jsf 2 - display growl when page is loaded primefaces jsf2 -


i have commandbutton : 

    <p:commandbutton value="enregistrer" action="#{reglementclientmb.ajouter}"              process="@this @form" update="@form" >             <f:setpropertyactionlistener target="#{reglementclientmb.est_ajouter}" value="false" />             </p:commandbutton>

the action method return page , want display 1 p:growl when next page loaded

i tested put constructor of managed bean growl displayed below data in page 

facescontext.getcurrentinstance().addmessage(                         null,                         new facesmessage(facesmessage.severity_info, ""                                 + "confirmation", "réglement crée avec sucée"));                  requestcontext.getcurrentinstance().update("messages");

how can achieve this

thank in advance

the bean's constructor may late job if <p:growl> rendered before bean been constructed first time. e.g.

<p:growl /> ... <h:outputtext value="#{bean.something}" />

it work if bean constructed before <p:growl> rendered.

<h:outputtext value="#{bean.something}" /> ... <p:growl />

in order solve concrete problem, you'd need job in pre render view listener instead.

<f:event type="prerenderview" listener="#{bean.init}" />

with:

public void init() {     // add desired message here. }

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