org.camunda.bpm.dmn.feel.impl.scala.function.builder

Interface CustomFunctionBuilder

All Known Implementing Classes:

CustomFunctionBuilderImpl

public interface CustomFunctionBuilder

Fluent builder to create a CustomFunction.

Method Summary

Modifier and Type	Method and Description
CustomFunction	build() Returns the custom function to be registered in FeelCustomFunctionProvider.
CustomFunctionBuilder	enableVarargs() Enable variable arguments
CustomFunctionBuilder	setFunction(java.util.function.Function<List<Object>,Object> function) Pass a Function with a List of objects as argument and an object as return value.
CustomFunctionBuilder	setParams(String... params) Define the parameters of the custom function.
CustomFunctionBuilder	setReturnValue(Object result) Define a custom function that only returns a value and has no further business logic (method body).

Method Detail

setParams

CustomFunctionBuilder setParams(String... params)

Define the parameters of the custom function.

Parameters:

params - of the custom function

Returns:

the builder

enableVarargs

CustomFunctionBuilder enableVarargs()

Enable variable arguments

Returns:

the builder

setReturnValue

CustomFunctionBuilder setReturnValue(Object result)

Define a custom function that only returns a value and has no further business logic (method body). It is not possible to use this method together with setFunction(java.util.function.Function<java.util.List<java.lang.Object>, java.lang.Object>).

Parameters:

result - that should be returned by the custom function

Returns:

the builder

setFunction

CustomFunctionBuilder setFunction(java.util.function.Function<List<Object>,Object> function)

Pass a Function with a List of objects as argument and an object as return value. It is not possible to use this method together with setReturnValue(java.lang.Object).

Parameters:

function - to be called

Returns:

the builder

build

CustomFunction build()

Returns the custom function to be registered in FeelCustomFunctionProvider.

Returns:

a custom function

Throws:

FeelException - when both setFunction(java.util.function.Function<java.util.List<java.lang.Object>, java.lang.Object>) and setReturnValue(java.lang.Object) were called