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SMML: Software Measurement Modeling Language. Beatriz Mora, Félix García, Francisco Ruiz, Mario Piattini. Department of Information Technologies & Systems University of Castilla – La Mancha. Contents. Introduction Software Measurement Framework SMML:Software Measurement Modeling Language

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smml software measurement modeling language

SMML: Software Measurement Modeling Language

Beatriz Mora, Félix García, Francisco Ruiz, Mario Piattini

Department of Information Technologies & Systems

University of Castilla – La Mancha

contents
Alarcos Group. OOPSLA’2008. DSM. SMML: Software Measurement Modeling LanguageContents
  • Introduction
  • Software Measurement Framework
  • SMML:Software Measurement Modeling Language
    • Definition of an abstract syntax
    • Definition of a concrete syntax
    • Definition of the semantics
  • Case Study
    • To COUNT TABLES in a Relational DDBB
  • Conclusions and future works
introduction
Measurement is an important factor in the process life cycle due to the fact that it controls issues and lacks during software maintenance and development. In fact, measurement has become a fundamental aspect of Software Engineering.

The great diversity in the kinds of entities which are candidates for measurement in the context of the software processes involves providing companies with a suitable and consistent reference for the definition of their software measurement models along with the necessary technological support to integrate the measurement of the different kinds of entities.

Introduction

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Alarcos Group. OOPSLA’2008. DSM. SMML: Software Measurement Modeling Language

introduction4
Introduction
  • With the objective of satisfying the exposed necessities, it is interesting to consider the MDE paradigm in which software measurement models (SMM) are the principal elements of the measurement process.
  • The availability of a language which allows us to represent software measurement models might be important in decision making and in process improvement.
  • It is thus of interest to consider the use of Domain Specific Languages (DSLs) such as the Software Modeling Measurement Language (SMML).

Alarcos Group. OOPSLA’2008. DSM. SMML: Software Measurement Modeling Language

introduction5
Objective:

We present the Software Measurement Modeling Language (SMML) which permits software measurement models to be created.

This language has been done by using the Software Measurement Metamodel (SMM) (Garcia et al, 2007) as the Domain Definition Metamodel (DDMM).

This language belongs to the Software Measurement Framework (SMF). SMF permits to measure any type of software entity.

Introduction

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Alarcos Group. OOPSLA’2008. DSM. SMML: Software Measurement Modeling Language

software measurement framework
Software Measurement Framework

Technological aspects – Adaptation to MDA

M3

ECORE

Conforms to

Conforms to

Conforms to

Software Measurement Metamodel

QVT Relations Metamodel

Domain Metamodel (1)

M2

Conforms to

Conforms to

Conforms to

Software Measurement Model (3)

QVT Relations Model

Domain Model (2)

Tranformation (4)

M1

Software Measurement Model (target)

Alarcos Group. OOPSLA’2008. DSM. SMML: Software Measurement Modeling Language

smml software measurement modeling language7
SMML is a language which permits software measurement models to be built.

This language has been done by using the Software Measurement Metamodel (SMM) as the Domain Definition Metamodel (DDMM).

The task of the SMML is to facilitate the definition of software measurement models, which is the starting point in the generic software measurement process.

The Software Measurement Metamodel (SMM) which is derived from the Software Measurement Ontology (SMO) defines the abstract syntax of SMML.

The Software Measurement Metamodel supports the graphical language to represent the software measurement models.

SMML (Software Measurement Modeling Language)

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Alarcos Group. OOPSLA’2008. DSM. SMML: Software Measurement Modeling Language

smml software measurement modeling language8
SMML (Software Measurement Modeling Language)

Software Measurement Metamodel

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Alarcos Group. OOPSLA’2008. DSM. SMML: Software Measurement Modeling Language

smml definition of an abstract syntax
4 types of Measurement Associations have been identified: association, nonnavigable association, aggregation and dependency. These relationships have been defined in the Basic package.SMML – Definition of an abstract syntax

Domain Definition Metamodel

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Alarcos Group. OOPSLA’2008. DSM. SMML: Software Measurement Modeling Language

smml definition of an abstract syntax10
SMML – Definition of an abstract syntax

Basic package

Basic: this basic package has been defined in order to identify and to establish the general features of the constructor necessary to define measurement model

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Alarcos Group. OOPSLA’2008. DSM. SMML: Software Measurement Modeling Language

smml definition of an abstract syntax11
SMML – Definition of an abstract syntax

Characterization and objectives Package

  • Characterization and Objectives: this package includes the constructors required to establish the scope and objectives of the software measurement process

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Alarcos Group. OOPSLA’2008. DSM. SMML: Software Measurement Modeling Language

smml definition of an abstract syntax12
SMML – Definition of an abstract syntax

Software Measures Package

  • Measures Software: this package includes the constructors needed to establish and to clarify the key elements in the definition of a software measure

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Alarcos Group. OOPSLA’2008. DSM. SMML: Software Measurement Modeling Language

smml definition of an abstract syntax13
SMML – Definition of an abstract syntax

Measurement Approaches Package.

  • Measurement Approaches: this package includes the constructors needed to generalize the different ‘approaches’ used by the three kinds of measures to obtain their respective measurement results.

