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SOS Attributes
These are SOS attributes, meaning that they are associated with
specific special-ordered set constraints in the model. You should use
one of the various get routines to retrieve the value of an
attribute. These are described at the beginning of
this section).
For the object-oriented interfaces, SOS attributes are
retrieved by invoking the get method on an SOS object.
For attributes that can be modified directly by the user, you can use
one of the various set methods.
Attempting to query an attribute that is not available will produce an
error. In C, the attribute query routine will return a
GRB_ERROR_DATA_NOT_AVAILABLE error code. The object-oriented
interfaces will throw an exception.
Subsections
