Messenger project Distributed Software Development 2272021 1 Members

Messenger project Distributed Software Development 2/27/2021 1

Members of Messenger project Design description 2/27/2021 2

Contents • External interfaces • Database design • • 2/27/2021 Use Case diagram Class Relationship diagram Object Sequence diagram Conceptual design 3

External interfaces • Messenger client • Web interface 2/27/2021 4

Web interface • Log in page • Actor has to type user name & password • Right top corner is copyright of our group • Down are cooperating Universities 2/27/2021 5

Web interface • Start page (Search) • For administrators • Users can not see add & edit • Search by project, member, keyword and date 2/27/2021 6

Web interface • Edit member page for superadmin • User has not acess to this page • All details can be edit by admin & superadmin • Member can be deleted only by superadmin 2/27/2021 7

Web interface • Conversation page for admin • User has same without edit & add • Actor can see details about conversation: time, members, project 2/27/2021 8

Client interface 2/27/2021 9

Database diagram 2/27/2021 10

Use Case Diagram 2/27/2021 11

Use Case Diagram 2/27/2021 12

Class Relationship Diagram (CRD) 2/27/2021 13

Object Sequence diagrams (OSD) • OSD OF System Startup • OSD of Login Session • OSD of Add I/M, Delete I/M, Search • OSD of chat 2/27/2021 14

Object Sequence diagrams OSD OF System Startup 2/27/2021 15

Object Sequence diagrams OSD of Login Session 2/27/2021 16

Object Sequence diagrams OSD of Add I/M, Delete I/M, Search 2/27/2021 17

Object Sequence diagrams OSD of chat 2/27/2021 18

Conceptual design MAIN MODULE LURKER MODULE DB COMMUNICATION CLIENT TCP/IP SERVER SIDE DATABASE COMMUNICATION DAEMON Native STARGATE MODULE shared protocol shared memory USER INTERFACE DATABASE memory MESSENGER SPECIFIC MODULE LOCAL STORAGE CLIENT INSTANT MESSENGER CLIENT SIDE 2/27/2021 SERVER SIDE 19

Contents • External interfaces • Database design • • 2/27/2021 Use Case diagram Class Relationship diagram Object Sequence diagram Conceptual design 20

Thank you… Questions? Members of Messenger project Design description 2/27/2021 21