com.satline.expr.eval
Class NullValue

java.lang.Object
  com.satline.expr.eval.ExpressionValue
      com.satline.expr.eval.NullValue

public class NullValue
extends ExpressionValue

Field Summary

Fields inherited from class com.satline.expr.eval.ExpressionValue

NULL

Method Summary

ExpressionValue	evalAbsFunction()
ExpressionValue	evalAddition(ExpressionValue right)
ExpressionValue	evalAnd(ExpressionValue right)
ExpressionValue	evalAvgFunction()
ExpressionValue	evalConcatenation(ExpressionValue right)
ExpressionValue	evalCountFunction()
ExpressionValue	evalDivision(ExpressionValue right)
ExpressionValue	evalEquality(ExpressionValue right)
ExpressionValue	evalGreaterEqual(ExpressionValue right)
ExpressionValue	evalGreaterThan(ExpressionValue right)
ExpressionValue	evalInequality(ExpressionValue right)
ExpressionValue	evalInTerm(ExpressionValue right)
ExpressionValue	evalIsNotNull()
ExpressionValue	evalIsNull()
ExpressionValue	evalLengthFunction()
ExpressionValue	evalLessEqual(ExpressionValue right)
ExpressionValue	evalLessThan(ExpressionValue right)
ExpressionValue	evalLike(ExpressionValue right)
ExpressionValue	evalLowerFunction()
ExpressionValue	evalMatch(ExpressionValue right)
ExpressionValue	evalMaxFunction()
ExpressionValue	evalMinFunction()
ExpressionValue	evalMultiplication(ExpressionValue right)
ExpressionValue	evalNegation()
ExpressionValue	evalNotLikeTerm(ExpressionValue right)
ExpressionValue	evalOrTerm(ExpressionValue right)
ExpressionValue	evalReplaceFunction(ExpressionValue value, ExpressionValue value2)
ExpressionValue	evalSignChange()
ExpressionValue	evalSubstrFunction(ExpressionValue pos, ExpressionValue len)
ExpressionValue	evalSubtraction(ExpressionValue right)
ExpressionValue	evalSumFunction()
ExpressionValue	evalTrimFunction()
ExpressionValue	evalUpperFunction()
static NullValue	getInstance()
java.lang.Object	getObjectValue()
ExpressionType	getType()
java.lang.String	toString()

Methods inherited from class com.satline.expr.eval.ExpressionValue

create

Methods inherited from class java.lang.Object

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

Method Detail

getInstance

public static NullValue getInstance()

getType

public ExpressionType getType()

Specified by:

getType in class ExpressionValue

getObjectValue

public java.lang.Object getObjectValue()

Specified by:

getObjectValue in class ExpressionValue

evalIsNotNull

public ExpressionValue evalIsNotNull()
                              throws ExpressionException

Overrides:

evalIsNotNull in class ExpressionValue

Throws:

ExpressionException

evalIsNull

public ExpressionValue evalIsNull()
                           throws ExpressionException

Overrides:

evalIsNull in class ExpressionValue

Throws:

ExpressionException

evalAbsFunction

public ExpressionValue evalAbsFunction()
                                throws ExpressionException

Overrides:

evalAbsFunction in class ExpressionValue

Throws:

ExpressionException

evalAddition

public ExpressionValue evalAddition(ExpressionValue right)
                             throws ExpressionException

Overrides:

evalAddition in class ExpressionValue

Throws:

ExpressionException

evalAnd

public ExpressionValue evalAnd(ExpressionValue right)
                        throws ExpressionException

Overrides:

evalAnd in class ExpressionValue

Throws:

ExpressionException

evalAvgFunction

public ExpressionValue evalAvgFunction()
                                throws ExpressionException

Overrides:

evalAvgFunction in class ExpressionValue

Throws:

ExpressionException

evalConcatenation

public ExpressionValue evalConcatenation(ExpressionValue right)
                                  throws ExpressionException

Overrides:

evalConcatenation in class ExpressionValue

Throws:

ExpressionException

evalCountFunction

public ExpressionValue evalCountFunction()
                                  throws ExpressionException

Overrides:

evalCountFunction in class ExpressionValue

Throws:

ExpressionException

evalDivision

public ExpressionValue evalDivision(ExpressionValue right)
                             throws ExpressionException

Overrides:

evalDivision in class ExpressionValue

Throws:

ExpressionException

evalEquality

public ExpressionValue evalEquality(ExpressionValue right)
                             throws ExpressionException

Overrides:

evalEquality in class ExpressionValue

Throws:

