org.problets.domain.model.expression.node.operator.arithmetic
Class Subtraction

java.lang.Object
  org.problets.domain.model.DomainModel
      org.problets.domain.model.expression.node.NodeModel
          org.problets.domain.model.expression.node.operator.Operator
              org.problets.domain.model.expression.node.operator.arithmetic.Arithmetic
                  org.problets.domain.model.expression.node.operator.arithmetic.Subtraction

All Implemented Interfaces:

java.lang.Cloneable

public class Subtraction
extends Arithmetic

To represent subtraction operator

Author:

Joshua Go, Amruth Kumar

Field Summary

static java.lang.String

SYMBOL

Fields inherited from class org.problets.domain.model.expression.node.operator.arithmetic.Arithmetic

TOTAL_OPERATORS

Fields inherited from class org.problets.domain.model.expression.node.operator.Operator

INCORRECT_OPERAND_COUNT

Fields inherited from class org.problets.domain.model.DomainModel

BOOLEAN, BREAKPOINT, CHARACTER, DOUBLE_PRECISION_REAL, ERROR_TYPE, EVAL_STATUS, expACTION, expASSIGNMENT, expAUTO_DEALLOCATION, expCALL, expCONDITION, expDECLARATION, expDEREFERENCING, expDYNAMIC_ALLOCATION, expDYNAMIC_ALLOCATION_INITIALIZATION, expDYNAMIC_DEALLOCATION, expELSE_CLAUSE, expERROR, expEXECUTION, expIF_CLAUSE, expINITIALIZATION, expINPUT, expPARAMETER_PASSING, expPRINT, expQUESTIONABLE, expREFERENCING, expRETURN, expRUNTIME_ERROR, expSEMANTIC_ERROR, expSYNTAX_ERROR, expUPDATE, IDENTITY, MAX_OBJECT_IDENTITY, MIN_OBJECT_IDENTITY, QUADRUPLE_PRECISION_REAL, RUNTIME_ERROR, SEMANTIC_ERROR, SIGNED_INTEGER, SIGNED_LONG, SIGNED_SHORT, SINGLE_PRECISION_REAL, SYNTAX_ERROR, UNDEFINED_TYPE, UNSIGNED_INTEGER, UNSIGNED_LONG, UNSIGNED_SHORT, WARNING

Constructor Summary

Subtraction()

Method Summary

Value	evaluate() Checks that arithmetic operators are not applied to boolean operands in Java/C#
void	explain(java.util.Vector explanation, java.util.Vector errors) Textually explains the evaluation of the tree - as opposed to graphical explanation by the view

Methods inherited from class org.problets.domain.model.expression.node.operator.arithmetic.Arithmetic

getCoercedValue, getLocalLearningObjectives, getQualifiedLearningObject

Methods inherited from class org.problets.domain.model.expression.node.operator.Operator

clone, coerceToReal, contentEquals, contentEquals, getArity, getAssociativity, getOperatorType, getPrecedence, getStudentCopy, getSymbol, grade, locateOperator, main, recursiveContentEquals, recursiveSetValue

Methods inherited from class org.problets.domain.model.expression.node.NodeModel

classifyNodes, getContent, getLeftChild, getNonRecursiveContent, getOrder, getPosition, getRecursiveContent, getRightChild, getSideEffects, getValue, insertInOrder, setLeftChild, setOrder, setPosition, setRightChild, setValue, shortCircuit, skip, subExpToString, toString, valueEquals

Methods inherited from class org.problets.domain.model.DomainModel

getId, getIdName, grade

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

SYMBOL

public static final java.lang.String SYMBOL

See Also:

Constant Field Values

Constructor Detail

Subtraction

public Subtraction()

Method Detail

evaluate

public Value evaluate()

Description copied from class: Arithmetic

Checks that arithmetic operators are not applied to boolean operands in Java/C#

Overrides:

evaluate in class Arithmetic

explain

public void explain(java.util.Vector explanation,
                    java.util.Vector errors)

Textually explains the evaluation of the tree - as opposed to graphical explanation by the view

Overrides:

explain in class Arithmetic