ITasks

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Itasks-logo.png

The iTask system (iTasks) is a toolkit for programming workflow management applications in Clean.

With this toolkit workflows can be speficied using combinators in a very high level declarative monadic style. Workflows consist of typed tasks that produce results that can be passed as parameters to other tasks. Workflows are constructed by combining single steps sequentially or in parallel. From iTask specifications, executable workflow support systems are generated automatically.

Lately we have been working on version 2 of iTasks that takes the quality of the generated workflow support systems to a higher level and aims to offer end-users working on tasks a more user-friendly experience. We have presented this new incarnation of the iTask system at the IFL 2009 conference, and we are working on getting it ready for an alpha release.

The iTask2 GUI

This latest version features:

  • A highly declarative API for specification of dynamic workflows
  • A rich Ajax client interface for working on tasks
  • Automatically generated editors for entering and updating data in workflows.
  • A JSON based service API for spawning and interacting with running workflow instances
  • The possibility to change running workflow instances


Download

The iTask system is actively developed, but has no regular release schedule. We provide alpha builds on request or on special occasions such as use during courses.

The latest packaged release we created for a course can be found at:

http://www.cs.ru.nl/~baslijns/iTasks-prereleases/BR-2010.zip

Read more

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