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Embargo by Item only applies to Items that are Open Access, Visible to a smaller group or university of illimois users. This is because in those cases the item is in an archived state in the repository.
Item restrictions in the LCoNZ IRRs
See Business requirements for item restrictions in the LCoNZ repositories above. The description in this section is for DSpace 1.7.2 and XMLUI.
User interface description
The restriction type as well as the embargo type + expiry date can be set in the DSpace deposit form as well as the SWORD thesis deposit forms, with the exception of dark items. Items deposited into a certain community in one of the repositories (which happens via a third-party application) are automatically turned dark.
Repository staff can review and change an item's restriction status in the workflow or via "edit item" once the item is archived. The first screenshot shows a repository that allows both temporary and permanent restrictions; all temporary restrictions in this repository are full embargoes. The second screenshot shows a repository that allows only Open as the underlying item state, but both full and partial embargoes.
Temporary and permanent restrictions are currently configured on separate screens, though this is mainly for historic reasons. These screens could, and most likely should, be consolidated into one screen; however, it may be desirable to let certain repository staff groups change only temporary or only permanent restrictions.
The first screenshot below shows the embargo screen where files can be fully embargoed only. The second screenshot shows a repository in which full/partial/no embargo can apply. The third screenshot shows permanent restriction settings.
Repository staff have access to a list of all embargoed items via an entry in the "Administrative" menu in the sidebar.
Technical description
The LCoNZ IRR restriction model uses item metadata and resource policies. Separate metadata fields hold the permanent state ("access level"), the embargo type (full vs partial) and the embargo expiry date. Customisations to core DSpace classes ensure that the appropriate resource policies are set up for each item and bitstream whenever the permanent or temporary state changes.http://unitec.researchbank.ac.nz/
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