• Share
  • Email
  • Embed
  • Like
  • Save
  • Private Content
Nuxeo JavaOne 2007 presentation (in original format)
 

Nuxeo JavaOne 2007 presentation (in original format)

on

  • 5,282 views

This session describes the architecture and implementation of an embeddable, extensible enterprise content management core for Java EE and simpler platforms. The presentation starts by describing the ...

This session describes the architecture and implementation of an embeddable, extensible enterprise content management core for Java EE and simpler platforms. The presentation starts by describing the general architectural concepts used as building blocks:

• A schema and document model, reusing XML schemas and making good use of XML namespaces, where document types are built with several facets
• A repository model, using hierarchy and versioning, with the Content Repository API for Java (JSR 170) being one of the possible back ends
• A query model, based on the Java Persistence query language (JSR 220) and reusing the path-based concepts from Java Content Repositories (JCR)
• A fine-grained security model, compatible with WebDAV concepts and designed to provide flexible security policies
• An event model using synchronous and asynchronous events, allowing bridging through Java Message Service (JMS) or other systems to other event-enabled frameworks
• A directory model, representing access to external data sources using the same concepts as for documents but taking advantage of the specificities of the data back ends

Suitable abstraction layers are put in place to provide the required level of flexibility. One of the main architectural tasks is to find commonalities in all the systems used (or whose use is planned in the future) so framework users need to learn and use a minimal number of concepts. The result is a set of concepts that are fundamental to enterprise document management and are usable through direct Java technology-based APIs, Java EE APIs, or SOA. The presentation shows, for each of the main components, which challenges have been met and overcome when building a framework in which all components are designed to be improved and replaced by different implementations without sacrificing backward compatibility with existing ones.

The described implementation, Nuxeo Core, can be embedded in a basic Java technology-based framework based on OSGi (such as Eclipse) or in one based on Java EE, according to the needs of the application using it. This means that the core has to function without relying on Java EE services but also has to take advantage of them when they are available (providing clustering, messaging, caching, remoting, and advanced deployment).

Statistics

Views

Total Views
5,282
Views on SlideShare
4,865
Embed Views
417

Actions

Likes
0
Downloads
1,050
Comments
0

4 Embeds 417

http://blogs.nuxeo.com 407
http://www.techgig.com 5
http://www.slideshare.net 3
http://www.linkedin.com 2

Accessibility

Categories

Upload Details

Uploaded via as Adobe PDF

Usage Rights

© All Rights Reserved

Report content

Flagged as inappropriate Flag as inappropriate
Flag as inappropriate

Select your reason for flagging this presentation as inappropriate.

Cancel
  • Full Name Full Name Comment goes here.
    Are you sure you want to
    Your message goes here
    Processing…
Post Comment
Edit your comment

    Nuxeo JavaOne 2007 presentation (in original format) Nuxeo JavaOne 2007 presentation (in original format) Presentation Transcript

