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author | jhugunin <jhugunin> | 2003-08-01 18:53:07 +0000 |
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committer | jhugunin <jhugunin> | 2003-08-01 18:53:07 +0000 |
commit | 57445dd3ec8a67d06f16fe02e7c0eaefb8ea4051 (patch) | |
tree | 4797aad7b10f19d1d71c71699d3e95de0a4d9262 /docs/teaching/exercises/answers/Answer4b.java | |
parent | a92e9c5c8c8646ec08759b7a940a6d32f2c541c6 (diff) | |
download | aspectj-57445dd3ec8a67d06f16fe02e7c0eaefb8ea4051.tar.gz aspectj-57445dd3ec8a67d06f16fe02e7c0eaefb8ea4051.zip |
Addendum to the original contribution from PARC. Three presentations:
oneHour talk
three hour tutorial
six hour tutorial including exercises
Diffstat (limited to 'docs/teaching/exercises/answers/Answer4b.java')
-rw-r--r-- | docs/teaching/exercises/answers/Answer4b.java | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/docs/teaching/exercises/answers/Answer4b.java b/docs/teaching/exercises/answers/Answer4b.java new file mode 100644 index 000000000..d0292b14f --- /dev/null +++ b/docs/teaching/exercises/answers/Answer4b.java @@ -0,0 +1,29 @@ +/* ******************************************************************* + * Copyright (c) 2002 Palo Alto Research Center, Incorporated (PARC). + * All rights reserved. + * This program and the accompanying materials are made available + * under the terms of the Common Public License v1.0 + * which accompanies this distribution and is available at + * http://www.eclipse.org/legal/cpl-v10.html + * + * Contributors: + * PARC initial implementation + * ******************************************************************/ + +package answers; + +import figures.FigureElement; +import figures.Group; +import java.awt.Rectangle; + +aspect Answer4b { + private Rectangle Group.cache = null; + + Rectangle around(Group g): + execution(Rectangle Group.getBounds()) && this(g) { + if (g.cache == null) { + g.cache = proceed(g); + } + return g.cache; + } +} |