Ajax Core

Input

Button

Data

Panel

Overlay

Menu

Charts

Message

Multimedia

File

DragDrop

Dialog Framework

Misc

<h:form id="form">
	<h:outputText id="txt_count" value="#{counterBean.count}" />
	
	<p:poll interval="3" 
			listener="#{counterBean.increment}" update="txt_count" />
</h:form>
                    

package org.primefaces.examples.view;

import java.io.Serializable;

import javax.faces.event.ActionEvent;

public class CounterBean implements Serializable{

	private int count;

	public int getCount() {
		return count;
	}

	public void setCount(int count) {
		this.count = count;
	}
	
	public void increment() {
		count++;
	}
}