n Declarative Role Patterns n Contextual Role Patterns
- Slides: 47
n Declarative Role Patterns n Contextual Role Patterns n Recursive Patterns n Classification 常見資料模式 n Status Patterns 圖表來源: http: //as. wiley. com/Wiley. CDA/Wiley. Title/product. Cd-0470178450. html 1
關聯 Patterns 類別 Declarative Role Contextual Role Recursive Classification Status …… 屬性 2
關聯 Patterns 類別 Declarative Role Contextual Role Recursive Classification Status …… 屬性 5
Contextual Role Pattern . . . 6
Contextual Role Pattern-Level 1 優點 缺點 • 明確表達 Contextual Role 及所參與的 Declarative Role • Declarative Role 可同時扮演多個 Contextual Role • 稍具彈性,但增 加新角色不易 • redundant資料( 同時是Sponsor又 是Worker) 8
Contextual Role Pattern-Hybrid 12
關聯 Patterns 類別 Declarative Role Contextual Role Recursive Classification Status …… 屬性 14
Recursive Pattern 15
Recursive Pattern-Level 1 優點 • 易懂、易用 • 適用於描述不會改變的 hierarchy & aggregation • 明確描述hierarch或 aggregation中各Level Entity的關係 • 允許各Level有各自的屬 性、關聯、optionality… 缺點 • 較不彈性,無法加新的 Level • 不支援peer-to-peer的關 聯 • 不支援 *-* recursive 17
Recursive Pattern-Level 3 優點 • 適用於需定義 recursive association的 行為時 缺點 • 不易了解 21
關聯 Patterns 類別 Declarative Role Contextual Role Recursive Classification Status …… 屬性 22
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Classification Pattern-Level 1 24
Classification Pattern-Level 3 26
關聯 Patterns 類別 Declarative Role Contextual Role Recursive Classification Status …… 屬性 28
關聯 Patterns 類別 Declarative Role Contextual Role Recursive Classification Status …… 屬性 33
大師們的Patterns寶藏庫 Vol. 1~3 34
關聯 參考關聯清單 參考Pattern 特殊關聯 • Generalization • Aggregation/Composition • Association Class Patterns Declarative Role Contextual Role Recursive Classification Status 類別 辨識Use Case內的名詞 參考類別清單 …… 屬性 參考Pattern 35
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Contact Mechanism 37
Purpose Usage Contact Mechanism-Level 1 38
Contact Mechanism-Level 2 39
Contact Mechanism-Level 2 40
Contact Mechanism-Level 2 41
Contact Mechanism-Level 3 PURPOSE 分類 USAGE 42
Contact Mechanism-Level 3 分類 PURPOSE USAGE 43
Contact Mechanism-Level 4 分類 44
Contact Mechanism-Level 4 45
Contact Mechanism. Geographic Boundary 46
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