[jboss-user] [JBoss Seam] - Re: Question On @Datamodel Outjection

hasc do-not-reply at jboss.com
Mon May 21 06:37:22 EDT 2007


i work mainly with 4 classes.

- serves the business logic for the interaction with the user
- holds a Calculation Object

- Entity Bean
- holds all data provided by the user

- executes a calculation for a passed Calculation object
- returns a BudgetOverview object

- holds all data which should be returned to the user

1. every time the user starts a calculation a (long running) conversation is started and a Calculation object is created which holds all data.
2. When the user has passed all information a calculation is executed. and the response is stored in the BudgetOverview object
3. the CalculationManager gets this BudgetOverview object and outjects it to the conversation scope. Then the user is redirected to the page where the response is rendered and after that the conversation ends.

And within the BudgetOverview there is the DataModel selectitems which should also be outjected to the conversation scope.

the part of the xhtml looks like that:
<ui:define name="content">
  |    <h1>Budget Overview</h1>
  |    <div>
  |       <span>BuildingTyp: </span>
  |       <h:outputText value="#{budgetOverview.buildingType}"/><br/>
  |       <span>Area: </span>
  |       <h:outputText value="#{budgetOverview.area}"/>
  |    </div>
  |    <h:dataTable value="#{costitems}" var="item">
  |    ... columns
  |    </h:dataTable>
  | </ui:define>

works fine fot the #{budgetOverview.attributes} but not for the @Datamodel

thanks for help,

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