ExpressionException

evalGreaterEqual

public ExpressionValue evalGreaterEqual(ExpressionValue right)
                                 throws ExpressionException

Overrides:

evalGreaterEqual in class ExpressionValue

Throws:

ExpressionException

evalGreaterThan

public ExpressionValue evalGreaterThan(ExpressionValue right)
                                throws ExpressionException

Overrides:

evalGreaterThan in class ExpressionValue

Throws:

ExpressionException

evalInequality

public ExpressionValue evalInequality(ExpressionValue right)
                               throws ExpressionException

Overrides:

evalInequality in class ExpressionValue

Throws:

ExpressionException

evalInTerm

public ExpressionValue evalInTerm(ExpressionValue right)
                           throws ExpressionException

Overrides:

evalInTerm in class ExpressionValue

Throws:

ExpressionException

evalLengthFunction

public ExpressionValue evalLengthFunction()
                                   throws ExpressionException

Overrides:

evalLengthFunction in class ExpressionValue

Throws:

ExpressionException

evalLessEqual

public ExpressionValue evalLessEqual(ExpressionValue right)
                              throws ExpressionException

Overrides:

evalLessEqual in class ExpressionValue

Throws:

ExpressionException

evalLessThan

public ExpressionValue evalLessThan(ExpressionValue right)
                             throws ExpressionException

Overrides:

evalLessThan in class ExpressionValue

Throws:

ExpressionException

evalLike

public ExpressionValue evalLike(ExpressionValue right)
                         throws ExpressionException

Overrides:

evalLike in class ExpressionValue

Throws:

ExpressionException

evalLowerFunction

public ExpressionValue evalLowerFunction()
                                  throws ExpressionException

Overrides:

evalLowerFunction in class ExpressionValue

Throws:

ExpressionException

evalMaxFunction

public ExpressionValue evalMaxFunction()
                                throws ExpressionException

Overrides:

evalMaxFunction in class ExpressionValue

Throws:

ExpressionException

evalMinFunction

public ExpressionValue evalMinFunction()
                                throws ExpressionException

Overrides:

evalMinFunction in class ExpressionValue

Throws:

ExpressionException

evalMultiplication

public ExpressionValue evalMultiplication(ExpressionValue right)
                                   throws ExpressionException

Overrides:

evalMultiplication in class ExpressionValue

Throws:

ExpressionException

evalNegation

public ExpressionValue evalNegation()
                             throws ExpressionException

Overrides:

evalNegation in class ExpressionValue

Throws:

ExpressionException

evalNotLikeTerm

public ExpressionValue evalNotLikeTerm(ExpressionValue right)
                                throws ExpressionException

Overrides:

evalNotLikeTerm in class ExpressionValue

Throws:

ExpressionException

evalOrTerm

public ExpressionValue evalOrTerm(ExpressionValue right)
                           throws ExpressionException

Overrides:

evalOrTerm in class ExpressionValue

Throws:

ExpressionException

evalSignChange

public ExpressionValue evalSignChange()
                               throws ExpressionException

Overrides:

evalSignChange in class ExpressionValue

Throws:

ExpressionException

evalSubstrFunction

public ExpressionValue evalSubstrFunction(ExpressionValue pos,
                                          ExpressionValue len)
                                   throws ExpressionException

Overrides:

evalSubstrFunction in class ExpressionValue

Throws:

ExpressionException

evalSubtraction

public ExpressionValue evalSubtraction(ExpressionValue right)
                                throws ExpressionException

Overrides:

evalSubtraction in class ExpressionValue

Throws:

ExpressionException

evalSumFunction

public ExpressionValue evalSumFunction()
                                throws ExpressionException

Overrides:

evalSumFunction in class ExpressionValue

Throws:

ExpressionException

evalTrimFunction

public ExpressionValue evalTrimFunction()
                                 throws ExpressionException

Overrides:

evalTrimFunction in class ExpressionValue

Throws:

ExpressionException

evalUpperFunction

public ExpressionValue evalUpperFunction()
                                  throws ExpressionException

Overrides:

evalUpperFunction in class ExpressionValue

Throws:

ExpressionException

evalMatch

public ExpressionValue evalMatch(ExpressionValue right)
                          throws ExpressionException

Overrides:

evalMatch in class ExpressionValue

Throws:

ExpressionException

evalReplaceFunction

public ExpressionValue evalReplaceFunction(ExpressionValue value,
                                           ExpressionValue value2)
                                    throws ExpressionException

Overrides:

evalReplaceFunction in class ExpressionValue

Throws:

ExpressionException

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object