37: * @param engineEvent
38: * the SnmpEngineEvent object describing the engine that has been added.
39: */
40: void engineChanged(SnmpEngineEvent engineEvent);
41:
42: }
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