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Produktbild: Design Patterns in ABAP Objects

Design Patterns in ABAP Objects

Aus der Reihe SAP PRESS Englisch

79,95 €

inkl. gesetzl. MwSt., Versandkostenfrei

Beschreibung

Produktdetails

Einband

Gebundene Ausgabe

Erscheinungsdatum

28.10.2016

Verlag

Rheinwerk Publishing

Seitenzahl

387

Maße (L/B/H)

24,6/18,7/2,9 cm

Gewicht

877 g

Auflage

1

Sprache

Englisch

ISBN

978-1-4932-1464-8

Beschreibung

Produktdetails

Einband

Gebundene Ausgabe

Erscheinungsdatum

28.10.2016

Verlag

Rheinwerk Publishing

Seitenzahl

387

Maße (L/B/H)

24,6/18,7/2,9 cm

Gewicht

877 g

Auflage

1

Sprache

Englisch

ISBN

978-1-4932-1464-8

Herstelleradresse

Libri GmbH
Europaallee 1
36244 Bad Hersfeld
DE

Email: gpsr@libri.de

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  • Produktbild: Design Patterns in ABAP Objects

  • ... Preface ... 17






    ... Design Pattern Categories ... 19






    ... How to Learn ... 20






    PART I ... Architectural Design Patterns ... 25






    1 ... MVC ... 27






    1.1 ... Case Study: Read, Process, Display, and Post ... 28






    1.2 ... Passing Select Options ... 33






    1.3 ... Distributing Application Logic ... 34






    1.4 ... Related Patterns ... 34






    1.5 ... Summary ... 35






    PART II ... Creational Design Patterns ... 37






    2 ... Abstract Factory ... 39






    2.1 ... Case Study: Log Analysis ... 40






    2.2 ... Related Patterns ... 47






    2.3 ... Summary ... 47






    3 ... Builder ... 49






    3.1 ... Case Study: Jobs for Text Files ... 49






    3.2 ... When to Use ... 66






    3.3 ... Privacy ... 66






    3.4 ... Summary ... 67






    4 ... Factory ... 69






    4.1 ... Case Study: FI Documents for Parties ... 69






    4.2 ... Advantages ... 75






    4.3 ... Related Patterns ... 75






    4.4 ... Summary ... 76






    5 ... Lazy Initialization ... 77






    5.1 ... Case Study: Logging Errors ... 77






    5.2 ... Advantages ... 81






    5.3 ... Related Patterns ... 81






    5.4 ... Summary ... 82






    6 ... Multiton ... 83






    6.1 ... Case Study: Vendor Balance ... 84






    6.2 ... When to Use ... 88






    6.3 ... When to Avoid ... 88






    6.4 ... State Modification ... 89






    6.5 ... Summary ... 89






    7 ... Prototype ... 91






    7.1 ... Case Study: Item Clone ... 91






    7.2 ... Changing Class Properties ... 95






    7.3 ... Clone Operations ... 96






    7.4 ... Related Patterns ... 96






    7.5 ... Summary ... 97






    8 ... Singleton ... 99






    8.1 ... Case Study: Subcomponents ... 99






    8.2 ... Advantages and Disadvantages ... 106






    8.3 ... Related Patterns ... 106






    8.4 ... Summary ... 106






    PART III ... Structural Design Patterns ... 107






    9 ... Adapter ... 109






    9.1 ... Case Study: Project Management Tools ... 109






    9.2 ... Glue Code ... 118






    9.3 ... Two-Way Adapters ... 118






    9.4 ... Legacy Classes ... 122






    9.5 ... Summary ... 122






    10 ... Bridge ... 123






    10.1 ... Case Study: Messaging Framework ... 123






    10.2 ... Advantages ... 131






    10.3 ... Summary ... 131






    11 ... Composite ... 133






    11.1 ... Recursive Programming: A Refresher ... 133






    11.2 ... Case Study: HR Positions ... 137






    11.3 ... Advantages ... 144






    11.4 ... Disadvantages ... 144






    11.5 ... When to Use ... 145






    11.6 ... Related Patterns ... 145






    11.7 ... Summary ... 146






    12 ... Data Access Object ... 147






    12.1 ... Case Study: Potential Customers ... 147






    12.2 ... Redundant Code Prevention ... 152






    12.3 ... Related Patterns ... 153






    12.4 ... Summary ... 153






    13 ... Decorator ... 155






    13.1 ... Case Study: User Exit ... 155






