server/compbio/listeners/ContextListener.java

   1 package compbio.listeners;
   2
   3 import java.util.concurrent.Executors;
   4 import java.util.concurrent.ScheduledExecutorService;
   5 import java.util.concurrent.TimeUnit;
   6
   7 import javax.servlet.ServletContextEvent;
   8 import javax.servlet.ServletContextListener;
   9 import javax.servlet.annotation.WebListener;
  10
  11 import compbio.cassandra.CassandraCreate;
  12
  13 /**
  14  * Application Lifecycle Listener implementation class ContextListener
  15  *
  16  */
  17 @WebListener
  18 public class ContextListener implements ServletContextListener {
  19         private ScheduledExecutorService webjob_scheduler;
  20         //private ScheduledExecutorService localjob_scheduler;
  21         CassandraCreate cc = new CassandraCreate();
  22
  23         /**
  24          * @see ServletContextListener#contextInitialized(ServletContextEvent)
  25          */
  26         public void contextInitialized(ServletContextEvent arg0) {
  27                 System.out.println("ProteoCache session start......");
  28                 cc.Connection();
  29
  30                 webjob_scheduler = Executors.newSingleThreadScheduledExecutor();
  31                 webjob_scheduler.scheduleAtFixedRate(new Runnable() {
  32                         @Override
  33                         public void run() {
  34                                 cc.Parsing("http");
  35                                 //cc.Parsing("file");
  36                         }
  37                 }, 0, 20, TimeUnit.SECONDS);
  38 /*
  39                 localjob_scheduler = Executors.newSingleThreadScheduledExecutor();
  40                 localjob_scheduler.scheduleAtFixedRate(new Runnable() {
  41                         @Override
  42                         public void run() {
  43                                 cc.Parsing("http");
  44                                 //cc.Parsing("file");
  45                         }
  46                 }, 0, 20000, TimeUnit.SECONDS);
  47 */
  48         }
  49
  50         /**
  51          * @see ServletContextListener#contextDestroyed(ServletContextEvent)
  52          */
  53         public void contextDestroyed(ServletContextEvent arg0) {
  54                 cc.Closing();
  55                 System.out.println("Shut down ProteoCache......");
  56                 webjob_scheduler.shutdownNow();
  57                 //localjob_scheduler.shutdownNow();
  58         }
  59
  60 }