面向对象的uml与java总chapter

1、Software Development with UML Copyright Ken Lunn 2003Figure 10.1 Fitting packages or bespoke systems into the business contextSoftware Development with UML Copyright Ken Lunn 200310.1.1 SOME BASIC RULES FOR PROCUREMENTRule 1 Know what you wantRule 2 Get the suppliers to work for youRule 3 Get the su

2、ppliers to talk in your termsRule 4 See it before you buy itRule 5 Avoid paying for it before you know it will workRule 6 Dont buy from someone who will not be around for longSoftware Development with UML Copyright Ken Lunn 200310.1.2 REQUEST FOR INFORMATION (RFI)A statement of the goals of the proj

3、ect intending to procure the system.A description of the business area where the system is required, perhaps described using business process maps and UML activity diagrams.Typical business scenarios that the package is expected to support.A statement of non-functional requirements, such as security

4、, scalability and reliability.A request for financial and market information from the supplier, covering profitability and turnover, number of clients and number of licences sold.A request for reference sites.A request for prices, including maintenance charges and discount schedules for bulk purchas

5、es.Software Development with UML Copyright Ken Lunn 200310.1.3 REQUEST FOR TENDER (RFT)As for RFI plus:More focus is required on the functional requirementsThe supplier should be asked to complete a rating of their package against the business requirements.A request for a description of how the pack

6、age would support some key scenarios.Software Development with UML Copyright Ken Lunn 2003Table 10.1 A process support table for an RFTSoftware Development with UML Copyright Ken Lunn 2003Table 10.2 A process scenario rating table for package evaluationSoftware Development with UML Copyright Ken Lun

7、n 2003ICANDO Oil Chemicals RFIThe timetable for decision-making will be1. Issue of Request For Information as dated on the covering letter.2. Responses to RFI plus one month3. Short list of suppliers for tendering plus two weeks4. Issue of Request For Tender plus two weeks5. Responses to RFT plus on

8、e month6. Tender evaluation and selection plus one month7. Project initiation plus one month.8. Project demonstrator plus three months.9. Project development phased over 12 months.Software Development with UML Copyright Ken Lunn 2003Figure 10.2 The business process map for ICANDO chemicals, focusing

9、 on the aspects relevant to the new sales order processing systemSoftware Development with UML Copyright Ken Lunn 2003Figure 10.3 Workflow for the telephone order processSoftware Development with UML Copyright Ken Lunn 2003Table 10.3 The process support table for the RFI for the ICANDO Chemicals ordering systemSoftware Develo