Hi Monica
Please see: https://jira.duraspace.org/browse/DS-1619 and
https://jira.duraspace.org/browse/DS-1920
This probably applies after an upgrade from 1.8.2.
Cheers
hg
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On 25 April 2014 21:48, Monika C. Mevenkamp moni...@princeton.edu wrote:
I stole code from app.itemupdate | AddBitstreamsAction trying to come
up with a program that can replace the bitstream contents of an item with a
new version of the bitstream. I got real close but noticed that deleting
the item after the addition of the bitstream fails. The error
ERROR: update or delete on table item violates foreign key constraint
bi_5_dmap_item_id_fkey on table bi_5_dmap
When I ran out of ideas I tested the item updater directly:
DSPACE/bin/dspace itemupdate -e moni...@princeton.edu -s dest -A
with a directory that I created with export. I did change the contents
to include a new file for the item. After the command I can see the new
file just fine - along with the pre existing bitstream. But
deleting/expunging fails with the above message.
Any ideas anybody ?
Here an explanation why I am doing this: I want to put a cronjob
together that works on all pdf bitstreams in items that are in the workflow
for a given community. The cronjob is supposed to glue a cover page in
front of all those bitstreams and replace the existing one with the new
one. I have the ‘list all interesting bitstreams’ code more or less in
place. It is fairly generic and I will eventually send a PR. I have a way
of copying the bitstream files from the system, to a temp location. I know
how to glue the cover page. The last step - insert the updated bitstream
proofs to be challenging. I am tempted to copy the bitstream over the old
one in the assetstore and adjust the shasum in the database directly. BUT …
well it is not quite the right thing todo …
And just for reference the code snipped that I use to replace an item
Here is the code snipped I use to replace a bitstream:
private Bundle[] replaceBitstream() throws SQLException,
IOException, AuthorizeException {
Item item = (Item) bit.getParentObject();
if (bit.getFormat().getMIMEType().equals(fileFormat)
!ignoreFormatMismatch) {
throw new RuntimeException(format mistmatch);
}
Bundle[] bundles = bit.getBundles();
for (Bundle bdl : bundles) {
Bitstream nBit = bdl.createBitstream(stream);
nBit.setName(cp: + bit.getName()); // changed name
to make sure this is not the cause of the error
nBit.setDescription(bit.getDescription());
nBit.setSource(bit.getSource());
nBit.setUserFormatDescription(bit.getFormatDescription());
nBit.setUserFormatDescription(bit.getFormatDescription());
bdl.removeBitstream(bit);
}
item.update();
context.commit();
return bundles;
}
Monika
Monika Mevenkamp
phone: 609-258-4161
Lewis Library,Washington Road and Ivy Lane, Princeton University,
Princeton, NJ 08544
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