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vineri, 2 octombrie 2015

JSF Tip: Passing objects to managed beans

Let suppose that we have the following two beans:

public class BeanA {      

public class BeanB {
 private BeanA beanA;

 public BeanA getBeanA() {
  return beanA;

 public void setBeanA(BeanA beanA) {
  this.beanA = beanA;
 public void beanBAction(){

And, we need a command button that invoke BeanB#beanBAction() method and pass an instance of BeanA also. Well, you can quickly achieve this via <f:setPropertyActionListener/>, as below:

 <h:commandButton value="Action BeanB" action="#{beanB.beanBAction()}">              
  <f:setPropertyActionListener target="#{beanB.beanA}" value="#{beanA}" />

Via this tip, you can easy shape the state design pattern (see JSF and State design pattern - part I

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