Java_trace_custom_layer.java

import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
//import the tracelytics-api.jar (/usr/local/tracelytics/tracelytics-api.jar)
import com.tracelytics.api.ext.*;

public class process extends HttpServlet {

	public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		try {
			Thread.sleep(500);
		} catch(InterruptedException ex){
			Thread.currentThread().interrupt();
		}
    		//This uses the trace API to create a custom layer
		TraceEvent event = Trace.createEntryEvent("Custom_Middle_Layer");
		event.report();
    
    		//Basic hello world java stuff
		PrintWriter out = response.getWriter();
		out.println("Hello World");
		try {
      			Thread.sleep(200);
    		} catch(InterruptedException ex){
      			Thread.currentThread().interrupt();
    		}
    
    		//Close off the custom layer with an exit event
		TraceEvent new_event = Trace.createExitEvent("Custom_Middle_Layer");
		new_event.report();
	}
}