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Alarcos Group. OOPSLA’2008. DSM. SMML: Software Measurement Modeling Language

smml definition of a concrete syntax
SMML – Definition of a concrete syntax

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Alarcos Group. OOPSLA’2008. DSM. SMML: Software Measurement Modeling Language

smml definition of semantics
SMML – Definition of semantics

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Alarcos Group. OOPSLA’2008. DSM. SMML: Software Measurement Modeling Language

case study
Case Study

Incorporation of domain metamodel

Creation of domain model

Example of relational database measurement

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Alarcos Group. OOPSLA’2008. DSM. SMML: Software Measurement Modeling Language

case study17
Case Study

3. Creation of software measurement model.

Quality Model: ISO 9126

Measurable concept: Maintainability

Information need: To know Shemes Maintainability

Entity Class: Relational Schema

Attribute: Size

Base measure: NT (Number of tables)

Unit: tables

Scale: Integers from zero to infinite

Measurement method:Number of Tables in the Scheme

Example of relational database measurement

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Alarcos Group. OOPSLA’2008. DSM. SMML: Software Measurement Modeling Language

case study18
Case Study

Definition of software measurement model with SMML

Example of relational database measurement

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Alarcos Group. OOPSLA’2008. DSM. SMML: Software Measurement Modeling Language

slide19

Case Study

Example of relational database measurement

4. Measurement execution

Alarcos Group. OOPSLA’2008. DSM. SMML: Software Measurement Modeling Language

case study20
Case Study

Measurement model of PDQM (Portalweb Data Quality Model)

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Alarcos Group. OOPSLA’2008. DSM. SMML: Software Measurement Modeling Language

conclusions
Conclusions
  • SMML permits software measurement models to be defined in a manner which is easy and intuitive for the user.
  • SMML is a complete language, with a clear syntactic and semantic definition and a solid ontological base. It, moreover, fulfils the following requirements of a DSL: it is usable, it conforms, and it is orthogonal, supportable and simple.
  • SMML allows users to represent measurement models in various domains.
  • This language plays a fundamental role in SMF as it allows users to define the measurement models which are the input for the software measurement process. The visual representation of the measurement models mean that SMF is a more usable and intuitive framework for the user. In other words, it makes the measurement process more comfortable.

Alarcos Group. OOPSLA’2008. DSM. SMML: Software Measurement Modeling Language

future work
Future work
  • Among related future works, one important work is that of the extension of SMMM with the Measurement Approach package hierarchy included in the Software Metrics Meta-Model [25] (OMG).
  • Now, a DSL editor (by using GMF) is created, a future work is to integrate the editor with the SMF in order to obtain an automatic process by using only one tool (Software Measurement Tool).
  • We shall, moreover, test the usability of the language through a series of experiments based on the ISO 9126 standard. Our study will focus on usability and maintainability. Our idea is to select a group of modeling experts and to test the usability of this new language on them in order to define measurement models.

Alarcos Group. OOPSLA’2008. DSM. SMML: Software Measurement Modeling Language

thank you

Thank you

http://alarcos.inf-cr.uclm.es/

Beatriz.mora@uclm.es

slide24
The extended QVT Relations model extends the basic QVT Relations model with the following aspects:

Transformation Modelthis label indicates “the source models”

Measurement model: this model is already defined in the basic QVT-Relation model, Because is always the same.

Domain model: this model needs to be defined. This information is taken from the Software Measurement model which contains all the measurement information.

Relation Domain  it is necessary to define the checkonly domain rules. There are two, one for each source model:

Software Measurement model: The checkonly domain of the measurement model is already defined in the basic QVT Relations model.

Domain model: It is only necessary to define checkonly domain of the domain model.

Function: this contains the necessary OCL queries to carry out the measurement. These OCL queries are the implementations of the “Measurement Action” package defined in the Software Measurement Metamodel.

Software Measurement Framework

Technological aspects – QVT Relations transformation

Alarcos Group. OOPSLA’2008. DSM. SMML: Software Measurement Modeling Language

slide25
The extended QVT Relations model was needed to carry out the fourth step. This transformation is obtained automatically The extended elements are detailed below:

Transformation Model: the target model is the relational databases domain model.

Relation Domain: the checkonly domain of the relational schema domain is indicated

Example

Example of relational database measurement

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Alarcos Group. OOPSLA’2008. DSM. SMML: Software Measurement Modeling Language

slide26

Example

Example of relational database measurement

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Alarcos Group. OOPSLA’2008. DSM. SMML: Software Measurement Modeling Language

slide27
Function: this contains the OCL queries with which to perform the measurement, in this case, the queries necessary to implement the “count element of type X” measurement method where X is Table.

Example

Example of relational database measurement

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Alarcos Group. OOPSLA’2008. DSM. SMML: Software Measurement Modeling Language

slide28

Example

Example of relational database measurement

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Alarcos Group. OOPSLA’2008. DSM. SMML: Software Measurement Modeling Language

slide29

Software Measurement Framework

Textual Specificacion

(.qvtext)

QVT-Relation Model

(.qvt)

Technological aspects – QVT Relations transformation

Textual Specification

(.qvtext)

QVT-Relation Model

(.qvt)

Transformation

Parse in

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Alarcos Group. OOPSLA’2008. DSM. SMML: Software Measurement Modeling Language

qvt relations
QVT-Relations

QVT-Relations Metamodel

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Alarcos Group. OOPSLA’2008. DSM. SMML: Software Measurement Modeling Language

transformaci n qvt relations
Transformation Model: los modelos de entrada.

el modelo de medición (incluido en QVT-Relation básico)

el modelo del dominio: atributos name y uri del modelo.

Relation Domain: checkonly domain de la transformación, uno por cada modelo de entrada:

Sólo hay que indicar el checkonlydomain del modelo de dominio ya que el del modelo de medición ya está definido en el modelo QVT-Relation básico.

Function: función que contiene las consultas OCL necesarias para la ejecución de la medición.

Transformación QVT-Relations

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Alarcos Group. OOPSLA’2008. DSM. SMML: Software Measurement Modeling Language