Merging of TOSCA Cloud Topology Templates - IAAS

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2 Fundamentals Code example for a concrete implementation of the Factory Method 1 public class ConcreteFactory extends Factory{ 2 public Product createProduct(){ 3 return new ConcreteProduct(); 4 } 5 } Listing 2.6: Concrete factory class of the Factory Method design pattern. Code example for an application initialization 1 public void init(){ 2 Factory myConcreteFactory = new ConcreteFactory() 3 ... 4 } 5 } Listing 2.7: Initialization of a factory Code example for a concrete implementation of the Factory Method 1 public doSomething(){ 2 Product newProduct = myConcreteFactory.createProduct() 3 } 4 } Listing 2.8: Usage of the factory Fig. 2.4 shows the combined patterns Template Method and Factory Method to design a framework. The abstract FrameworkClass defines a templateMethod to specify the overall control flow of the application using the framework and a hookMethod that can be overridden by instances of SpecificClass to provide application area specific implementations to the overall algorithm. The Factory Method part defines an abstract Factory class that specifies a factory method for creating Instances of SpecificClass. For each different type of Specific- Class, a separate SpecificClassFactory that has the knowledge of creating an instance of a particular type of SpecificClass must be provided. 20
2 Fundamentals class Combined Patterns «abstract» FrameworkClass + templateMethod() : void + hookMethod() : void «abstract» Factory + createSpecificClass() : SpecificClass SpecificClass + hookMethod() : void SpecificClassFactory + createSpecificClass() : SpecificClass return new SpecificClass() Fig. 2.4: Combined design patterns 21
Page 1: Institute of Architecture of Applic
Page 5 and 6: Contents Contents 1 Introduction...
Page 7 and 8: List of Figures List of Figures Fig
Page 9 and 10: List of Listings List of Listings L
Page 11 and 12: List of Tables List of Tables Table
Page 13: List of Abbreviations SaaS SAX SESE
Page 16 and 17: 1 Introduction Not in the scope of
Page 18 and 19: 1 Introduction Chapter 6 - Concept
Page 20 and 21: 2 Fundamentals arcs = (, ) and =
Page 22 and 23: 2 Fundamentals bination with a publ
Page 24 and 25: 2 Fundamentals Syntax of the XML co
Page 26 and 27: 2 Fundamentals Additional Relations
Page 28 and 29: 2 Fundamentals However, the TOSCA P
Page 30 and 31: 2 Fundamentals 2.4 Frameworks The f
Page 32 and 33: 2 Fundamentals Framework class usin
Page 36 and 37: 3 Related Work 3 Related Work The f
Page 38 and 39: 3 Related Work tive algorithm with
Page 40 and 41: 4 Assumptions and Requirements for
Page 46 and 47: 5 Concept for Matching of Topology
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5 Concept for Matching of Topology
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6 Concept for Merging of Topology T
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7 Architecture & Design of an Exten
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8 Implementation of the Framework (
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8 Implementation of the Framework F
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8 Implementation of the Framework a
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8 Implementation of the Framework 8
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9 Evaluation of the Algorithms and
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10 Conclusion and Future Work 10 Co
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Bibliography Bibliography [1] Amazo
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Bibliography [28] S. Melnik, H. Gar
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Merging of TOSCA Cloud Topology Templates - IAAS

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