1 /*
2 Copyright 2008 Ramon Servadei
3
4 Licensed under the Apache License, Version 2.0 (the "License");
5 you may not use this file except in compliance with the License.
6 You may obtain a copy of the License at
7
8 http://www.apache.org/licenses/LICENSE-2.0
9
10 Unless required by applicable law or agreed to in writing, software
11 distributed under the License is distributed on an "AS IS" BASIS,
12 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 See the License for the specific language governing permissions and
14 limitations under the License.
15 */
16 package fulmine.event.system;
17
18 import fulmine.event.IEvent;
19
20 /**
21 * A specialised event that represents a system event as opposed to an
22 * application event. System events are markers for events that represent some
23 * state change in the context engine.
24 * <p>
25 * This type of event is only consumed by {@link ISystemEventListener}
26 * instances. <i>Generally</i> it is raised by {@link ISystemEventSource}
27 * instances.
28 *
29 * @see ISystemEventListener
30 * @author Ramon Servadei
31 */
32 public interface ISystemEvent extends IEvent
33 {
34
35 }