Resolving Platform Specific Models at runtime using an MDE-based Trading approach

4th International Workshop on Information Systems in Distributed Environment Graz, Austria, 13th September 2013

Resolving Platform Specific Models at runtime using an MDE-based Trading approach

Javier Criado, Luis Iribarne, Nicolás Padilla Applied Computing Group (TIC-211), University of Almería, Spain

4th International Workshop on Information Systems in Distributed Environment (ISDE’2013)

Graz, Austria, 13th September 2013

TIN2010-15588 Project


Outline

• Context

• Our goal

• Resolving Platform Specific Models

• Defining the Trading Process

• Case study: Implementation and validation

• Conclusions and future work


Context

Software System


Context

Software System Adaptation

Adapted Software System


Context

Adaptation

Initial Component-based Software System

Adapted Component-based Software System


Context

Adaptation

Initial Component-based

User Interface

Adapted Component-based

User Interface


Adaptation System


Our goal

Transformation

Header

Map

Header

Map Social

Histogram

Regeneration


Web


Web Mobile devices, Tables


Web Mobile devices, Tables TV


Resolving Platform Specific Models (PSM models)


Resolving Platform Specific Models

PIM

PSM

CIM

MDE

Tasks and concepts

Code Final GUI1

Model-driven methodology for GUI adaptation at runtime

Abstract Arch. Model1

Concrete Arch. Model1

Semantic Trader



PIM

PSM

CIM

MDE

Tasks and concepts

Code Final GUI1



Model Transformation



Semantic Trader



PIM

PSM

CIM

MDE

Tasks and concepts

Code Final GUI1


Final GUI2






Semantic Trader

Semantic Trader



PIM

PSM

CIM

MDE

Tasks and concepts

Code Final GUI1


Final GUI2






Semantic Trader

Semantic Trader


Final GUI3



Semantic Trader



PIM

PSM

Concrete Architectural Model

Abstract Architectural Model



COTS definition


Transformation

Rege

nera

tion

(Rea

lizat

ion)


Defining the Trading Process



Trader

Exporter Importer service usage

export service request service

service description



SemanticTrader

Exporter Importer concrete

components usage

export concrete components

abstract architectural

model concrete architectural

model


concrete

component specifications

candidates

1 Selection of candidates

Abstract Architectural

Model

Structure stacks

Repo

sitor

ies

Su

bser

vice

s

Mod

els

CCR

CC

Defining the Trading Process 1. Selection of candidates

time


concrete


candidates configurations


2 Calculation of configurations


Model

time

Structure stacks

Repo

sitor

ies

Su

bser

vice

s

Mod

els

CCR

CC

CA

Defining the Trading Process 2. Calculation of configurations


Defining the Trading Process 2. Calculation of configurations


concrete


candidates configurations closed

configurations



3 Closure of

configurations


Model

time

Structure stacks

Repo

sitor

ies

Su

bser

vice

s

Mod

els

CCR

CC

CA

CB

Defining the Trading Process 3. Closure of configurations


Defining the Trading Process 3. Closure of configurations


concrete



configurations compliant

configurations



3 Closure of

configurations

4 Calculation of

compliant conf.


Model

time

Structure stacks

Repo

sitor

ies

Su

bser

vice

s

Mod

els

CCR

CC

CA

CB

CC

Defining the Trading Process 4. Calculation of compliant configurations


Defining the Trading Process 4. Calculation of compliant configurations

abstract definition

configuration 1

configuration 2


concrete




configurations scored

configurations



3 Closure of

configurations

4 Calculation of

compliant conf.

5 Application of

heuristics


Model

time

Structure stacks

Repo

sitor

ies

Su

bser

vice

s

Mod

els

CCR

CC

CA

CB

CC

CD

Defining the Trading Process 5. Application of heuristics


Defining the Trading Process 5. Application of heuristics


concrete




configurations scored

configurations



3 Closure of

configurations

4 Calculation of

compliant conf.

5 Application of

heuristics

6 Building the

concrete model


Model

time

Structure stacks

Repo

sitor

ies

Su

bser

vice

s

Mod

els

CCR

CC

CA

CB

CC

CD

Concrete Architectural

Model

Defining the Trading Process 6. Building the concrete model


Case study: Implementation and Validation


Case study

Abstract

Architectural Model


Case study


Case study

Semantic Trader service


Case study


REQUEST Abstract Architectural Model


Case study



RESPONSE Concrete Architectural Model


Case study



RESPONSE Concrete Architectural Model

WSDL SOAP


Conclusions and Future Work


• Methodology for adapting component-based software systems at runtime

• Architectural models in two levels: – Abstract (PIM perspertive) – Concrete (PSM perspective)

• Resolve PSM models from PIM definition at runtime • Using a trading process for realizing the concrete architectural

models (PSM) in six stages: – Selection of candidate components – Calculation of configurations – Closure of configurations – Calculation of compliant configurations – Application of heuristics – Building the concrete architectural model

Conclusions


• Generates the configuration of concrete components that best meets the abstract definition

• Provides the possibility of generating different configurations of sofware architectures based on the same abstract definition

• Uses information about the meaning given by the functional and non-functional properties of the components: Semantic Trader

Conclusions


Future Work

• We assume that at least one valid configuration will be resolved

• Alternative resolution mechanism if there is not resolved a valid configuration

• Resolution of mismatches (e.g. incompatibilies of components)

• Implement searching algorithms (calculation of configurations) based on heuristics to perform tree pruning

4th International Workshop on Information Systems in Distributed Environment Graz, Austria, 13th September 2013 50

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