[jbossseam-issues] [JBoss JIRA] Created: (JBSEAM-2752) Seam should include event-scoped components for task instance queries

Tue Mar 18 04:40:50 EDT 2008

Seam should include event-scoped components for task instance queries
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                 Key: JBSEAM-2752
                 URL: http://jira.jboss.com/jira/browse/JBSEAM-2752
             Project: JBoss Seam
          Issue Type: Feature Request
          Components: BPM
    Affects Versions: 2.0.1.GA
            Reporter: Salvatore Insalaco

In Seam you can use some application-scoped components (e.g. taskInstanceList) to retrieve the task list directly from the JSP / Facelets page.
Unfortunately, being an @Unwrap component, each time you reference it in the page (e.g. in a #{not empty taskInstanceList}), a new query will be performed by JBPM. JBPM doesn't use query cache, so there's no simple way to avoid it.
Seam could provide some event-scoped components that "cache" the result, or maybe use an event-scoped @Factory annotation.

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