Created by Wang, Jerry, last modified on Dec 12, 2014

call FUNCTION 'CRM_BUPA_SMI_USER_ADD'
EXPORTING
IV_PARTNER_GUID = 'C753584C40244665E10000000A42824A'
IV_SOCIALMEDIACHANNEL = '0001'
IV_SOCIALUSER = '12345678901234567890123456789012345678901234567890'.
COMMIT WORK AND WAIT.

通过单例模式的get_instance拿到buffer实例

典型的singleton模式：