cdx.scorebot.scoring.logic
Class Identifier

java.lang.Object
  cdx.scorebot.scoring.logic.Identifier

All Implemented Interfaces:

LogicCode, LogicCodeEvaluatable, PrimaryExpressionType

public class Identifier
extends java.lang.Object
implements LogicCodeEvaluatable, PrimaryExpressionType

Stores the name of a Variable

Author:

David Underhill

Constructor Summary

Identifier(java.lang.String varName)
instantiates a variable identifier

Method Summary

Literal	evaluateLogic(Context context) returns the value of the variable whose name is specified by this identifier
LiteralType	evaluateTypeOnly(java.util.HashMap<java.lang.String,LiteralType> varTypes, java.util.HashMap<java.lang.String,TestData> testsInfo) returns the kind of literal this evaluates to
java.lang.String	getName() gets the name of the variable

Methods inherited from class java.lang.Object

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

Constructor Detail

Identifier

public Identifier(java.lang.String varName)

instantiates a variable identifier

Parameters:

varName - name of the variable

Method Detail

evaluateLogic

public Literal evaluateLogic(Context context)
                      throws LogicException

returns the value of the variable whose name is specified by this identifier

Specified by:

evaluateLogic in interface LogicCodeEvaluatable

Parameters:

context - contains the current context of the logic processor

Returns:

the variable's value

Throws:

UndefinedVariableException - occurs if the specified variable's name has never been declared

LogicException - thrown if an exception occurs while processing the logic

evaluateTypeOnly

public LiteralType evaluateTypeOnly(java.util.HashMap<java.lang.String,LiteralType> varTypes,
                                    java.util.HashMap<java.lang.String,TestData> testsInfo)
                             throws LogicException

Description copied from interface: LogicCodeEvaluatable

returns the kind of literal this evaluates to

Specified by:

evaluateTypeOnly in interface LogicCodeEvaluatable

Parameters:

varTypes - contains the type of value stored by each variable (variables names are keys)

testsInfo - information about each test item keyed on test item names this logic may hold

Returns:

the LiteralType this evaluates to

Throws:

LogicException - thrown if there is a problem with type which prevents this from being evaluated

getName

public java.lang.String getName()

gets the name of the variable