    • Building an Embeddable Enterprise Content Management Core With the Latest Java™ Technologies Florent Guillaume Arnaud Lefevre Chief Scientist VP of Sales Nuxeo www.nuxeo.com TS-4532 2007 JavaOneSM Conference | Session TS-4532 |
    • Goal of This Session Learn how a Content Management core is built Learn about the design and use of Nuxeo™ 5, an embeddable, extensible Enterprise Content Management framework for Java™ Platform, Enterprise Edition (Java™ EE platform) and other platforms. 2007 JavaOneSM Conference | Session TS-4532 | 2
    • Agenda What Is Enterprise Content Management What Do We Want to Achieve Core Framework Core and High-Level Services UI Layers Extensible and Pluggable Using the Framework 2007 JavaOneSM Conference | Session TS-4532 | 3
    • Agenda What Is Enterprise Content Management What Do We Want to Achieve Core Framework Core and High-Level Services UI Layers Extensible and Pluggable Using the Framework 2007 JavaOneSM Conference | Session TS-4532 | 4
    • What Is Enterprise Content Management? 1990–2000… Manufacturing ● Supply Chain ● HR ● ERP Unification Accounting ● Activity Management ● Shipping ● 2007 JavaOneSM Conference | Session TS-4532 | 5
    • What Is Enterprise Content Management? 2000–20... Documents (Records, E-Mail, Media) ● Acquisition ● Search Engine ● ECM Archiving Unification ● Collaboration ● Web Publishing ● Access Control ● Compliance ● 2007 JavaOneSM Conference | Session TS-4532 | 6
    • What Is Enterprise Content Management? The technologies used to: Capture ● Create ● Manage ● Store ● Preserve ● Reuse ● Deliver ● content within the enterprise 2007 JavaOneSM Conference | Session TS-4532 | 7
    • Agenda What Is Enterprise Content Management What Do We Want to Achieve Core Framework Core and High-Level Services UI Layers Extensible and Pluggable Using the Framework 2007 JavaOneSM Conference | Session TS-4532 | 8
    • What Do We Want to Achieve? Create a Framework ● Make It Extensible ● Make It Multi-Platform ● Use the Latest Technologies ● Open Source ● 2007 JavaOneSM Conference | Session TS-4532 | 9
    • What Do We Want to Achieve? Create a Framework ● Set of Services ● Software Bundles ● Set of APIs ● Open to other systems ● Configuration ● XML rather than code ● 2007 JavaOneSM Conference | Session TS-4532 | 10
    • What Do We Want to Achieve? Create a Framework ● Make It Extensible ● New services ● New backends to existing services ● 2007 JavaOneSM Conference | Session TS-4532 | 11
    • What Do We Want to Achieve? Create a Framework ● Make It Extensible ● Make It Multi-Platform ● POJOs ● Java EE platform ● Clusterable, distributable ● Eclipse ● Rich Client Platform (RCP) ● Mix of those ● RCP client, Java EE platform server ● 2007 JavaOneSM Conference | Session TS-4532 | 12
    • What Do We Want to Achieve? Create a Framework ● Make It Extensible ● Make It Multi-Platform ● Use the Latest Technologies ● Java platform v.5, Java EE 5 ● OSGi ● JCR (JSR-170, JSR-283), W3C XML Schemas ● JavaServer Faces™ technology, Facelets ● BPEL, WfMC ● SOAP, WSDL ● JSR = Java Specification Request 2007 JavaOneSM Conference | Session TS-4532 | 13
    • What Do We Want to Achieve? Create a Framework ● Make It Extensible ● Make It Multi-Platform ● Use the Latest Technologies ● Open Source ● LGPL, EPL ● http://www.nuxeo.org ● 2007 JavaOneSM Conference | Session TS-4532 | 14
    • Agenda What Is Enterprise Content Management What Do We Want to Achieve Core Framework Core and High-Level Services UI Layers Extensible and Pluggable Using the Framework 2007 JavaOneSM Conference | Session TS-4532 | 15
    • Core Framework The basics Schemas ● Document Types ● Life Cycle ● Repository ● Security ● 2007 JavaOneSM Conference | Session TS-4532 | 16
    • Core Framework Schemas ● Structure the documents ● XML Schemas ● Complex Types ● Attached Files ● 2007 JavaOneSM Conference | Session TS-4532 | 17
    • Core Framework: Schema DublinCore <xs:schema> <xs:element name=quot;titlequot; type=quot;xs:stringquot;/> <xs:element name=quot;descriptionquot; type=quot;xs:stringquot;/> <xs:element name=quot;rightsquot; type=quot;xs:stringquot;/> <xs:element name=quot;createdquot; type=quot;xs:datequot;/> <xs:element name=quot;modifiedquot; type=quot;xs:datequot;/> <xs:element name=quot;issuedquot; type=quot;xs:datequot;/> <xs:element name=quot;formatquot; type=quot;xs:stringquot;/> <xs:element name=quot;languagequot; type=quot;xs:stringquot;/> ... </xs:schema> 2007 JavaOneSM Conference | Session TS-4532 | 18
