Thanks Claudia

Though I'm only inferring what a "numerus corens" is - I'm not really up with 
my Latin.

Cheers
Gary


Gary Browne
Development Programmer
Library IT Services
University of Sydney
Australia
ph: 61-2-9351 5946 

-----Original Message-----
From: Claudia Jürgen [mailto:[EMAIL PROTECTED] 
Sent: Thursday, 3 May 2007 5:12 PM
To: Gary Browne
Cc: dspace-tech@lists.sourceforge.net
Subject: Re: [Dspace-tech] Sequence ID generation

Hi Gary,

the sequence number is generated in:
org.dspace.conten.Item
update()

         // Set sequence IDs for bitstreams in item
         int sequence = 0;
         Bundle[] bunds = getBundles();

         // find the highest current sequence number
         for (int i = 0; i < bunds.length; i++)
         {
             Bitstream[] streams = bunds[i].getBitstreams();

             for (int k = 0; k < streams.length; k++)
             {
                 if (streams[k].getSequenceID() > sequence)
                 {
                     sequence = streams[k].getSequenceID();
                 }
             }
         }

         // start sequencing bitstreams without sequence IDs
         sequence++;

         for (int i = 0; i < bunds.length; i++)
         {
             Bitstream[] streams = bunds[i].getBitstreams();

             for (int k = 0; k < streams.length; k++)
             {
                 if (streams[k].getSequenceID() < 0)
                 {
                     streams[k].setSequenceID(sequence);
                     sequence++;
                     streams[k].update();
                 }
             }
         }

it's just a numerus corens.

sunny greetings

Claudia Jürgen
University Dortmund


Gary Browne schrieb:
> Hi everyone - I submitted this question previously but had no
> replies...thought I'd try my luck again with a cunningly disguised
> turned about subject line.
> 
>  
> 
>  
> 
> Regarding the sequence ID, the number between the handle and the
> filename in a DSpace bitstream URL:
> 
>  
> 
> dspace url/bitstream/handle/sequence ID/filename
> 
>  
> 
> can anyone tell me how the sequence ID number is generated by DSpace?
> Does it simply correspond to the sequence of bitstreams as outlined in
> the contents file?
> 
>  
> 
> Thanks
> 
> Gary
> 
>  
> 
> Gary Browne
> Development Programmer
> Library IT Services
> University of Sydney
> Australia
> ph: 61-2-9351 5946 
> 
>  
> 
> 
> 
> 
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