OSGi Remote Services With SCA using Apache Tuscany

OSGi Remote Services with SCA using Apache Tuscany Raymond Feng [email_address]

Agenda ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

What are OSGi remote services?

OSGi local services ,[object Object],[object Object]

OSGi Remote Services ,[object Object],[object Object],[object Object],[object Object]

OSGi Remote Services NOTE: The diagram is copied from OSGi Service Platform Service Compendium R4.2 spec

Related OSGi specs ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

SCA Configuration Type ,[object Object],[object Object]

Remote Service Admin ,[object Object],[object Object],[object Object],[object Object],[object Object]

OSGi remote services - A sample scenario

An OSGi based Calculator Add Service Operations Bundle Subtract Service Multiply Service Divide Service Calculator bundle Calculator Service OSGi service OSGi service reference Calculator Service OSGi service interface OSGi service implementation

Making the Calculator Distributed ,[object Object],[object Object],[object Object]

OSGi Remote Services enabled Calculator Add Service Operations Bundle Subtract Service Multiply Service Divide Service Calculator bundle Calculator Service RMI Web Service RMI RMI RMI OSGi runtime #1 OSGi runtime #2

Modeling OSGi entities using SCA

SCA environment Add Service The Calculator Scenario: OSGi Remote Services with SCA runtime as the distribution software OSGi bundle OSGi bundle SCA Component implementation.osgi SCA Component implementation.osgi Subtract Service Multiply Service Divide Service Calculator Service binding.rmi or binding.ws

Operations Calculator binding.rmi binding.ws OSGI-INF/sca/bundle.composite Add Service Operations Bundle Subtract Service Multiply Service Divide Service Calculator bundle Calculator Service SCA bundle Defining the SCA composite for OSGi bundles

SCA view of OSGi services and references RMI RMI RMI RMI Calculator Service Web Service SCA proxies Local Service Local OSGi Service Implementation OSGi Service Registry Add Service Subtract Service Multiply Service Divide Service SCA Service SCA References

SCA implementation.osgi ,[object Object],[object Object],[object Object],[object Object],[object Object]

Predefined mapping from OSGi to SCA http://svn.apache.org/repos/asf/tuscany/java/sca/samples/dosgi-calculator/ http://svn.apache.org/repos/asf/tuscany/java/sca/samples/dosgi-calculator-operations/

Mapping an OSGi bundle to an SCA componentType ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

SCA composite for the OSGi bundle ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

On-demand mapping from OSGi to SCA http://svn.apache.org/repos/asf/tuscany/java/sca/samples/dosgi-dynamic-calculator/ http://svn.apache.org/repos/asf/tuscany/java/sca/samples/dosgi-dynamic-calculator-operations/

Remote Service Admin NOTE: The diagram is copied from OSGi Remote Service Admin spec (to be published)

Remote Services with SCA NOTE: The diagram is copied from OSGi Remote Service SCA Configuration Type spec (to be published)

Publish remote services ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Look up remote services (ServiceTracker) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

MANIFEST.MF ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

SCA Configuration ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Local endpoint descriptions ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

SCA Domain based service discovery

Local/Domain Registry for OSGi discovery Calculator Service SCA proxies Local Service Local OSGi Service Implementation OSGi Service Registry Subtract Service Multiply Service Divide Service OSGi Service Registry Add Service Subtract Service Multiply Service Divide Service RMI RMI Add Service Node Node ListenerHook Filter Matching ServiceTracker SCA Domain Endpoint descriptions in Local XML file ,[object Object],[object Object],[object Object],OSGi runtime #1 OSGi runtime #2

OSGi Remote Services With SCA using Apache Tuscany

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