How to reset SFSB in conversation mode, after a redirect

[infinity2heaven]

I have a search toolbar, clicking on which results appear (richfaces ajax) below, in a form. User can modify and click on save. Now, after returning results successfully, user might change criteria and save again. This time, no results are found. I'm setting a flag in SFSB and redirecting to the same page in pages.xml. However, the previous search results still remains. I have the entire flow Search, Add, Save, Cancel in a conversation as user can search/save multiple times on the same screen.

SFSB

@Out
boolean noResults = false;

@In(required=false) @Out(required=false)
private FofPerformanceDetail fofPerformanceDetail;

@Begin(join=true) // have to join conversation as search can be called multiple times
public void search() {               
     try {
          fofPerformanceDetail = (FofPerformanceDetail) entityManager.createQuery("select fpd from FofPerformanceDetail fpd where " +
               "fpd.fofPerformance.performance.fof.id =?1 and fpd.fofPerformance.timePeriod =?2")         
          .setParameter(1,selectedFof.getId())
          .setParameter(2, selectedTimePeriod)
          .getSingleResult();     
     }
     catch(NoResultException e) {
          log.info("Search Results did not fetch any Fof Performance");
          noResults=true;
     }
}

public void Save () {

}

@End
public void Cancel {

}

fofPerformanceDetail is the entity that gets displayed in the xhtml (simple text fields)

pages.xml

<page view-id="/manageFofPerformance.xhtml">        
  <navigation from-action="#{manageFofPerformance.cancel}">
       <redirect view-id="/home.xhtml"/>
  </navigation>     
  <navigation from-action="#{manageFofPerformance.search}">
  <rule if="#{noResults}">
       <redirect view-id="/manageFofPerformance.xhtml">
            <message severity="WARN">
               No Results found. Please refine your search criteria
            </message>
       </redirect>
   </rule>         
  </navigation>   
</page>

Pl suggest

[dan.j.allen]

Your problem is that when the exception is thrown, the assignment to fofPerformanceDetail never happens. Thus, it is still non-null. In your catch block, be sure to set fofPerformanceDetail to null.

As another little tidbit, you can use the <out> tag in the <rule> to clear a context variable, which in this case would be fofPerformanceDetail, though that isn't necessary in this case.

[infinity2heaven]

yeah, i did that eventually; although I'm not sure if thats the most elegant solution in case you have to set 5,6 context variables.

Btw Dan -- when is your book releasing? I bought the MEAP book 2 months ago and am waiting for the print edition