Package jmri.jmrit.logixng.util.parser

Interface ExpressionNodeWithParameter

All Superinterfaces:

ExpressionNode

All Known Implementing Classes:

ExpressionNodeArray, ExpressionNodeInstanceVariable, ExpressionNodeMap, ExpressionNodeMethod

public interface ExpressionNodeWithParameter
extends ExpressionNode

An expression that takes a parameter. This interface are used for ExpressionNodeFunction

Method Summary

Modifier and Type	Method	Description
default void	assignValue(Object parameter, SymbolTable symbolTable, Object value)	Assign a value to this expression from a parameter.
Object	calculate(Object parameter, SymbolTable symbolTable)	Calculate the expression from a parameter.
default Object	calculate(SymbolTable symbolTable)	Calculate the expression

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

assignValue, canBeAssigned, getDefinitionString

Method Details

calculate

default Object calculate(SymbolTable symbolTable)
                  throws JmriException

Calculate the expression

Specified by:

calculate in interface ExpressionNode

Parameters:

symbolTable - the symbol table

Returns:

the result

Throws:

JmriException - if an error occurs

calculate

Object calculate(Object parameter,
 SymbolTable symbolTable)
          throws JmriException

Calculate the expression from a parameter.

Parameters:

parameter - the parameter

symbolTable - the symbol table

Returns:

the result

Throws:

JmriException - if an error occurs

assignValue

default void assignValue(Object parameter,
 SymbolTable symbolTable,
 Object value)
                  throws JmriException

Assign a value to this expression from a parameter.

Parameters:

parameter - the parameter

symbolTable - the symbol table

value - the value to assign

Throws:

JmriException - if an error occurs