    • Core Framework: Schema Baddies <xs:schema> <xs:complexType name=quot;baddiequot;> <xs:sequence> <xs:element name=quot;surnamequot; type=quot;xs:stringquot;/> <xs:element name=quot;levelquot; type=quot;xs:positiveIntegerquot;/> <xs:element name=quot;birthquot; type=quot;xs:datequot;/> </xs:sequence> </xs:complexType> <xs:complexType name=quot;baddiesquot;> <xs:sequence> <xs:element name=quot;baddiequot; type=quot;baddiequot; minOccurs=quot;0quot; maxOccurs=quot;unboundedquot;/> </xs:sequence> </xs:complexType> <xs:element name=quot;baddiesquot; type=quot;baddiesquot;/> </xs:schema> 2007 JavaOneSM Conference | Session TS-4532 | 19
    • Core Framework: XML Equivalent <baddies> <baddie> <surname>Sylar</surname> <level>38</level> <birth>1962-06-11</birth> </baddie> </baddies> 2007 JavaOneSM Conference | Session TS-4532 | 20
    • Core Framework Schemas ● Document Types ● High-level name ● Aggregate schemas ● Facets ● 2007 JavaOneSM Conference | Session TS-4532 | 21
    • Core Framework: Document Type <doctype name=quot;Notequot; extends=quot;Documentquot;> <schema name=quot;dublincorequot;/> <schema name=quot;notequot;/> <facet name=quot;Commentablequot;/> <facet name=quot;Versionablequot;/> <facet name=quot;Publishablequot;/> </doctype> 2007 JavaOneSM Conference | Session TS-4532 | 22
    • Core Framework Schemas ● Document Types ● Life Cycle ● States ● Transitions ● 2007 JavaOneSM Conference | Session TS-4532 | 23
    • Core Framework: Life Cycle States <lifecycle name=quot;defaultquot; initial=quot;projectquot;> <states> <state name=quot;projectquot;> <transitions> <transition>approve</transition> </transitions> </state> <state name=quot;approvedquot;> <transitions> <transition>obsolete</transition> </transitions> </state> <state name=quot;obsoletequot;/> </states> ... 2007 JavaOneSM Conference | Session TS-4532 | 24
    • Core Framework: Life Cycle Transitions <lifecycle name=quot;defaultquot; initial=quot;projectquot;> ... <transitions> <transition name=quot;approvequot; destination=quot;approvedquot;> <description>Approve the document</description> </transition> <transition name=quot;obsoletequot; destination=quot;obsoletequot;> <description>Obsolete the document</description> </transition> </transitions> </lifecycle> 2007 JavaOneSM Conference | Session TS-4532 | 25
    • Core Framework Schemas ● Document Types ● Life Cycle ● Repository ● Hierarchical ● Versioning ● Backend ● API ● 2007 JavaOneSM Conference | Session TS-4532 | 26
    • Core Framework: Repository Hierarchical ● Servers, Domains ● Tree of documents ● Versioning ● Save, View, Restore ● Policy ● Backend ● JCR, SQL ● API ● Nuxeo 5, JCR 2 (JSR 283) ● 2007 JavaOneSM Conference | Session TS-4532 | 27
    • Core Framework Schemas ● Document Types ● Life Cycle ● Repository ● Security ● Users, Groups ● Permissions ● ACLs ● 2007 JavaOneSM Conference | Session TS-4532 | 28
    • Core Framework: Security ACLs Basic Access Control Entry (ACE) ● DENY Read to Anonymous ● GRANT Write to group:Developers ● Ordered List ● Manipulated by different services ● User assignment ● Workflow ● Record management locks ● Placeful and Inherited ● 2007 JavaOneSM Conference | Session TS-4532 | 29
    • Agenda What Is Enterprise Content Management What Do We Want to Achieve Core Framework Core and High-Level Services UI Layers Extensible and Pluggable Using the Framework 2007 JavaOneSM Conference | Session TS-4532 | 30
    • Core Services Fundamental Services Event System ● Directories ● User Manager ● Query ● 2007 JavaOneSM Conference | Session TS-4532 | 31
    • Core Services Event System ● Synchronous Listeners ● Low Level ● Creation, Modification, Deletion ● Move, Copy ● Security Changes ● Bridged to Java Message Service (JMS) ● Asynchronous Handlers ● Non-Core components can participate ● 2007 JavaOneSM Conference | Session TS-4532 | 32
    • Core Services Event System ● Directories ● Tabular Data ● Users and Groups ● Vocabularies ● Entries are placeless documents ● 2007 JavaOneSM Conference | Session TS-4532 | 33
