Where clause in Master-Detial (BC4J+uiXML)

Question

Hi All,
I have used uiXML + BC4J. I have problems again.
I create two ViewObjects PlannerVO and ObjectiveVO,its have ViewLink Planner-0..1 to Objective - * ,which like master-detial pattern ,and join by EN Attribute (its have common fileds both).
I create uiXML for BC4J by wizard. First i can render it and can click next or browse. Now I would like to pass parameter for filter it by where clause on master (PlannerVO). like this
http://10.50.0.152:8988/Workspace4-TestBG-context-root/Planner2Objtive_View.uix?en=002182
in Planner2Objtive.uix on the last line code I write more my tag , this is
     <event name="*">
          <bc4j:findRootAppModule name="Planner2ObjtiveAppModule">
               <bc4j:findViewObject name="PlannerVO">
                    <method class="mypackage.ViewFilter" method="filterByEn"/>
               </bc4j:findViewObject>
          </bc4j:findRootAppModule>
     </event>and in ViewFilter.java
public class ViewFilter  {
  static public EventResult filterByEn(
    BajaContext   context,
    Page          page,
    PageEvent     event) throws Throwable
    EventResult result = new EventResult(page);
    // Check for event parameters that we care about
    if (event != null)
     String en = event.getParameter("en");
     ViewObject view = ServletBindingUtils.getViewObject(context);
     view.setWhereClause("Planner.EN = "+en);
     view.executeQuery();
      // Shove the value on the EventResult so we
      // can reference it from our UIX page
      result.setProperty("en", en);
    return result;
}I get EN from URL and then pass it to uiXML and to Java for query BC4j Object,it not return any thing. In debug windows ,its have to query first for PlannerVO and second for ObjectiveVO ,on second query ObjectiveVO I see it pass null to second query (becuase of its must pass EN attribute from master PlannerVO to join it). What this its mean, first query has not success? or in this method can not filter by where clause.

Answer 1

I am not sure I understand your problem.
What I do see is that there is no event on your url:
Planner2Objtive_View.uix?en=002182
so your check:
if (event != null)
will always be false.
If you port the uiXML fragment that you use to create the url, I can tell you how to set an event on it.