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   Programming a BEA Tuxedo Application Using FML

This section describes the functions available for evaluating boolean expressions in which the "variables" are the values of fields in a fielded buffer or a VIEW. Functions described in this section allow you to:

• Compile a boolean expression into a compact form suitable for evaluation

• Evaluate a boolean expression against a fielded buffer or a VIEW, returning a true or false answer

• Print a compiled boolean expression

A function is provided that compiles the expression into a compact form suitable for efficient evaluation. A second function evaluates the compiled form against a fielded buffer to produce a true or false answer.

 

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