Package org.operaton.bpm.dmn.feel.impl.scala.function.builder

Class CustomFunctionBuilderImpl

java.lang.Object

org.operaton.bpm.dmn.feel.impl.scala.function.builder.CustomFunctionBuilderImpl

All Implemented Interfaces:

CustomFunctionBuilder

public class CustomFunctionBuilderImpl
extends Object
implements CustomFunctionBuilder

Field Summary

Fields

Modifier and Type	Field	Description
protected CustomFunction	customFunction
protected int	functionCount
protected static final ScalaFeelLogger	LOGGER

Constructor Summary

Constructors

Constructor	Description
CustomFunctionBuilderImpl()

Method Summary

Modifier and Type	Method	Description
CustomFunction	build()	Returns the custom function to be registered in FeelCustomFunctionProvider.
protected void	checkHasFunction()
CustomFunctionBuilder	enableVarargs()	Enable variable arguments
CustomFunctionBuilder	setFunction(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 returnValue)	Define a custom function that only returns a value and has no further business logic (method body).

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

LOGGER

protected static final ScalaFeelLogger LOGGER

customFunction

protected CustomFunction customFunction

functionCount

protected int functionCount

Constructor Details

CustomFunctionBuilderImpl

public CustomFunctionBuilderImpl()

Method Details

setParams

public CustomFunctionBuilder setParams(String... params)

Description copied from interface: CustomFunctionBuilder

Define the parameters of the custom function.

Specified by:

setParams in interface CustomFunctionBuilder

Parameters:

params - of the custom function

Returns:

the builder

enableVarargs

public CustomFunctionBuilder enableVarargs()

Description copied from interface: CustomFunctionBuilder

Enable variable arguments

Specified by:

enableVarargs in interface CustomFunctionBuilder

Returns:

the builder

setReturnValue

public CustomFunctionBuilder setReturnValue(Object returnValue)

Description copied from interface: CustomFunctionBuilder

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

Specified by:

setReturnValue in interface CustomFunctionBuilder

Parameters:

returnValue - that should be returned by the custom function

Returns:

the builder

setFunction

public CustomFunctionBuilder setFunction(Function<List<Object>,Object> function)

Description copied from interface: CustomFunctionBuilder

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 CustomFunctionBuilder.setReturnValue(java.lang.Object).

Specified by:

setFunction in interface CustomFunctionBuilder

Parameters:

function - to be called

Returns:

the builder

build

public CustomFunction build()

Description copied from interface: CustomFunctionBuilder

Returns the custom function to be registered in FeelCustomFunctionProvider.

Specified by:

build in interface CustomFunctionBuilder

Returns:

a custom function

checkHasFunction

protected void checkHasFunction()