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[aspectj-users] What is the definition of "initialization" designator?
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Hi,
I am an AspectJ newbie. The initialization designator really
confused me. Is there any difference between initialization( Class.new())
and execution( Class.new()) ?
In the following sample code:
public class Picture {
private Vector graphs;
static private Picture pic = null;
private Picture(){
this.graphs = new Vector();
}
public static Picture instanceOf(){
if ( pic == null ){
pic = new Picture();
return pic;
}
else
return pic;
}
public static void main( String [] args ){
Picture p = Picture.instanceOf();
}
}
Both initialization( new()) and execution( new()) worked well under
AspectJ 1.06 but got the following error message under AspectJ 1.1.1:
java.lang.ExceptionInInitializerError
at Picture.<init>(Picture.java:23)
at Picture.instanceOf(Picture.java:29)
at Picture.main(Picture.java:39)
Caused by: org.aspectj.lang.NoAspectBoundException
at Asp.aspectOf(Asp.java)
at Asp.<init>(Asp.java:14)
at Asp.ajc$postClinit(Asp.java)
at Asp.<clinit>(Asp.java:14)
... 3 more
Exception in thread "main"
Anybody can help to explain this? Thanks.