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In this definition of Exhibit type, Exhibit collections create a grouping of items for display to public users.


Current User Collection features (for reference)

User Collections for a self-deposit site

User Collections in a staff curated site

Exhibit
  •  NESTABLE
  •  MULTIPLE MEMBERSHIP
  •  DISCOVERY (public by default)
  •  REQUIRE MEMBERSHIP
  •  SHARING
  •  NESTABLE
  •  MULTIPLE MEMBERSHIP
  •  DISCOVERY
  •  REQUIRE MEMBERSHIP
  •  SHARING
  •  NESTABLE
  •  MULTIPLE MEMBERSHIP
  •  DISCOVERY
  •  REQUIRE MEMBERSHIP
  •  SHARING
  •  NESTABLE
  •  MULTIPLE MEMBERSHIP
  •  DISCOVERY
  •  REQUIRE MEMBERSHIP
  •  SHARING


For a self-deposit site, there may be only one collection type defined, that is, the User Collections for a self-deposit site.

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This is the first of several blog posts intended to raise awareness of the implementation effort to expand the functionality of collections.  Please don't hesitate to ask questions and get clarifications.  That will allow for better communication and solidify the design.


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FAQ

Table of Contents
maxLevel5
minLevel5

What happens when a configuration is changed and collections of that type already exist?


Less Restrictive
(from Not-Allowed to Allowed)		More Restrictive
(from Allowed to Not-Allowed)


Easy approach...Moderate approach...Difficult approach...
NESTABLENo impactWarning that any collections already nested will remain nested.Warning that includes a count of the number of collections impacted.Warning + count + page to help with reconciliation.
MULTIPLE MEMBERSHIPNo impactWarning that any works already in collections of this type may continue to belong to multiple collections.Warning that includes a count of the number of collections impacted.Warning + count + page to help with reconciliation.
DISCOVERYRequires action to make existing collections discoverableWarning that collections already marked PUBLIC will remain discoverable.Warning that includes a count of the number of collections impacted.Warning + count + page to help with reconciliation.
REQUIRE MEMBERSHIPNo impactWarning that works already created may not be in a collection of this type.Warning that includes a count of the number of works impacted.Warning + count + page to help with reconciliation.
SHARINGNo impactWarning that works already created may have sharing privileges assigned.Warning that includes a count of the number of works impacted.Warning + count + page to help with reconciliation.


I would expect that these might change during development, but would stabilize by the time the system goes into production.  The easy approach may be sufficient.

NOTE: Changes to Workflow and Visibility do not have an impact.  They are used as templates when a work is created.  After that point, they do not control any aspect of the work.  The changes will only effect new works created after the change.