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POediting an object from the database
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  1. POediting an object from the database
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    copied!<p>I have a class extending Model, holding a short text and id. Objects are stored in a database.</p> <p>My current problem is: Instead of replacing the old version of an object, a new one is created every time I try to edit an entry.</p> <p>For me it looks as if the object is copied somewhen before saving?</p> <p>I'd be very glad, if somebody could tell me how to avoid this! :-)</p> <p>Model:</p> <pre><code>@Entity public class Entry extends Model { private static final long serialVersionUID = 1L; @Required public String text; public String studentName = "Hans"; @Id public long id; public static Finder&lt;Long, Entry&gt; finder = new Finder&lt;Long, Entry&gt;( Long.class, Entry.class); public static Entry getMe(Long id) { return finder.byId(id); } public static List&lt;Entry&gt; getAll() { return finder.all(); } public static void saveMe(Entry toDataBase) { if(finder.byId(toDataBase.id)!=null) // this seems to be always NULL { System.out.println("update"); toDataBase.update(); } else { System.out.println("save new"); toDataBase.save(); } } </code></pre> <p>The controller part:</p> <pre><code>public static Result createReport(Long id) { if(Entry.getMe(id)==null) return ok(reports.render(form(Entry.class), Entry.getMe(id)));//Entry.class))); return ok(reports.render(entryForm.fill(Entry.getMe(id)),Entry.getMe(id)));//form(Entry.class), Entry.getMe(id)));//Entry.class))); } public static Result storeReport() { Form&lt;Entry&gt; filledForm = entryForm.bindFromRequest(); if(filledForm.hasErrors()) { return badRequest(error.render()); } else { Entry.saveMe(filledForm.get()); return ok(reports.render(filledForm, filledForm.get())); } } </code></pre> <p>edit: the html part:</p> <pre><code>@(entryForm: Form[Entry],e: Entry) @import helper._ @main("report creation") { &lt;h1&gt;report for Nils&lt;/h1&gt; @form(routes.Application.storeReport()) { @textarea(entryForm("text")) &lt;input type="submit" value="Store Report"&gt; } &lt;br /&gt; &lt;br /&gt; @(if(e!=null)e.getid()) @form(routes.Application.listStuff()) { &lt;input type="submit" value="Overview"&gt; } } </code></pre>
 

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