TracingInterceptor


1   /*
2    * JBoss, the OpenSource EJB server
3    *
4    * Distributable under LGPL license.
5    * See terms of license at gnu.org.
6    */
7   package org.jboss.tutorial.interceptor.bean;
8   
9   import javax.ejb.AroundInvoke;
10  import javax.ejb.InvocationContext;
11  
12  public class TracingInterceptor {
13  
14     @AroundInvoke
15     public Object   log(InvocationContext ctx) throws Exception  
16     {
17        System.out.println("*** TracingInterceptor intercepting");
18        long start = System.currentTimeMillis();
19        try
20        {
21           return ctx.proceed();
22        }
23        catch(Exception   e)
24        {
25           throw e;
26        }
27        finally
28        {
29           long time = System.currentTimeMillis() - start;
30           String   method = ctx.getBean().getClass().getName() + "." + ctx.getMethod().getName() + "()";
31           System.out.println("*** TracingInterceptor invocation of " + method + " took " + time + "ms");
32        }
33     }
34  }
35

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