Re: [bdbxml] Document modifications are not applied

Does nobody have an idea what the problem could be?

Stephan


Stephan Korthoff wrote:

>Hello,
>
>I've got a problem with the modification of documents. I took the
>modification example from sleepycat.com and
>implemented an attribute value change as follows:
>
>
>   
>....             
>try
>{
>   XmlModify BerkModifier = BerkManager.createModify();
>   XmlQueryContext context = BerkManager.createQueryContext();
>
>   XmlQueryExpression BerkQExp =
>BerkManager.prepare("collection('xmachberk.dbxml')/kenndaten[@doc_id=d" + 
>                    String.valueOf(intDocId) +
>"]/felder_als_attribute/@double_feld_r", context);
>
>   System.out.println("DEBUG Anfrage:
>collection('xmachberk.dbxml')/kenndaten[@doc_id=d" + 
>                    String.valueOf(intDocId) +
>"]/felder_als_attribute/@double_feld_r");
>
>   BerkModifier.addUpdateStep(BerkQExp, newAttributeValue );
>  
>   System.out.println("DEBUG retdoc: " + retDoc.getContentAsString());
>
>   XmlDocument retDoc = BerkContainer.getDocument(docId);
>
>   XmlValue docValue = new XmlValue(retDoc);
>            
>   System.out.println("DEBUG docValue asString: " + docValue.asString());
>                        
>   BerkModifier.execute( docValue, context, BerkUpdContext);
>            
>   XmlDocument retDoc2 = BerkContainer.getDocument(docId); // +
>String.valueOf(intDocId));
>            
>   System.out.println("DEBUG docValue ret2: " +
>retDoc2.getContentAsString());
> 
>   }
>
>...
>
>
>The problem is that the document will not be modified. The line 
>
>System.out.println("DEBUG retdoc: " + retDoc.getContentAsString());
>
>gives me the same output as 
>
>System.out.println("DEBUG docValue ret2: " + retDoc2.getContentAsString());.
>
>And a manual check with the console utility gives me of course the same
>result.
>
>
>
>Any help is highly appreciated.
>
>
>Best regards,
>
>
>Stephan Korthoff
>
>  
>



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