KeepStateBean.java

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package com.sun.s1asdev.ejb31.timer.keepstate;

import javax.ejb.*;
import java.util.List;
import java.util.ArrayList;

@Singleton
public class KeepStateBean implements KeepStateIF {
    private List<String> infos = new ArrayList<String>();
    
    /**
     * keepstate is passed from build.xml to appclient as application args, and to this 
     * business method. The test EAR app is deployed once first, then KeepStateIF.INFO
     * is modified, rebuild, and redeployed.  If redeployed with keepstate true, no new
     * auto timers are created, and existing timers are carried over.  So these timers
     * still have the old timer.getInfo(), which is different than the current KeepStateIF.INFO.
     * If redeployed with keepstate false, old timers are destroyed and new auto timers are
     * created, and their timer.getInfo() will equal to current KeepStateIF.INFO.
     */
    public String verifyTimers(boolean keepState) throws Exception {
        String result = "keepstate: " + keepState + ", current INFO: " + INFO + ", timer infos: " + infos;
        for(String s : infos) {
            if(keepState && s.equals(INFO)) {
                throw new Exception(result);
            }
            if(!keepState && !s.equals(INFO)) {
                throw new Exception(result);
            }
        }
        return result;
    }

    @Schedule(second="*", minute="*", hour="*", info=INFO)
    private void timeout(Timer t) {
        infos.add((String) t.getInfo());
        System.out.println("In timeout method for timer with info: " + t.getInfo());
    }
}