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One use case for filesystem federation is for external datastreams – storing objects in the repository, but linking to large files on disk instead of ingesting them as datastream content. To do this, copy the file to the federated filesystem directory, then create the object in Fedora using the REST API , and then link from the object linking to the federated filesystem content using the fedorarelsext:hasExternalContent property (see PATCH "Content-Type" header as follows (see: PUT):
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insert data { <> <http://fedora.info/definitions/v4/rels-ext#hasExternalContent> <http"Content-Type: message/external-body; access-type=URL; URL=\"http://localhost:8080/rest/federated/file/fcr:content> . }\"" |
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| external-properties |
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| external-properties |
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Separate Properties Store
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