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java.lang.Objectnet.sf.saxon.value.Value
net.sf.saxon.value.AtomicValue
net.sf.saxon.value.NumericValue
net.sf.saxon.value.DecimalValue
public final class DecimalValue
A decimal value
Constructor Summary | |
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DecimalValue(BigDecimal value)
Constructor supplying a BigDecimal |
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DecimalValue(CharSequence in)
Constructor supplying a String |
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DecimalValue(double in)
Constructor supplying a double |
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DecimalValue(long in)
Constructor supplying a long integer |
Method Summary | |
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NumericValue |
arithmetic(int operator,
NumericValue other)
Evaluate a binary arithmetic operator. |
NumericValue |
ceiling()
Implement the XPath ceiling() function |
int |
compareTo(Object other)
Compare the value to another numeric value |
int |
conversionPreference(Class required)
Get conversion preference for this value to a Java class. |
AtomicValue |
convert(int requiredType)
Convert to target data type |
Object |
convertToJava(Class target)
Convert to Java object (for passing to external functions) |
void |
display(int level,
NamePool pool)
Diagnostic print of expression structure |
boolean |
effectiveBooleanValue(XPathContext context)
Get the effective boolean value of the value |
NumericValue |
floor()
Implement the XPath floor() function |
ItemType |
getItemType()
Determine the data type of the expression |
String |
getStringValue()
Get the value as a String |
BigDecimal |
getValue()
Get the value |
int |
hashCode()
Get the hashCode. |
boolean |
isWholeNumber()
Determine whether the value is a whole number, that is, whether it compares equal to some integer |
NumericValue |
negate()
Negate the value |
NumericValue |
round()
Implement the XPath round() function |
NumericValue |
roundToHalfEven(int scale)
Implement the XPath round-to-half-even() function |
Methods inherited from class net.sf.saxon.value.NumericValue |
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asDouble, asLong, equals, isNaN, promote, toString |
Methods inherited from class net.sf.saxon.value.AtomicValue |
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convert, convert, evaluateAsString, evaluateItem, getCardinality, getComponent, getPrimitiveValue, getTypedValue, iterate |
Methods inherited from class net.sf.saxon.value.Value |
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analyze, asItem, asValue, collapseWhitespace, getDependencies, getSpecialProperties, getSubExpressions, inverse, normalizeWhitespace, promote, simplify, stringToInteger, stringToNumber, trimWhitespace |
Methods inherited from class java.lang.Object |
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clone, finalize, getClass, notify, notifyAll, wait, wait, wait |
Constructor Detail |
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public DecimalValue(BigDecimal value)
value
- the value of the DecimalValuepublic DecimalValue(CharSequence in) throws XPathException
in
- the value of the DecimalValue
XPathException
public DecimalValue(double in) throws XPathException
in
- the value of the DecimalValue
XPathException
public DecimalValue(long in) throws XPathException
in
- the value of the DecimalValue
XPathException
Method Detail |
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public BigDecimal getValue()
public int hashCode()
hashCode
in class NumericValue
NumericValue.hashCode()
public boolean effectiveBooleanValue(XPathContext context)
AtomicValue
effectiveBooleanValue
in interface Expression
effectiveBooleanValue
in class AtomicValue
context
- the evaluation context (not used in this implementation)
public AtomicValue convert(int requiredType) throws XPathException
convert
in class AtomicValue
requiredType
- type code of the required atomic type
XPathException
- if conversion is not allowed for this
required type, or if the particular value cannot be convertedpublic String getStringValue()
public ItemType getItemType()
public NumericValue negate()
negate
in class NumericValue
public NumericValue floor()
floor
in class NumericValue
public NumericValue ceiling()
ceiling
in class NumericValue
public NumericValue round()
round
in class NumericValue
public NumericValue roundToHalfEven(int scale)
roundToHalfEven
in class NumericValue
scale
- the decimal position for rounding: e.g. 2 rounds to a
multiple of 0.01, while -2 rounds to a multiple of 100
public boolean isWholeNumber()
isWholeNumber
in class NumericValue
public NumericValue arithmetic(int operator, NumericValue other) throws XPathException
arithmetic
in class NumericValue
operator
- the binary arithmetic operation to be performed. Uses
the constants defined in the Tokenizer classother
- the other operand
XPathException
- if an arithmetic error occursTokenizer
public int compareTo(Object other)
compareTo
in interface Comparable
compareTo
in class NumericValue
other
- The other numeric value
public int conversionPreference(Class required)
conversionPreference
in class AtomicValue
public Object convertToJava(Class target) throws XPathException
convertToJava
in class AtomicValue
target
- The class required by the external function
XPathException
public void display(int level, NamePool pool)
level
- indentation level for this expression
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