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public interface FormulaFunctionLibrary
Provides the main interface that must be implemented for the user defined library. User-defined functions are organized into collections called User-defined Function Libraries. Each User-defined Function Library must implement the FormulaFunctionLibrary interface, which provides methods for retrieving the functions in the library. All of the methods in this interface must be implemented.
Method Summary | |
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FormulaFunction |
getFunction(int functionNumber)
Gets an instance of a function ( FormulaFunction ) in the library. |
int |
size()
Gets the number of functions in the library (the number of FormulaFunction instances that the
library provides). |
Method Detail |
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int size()
Gets the number of functions in the library (the number of FormulaFunction
instances that the
library provides).
FormulaFunction getFunction(int functionNumber)
Gets an instance of a function (FormulaFunction
) in the library. The FormulaFunction
instance returned
corresponds to the functionNumber
taken in by the getFunction method. The instances returned should be different for
each different functionNumber
, however, instances returned for the same functionNumber
may either be the same or different.
functionNumber
- an int
that corresponds to a function in the library
FormulaFunction
object
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