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The downside of this design decision is that there's a delay in reservation and registration of DOIs. However the duration of the delay depends on how often you run the cronjob. The big advantage is that DSpace stays independent from the status of external services (in this case the registration agencies API). For further information how to use the DOIOrganiser see the online help ([dspace-install]/bin/dspace doi-organiser --help).

A DOI will be registered in the item metadata after online registration. If you activate DOI support within DSpace every new Item gets an DOI. The DOI will be added to item metadata when the DOIOrganiser was able to register it at the registration agency.

How to Test

Of course you first have to get our code and compile it on your test system. You can find the code on github (https://github.com/tuub/DSpace/tree/DOI). If you use this code on an existing DSpace test installation, you have to add the DOI table to your database. Please make sure you have a backup first. Please dump your database! You can use either https://github.com/tuub/DSpace/blob/DOI/dspace/etc/postgres/database_schema_3-4.sql or https://github.com/tuub/DSpace/blob/DOI/dspace/etc/oracle/database_schema_3-4.sql depending on the database system you use.

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