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AMI-Enterprise. UML Modeling using Enterprise Architect. Note: the presentation material is provided by Sparx Systems. Review of Concepts: UML. UML: Unified Modeling Language

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Ami enterprise

AMI-Enterprise

UML Modeling using Enterprise Architect

Note: the presentation material is provided by Sparx Systems.


Review of concepts uml
Review of Concepts: UML

UML: Unified Modeling Language

“…provide[s] system architects, software engineers, and software developers with tools for analysis, design, and implementation of software based systems as well as for modeling business and similar processes.” – UML Specification

Graphical language, not a methodology!

Has syntax rules

Profiles provide extensibility

Current version: 2.2

First UML spec in 1997

Object Management Group (OMG)

More Info

UML, OMG: http://www.uml.org, www.omg.org

Sparx Tutorials: http://www.sparxsystems.com/resources


Review of concepts value of uml
Review of Concepts: Value of UML

Manage complexity

Plan and mitigate risk

Facilitate communication


Review of concepts uml1
Review of Concepts: UML

UML supports 13 diagrams to visualize:

Structure (Package, Class, Component etc.)

Behavior (Use Case, Activity, State Machine)

Interaction (Sequence, Timing etc.)

For Example:

Class Package Component



Enterprise architect uml support
Enterprise Architect: UML Support

UML 2 modeling platform:

Supports standard 13 UML 2 diagrams

Intuitive interface. Easy to use and get started

Customization framework for Domain Specific Modeling (UML profiles, patterns, templates)

XML Meta-data Interchange (XMI) for interoperability and model serialization

Supports large models, versioning, collaboration and sharing

Extensions for SysML, BPMN, Database, Architecture Frameworks (Zachman, TOGAF, DoDAF, MODAF)

Current Version: 7.5

Available from: http://www.sparxsystems.com


Enterprise architect sdlc support
Enterprise Architect: SDLC Support

General-purpose modeling platform supports the SDLC:

Visual Requirements Modeling and Management

Customizable Reporting Engines for RTF (Word-compatible) and HTML

Code Engineering Framework (10+ programming languages out-of-the-box)

Deployment and Test specification

Integrated modeling platform:

IDE and PLM Integration: Visual Studio, Eclipse and TcSE

API and extension frameworks for scripting, add-ins etc


Enterprise architect team modeling

Team Modeling platform supports multiple, concurrent users:

Scalable database driven repository

Version Control (CVS, Subversion, SCC, TFS integration)

Model Merge (from Package Baselines)

Security and Locking mechanism

Detailed, near real-time Auditing capability

Enterprise Architect: Team Modeling


Enterprise architecture frameworks
Enterprise Architecture Frameworks

Zachman

Framework

DoDAF-MODAF

TOGAF



Sharing model information
Sharing Model Information

  • A fundamental value proposition behind modeling: Improves communication!

  • Not everyone consumes models directly yet

  • Models also realize value when used to generate useful artifacts.


Sharing models xmi
Sharing Models: XMI

  • XMI: XML Metadata Interchange

  • Primary mechanism for exchanging models:

    • Export occurs at the Package, View and Model levels

    • Round-trip Enterprise Architect models using XMI 1.1 – most stable version. (UML 2.1 model data included)

    • Ensure shared packages are ‘self-contained’ and set ‘round-trip’ options on export or;

    • Apply version control to help manage dependencies across distributed, shared packages

    • Forms basis for Enterprise Architect compare/merge

  • 3rd party tools consume, post-process XMI eg. CIMTool


Sharing models html
Sharing Models: HTML

  • Enterprise Architect HTML generation replicates model structure, diagrams and project info for online distribution (internet or secured intranet)

  • Model navigation via project explorer frame and diagram hot-spots

  • Doesn’t require Enterprise Architect client, browser only

  • Generation process can be automated using API to update online doco regularly (HTML model data not synched real-time)

