Package jmri.jmrit.logixng.util.parser

Class ExpressionNodeMethod

java.lang.Object

jmri.jmrit.logixng.util.parser.ExpressionNodeMethod

All Implemented Interfaces:

ExpressionNode, ExpressionNodeWithParameter

public class ExpressionNodeMethod
extends Object
implements ExpressionNodeWithParameter

A parsed expression

Constructor Summary

Constructors

Constructor	Description
ExpressionNodeMethod(String method, Map<String,Variable> variables, List<ExpressionNode> parameterList)

Method Summary

Modifier and Type	Method	Description
Object	calculate(Object parameter, SymbolTable symbolTable)	Calculate the expression from a parameter.
String	getDefinitionString()	Get a String that defines this expression node.

Methods inherited from class java.lang.Object

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

Methods inherited from interface jmri.jmrit.logixng.util.parser.ExpressionNode

assignValue, canBeAssigned

Methods inherited from interface jmri.jmrit.logixng.util.parser.ExpressionNodeWithParameter

assignValue, calculate

Constructor Details

ExpressionNodeMethod

public ExpressionNodeMethod(String method,
 Map<String,Variable> variables,
 List<ExpressionNode> parameterList)
                     throws FunctionNotExistsException

Throws:

FunctionNotExistsException

Method Details

calculate

public Object calculate(Object parameter,
 SymbolTable symbolTable)
                 throws JmriException

Description copied from interface: ExpressionNodeWithParameter

Calculate the expression from a parameter.

Specified by:

calculate in interface ExpressionNodeWithParameter

Parameters:

parameter - the parameter

symbolTable - the symbol table

Returns:

the result

Throws:

JmriException - if an error occurs

getDefinitionString

public String getDefinitionString()

Get a String that defines this expression node.

Specified by:

getDefinitionString in interface ExpressionNode

Returns:

the string