A Directory Service for the CERN PS/SL Java Programming Interface

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Description

The CERN PS and SL accelerator control groups developed a common application programming interface (API) in Java [1]. Part of this API is a directory service that provide information about the underlying hardware and software. With this information, it is possible to write generic programs that do general actions on lists of devices without hard coding of device names. And, starting from a device name, full details about related devices, the device itself and its class and properties, can be obtained, including the meaning of bits and bit-patterns in status words. The interface definition is independent of any implementation but ... continued below

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238 Kilobytes pages

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Cuperus, J.; Charrue, P.; DiMaio, F.; Kostro, K. & Watson, W. October 1, 1999.

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Description

The CERN PS and SL accelerator control groups developed a common application programming interface (API) in Java [1]. Part of this API is a directory service that provide information about the underlying hardware and software. With this information, it is possible to write generic programs that do general actions on lists of devices without hard coding of device names. And, starting from a device name, full details about related devices, the device itself and its class and properties, can be obtained, including the meaning of bits and bit-patterns in status words. The interface definition is independent of any implementation but a reference implementation is provided using Java Database Connectivity (JDBC) against a set of tables in a relational database. Data from very different systems can be brought together and presented in a uniform way to the user. The full potential of the directory service is reached when it is used in software components (Java Beans).

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238 Kilobytes pages

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  • International Conference on Accelerators and Large Experimental Physics Control Systems, Trieste (IT), 10/04/1999--10/08/1999

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  • Report No.: JLAB-ADM-99-02
  • Report No.: DOE/ER/40150-1806
  • Grant Number: AC05-84ER40150
  • Office of Scientific & Technical Information Report Number: 774731
  • Archival Resource Key: ark:/67531/metadc716651

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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Creation Date

  • October 1, 1999

Added to The UNT Digital Library

  • Sept. 29, 2015, 5:31 a.m.

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  • Feb. 5, 2016, 8:48 p.m.

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Cuperus, J.; Charrue, P.; DiMaio, F.; Kostro, K. & Watson, W. A Directory Service for the CERN PS/SL Java Programming Interface, article, October 1, 1999; Newport News, Virginia. (digital.library.unt.edu/ark:/67531/metadc716651/: accessed September 24, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.