    13.2 ... Advantages and Challenges ... 161






    13.3 ... Related Patterns ... 162






    13.4 ... Summary ... 162






    14 ... Façade ... 165






    14.1 ... Case Study: Bonus Calculation ... 166






    14.2 ... When and Where to Use ... 168






    14.3 ... Related Patterns ... 170






    14.4 ... Summary ... 170






    15 ... Flyweight ... 171






    15.1 ... Case Study: Negative Stock Forecast ... 171






    15.2 ... Disadvantages ... 181






    15.3 ... When to Use ... 181






    15.4 ... Related Patterns ... 182






    15.5 ... Summary ... 182






    16 ... Property Container ... 185






    16.1 ... Case Study: Enhancing an SAP Program ... 185






    16.2 ... Static vs. Instance Containers ... 194






    16.3 ... Sharing Variables ... 195






    16.4 ... Variable Uniqueness ... 196






    16.5 ... Related Patterns ... 196






    16.6 ... Summary ... 198






    17 ... Proxy ... 199






    17.1 ... Case Study: Sensitive Salary Information ... 199






    17.2 ... When to Use ... 206






    17.3 ... Related Patterns ... 207






    17.4 ... Summary ... 207






    18 ... Chain of Responsibility ... 209






    18.1 ... Case Study: Purchase Order Approver Determination ... 209






    18.2 ... Risks ... 217






    18.3 ... Related Patterns ... 217






    18.4 ... Summary ... 218






    PART IV ... Behavioral Design Patterns ... 219






    19 ... Command ... 221






    19.1 ... Case Study: SD Documents ... 221






    19.2 ... When to Use or Avoid ... 229






    19.3 ... Related Patterns ... 229






    19.4 ... Summary ... 230






    20 ... Mediator ... 231






    20.1 ... Case Study: Stock Movement Simulation ... 232






    20.2 ... When to Use ... 241






    20.3 ... Disadvantages ... 241






    20.4 ... Summary ... 241






    21 ... Memento ... 243






    21.1 ... Case Study: Budget Planning ... 243






    21.2 ... Risks ... 252






    21.3 ... Redo ... 253






    21.4 ... Summary ... 254






    22 ... Observer ... 255






    22.1 ... Case Study: Target Sales Values ... 256






    22.2 ... Advantages ... 261






    22.3 ... Disadvantages ... 261






    22.4 ... Multiple Subjects ... 262






    22.5 ... Related Patterns ... 263






    22.6 ... Summary ... 264






    23 ... Servant ... 265






    23.1 ... Case Study: Address Builder ... 266






    23.2 ... Extensions ... 274






    23.3 ... Related Patterns ... 275






    23.4 ... Summary ... 275






    24 ... State ... 277






    24.1 ... Case Study: Authorization-Based Class Behavior ... 277






    24.2 ... Advantages ... 283






    24.3 ... Related Patterns ... 284






    24.4 ... Summary ... 284






    25 ... Strategy ... 285






    25.1 ... Case Study: Sending Material Master Data ... 286






    25.2 ... Advantages ... 291






    25.3 ... Passing Data to the Strategy Object ... 291






    25.4 ... Optional Strategies ... 293






    25.5 ... Intermediate Abstract Classes ... 297






    25.6 ... Related Patterns ... 302






    25.7 ... Summary ... 302






    26 ... Template Method ... 305






    26.1 ... Case Study: Average Transaction Volume ... 306






    26.2 ... When to Use ... 318






    26.3 ... Advantages and Risks ... 319






    26.4 ... Degree of Abstraction ... 320






    26.5 ... The “Hollywood Principle” ... 320






    26.6 ... Summary ... 321






    27 ... Visitor ... 323






    27.1 ... Case Study: Incoming Invoice Processing ... 323






    27.2 ... When to Use ... 333






    27.3 ... Related Patterns ... 334






    27.4 ... Summary ... 335






    ... Appendices ... 337






    A ... Object-Oriented Programming ... 339






    B ... Subclass Determination ... 361






    C ... Principles ... 371






    D ... The Author ... 383






    ... Index ... 385