    • Core Services: Directory <directory name=quot;countryquot;> <schema>vocabulary</schema> <dataSource>java:/nxsqldirectory</dataSource> <table>country</table> <idField>id</idField> <sqlScript>country.sql</sqlScript> </directory> <xs:schema> <xs:element name=quot;idquot; type=quot;xs:stringquot;/> <xs:element name=quot;labelquot; type=quot;xs:stringquot;/> <xs:element name=quot;obsoletequot; type=quot;xs:booleanquot;/> </xs:schema> 2007 JavaOneSM Conference | Session TS-4532 | 34
    • Core Services Event System ● Directories ● User Manager ● Bridge directories and user authentication ● Interfaces with the application server ● Global defaults ● 2007 JavaOneSM Conference | Session TS-4532 | 35
    • Core Services Event System ● Directories ● User Manager ● Query ● Multiple Backends ● Intelligent Dispatcher ● Query Language: NXQL ● 2007 JavaOneSM Conference | Session TS-4532 | 36
    • Core Services: Query SELECT * FROM Documents WHERE dc:title LIKE 'JavaOne%' SELECT * FROM Documents WHERE dc:modified >= TIMESTAMP '2007-01-01T00:00:00' SELECT * FROM Documents WHERE ecm:path STARTSWITH '/customers/proposals' 2007 JavaOneSM Conference | Session TS-4532 | 37
    • High-Level Services Advanced functionality Audit and Logging ● Comments ● Transformations ● Relations ● Workflow ● Action Manager ● Mime Types ● Scheduler ● 2007 JavaOneSM Conference | Session TS-4532 | 38
    • Layered Framework: Functional View Web App RCP App Flex App Nuxeo Runtime High-Level Services Transform Audit Relation Indexing ... JDBC™ OOo Jena Compass Nuxeo Core Services Storage Schemas Versions Security ... Jackrabbit JDBC™ = Java DataBase Connectivity 2007 JavaOneSM Conference | Session TS-4532 | 39
    • Layered Framework: Workflow org.nuxeo.ecm.platform.workflow.api org.nuxeo.ecm.platform.workflow.client org.nuxeo.ecm.platform.workflow.core org.nuxeo.ecm.platform.workflow.document org.nuxeo.ecm.platform.workflow.document-api org.nuxeo.ecm.platform.workflow.document-facade org.nuxeo.ecm.platform.workflow.facade org.nuxeo.ecm.platform.workflow.jbpm 2007 JavaOneSM Conference | Session TS-4532 | 40
    • Layered Framework: Workflow EJB™ Seam WF Client WF Facade Doc Facade Workflow API WF Doc API Nuxeo Core API WF Core Doc Core Nuxeo Core jBPM EJB™ = Enterprise JavaBeans™ 2007 JavaOneSM Conference | Session TS-4532 | 41
    • DEMO 2007 JavaOneSM Conference | Session TS-4532 | 42
    • Agenda What Is Enterprise Content Management What Do We Want to Achieve Core Framework Core and High-Level Services UI Layers Extensible and Pluggable Using the Framework 2007 JavaOneSM Conference | Session TS-4532 | 43
    • UI Layers How the user interacts with the system Web ● JavaServer Faces technology, Ajax4jsf, Facelets ● EJB specification Action Listeners ● JBoss Seam ● Theming Engine: NXThemes ● Eclipse RCP ● 2007 JavaOneSM Conference | Session TS-4532 | 44
    • Nuxeo 5 Screenshot 2007 JavaOneSM Conference | Session TS-4532 | 45
    • Eclipse Screenshot 2007 JavaOneSM Conference | Session TS-4532 | 46
    • Agenda What Is Enterprise Content Management What Do We Want to Achieve Core Framework Core and High-Level Services UI Layers Extensible and Pluggable Using the Framework 2007 JavaOneSM Conference | Session TS-4532 | 47
    • NXRuntime: Extension Points Nuxeo Core Blog Module Comment Service Blog Extensions Type Service Storage Module Storage Service Jackrabbit Storage 2007 JavaOneSM Conference | Session TS-4532 | 48
    • NXRuntime: Extension Points <component name=quot;core.TypeServicequot; version=quot;1.0quot;> <implementation class=quot;org.nuxeo.ecm.core.schema.TypeServicequot;/> <extension-point name=quot;schemaquot;> <object class=quot;org.nuxeo.ecm.core.schema.SchemaBinding- Descriptorquot;/> </extension-point> <extension-point name=quot;doctypequot;> <object class=quot;org.nuxeo.ecm.core.schema.DocumentType- Descriptorquot;/> </extension-point> </component> 2007 JavaOneSM Conference | Session TS-4532 | 49
    • NXRuntime: Extension Point Contributions <component name=quot;MyTypesquot; version=quot;1.0quot;> <extension target=quot;core.TypeServicequot; point=quot;schemaquot;> <schema name=quot;commonquot; src=quot;common.xsdquot;/> <schema name=quot;dublincorequot; src=quot;dublincore.xsdquot; prefix=quot;dcquot;/> </extension> <extension target=quot;core.TypeServicequot; point=quot;doctypequot;> <doctype name=quot;Notequot; extends=quot;Documentquot;> <schema name=quot;commonquot;/> ... </doctype> </extension> </component> 2007 JavaOneSM Conference | Session TS-4532 | 50
