Interface FeelCustomFunctionProvider
public interface FeelCustomFunctionProvider
Provides one or more functions which can be used in an FEEL expression.
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Method Summary
Modifier and TypeMethodDescriptionReturns the names of all functions.resolveFunction
(String functionName) Returns the function for the given name.
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Method Details
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resolveFunction
Returns the function for the given name.- Parameters:
functionName
- the name of the function- Returns:
- the function or
Optional.empty()
, if no function is provided for this name
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getFunctionNames
Collection<String> getFunctionNames()Returns the names of all functions.- Returns:
- the names of all functions
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