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Container-component model and XML in ALMA ACS
ALMA software, from high-level data °ow applications down to instrument control, is built using the ACS
framework. To meet the challenges of developing distributed software in distributed teams, ACS oŽers a con-
tainer/component model that integrates the use of XML transfer objects. ACS containers are built on top of
CORBA and are available for C++, Java, and Python, so that ALMA software can be written as components
in any of these languages. The containers perform technical aspects of the software system, while components
can focus on the implementation of functional requirements. Like Web services, components can use XML to
exchange structured data by value. For Java components, the container seamlessly integrates the use of XML
binding classes, which are Java classes that encapsulate access to XML data through type-safe methods. Binding
classes are generated from XML schemas, allowing the Java compiler to enforce compliance of application code
with the XML schemas. This presentation will explain the capabilities of the ACS container/component model,
and how it relates to other middleware technologies that are popular in industry.
[Paper]
26.9.2003
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 Abstract...
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Container-component model and XML in ALMA ACS
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together with
Heiko Sommer
,
Gianluca Chiozzi
,
Klemen Zaga
Conference: SPIE 2004
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Publications