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API Guide
1-12 Getting Started 601355 Rev A
API Types
API objects and handles are described below.
Objects
The VolServ API uses an object-oriented metaphor for tracking
VolServ items. Each object contains several fields that describe
the object, routines that create and destroy the object, and
routines that access the data contained within the object.
The following objects mirror items found in VolServ: archive,
archive media class, archive type capacity, component, drive,
drive pool, enterprise group, enterprise connection, media,
MediaClass group, media type, mount selection expression,
mount selection criteria, mount selection criteria group, and
request. These objects usually store information relating only to
their VolServ counterparts.
Handles
A handle is a pointer to a VolServ API object. An object is
created by an initialization routine that returns a handle that
points to the newly allocated object. After a handle is created, it
is passed as a parameter to the routines that access the handle’s
data.
Note
The following objects are specific to the VolServ API:
command, error, notify, status, and table. These objects
contain information about the associated command and its
statuses.