Thanks for posting this!
Once 2.4 becomes more stable we should include this into one of our
Tapestry examples.
Andrus
David Solis wrote:
> As Howard and Craig suggested, I implememented a Tapestry extension
> named CayenneValuePersister subclass of DefaultValuePersister which
> registers ImmutableValueCopier as the value copier for interface
> DataObject.
>
> Here the code:
>
> -------------------------------------------------
> /*
> * $Id: CayenneValuePersister.java,v 1.4 2003/02/20 02:12:00 dsolis Exp
> $
> * LegoSoft, Feb 19, 2003
> * Copyright (C) 2001-2003 LegoSoft
> */
> package com.ixe.isis.util;
>
> import net.sf.tapestry.record.DefaultValuePersister;
> import net.sf.tapestry.record.ImmutableValueCopier;
> import net.sf.tapestry.IRequestCycle;
> import org.objectstyle.cayenne.DataObject;
>
> /**
> * In order to assure the uniqueness of Cayenne DataObject within a
> DataContext/ObjectStore,
> * this class registers ImmutableValueCopier as the value copier for
> interface DataObject.
> *
> * It is necessary to add the extension to application spec, i.e.
> * <pre>
> * <extension name="net.sf.tapestry.value-persister"
> class="com.ixe.isis.util.CayenneValuePersister"/>
> * </pre>
> *
> *..uthor David Solis
> *..ersion $Revision: 1.4 $ $Date: 2003/02/20 02:12:00 $
> */
>
> public class CayenneValuePersister extends DefaultValuePersister {
>
> public void initialize(IRequestCycle cycle) {
> registerValueCopier(DataObject.class, new
> ImmutableValueCopier());
> super.initialize(cycle);
> }
> }
>
> -------------------------------------------------
>
> Regards
>
> David
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