LifecycleCallbackInterceptor.java

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package com.sun.s1asdev.ejb.ejb30.interceptors.session;



import javax.interceptor.InvocationContext;

import javax.interceptor.AroundInvoke;

import javax.ejb.PrePassivate;

import javax.ejb.PostActivate;

import javax.ejb.EJB;

import javax.annotation.Resource;

import javax.ejb.SessionContext;



public class LifecycleCallbackInterceptor {



    private static int prePassivateCallbackCount = 0;

    private static int postActivateCallbackCount = 0;

    

    private int interceptorID;

    private int computedInterceptorID;



    @EJB Sless sless;

    @Resource SessionContext sessionCtx;



    @PrePassivate

    void prePassivate(InvocationContext ctx) {

	prePassivateCallbackCount++;

    }



    @PostActivate

    private void postActivate(InvocationContext ctx) {

	postActivateCallbackCount++;

    }



    @AroundInvoke

    Object aroundInvoke(InvocationContext ctx)

	        throws Exception {

        if (ctx.getMethod().getName().equals("setID")) {

            ctx.getContextData().put("LifecycleCallbackInterceptor", this);

            System.out.println("calling sless from interceptor. sless says " +

                               sless.sayHello());

            System.out.println("invoked business interface = " +

                               sessionCtx.getInvokedBusinessInterface());

        }

        return ctx.proceed();

    }



    public static void resetLifecycleCallbackCounters() {

	prePassivateCallbackCount = postActivateCallbackCount = 0;

    }



    public static int getPrePassivateCallbackCount() {

	return prePassivateCallbackCount;

    }



    public static int getPostActivateCallbackCount() {

	return postActivateCallbackCount;

    }

    



    void setInterceptorID(int val) {

        this.interceptorID = val;

        this.computedInterceptorID = 2 * val + 1;

    }

    

    int getInterceptorID() {

        return interceptorID;

    }

    

    boolean checkInterceptorID(int val) {

        return (val == interceptorID) && 

            (computedInterceptorID == 2 * val + 1);

    }

   

}