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A DSO is a DSpace Object (org.dspace.content.DSpaceObject). Most everything in DSpace is a DSO (e.g. Site, Community, Collection, Item, Bitstream, EPerson, Group).  A DSO is saved to the database.  Bitstreams are a special type of DSO that have binary storage (of a file) in addition to data in the database.

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The context object can be set to a privileged mode that can bypass all authorization checks.

The context object contains a cache  of objectsmanages/maintains a list of "events" to dispatch after a commit() (or when dispatchEvents() is called). These events represent changes to objects in the system, and are responded to by Event Consumers.

The context object interacts with the DBConnection class to manage database commits, connection pooling, transactions, etc.  The default DBConnection used is the HibernateDBConnection, which manages the Hibernate Session, Transaction, etc (more on that below).

Differences between DSpace 5 and DSpace 6 Context

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