Primepush

One socket to listener the channel and call the javascript function.
<p:socket onMessage="functionName" channel="/notifyTreeMap"  />


The tag remmote command can be used to

<h:form>
          <p:remoteCommand id="test" name="functionName" actionListener="" update="" global="false" />        

 </h:form>

In Menaged Bean,  get context by;
PushContext pushContext = PushContextFactory.getDefault().getPushContext();



To use primepush in jboss the atmosphere dependence is needed.

  <dependency>
            <groupId>org.atmosphere.jboss.as</groupId>
            <artifactId>jboss-as-websockets</artifactId>
            <version>0.5</version>
   </dependency>