ch3.sharedVariable
Class Controller

java.lang.Object
  javax.servlet.GenericServlet
      javax.servlet.http.HttpServlet
          ch3.sharedVariable.error.Controller
              ch3.sharedVariable.Controller

All Implemented Interfaces:

java.io.Serializable, javax.servlet.Servlet, javax.servlet.ServletConfig

public class Controller
extends Controller

Extends the controller that has the shared error. The only method that is different is the incrementSharedVariable method.

See Also:

Serialized Form

Field Summary

Fields inherited from class ch3.sharedVariable.error.Controller

accessCount

Constructor Summary

Controller()

Method Summary

void	incrementSharedVariable() Use a synchronized block to avoid the shared error.

Methods inherited from class ch3.sharedVariable.error.Controller

doGet

Methods inherited from class javax.servlet.http.HttpServlet

doDelete, doHead, doOptions, doPost, doPut, doTrace, getLastModified, service, service

Methods inherited from class javax.servlet.GenericServlet

destroy, getInitParameter, getInitParameterNames, getServletConfig, getServletContext, getServletInfo, getServletName, init, init, log, log

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Controller

public Controller()

Method Detail

incrementSharedVariable

public void incrementSharedVariable()

Use a synchronized block to avoid the shared error.

This method slows down the web app. A better solution is to avoid using member varialbes in the controller.

Overrides:

incrementSharedVariable in class Controller