jmathlib.core.tokens
Class ConditionToken

java.lang.Object
  jmathlib.core.interpreter.RootObject
      jmathlib.core.tokens.Token
          jmathlib.core.tokens.OperandToken
              jmathlib.core.tokens.ConditionToken

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable, ErrorCodes, TokenConstants

public class ConditionToken
extends OperandToken

Used to implement if-then-else operations within an expression

See Also:

Serialized Form

Field Summary

Fields inherited from class jmathlib.core.tokens.Token

priority

Fields inherited from interface jmathlib.core.constants.TokenConstants

ADDSUB_PRIORITY, AND_PRIORITY, ANDAND_PRIORITY, ASSIGN_PRIORITY, BRACKET_PRIORITY, COMPARE_PRIORITY, CONCAT, MATRIX, MULDIV_PRIORITY, OR_PRIORITY, OROR_PRIORITY, PARAMETER, POWER_PRIORITY, RELATION_PRIORITY, SINGLE, ttDelimiter, ttNotSet, ttOperand, ttOperator

Fields inherited from interface jmathlib.core.constants.ErrorCodes

ERR_BRACKET_OPEN, ERR_BRACKET_ORDER, ERR_FUNCTION_NOT_FOUND, ERR_FUNCTION_NOT_IMPLEMENTED, ERR_INSUFFICIENT_PARAMETERS, ERR_INVALID_PARAMETER, ERR_LVALUE_REQUIRED, ERR_MATRIX_SINGULAR, ERR_NOT_SQUARE_MATRIX, ERR_OPNOTSUPPORTED, ERR_TOO_MANY_PARAMETERS, ERR_USER_ERROR, ERR_VARIABLE_NOTDEFINED, OK, OK_FUNCTION_PROCESS

Constructor Summary

ConditionToken(OperandToken _condition, OperandToken _code)
Constructor setting ifRelation and ifCode

Method Summary

OperandToken	evaluate(Token[] operands, GlobalValues globals) evaluates the operator
OperandToken	getCondition()
OperandToken	getExpression()
java.lang.String	toString() Convert the operator to a string

Methods inherited from class jmathlib.core.tokens.OperandToken

add, asArray, Children, ctranspose, derivative, divide, expand, factorial, integral, isLeaf, isNull, isNumeric, leftDivide, mpower, mPower, multiply, negate, power, scalarDivide, scalarLeftDivide, scalarMultiply, simplify, subst, subtract, transpose

Methods inherited from class jmathlib.core.tokens.Token

isDisplayResult, setDisplayResult, toMathMlString, toString

Methods inherited from class jmathlib.core.interpreter.RootObject

clone, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

ConditionToken

public ConditionToken(OperandToken _condition,
                      OperandToken _code)

Constructor setting ifRelation and ifCode

Parameters:

_ifRelation - = the test relation

_ifCode - = the code to execute if the test is true

Method Detail

getCondition

public OperandToken getCondition()

Returns:

getExpression

public OperandToken getExpression()

Returns:

evaluate

public OperandToken evaluate(Token[] operands,
                             GlobalValues globals)

evaluates the operator

Specified by:

evaluate in class Token

Parameters:

operands - = the operators operands

-

Returns:

the result of the test as an OperandToken

toString

public java.lang.String toString()

Convert the operator to a string

Specified by:

toString in class Token

Returns:

the operator as a string