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// Compiler limitation, can't put if() directly in per clause
aspect Testcase3 perthis(execution(* doCommand(..)) && if(commandInterceptionEnabled)) {
private static boolean commandInterceptionEnabled = true;
public Testcase3() {
System.out.println("Created a PerThis aspect : " + this.toString());
}
before(ICommand command) : execution(* doCommand(..)) && this(command) {
System.out.println("Invoking command bean: "+ command);
}
public static void main(String[] args) {
ICommand c1 = new Command("hello");
ICommand c2 = new Command("hello again");
c1.doCommand();
c2.doCommand();
}
}
interface ICommand {
void doCommand();
}
class Command implements ICommand {
private String output = "";
public Command(String s) { this.output = s; }
public void doCommand() {
System.out.println(output + "(" + this + ")");
}
}
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