Skip to main content

JSF2 backing bean has a reference to another and re using request scoped properties in new requests

 // note exam id and exam text are initialized from exam backing bean which is (request scoped) and in the same time they are traveling in each request

@ManagedBean(name = "question")//Constants.QUESTION)
@RequestScoped
public class QuestionBean {






    private int examId;

    private String examText;
   
   @ManagedProperty(name="exam", value="#{exam}")
    private ExamBean exam;

// getters and setters

  @PostConstruct
        public void init() {

           examId = exam.getExamId();
           examText=exam.getExamText();
         
        }    

}

------------------------XHTML page ---------------------------------------

<?xml version="1.0"?>

<f:view
    xmlns="http://www.w3.org/1999/xhtml"
    xmlns:c="http://java.sun.com/jsp/jstl/core"
    xmlns:f="http://java.sun.com/jsf/core"
    xmlns:h="http://java.sun.com/jsf/html"
    xmlns:ui="http://java.sun.com/jsf/facelets"
>
    <h:head />
<h:body>
<h:form>

<h:panelGrid columns="2" >
Exam name <h:outputText value="#{question.examText}"  />
Exam id <h:outputText  value="#{question.examId}"  />
</h:panelGrid>

<h:inputHidden  value="#{question.examText}" />
<h:inputHidden  value="#{question.examId}" />

</h:form>
</h:body>
</f:view>



Comments

Popular posts from this blog

Installing liferay 6.2 on wildfly 10 app server and oracle 11g database & windows machine

*************************************DATABASE CREATION*********************************************************************************************** DOWNLOAD LIFERAY PORTAL SCRIPTS FROM https://www.liferay.com/downloads/liferay-portal/available-releases Rename the file as liferay.sql put it let say in under c drive , so it will be located like this  c:\liferay.sql from cmd dir c:\ SQLPLUS / AS SYSDBA @liferay.sql lportal lportal it will create the db ..after finishing go to sqlplus again to ggrant the below  to lportal user SQLPLUS / AS SYSDBA grant create session to lportal; grant connect to lportal; grant resource to lportal; *******************************CONFIGURE WILDFLY TO CONNECT TO ORACLE DB *****************************************************************************************************  configure wildfly to connect to oracle db Download the driver: ojdbc[VERSION].jar Create subfolders [WILDFLY_HOME]/modules/system/layers/base/com/o...

oracle drop all tables and sequences in a certain schema

--  please never put a comment starting with " / "  as this character means execute the previous line  BEGIN   FOR i IN (SELECT us.sequence_name               FROM USER_SEQUENCES us) LOOP     EXECUTE IMMEDIATE 'drop sequence '|| i.sequence_name ||'';   END LOOP;     FOR i IN (SELECT ut.table_name               FROM USER_TABLES ut) LOOP     EXECUTE IMMEDIATE 'drop table '|| i.table_name ||' CASCADE CONSTRAINTS ';   END LOOP; END; -- the following character executes the whole block of pl sql code /

SAP simple transformer

let say we have s insurance xml data as a response of a web service and we want to expose this data as  a complex structure data type to deal with it in SAP   (the same like DOM parser in other programming languages) the xml data as below <?xml version="1.0" encoding="utf-8"?> <RequestResponse xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">   <Response>     <TreatmentBasis>1</TreatmentBasis>     <TreatmentClassification>1</TreatmentClassification>     <MemberDetails>       <Tag>         <ID>1</ID>         <Label>DOB</Label>         <Value>05-Jun-2011</Value>         <Type>Date</Type>       </Tag>       <Tag>       ...