    • Services Are Pluggable One implementation isn’t always sufficient Internal Service Provider Interfaces (SPI) ● Repository Backend ● Directory Backend ● Workflow Service ● Indexing Service ● Relation Service ● Transformation Service ● 2007 JavaOneSM Conference | Session TS-4532 | 51
    • Plug Into Different Platforms Run anywhere POJO Bundles ● OSGi Dependencies ● Extension Points ● Generic Lookup Service ● Java EE platform Deployment ● JBoss ● GlassFish ● 2007 JavaOneSM Conference | Session TS-4532 | 52
    • Plug Into Java EE Platform: Problems Modules hard to reuse on other platforms ● XML module descriptors don’t allow ● fragmentation Hardcoded package names in code or XML ● Cannot add functionality without redeploying ● the entire application No extension model (plugins) ● 2007 JavaOneSM Conference | Session TS-4532 | 53
    • Plug Into Java EE Platform: Deployment Deployment ● Ordering ● Dynamic Activation ● Contributed XML descriptors ● EAR: application.xml, jboss-app.xml ● WAR: web.xml, faces-config.xml, pages.xml ● Other: persistence.xml, datasources ● L10n properties files ● Services as MBeans ● Lookup Service ● 2007 JavaOneSM Conference | Session TS-4532 | 54
    • Plug Into OSGi OSGi as Basic Format ● Java Archive (JAR) ● Meta-Information ● NXRuntime ● Extension points ● Definition ● Contributions ● Specialized Deployment ● 2007 JavaOneSM Conference | Session TS-4532 | 55
    • Agenda What Is Enterprise Content Management What Do We Want to Achieve Core Framework Core and High-Level Services UI Layers Extensible and Pluggable Using the Framework 2007 JavaOneSM Conference | Session TS-4532 | 56
    • Using the Framework How to build an application with it Contribute to Extension Points ● Schemas, Documents ● Actions ● Event Listeners ● Directories ● XHTML UI ● JavaServer Faces technology ● EJB specification Action Listeners ● Seam ● Deployment Rules ● 2007 JavaOneSM Conference | Session TS-4532 | 57
    • Using the Framework: JavaServer Faces Technology <h:outputText value=quot;#{messages['label.edit']}quot; class=”top”/> <h:form> <h:panelGrid columns=quot;3quot; styleClass=quot;dataInputquot; columnClasses=quot;labelColumn,fieldColumnquot;> <h:outputText value=quot;#{messages['label.title']}quot;/> <h:inputText value=quot;#{currentDocument.dublincore.title}quot; class=quot;dataInputTextquot; id=quot;titlequot; required=quot;truequot;> <f:validateLength minimum=quot;5quot;/> </h:inputText> <h:message styleClass=quot;errorMessagequot; for=quot;titlequot;/> <h:outputText value=quot;quot;/> <h:commandButton value=quot;#{messages['label.save']}quot; styleClass=quot;buttonquot; type=quot;submitquot; action=quot;#{documentActions.updateCurrentDocument}quot;/> </h:form> 2007 JavaOneSM Conference | Session TS-4532 | 58
    • Using the Framework: Action Listener @Stateless @Name(quot;myActionsquot;) public class MyActionsBean implements MyActions { @In(required = true) protected Document currentDocument; public String doSubmit() throws ClientException { String title = currentDocument.getProperty(quot;dc:titlequot;); title += quot; (Captured)quot;; currentDocument.setProperty(quot;dc:titlequot;, title); currentDocument.save(); return null; } } 2007 JavaOneSM Conference | Session TS-4532 | 59
    • Summary Modular Framework ● Flexible Backends ● Platform Independent ● Easy Extensions ● Open Source ● We Welcome Your Ideas and Contributions! ● 2007 JavaOneSM Conference | Session TS-4532 | 60
    • For More Information http://www.nuxeo.org/ http://svn.nuxeo.org/ http://lists.nuxeo.com/mailman/listinfo/ecm 2007 JavaOneSM Conference | Session TS-4532 | 61
    • Q&A Florent Guillaume Chief Scientist Arnaud Lefevre VP of Sales 2007 JavaOneSM Conference | Session TS-4532 | 62
    • Building an Embeddable Enterprise Content Management Core With the Latest Java™ Technologies Florent Guillaume Arnaud Lefevre Chief Scientist VP of Sales Nuxeo www.nuxeo.com TS-4532 2007 JavaOneSM Conference | Session TS-4532 |