The use of the abstract job description language language permits a complete focus on the job at hand, and clear thinking without implementation considerations. All semantic questions can and should be answered at this very high level. The use of an interpreter allows flexibility as the job evolves, where a concrete implementation may be difficult to modify once written. This technique also encourages a clear interface between programmatic units, since the interface is usually a consequence of the language, rather than being defined ad-hoc between individual modules in a concrete implementation.
The use of the abstract job description language language permits a complete focus on the job at hand, and clear thinking without implementation considerations. All semantic questions can and should be answered at this very high level. The use of an interpreter allows flexibility as the job evolves, where a concrete implementation may be difficult to modify once written. This technique also encourages a clear interface between programmatic units, since the interface is usually a consequence of the language, rather than being defined ad-hoc between individual modules in a concrete implementation.
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