net.sourceforge.plantuml.evalex

Class AbstractFunction

java.lang.Object

net.sourceforge.plantuml.evalex.AbstractLazyFunction

net.sourceforge.plantuml.evalex.AbstractFunction

All Implemented Interfaces:

Function, LazyFunction

Direct Known Subclasses:

Expression.Function

public abstract class AbstractFunction
extends AbstractLazyFunction
implements Function

Abstract implementation of a direct function.

This abstract implementation does implement lazyEval so that it returns the result of eval.

Field Summary

Fields inherited from class net.sourceforge.plantuml.evalex.AbstractLazyFunction

booleanFunction, name, numParams

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	AbstractFunction(java.lang.String name, int numParams) Creates a new function with given name and parameter count.
protected	AbstractFunction(java.lang.String name, int numParams, boolean booleanFunction) Creates a new function with given name and parameter count.

Method Summary

Modifier and Type	Method and Description
Expression.LazyNumber	lazyEval(java.util.List<Expression.LazyNumber> lazyParams) Lazily evaluate this function.

Methods inherited from class net.sourceforge.plantuml.evalex.AbstractLazyFunction

getName, getNumParams, isBooleanFunction, numParamsVaries

Methods inherited from class java.lang.Object

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

Methods inherited from interface net.sourceforge.plantuml.evalex.Function

eval

Methods inherited from interface net.sourceforge.plantuml.evalex.LazyFunction

getName, getNumParams, isBooleanFunction, numParamsVaries

Constructor Detail

AbstractFunction

protected AbstractFunction(java.lang.String name,
                           int numParams)

Creates a new function with given name and parameter count.

Parameters:

name - The name of the function.

numParams - The number of parameters for this function. -1 denotes a variable number of parameters.

AbstractFunction

protected AbstractFunction(java.lang.String name,
                           int numParams,
                           boolean booleanFunction)

Creates a new function with given name and parameter count.

Parameters:

name - The name of the function.

numParams - The number of parameters for this function. -1 denotes a variable number of parameters.

booleanFunction - Whether this function is a boolean function.

Method Detail

lazyEval

public Expression.LazyNumber lazyEval(java.util.List<Expression.LazyNumber> lazyParams)

Description copied from interface: LazyFunction

Lazily evaluate this function.

Specified by:

lazyEval in interface LazyFunction

Parameters:

lazyParams - The accepted parameters.

Returns:

The lazy result of this function.