How to configure the Page template to read brought beans
HelloI really don't understand why my Page template cannot read the data of an extended session bean.
<af:pageTemplateDef var="attrs">
<af:xmlContent>
<af:panelStretchLayout>
<f:facet name="center">
<af:panelHeader>
<af:panelStretchLayout >
<f:facet name="top">
<af:panelGroupLayout>
<af:outputText value="#{sessionScope.myBean.title}" id="pt_ot1"/>
</af:panelGroupLayout>
</f:facet>
<f:facet name="center">
<af:facetRef facetName="content"/>
</f:facet>
</af:panelStretchLayout>
</af:panelHeader>
</f:facet>
</af:panelStretchLayout>
</af:pageTemplateDef>
I specified my grain of session scope<?xml version="1.0" encoding="windows-1252" ?>
<adfc-config xmlns="http://xmlns.oracle.com/adf/controller" version="1.2">
<managed-bean id="__6">
<managed-bean-name id="__5">myBean</managed-bean-name>
<managed-bean-class id="__8">MyBean</managed-bean-class>
<managed-bean-scope id="__7">session</managed-bean-scope>
</managed-bean>
</adfc-config>
.. .and my bean simply defines a simple fact...public class MyBean{
public String getTitle(){
return "This is the title";
}
}
Now when I create a page that extends this model, I can't see the title in my page?I missed something? Or its not possible really to call beans spread in a page template?
Help, please... Thank you
Hello
the source of the problem is a rookie mistake typical
What does this do? In fact the component output text tries to find the extent of session for the myBean object and then call getTitle. However, JSf only creates an instance of a bean (and then stores it in the memory defined scope) if the call is
So this application, session and application scope does not have a scope in the EL prefix if it is a managed bean. Controlled beans are instantiated automatically by the JSF framework if the managed bean is addressed like this
"#{bean.attribute}".
Exception for this in the ADF are pageFlowScope, viewScope, and backingBeanScope, which are prefixed in the instruction of EL. Why in this case a prefix works it is because these are managed by the ADF and ADF controller is configured to monitor the pageFlowScope prefixes, viewScope, and backingBeanScope
Frank
Tags: Java
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user8115477 wrote:
Please update your forum profile with a recognizable username instead of "user8115477": Video tutorial how to change username available
I have a simple question about "what I am missing?
One thing missing is that information which is necessary to obtain a rapid and effective response when ask you a question.
We want to add a dropdown "Select job number" to each page. The drop-down list is based on a database query.
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