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From "Suresh Marru (JIRA)" <>
Subject [jira] [Commented] (AIRAVATA-798) [GSoC] Web based Workflow Composer for Airavata
Date Sun, 24 Mar 2013 15:35:14 GMT


Suresh Marru commented on AIRAVATA-798:

Andun, don't take the framework's I mentioned seriously, I know nothing about them other then
they are popular. So you have to pick the framework and convince why you did so. The new UI
has to be built with use of Airavata API which abstracts all server logic. But the API might
not have everything you need, that can be another GSOC project. May be if you find a good
project partner, we can have two projects to go hand in hand.
> [GSoC] Web based Workflow Composer for Airavata 
> ------------------------------------------------
>                 Key: AIRAVATA-798
>                 URL:
>             Project: Airavata
>          Issue Type: New Feature
>          Components: Workflow Interpreter, XBaya
>            Reporter: Suresh Marru
>              Labels: gsoc2013, mentor
> Apache Airavata users construct workflows by chaining together set of applications and
web services resulting in a graphical representation of workflows. These workflows composed
by drag and drop features build a abstract and high lever workflow languages.Currently Airavata
XBaya services these needs and is implemented in Java Swing. Similarly XBaya was also implemented
in Flex.
> This project focuses on developing a web based version of the workflow composition and
monitoring interface similar in functionality to XBaya. Currently XBaya WSDL operations and
message type definition determines both the number of input/output parameters that the component
has and the data type of each parameter. Messages are general XML and can have deeply-nested
structures.  However, XBaya treats the child elements of the root of a message as independent
parameters. The type of each parameter can be any simple type (string, integer, etc.), array,
or a complex type. The potential student can evaluate the use of WSDL and come up with alternatives.

> The student for this task has to be prepared to work extensively in java script to build
the drag drop interface. WSDL knowledge will be preferred but not mandatory, that can be acquired.

> User community & Impact of the software: Airavata is a general purpose distributed
systems software. It is used to build science gateways supporting research and education in
chemistry, life sciences, biophysics, environmental sciences, geosciences astronomy and nuclear
physics. The goal of airavata is to enhance productivity of these gateways to utilize cyberinfrastructure
of resources (e.g., local lab resources, the Extreme Science and Engineering Discovery Environment
(XSEDE), the Open Science Grid (OSG), University Clusters, Academic and Commercial Computational
Clouds like FutureGrid & Amazon EC2). By using open community based software components
and services like Airavata, gateways will be able to focus on providing additional scientific
capabilities and to expanding the number of supported users. The capabilities of these gateways
will offer clear benefits to society.

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