com.icl.saxon.expr
Class NumericValue

java.lang.Object
  |
  +--com.icl.saxon.expr.Expression
        |
        +--com.icl.saxon.expr.Value
              |
              +--com.icl.saxon.expr.NumericValue

public final class NumericValue
extends Value

A numeric (floating point) value


Fields inherited from class com.icl.saxon.expr.Value
ANY, BOOLEAN, NODESET, NUMBER, OBJECT, STRING
 
Fields inherited from class com.icl.saxon.expr.Expression
staticContext
 
Constructor Summary
NumericValue(double value)
          Constructor supplying a double
NumericValue(java.lang.String s)
          Constructor supplying a String
 
Method Summary
 boolean asBoolean()
          Convert the value to a boolean
 double asNumber()
          Get the value as a number
 java.lang.String asString()
          Get the value as a String
 java.lang.String asStringOLD()
          Get the value as a String
 int getDataType()
          Determine the data type of the exprssion, if possible
 java.lang.String toString()
          Return a string representation for diagnostics
 
Methods inherited from class com.icl.saxon.expr.Value
compare, equals, evaluate, getDependencies, inverse, notEquals, numericCompare, reduce, simplify, stringToNumber
 
Methods inherited from class com.icl.saxon.expr.Expression
containsReferences, enumerate, evaluateAsBoolean, evaluateAsNodeSet, evaluateAsNumber, evaluateAsString, getStaticContext, make, outputStringValue, setStaticContext, usesCurrent
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Constructor Detail

NumericValue

public NumericValue(double value)
Constructor supplying a double

NumericValue

public NumericValue(java.lang.String s)
Constructor supplying a String
Method Detail

asStringOLD

public java.lang.String asStringOLD()
Get the value as a String
Returns:
a String representation of the value

asString

public java.lang.String asString()
Get the value as a String
Overrides:
asString in class Value
Returns:
a String representation of the value

asNumber

public double asNumber()
Get the value as a number
Overrides:
asNumber in class Value
Returns:
the numeric value

asBoolean

public boolean asBoolean()
Convert the value to a boolean
Overrides:
asBoolean in class Value
Returns:
false if zero, true otherwise

getDataType

public int getDataType()
Determine the data type of the exprssion, if possible
Overrides:
getDataType in class Expression
Returns:
one of the values Value.STRING, Value.BOOLEAN, Value.NUMBER, Value.NODESET, Value.FRAGMENT, or Value.ANY (meaning not known in advance)

toString

public java.lang.String toString()
Return a string representation for diagnostics
Overrides:
toString in class java.lang.Object