Package io.appform.hope.lang

Class HopeLangEngine.Builder

java.lang.Object

io.appform.hope.lang.HopeLangEngine.Builder

Enclosing class:

HopeLangEngine

public static class HopeLangEngine.Builder
extends Object

Method Summary

Modifier and Type	Method	Description
HopeLangEngine.Builder	addPackage(String userPackage)	Add a package that will be scanned besides stdlib for implementations of HopeFunction
HopeLangEngine	build()	Build a Hope language parser
HopeLangEngine.Builder	errorHandlingStrategy(ErrorHandlingStrategy errorHandlingStrategy)	Override error handling strategy.
HopeLangEngine.Builder	registerFunction(Class<? extends HopeFunction> hopeFunctionClass)	Register a HopeFunction implementation directly to the function registry

Methods inherited from class java.lang.Object

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

Method Detail

addPackage

public HopeLangEngine.Builder addPackage(String userPackage)

Add a package that will be scanned besides stdlib for implementations of HopeFunction

Parameters:

userPackage - package to be scanned

Returns:

builder

registerFunction

public HopeLangEngine.Builder registerFunction(Class<? extends HopeFunction> hopeFunctionClass)

Register a HopeFunction implementation directly to the function registry

Parameters:

hopeFunctionClass - Implementation of HopeFunction. Needs to be annotated with FunctionImplementation and have a constructor only having zero or more Value as params.

Returns:

builder

errorHandlingStrategy

public HopeLangEngine.Builder errorHandlingStrategy(ErrorHandlingStrategy errorHandlingStrategy)

Override error handling strategy. Default is DefaultErrorHandlingStrategy. Can also be InjectValueErrorHandlingStrategy or something custom.

Parameters:

errorHandlingStrategy - Error handling strategy

Returns:

builder

build

public HopeLangEngine build()

Build a Hope language parser

Returns:

a fully initialized immutable parser