Real-time Java: Difference between revisions

Revision as of 15:53, 22 December 2023

Revision as of 16:09, 22 December 2023

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* event handling.

The initial [proposal<ref>http://www.cs.cornell.edu/courses/cs614/1999sp/papers/rtji.pdf proposal]</ref> for an open standard for real-time Java was put forth by Kelvin Nilsen, then serving as a research faculty member at Iowa State University. A follow-on overview paper was published in the ''[[Communications of the ACM]]''.<ref>https://dl.acm.org/doi/abs/10.1145/276609.276619 CACM].</ref> The overwhelmingly positive response to these early proposals resulted in a series of meetings hosted by the National Institute of Standards and Technology in an effort to establish an open standard for real-time Java. NIST was ultimately told that they were not the appropriate body to establish standards related to the Java language, as Java was trademarked, and the technologies were owned by Sun Microsystems. Therefore, NIST ended their efforts with publication of consensus [requirements.<ref>https://www.itl.nist.gov/div897/ctg/real-time/rtj-final-draft.pdf requirements]</ref> that could be considered by future standardization efforts to be hosted by Sun Microsystems.

When the [[Java Community Process|Java Community]] was formed, the very first effort was the specification for real-time Java, JSR001. A number of implementations of the resulting ''Real-time specification for Java'' (''RTSJ'') have emerged, including a [[reference implementation (computing)|reference implementation]] from [[TimeSys|Timesys]], [[IBM]]'s WebSphere Real Time, [[Sun Microsystems]]'s Java SE Real-Time Systems,<ref>[http://java.sun.com/javase/technologies/realtime/index.jsp Java SE Real-Time Systems]</ref> PTC Perc from [[PTC, Inc.]],<ref>[http://www.ptc.com/developer-tools/perc PTC Perc]</ref> or [[JamaicaVM]] from [[aicas]].

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==Real-Time Specification for Java==

The ''Real-Time Specification for Java'' (RTSJ) is a set of [[Interface (computer science)|interface]]s and behavioral refinements that enable real-time [[computer programming]] in the [[Java (programming language)|Java programming language]]. RTSJ 1.0 was developed as JSR 1 under the [[Java Community Process]], which approved the new standard in November, 2001. RTSJ 2.0 is being developed under JSR 282. A draft version is available at [a JCP page.<ref>https://www.jcp.org/en/jsr/detail?id=282 JSR 282 JCP Page].</ref> More information can be found atfrom [[Aicas]].<ref>https://www.aicas.com/cms/rtsj RTSJ 2.0]</ref>

==See also==