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- /*
-
- Copyright (c) Xerox Corporation 1998-2002. All rights reserved.
-
- Use and copying of this software and preparation of derivative works based
- upon this software are permitted. Any distribution of this software or
- derivative works must comply with all applicable United States export control
- laws.
-
- This software is made available AS IS, and Xerox Corporation makes no warranty
- about the software, its performance or its conformity to any specification.
-
- |<--- this code is formatted to fit into 80 columns --->|
- |<--- this code is formatted to fit into 80 columns --->|
- |<--- this code is formatted to fit into 80 columns --->|
-
- Ship.java
- Part of the Spacewar system.
-
- */
-
- package spacewar;
-
- /**
- * This aspect makes sure that the ship is alive before performing any console
- * commands.
- *
- */
- aspect EnsureShipIsAlive {
- void around (Ship ship): Ship.helmCommandsCut(ship) {
- if ( ship.isAlive() ) {
- proceed(ship);
- }
- }
- }
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