Basic HTML version of Foils prepared August 16 99

Foil 40 File Formats I

From Overview of Gateway Project DoD MetaSystems Workshop Charlottesville Va. -- August 11-13 99. by Geoffrey C. Fox, Bill asbury, Ken Flurchick, Tom Haupt
Gateway should support input and output files with certain characteristics including
Native: internal format known to a particular application -- no checking of format matching if link output of one module to input of another
parameterinput: special file constructed in XML defining basic parameters needed by a batch job
  • Gateway automatically sets defaults, allows user input and applies any appropriate checks at frontend
  • User provides a bridge to convert Gateway file to form understood by batch job. This can use special Gateway utilities which provide Fortan, C and Java functions to get parameter values in backend user code
  • We decided such parameters would need default, min, max, type and array dimensions to be specified in XML specification of these parameters

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