jboss dna 2008-02 · jboss dna is an enterprise repository • a place to manage various kinds of...
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JBoss DNA
Randall HauchPrincipal Software EngineerJBoss Data Services
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Red Hat
JBoss DNA
• New project – A few months old– http://labs.jboss.org/dna
• Prior repository experience and IP– MetaMatrix Repository– Drools BRMS– JBoss Portal (CMS)
• Interest and community is growing quickly– JBoss SOA-Platform and SOA-Governance– MetaMatrix– Partners– You!
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Red Hat
What is an enterprise repository?
Insert Repository
Here
VersioningEvents
Metadata
Organization
SearchIdentity
Persistence
Security
FederationClustering
AnalysisReporting
LifecycleAudit Trail
IntegrationInterpretation
Artifacts
Web Browser Eclipse WebDAV REST
(Files with properties)
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Red Hat
Where will it be used?
• JBoss SOA Platform and SOA Governance– Manage service metadata, service binaries, business rules,
workflow tasks, process control information, and policies– Integrate with UDDI registry to provide single view– Enable governance: policy enforcement, lifecycle management,
and service discovery, testing and deployment
• JBoss Enterprise Data Services Platform (MetaMatrix)– Manage data source, data service and connector metadata,
transformations, connector binaries, and virtual databases– Integrate with data sources to provide unified view of
metadata and data– Adapt with customers extensions and additional files – Enable discovery, analysis, reporting, and data-driving apps
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Red Hat
Is JCR an enterprise repository?
Java Content
Repository?
VersioningEvents
Metadata
Organization
SearchIdentity
Persistence
Security
FederationClustering
AnalysisReporting
LifecycleAudit Trail
IntegrationInterpretation
Artifacts
Web Browser Eclipse WebDAV REST
(Files with properties)
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Red Hat
Java Content Repository (JCR)
• JSR-170 (JCR 1.0) and JSR-283 (JCR 2.0)• Graph model
– Nodes with properties and relationships to other nodes– Node types dictate kinds of properties and type and number
of child nodes– Mixins dictate useful sets of properties for specific purposes – Hierarchical structure and naming– Integrated versioning and events
• Simultaneously supports both– Structured graphs with predefined structures; and– Schema-less graphs where the structure can evolve to take
on any shape and meaning• Usage in Content Management Systems
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Red Hat
Is JCR an enterprise repository?
Java Content
Repository?
VersioningEvents
Metadata
Organization
SearchIdentity
Persistence
Security
FederationClustering
AnalysisReporting
LifecycleAudit Trail
IntegrationInterpretation
Artifacts
Web Browser Eclipse WebDAV REST
(Files with properties)
But JCR is a good foundation for JBoss DNA7
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Red Hat
JBoss DNA is an enterprise repository
JBoss DNA
VersioningEvents
Metadata
Organization
SearchIdentity
Persistence
Security
FederationClustering
AnalysisReporting
LifecycleAudit Trail
Integration
Web Browser Eclipse WebDAV REST
Interpretation
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Red Hat
JBoss DNA is an enterprise repository
• A place to manage various kinds of artifacts– Upload, version, view, edit, classify, manage lifecycle, etc.
• Extracts the informationʼs DNA (building blocks)– Metadata about the file– Meaning and structure of contents– Relationships between artifacts
• Makes all this information useful and accessible– Visualize using “domain-specific” views– Search text and query structure– Analyze and report (patterns, structure, statistics, etc.)– Use web application, Eclipse plugins, service interfaces– Federated with external sources integrated
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Red Hat
JBoss DNA Architecture
Up Next ...
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Sequencer Library
Red Hat
Sequencing contentClient
content
1) upload2) notify
4) execute
3) select sequencers
when: mime type is ‘text/plain’ and file extension is ‘.java’then: run sequencer ‘C’
Repository
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Red Hat
Sequencer library (planned)
– ZIP/JAR archive– WSDL– XSD– XML– Images– Java source files– Java class files– Hibernate/JPA
– Seam– Drools rules– jPDL– MetaMatrix models – DDL– ANTLR grammars– Maven POM– Maven test results
... and more
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Red Hat
Analysis Library
Repository
Analysis and reporting
1) process
2) generate report
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Red Hat
Analysis library (planned)
– Dependency– Impact– Classification (tagging) indexes– Statistics– Traceability– Affinity (“closeness”)– Compliance– Provenance
... and more
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Red Hat
View Library
Repository
Domain-specific views
View selection based on node’s type, mixins and properties
when: mixin is ‘sql:table’ and mode is ‘detailed’then: use view ‘C’
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Red Hat
Examples of views
– Web service definition– Web service operation– Web service policy– Relational table– Relational database– Business process– Business process tasks– Business rule– XML Schema document– XML Schema element– XML Schema complex type– XML Schema simple datatype
– Java library– Java package– Java class– Session bean– Entity bean– Image– DNA sequencer– DNA analysis– DNA connector– DNA view
... and more
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Red Hat
Federation and integration
DB Repos
JDBC
DB Schema
JDBC
Directory
JNDI
JIRA
HTTP
SVN
HTTP
Salesforce
Java/HTTP
JCR Repos
JCR
RDBMSRepository RDBMS LDAP
Retry timeExpiry timeRefresh timeMinimum TTLAuthoritative
Retry timeExpiry timeRefresh timeMinimum TTLAuthoritative
Node information is cached,using source-specific cache guidelines
Repository Single, integrated graph composed in real time
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Red Hat
Federation and integration
• Distribution model similar to DNS– Information obtained from authoritative source, then cached locally– Sources dictate caching parameters (TTL, refresh, expiry, etc.)
• Clustering & XA transactions• Anticipated connectors
– JCR Repository– Relational storage– JDBC databases & schemas– JNDI (LDAP)– UDDI– SVN– JIRA– Salesforce – ... and more
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Red Hat
JBoss DNA architecture (another look)
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Red Hat
JBoss DNA
• Our cross-project repository• Throw stuff in, get much more out• Speaks your language
– Sequencers for different file formats– Analyses and reports– Domain-specific views– Eclipse plugins, web apps & frameworks, and REST service
• Federation and integration– Integrate live information from external systems– Distributed caching with TTL (DNS-like)– Distributed transactions– Clustering
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Red Hat
Project status
• Roadmap– Release early, release often (~8 weeks)– Release 0.1 (sequencers) in April– REST server and/or views are next, followed by federation
• What you can do– Know weʼre here– R&D call on Feb 26 (details to follow)– Give us feedback and advice– Join the project– Build sequencers, analyses, connectors, etc.– Use it!
http://labs.jboss.org/dna
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