Package com.ezylang.evalex.config

Class MapBasedFunctionDictionary

java.lang.Object

com.ezylang.evalex.config.MapBasedFunctionDictionary

All Implemented Interfaces:

FunctionDictionaryIfc

public class MapBasedFunctionDictionary
extends java.lang.Object
implements FunctionDictionaryIfc

A default case-insensitive implementation of the function dictionary that uses a local Map.Entry<String, FunctionIfc> for storage.

Constructor Summary

Constructors

Constructor	Description
MapBasedFunctionDictionary()

Method Summary

Modifier and Type	Method	Description
void	addFunction(java.lang.String functionName, FunctionIfc function)	Allows to add a function to the dictionary.
FunctionIfc	getFunction(java.lang.String functionName)	Get the function definition for a function name.
static FunctionDictionaryIfc	ofFunctions(java.util.Map.Entry<java.lang.String,FunctionIfc>... functions)	Creates a new function dictionary with the specified list of functions.

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.ezylang.evalex.config.FunctionDictionaryIfc

hasFunction

Constructor Detail

MapBasedFunctionDictionary

public MapBasedFunctionDictionary()

Method Detail

ofFunctions

public static FunctionDictionaryIfc ofFunctions(java.util.Map.Entry<java.lang.String,FunctionIfc>... functions)

Creates a new function dictionary with the specified list of functions.

Parameters:

functions - variable number of arguments that specify the function names and definitions that will initially be added.

Returns:

A newly created function dictionary with the specified functions.

getFunction

public FunctionIfc getFunction(java.lang.String functionName)

Description copied from interface: FunctionDictionaryIfc

Get the function definition for a function name.

Specified by:

getFunction in interface FunctionDictionaryIfc

Parameters:

functionName - The name of the function.

Returns:

The function definition or null if no function was found.

addFunction

public void addFunction(java.lang.String functionName,
                        FunctionIfc function)

Description copied from interface: FunctionDictionaryIfc

Allows to add a function to the dictionary. Implementation is optional, if you have a fixed set of functions, this method can throw an exception.

Specified by:

addFunction in interface FunctionDictionaryIfc

Parameters:

functionName - The function name.

function - The function implementation.