OpenWFE is a workflow engine. It is robust, extensible, and scalable. Access libraries for Python, Perl, and .NET make it easy to write custom interfaces or agents (automatic participants) for a workflow-enabled system.
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The development done on this release comprises
different efforts. The first of them focused on
the process definitions, where the concept of
variable substitution was generalized and now
allows nested references. A command-line tool
named "validate-flow.sh" has been created for
early validation of a flow definition, to
eliminate errors that were until now only detected
at runtime. The last effort was put into making
sure that droflo was usable in edit mode also when
not running as a root Web application.
This version introduces variable substitution, an
important new feature in its process definition
language. When used in the attribute value of a
tag, "${myvar}" is resolved to the content of the
"myvar" variable. Coupled to an iterator or a
concurrent-iterator, it can simplify definitions
dramatically. The webclient and drolo are now
avaible as WARs to drop in your Tomcat webapps/
tree or whichever Java webapp server you are
using. Lots of small bugs were fixed, leading to a
very innovating but robust release.
This release fixes a lot of bugs. Some new
features include a MailNotifiedParticipant which
takes advantage of Jakarta Velocity to send
notification of workitems to participants, an
"all-in-one" packaged release, and a DB2DataSource
for Xdbc and Swis. The "all-in-one" release packs
together an engine, a worklist, and a reactor. It
consumes fewer resources, and really demonstrates
another way of deploying OpenWFE.