  • Numerous orgs publish standards models in HTML form:

    • ISO/TC 211: http://www.isotc211.org/hmmg/HTML

    • GIEM/Govdex: https://www.govdex.gov.au/pub/

    • DMV: http://www.dmv.virginia.gov/csi/eahtml/index.htm

    • Datex II: http://www.datex2.eu/?q=node/23


Sharing models rtf reports
Sharing Models: RTF Reports

  • Rich-Text Format (RTF) reports provide traditional means of delivering model info in document form

  • RTF MS Word compatible

  • Provides conversion path to obtain PDF documentation (MS Word  PDF)

  • Template-driven  Customizable

  • Apply meta-data filters to selectively include/exclude model elements and sub-element information


Team based modeling the challenges
Team based modeling – the challenges

Widely distributed teams

Shared development of standards

Big models and wide scope

Change control, merging work, revisions etc

There are tools that help…


Collaborative modeling tools
Collaborative modeling tools

Version Control

Model Baseline Merge

Shared (DBMS) Repositories

Role-based security

Model Auditing


Versions in enterprise architect models
Versions in Enterprise Architect models

Two Basic Approaches:

Entire Model Repository: Simple, ‘coarse’, no concurrency

Package-based: Supports concurrent work

Package-Based Versions:

Packages serialized as XMI (XML Metadata Interchange) file

1 Package Version = 1 XMI file

Applies to Root (Model), View, Parent or Child Packages


Versions in enterprise architect models1
Versions in Enterprise Architect models

Enterprise Architect allows version comparisons:

Compare utility operates on Baseline vs Current State

Current State: The ‘live’ Package in the model repository

Baseline (snapshot): XMI-based version of the same package

Baseline may take one of these physical forms:

‘Model Baseline’ (Snapshot stored in the model)

XMI exported file (Snapshot exists on disk)

Version controlled Package (Snapshot in VC Repository)


Version controlled packages
Version Controlled Packages

Basic concepts of version control apply:

A mechanism for managing concurrent work

Maintain a history of changes

Changes can be ‘rolled back’

Revisions stored in XMI format

Note: Default is XMI 1.1 (includes UML 2.1 info!)


Model merge
Model Merge

When it’s needed:

Concurrent work on a single package needs synchronization

Offline work needs to be ‘uploaded’

Selective roll-back of changes

Selective inclusion of changes (‘Phase based’ development)

Occurs at the package level

Between versions of a package

1-way merge of Model Baseline to live Package

Baseline may exist in another model, file (eg. version control)

Requires same starting Package

Think version, not ad-hoc model merge


Shared repositories
Shared Repositories

How DBMS repositories help:

Concurrent users edit/view the same model instance

No need for synchronization

DBMS server can support large teams, large models

Host a single ‘Master View’

Requires some DB administration to setup

Commonly used for DBMS based repositories:

MySQL

MS SQL Server

Oracle


Role based security
Role-Based Security

Shared models, concurrent editors …

Access controls needed!

Individual user permissions

Group permission (Analysts/BAs, Architects, QA etc)

Role-based security:

Require individuals or groups to login to the model repository

Restricted editing privileges based on role

Locking granularity: View, Package or Element level

Different locking/security modes available: “Require user lock to edit”, “Optional Lock”

Not to be confused with operating system or DBMS security!


Model auditing
Model Auditing

Do we need to track model changes in real-time?

Large enterprises have strict governance rules

Changes to specifications can be expen$$$ive

Need to know: Who changed What and When

Model Auditing capability provides:

A fine-grained change log for model elements

Change log is continuous vs ‘point-in-time snapshot’ (c/f version control baseline)

Filtering and highlighting of model differences

Accountability for model changes made over time

Exportable as a permanent record of change


Ami ent modeling design approach
AMI-ENT Modeling & Design Approach

Use Case Diagram,

Activity Diagram

Requirements List,

Sequence Diagram

Class Diagram