A quick look at the Eclipse Enterprise Content Repository Project, a project proposal from Nuxeo to the Eclipse Foundation that aims to provide a reference, vendor neutral, Java & OSGi based Content Repository to developers building content-driven applications.

1. April NYC Java Meetup
Introducing the Eclipse
Enterprise Content Repository Project
Roland Benedetti - V.P. Products
Tuesday, April 19, 2011

2. Nuxeo, who we are
• Vendor of an open source software platform in the
field of Enterprise Content Management
• Love to create great software, fond of modularity,
started to use OSGi 4 years ago to create server-
side enterprise software...
• 10 years old, 500+ customers, 5000+ installations
• Sells support & maintenance subscription and
added value software provided as a service
• Dual HQ Paris & Boston, offices in San Francisco
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3. 3
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4. A bit of history
 Project initiated in 2005, now solid and mature
 A complex software platform made of

186+ bundles, 215+ extension points

A platform that scales and provides high performance

Using an extension point model to make it very flexible

Easy to contribute new services

Easy to customize the default application (including UI and
business logic)
 Running virtually everywhere

JBoss AS - as an EAR application

Tomcat - as a WAR application

Equinox - as an OSGi application (and Virgo very soon) 4
Tuesday, April 19, 2011

5. The Eclipse ECR Project

Proposal to Contribute the Content Repository at the
core of the Nuxeo Enterprise Platform as an Eclipse
Runtime Project
 Why?
 OSGi server side has made significant progress in the
Eclipse RT opening doors for collaborations
 CMIS as a standard for Content Interoperability has
reached maturity
 Because it is the best way to spread infrastructure
technology and team with other on developing it!
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Tuesday, April 19, 2011

6. What is a Content Repository?
• It is a Middleware between Applications and
Storage sub-systems
• It does not replace either but avoid recoding
interactions between the two
• It is a persistence service for content/data
• It provides a high level of abstraction (stop caring
about storage details, focus on the app domain and
its objects)
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7. What a Content Repository is not?
• Not a CMS (WCM, ECM, ...)
• A CMS is one application on top of a Content Repository
• Not an ORM
• Higher abstraction level, and not that granular, don’t think
in SQL terms
• Not a filesystem
• If all you have is a filesystem, everything looks like a file
• Not just for storage
• Provides Services, Domain Model / Business Model
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8. A quick look at ECR
Business Application
Use Case
content
repository
storage infrastructure
RDMS
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9. A quick look at ECR
Business Application
Use Case
content
repository
CONTENT
storage infrastructure
RDMS
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10. A quick look at ECR
Business Application
Use Case
SERVICES
content
repository
CONTENT
storage infrastructure
RDMS
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Tuesday, April 19, 2011

11. A quick look at ECR
Business Application
Use Case
APIs
SERVICES
content
repository
CONTENT
storage infrastructure
RDMS
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12. About Content and storage
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13. About Content and storage
• It persists different kind of Content
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14. About Content and storage
• It persists different kind of Content
• Unstructured Content
(Files, Images, Assets, XML, Binary Streams)
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15. About Content and storage
• It persists different kind of Content
• Unstructured Content
(Files, Images, Assets, XML, Binary Streams)
• Structured Content
(Schema, Metadata, Business Data, Tables)
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16. About Content and storage
• It persists different kind of Content
• Unstructured Content
(Files, Images, Assets, XML, Binary Streams)
• Structured Content
(Schema, Metadata, Business Data, Tables)
• Semi-Structured Content
(Files + Metadata, Web pages (assemblies, relations),
Emails (attachments), Records Management)
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17. About Content and storage
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18. About Content and storage
• It support different kind of Storage
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19. About Content and storage
• It support different kind of Storage
• File Systems
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20. About Content and storage
• It support different kind of Storage
• File Systems
• Standard FS
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Tuesday, April 19, 2011

21. About Content and storage
• It support different kind of Storage
• File Systems
• Standard FS
• Virtual / Cloud based FS (e.g. AWS S3)
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22. About Content and storage
• It support different kind of Storage
• File Systems
• Standard FS
• Virtual / Cloud based FS (e.g. AWS S3)
• Relational Database
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23. About Content and storage
• It support different kind of Storage
• File Systems
• Standard FS
• Virtual / Cloud based FS (e.g. AWS S3)
• Relational Database
• Oracle
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24. About Content and storage
• It support different kind of Storage
• File Systems
• Standard FS
• Virtual / Cloud based FS (e.g. AWS S3)
• Relational Database
• Oracle
• PostgreSQL
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25. About Content and storage
• It support different kind of Storage
• File Systems
• Standard FS
• Virtual / Cloud based FS (e.g. AWS S3)
• Relational Database
• Oracle
• PostgreSQL
• MS Sql
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26. About Content and storage
• It support different kind of Storage
• File Systems
• Standard FS
• Virtual / Cloud based FS (e.g. AWS S3)
• Relational Database
• Oracle
• PostgreSQL
• MS Sql
• ...
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Tuesday, April 19, 2011

27. About Services
• Types and Schema definition
• Persistence
• Query
• Metadata
• Fulltext
• Both Mixed
• Access Control
• Groups of users, grant/deny, inheritance
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28. About Services
• Locking
• Synchronous (safe semantics), cluster-aware
• Versioning
• Checkin/Checkout model
• Multifiling
• “Shortcuts” (=proxies) to make the same content
available in several places in a path-based hierarchy
• Audit Trail
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29. About APIs to access Services & Content
RESTful
is
Beautiful
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30. About APIs to access Services & Content
RESTful
is
• Native Java APIs Beautiful
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31. About APIs to access Services & Content
RESTful
is
• Native Java APIs Beautiful
• RESTful APIs (Content Automation)
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Tuesday, April 19, 2011

32. About APIs to access Services & Content
RESTful
is
• Native Java APIs Beautiful
• RESTful APIs (Content Automation)
• CMIS APIs
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Tuesday, April 19, 2011

33. About APIs to access Services & Content
RESTful
is
• Native Java APIs Beautiful
• RESTful APIs (Content Automation)
• CMIS APIs
• Web Engine
• fast Web U.I. framework based on JAX-RS
• provides FreeMarker templating (pluggable)
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34. About APIs to access Services & Content
RESTful
is
• Native Java APIs Beautiful
• RESTful APIs (Content Automation)
• CMIS APIs
• Web Engine
• fast Web U.I. framework based on JAX-RS
• provides FreeMarker templating (pluggable)
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35. About APIs to access Services & Content
HTTP (CMIS) HTTP
OpenCMIS Java
OpenCMIS Automation
API
Native Java API Core Services
VCS
Binary Store SQL Backend Other Backend
Filesystem SQL Database Cloud
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36. Thanks ! Questions & Links
• Start Hacking ECR!
• https://github.com/nuxeo/org.eclipse.ecr
• Get Involved:
• ECR Proposal: http://www.eclipse.org/proposals/rt.ecr/
• ECR Forum: http://www.eclipse.org/forums/index.php?
t=msg&th=204297
• Nuxeo EP doc: https://doc.nuxeo.com/x/PIAO
• Download Nuxeo Platform: http://www.nuxeo.com
Roland Benedetti - VP Products
e-mail: rbenedetti@nuxeo.com
Follow me: http://twitter.com/alnuxeo/
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