Module dev.metaschema.core

Package dev.metaschema.core.metapath.function

Interface IFunctionExecutor

All Known Implementing Classes:

CastFunction, NumericFunction

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public interface IFunctionExecutor

This functional interface provides a dispatch method for executing a function call.

Method Summary

Modifier and Type	Method	Description
ISequence<?>	execute(IFunction function, List<ISequence<?>> arguments, DynamicContext dynamicContext, IItem focus)	Execute the provided function using the provided arguments, dynamic context, and focus.

Method Details

execute

@NonNull
ISequence<?> execute(@NonNull
 IFunction function,
 @NonNull
 List<ISequence<?>> arguments,
 @NonNull
 DynamicContext dynamicContext,
 @Nullable
 IItem focus)

Execute the provided function using the provided arguments, dynamic context, and focus.

Parameters:

function - the signature of the function

arguments - the function arguments

dynamicContext - the dynamic evaluation context

focus - the current focus

Returns:

a sequence containing the result of the execution

Throws:

MetapathException - if an error occurred while executing the function