def get_data(self):
if not bool(self._my_map['<STR_LIT:data>']):<EOL><INDENT>raise errors.IllegalState('<STR_LIT>')<EOL><DEDENT>dbase = JSONClientValidated('<STR_LIT>',<EOL>runtime=self._runtime).raw()<EOL>filesys = gridfs.GridFS(dbase)<EOL>return DataInputStream(filesys.get(self._my_map['<STR_LIT:data>']))<EOL>
Gets the asset content data.

        return: (osid.transport.DataInputStream) - the length of the
                content data
        raise:  OperationFailed - unable to complete request
        *compliance: mandatory -- This method must be implemented.*