AlbertJan van Gens

1
Atlantis on ObjectStore

• Albert-Jan van Gens
• Project leader development DEVENTit

2
Atlantis on ObjectStore

• History DEVENTit
• Problem definition
• Why ObjectStore?
• Architecture
• DataDictionary and generator
• Atlantis highlights
• Report generator / Visitors interface
• Questions ?

3
History DEVENTit

• Software development department of Advisie
  Automatisering until 1998
• ISV since 1998
• Main discipline customer and market specific
  software coupled with Exact Financial Software
• ImageFinder DOS based solution for building and
  managing image databases
• Now
• Internet enabled multimedia information systems
• Atlantis market leader in the field of
  governmental historical archives
• Thematis technology for Internet information
  shells
• Market specific and customer specific software
  development

4
Problem Definition

• Management of large historical multimedia
  collections
• 750,000 1,000,000 object descriptions with
  possible multimedia (photo, audio/video, text
  documents, etc.) attached
• Multimedia in the database
• Datasize up to 100 GB
• Searching capabilities on all descriptive
  information separately

5
Why ObjectStore?

• Compared with Oracle (Relational), Illustra
  (Object-Relational), POET (Object Oriented) in
  1996
• Performance in storage and retrieval of
  multimedia objects in the database
• Scalable in database size and distribution
• Thin server architecture, suitable for use within
  n-tier solutions
• Superb caching mechanisms
• Integration with Verity Search Engine
• Object Oriented integration with C language
  and application object structures
• But also
• ODBC connectivity
• Multi-platform
• Market leader (Object Oriented Databases)

6
Architecture
Verityworker
LCE
WEB Browser
Atlantis
ACM
Applications
Verity service
ISAPI
ODD
Components
ACC service
Reportmodule
Storage
ObjectStore
7
DataDictionary and generator

• Definition of Classes
• Attributes, behaviour and properties
• Relations between classes
• Views on classes and relations
• Generator
• ODD (Object Data Dictionary)
• C definitions of classes, attributes and
  relations
• Standard functions for reading and writing
• Resource ids used in resource editor
• Demo

8
Atlantis highlights

• Different applications on the same platform
• Fully scalable database by ODIN
• Verity integration
• All screens are views of ODD
• Dump and Load with XML
• Multimedia capabilities
• Demo

9
Report generator / Visitors interface

• Creates results in Atlantis screens, Reports and
  visitors interface
• Data selections and access through XML
• Usable in any kind of template or document
• Uses Verity to optimize queryies
• XML definitions can be generated in Atlantis
• Demo

10
Conclusions

• Transaction handling is very fast
• No mapping needed for your application objects
• Distributable
• Fully scalable
• ObjectStore demands high technical skills
• Tools must be build
• No standard database connectivity

11
Questions

• ?