what's new in jsr-283?

Introducing JCR 2.0What’s new in JSR-283

aug-2009David Nuescheler

Agenda

A Content Repository?

JCR History, Adoption

Top 10 New Features

Future Plans

JCR.

“The API should be a standard, implementation independent, way to access content bi-directionally on a granular level to a content repository.”

A Content Repository!?

RDBMSFEATURES OF AN

FILESYSTEMFEATURES OF A

YOU ALWAYS WANTED

GOOD STUFFALL THE OTHER+

Transactions, Query, Structure, Integrity Binaries, Hierarchy, Locking, Access Control

Unstructured, Versioning, Full-text, Multi-Value, Sort-Order, Observation

CONTENT REPOSITORY

5

When to use?

JCRpermissions

versions

binaries

unstructuredread-mostsearch

Introducing JCR Catalyst

JCRapachesling

WEBAPP

7

Industry Standards

170

283

8

Tracking success

Known Compliant Repositories(* partially using 3rd party connectors)

Apache Jackrabbit Oracle XML DBExo

ECMS PlatformMicrosoft

Sharepoint OpenText Livelink

Day CRX IBM FileNet P8 Xythos Repository Alfresco ECM Vignette V7

Interwoven Repository IBM CM / Domino EMC Documentum

+hundreds of TCKsregisteredSaperionArchive

Sourcemix Sourcemix

Percussion Rhythmix Lutece

Portal

QuickWCM WCMS

Jahia Framework

Hippo CMS

InfoQ Online CommunityNuxeo ECM

Sakai E-learning

TYPO3 v5.0 WCMGX WebManager

Exo ECMS Platform

Liferay Enterprise Portal

Artifactory Maven Proxy

IBM FileNet WebSiteManagerApache James

medic-2-medic mapofmedicine

Day Communiqué WCMS

Apache Tapestry

Day Communique Collab

QSLabs ComplianceApache

Cocoon

Alfresco ECMSApache Sling

Mindquarry Collaboration

Day Communique DAMmagnolia WCMS

JBoss Portal

Some known JCR Applications

Sun OpenPortal Interface 21

Spring Framework

Fast Enterprise SearchOracle WebCenterBEA Portal

Current Status

Backwards Compatible.

100%NEW & IMPROVEDBACKWARDS COMPATIBLE

Binary CompatibleJSR-170 (JCR v1.0) Applications do not require modificationMixed environment supported (1.0 & 2.0 Apps)

Reorganized.

100%NEW & IMPROVEDBACKWARDS COMPATIBLE

MODEL & BINDINGNEW & IMPROVED

Completely re-organized and clarifiedSpecificationSeparate Content Repository model sectionRemoved a lot of the Java Language specification

Bundled.

100%NEW & IMPROVEDBACKWARDS COMPATIBLE

MODEL & BINDINGNEW & IMPROVED

OSGI BUNDLENEW & IMPROVED

Shipped jcr-2.0.jar is an OSGI BundleReady to deploy in an OSGI Container

Favorites.

10

Query extensions

2.0NEW & IMPROVED#1 QUERY

AQMJQOM

SQLAbstract Query ModelJava Query Object Model (Java Binding)SQL Bindings

Query extensions

2.0NEW & IMPROVED#1 QUERY

+JOINRevamped Result-Set to allow for multiple nodesNew and Improved query capabilities

Query extensions

2.0NEW & IMPROVED#1 QUERY

-XPATH**well, still available but deprecated

Not enough support from the EGJQOM allows for many implementationsJackrabbit / CRX will support XPATH

Access Control Management

2.0NEW & IMPROVED

#2 ACL

+ACL+POLICY

Allows to set ACL and Access Control Policies

Retention Policy & Hold

2.0NEW & IMPROVED#3 RM

+RETENTION+LEGAL HOLD

Support for interaction with RM systemsAllows setting and introspection of Retention Policies and Holds

Simple versioning

2.0NEW & IMPROVED

#4 SIMPLE VERSIONING

+LINEAR VERSIONING

Simplified Versioning Model to allowfor ease of adoption.

Lifecycle Management

2.0NEW & IMPROVED

#5 LIFECYCLE

+BPMAllows to express and introspect Lifecycle statusand transitions.

Nodetype Registration

2.0NEW & IMPROVED#6 NODETYPE MANAGEMENT

+REGISTERNODETYPES

Standardized way of registering new and modifyregistered Nodetypes

New property & nodetypes

2.0NEW & IMPROVED

#7 NEW PROPERTY& NODETYPES

+URL+WEAK REFERENCE

+DECIMAL

+mix:title

+mix:lastModified+mix:created

+mix:language+mix:etag+nt:address

Things we missed in JCR 1.0 applications

Workspace Management

2.0NEW & IMPROVED

#8 WORKSPACEMANAGEMENT

+CREATE & REMOVE WS

Standardized way of create and removeworkspaces

Shareable nodes

2.0NEW & IMPROVED

#9 SHAREABLE NODES

+GRAPHMulti-filing. Nodes can have multiple parents.

Journalling Observation

2.0NEW & IMPROVED#10 JOURNALLINGOBSERVATION

+DELTA SINCE?what changed since I last checked?

What’s next?

CMIS Proposers

DMS

Protocol Bindings

for JCR subse

t

CMIS

About CMIS:

Least common denominator document management interoperability specification.

OASIS Technical Committee.

CMIS @ Day

Great for our DM connectors

Layered easily on top of JCR (since it is a functional subset)

Apache Chemistry

JCR 2.1

Submission

Planned2009

Scripting, Ease of Use.