SCXML -
Commons SCXML
Apache Commons SCXML ™
Last Published: 15 July 2015
Version: 2.0-SNAPSHOT
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Commons SCXML
State Chart XML (SCXML)
is currently a
Working Draft specification published by the World Wide Web Consortium (W3C).
SCXML provides a generic state-machine based execution environment based on Harel
State Tables. SCXML is a candidate for the control language within
multiple markup languages coming out of the W3C (see the latest Working Draft for details).
Commons SCXML
is an implementation aimed at creating
and maintaining a Java SCXML engine capable of executing a state machine defined
using a SCXML document, while abstracting out the environment interfaces.
The use cases for an SCXML engine are multiple and varied. Anything that can be
represented as a UML state chart -- business process flows, view navigation bits,
interaction or dialog management, and many more -- can leverage an SCXML engine
library.
Commons SCXML 2.0 Roadmap
The current development for Commons SCXML is targeted towards a 2.0 release which will be aligned and compliant
with the SCXML specification.
A high-level overview of the technical and functional changes needed towards this goal are available on the
Commons SCXML 2.0 Roadmap
Documentation
Latest documentation is available:
The latest
Javadoc
The latest
source
The
wiki
Commons SCXML
usecases
(case studies).
user guide
containing assorted API notes and tutorials.
Documentation for the most recent release is also available via the left side
menu bar.
Releases
The latest release is v0.9. Read
v0.9
release notes
before upgrading.
Download v0.9!
The first release was v0.5. The initial release version number was chosen
to be 0.5 (rather than a 1.0) to better convey the fact that the
underlying W3C specification is still a Working Draft, and subsequent changes
to the Draft may warrant changes to portions of the library API. The core
Commons SCXML APIs (SCXMLParser, SCXMLExecutor etc.) are stable.
Portions such as processing of and SCXML
elements, on the other hand, are subject to change as further changes are
expected in these sections of the W3C Working Draft. See Working Draft for
details.
Support
The
commons mailing lists
act as the main support forum.
The user list is suitable for most library usage queries.
The dev list is intended for the development discussion.
Please remember that the lists are shared between all commons components,
so prefix your email by [SCXML].
Issues may be reported via
ASF JIRA
Who is using it?
Projects that use Commons SCXML:
Related Projects
Related projects providing some SCXML-related functionality (based on Commons SCXML 0.9):
Commons SCXML - Eclipse
This project aims to provide an Eclipse and GMF based visual editor and debugger for SCXML, which can
also be used to generate SCXML documents and code from a state chart.
SCION
- SCION provides an implementation of SCXML in portable
JavaScript.
In the browser, SCION can be used to facilitate the development of rich, web-based user interfaces with complex
behavioural requirements; on the server, SCION can be used to manage asynchronous control flow.
SCION-Java
SCION-Java provides lightweight bindings to the SCION library for Java.
scxmlgui
This project aims to provide a simple GUI to edit SCXML state charts.
Copyright © 2005-2015
The Apache Software Foundation
Apache Commons, Apache Commons SCXML, Apache, the Apache feather logo, and the Apache Commons project logos are trademarks of The Apache Software Foundation.
All other marks mentioned may be trademarks or registered trademarks of their respective owners.