net.sf.saxon.value
Class SecondsDurationValue

java.lang.Object
  net.sf.saxon.value.Value
      net.sf.saxon.value.AtomicValue
          net.sf.saxon.value.DurationValue
              net.sf.saxon.value.SecondsDurationValue

All Implemented Interfaces:

Serializable, Comparable, Expression, Item

public final class SecondsDurationValue
extends DurationValue

A value of type xsd:dayTimeDuration

See Also:

Serialized Form

Field Summary

Fields inherited from class net.sf.saxon.value.DurationValue

days, hours, milliseconds, minutes, months, negative, seconds, years

Constructor Summary

SecondsDurationValue(CharSequence s)
Constructor: create a duration value from a supplied string, in ISO 8601 format [+|-]PnDTnHnMnS

Method Summary

DurationValue	add(DurationValue other) Add two dayTime-durations
int	conversionPreference(Class required) Get conversion preference for this value to a Java class.
Object	convertToJava(Class target) Convert to Java object (for passing to external functions)
void	display(int level, NamePool pool) Diagnostic print of expression structure
static SecondsDurationValue	fromSeconds(double seconds) Construct a duration value as a number of seconds.
ItemType	getItemType() Determine the data type of the exprssion
double	getLengthInSeconds() Get length of duration in seconds, assuming an average length of month
String	getStringValue() Convert to string
DurationValue	multiply(double n) Multiply duration by a number
void	normalize() Normalize the value, for example 90M becomes 1H30M
DurationValue	subtract(DurationValue other) Subtract two dayTime-durations

Methods inherited from class net.sf.saxon.value.DurationValue

badDuration, compareTo, convert, equals, getComponent, hashCode

Methods inherited from class net.sf.saxon.value.AtomicValue

convert, convert, effectiveBooleanValue, evaluateAsString, evaluateItem, getCardinality, getPrimitiveValue, getTypedValue, iterate

Methods inherited from class net.sf.saxon.value.Value

analyze, asItem, asValue, collapseWhitespace, getDependencies, getSpecialProperties, getSubExpressions, inverse, normalizeWhitespace, promote, simplify, stringToInteger, stringToNumber, trimWhitespace

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

SecondsDurationValue

public SecondsDurationValue(CharSequence s)
                     throws XPathException

Constructor: create a duration value from a supplied string, in ISO 8601 format [+|-]PnDTnHnMnS

Throws:

XPathException

Method Detail

getStringValue

public String getStringValue()

Convert to string

Specified by:

getStringValue in interface Item

Overrides:

getStringValue in class DurationValue

Returns:

ISO 8601 representation.

normalize

public void normalize()
               throws XPathException.Dynamic

Normalize the value, for example 90M becomes 1H30M

Throws:

XPathException.Dynamic

getLengthInSeconds

public double getLengthInSeconds()

Get length of duration in seconds, assuming an average length of month

Overrides:

getLengthInSeconds in class DurationValue

fromSeconds

public static SecondsDurationValue fromSeconds(double seconds)
                                        throws XPathException

Construct a duration value as a number of seconds.

Throws:

XPathException

multiply

public DurationValue multiply(double n)
                       throws XPathException

Multiply duration by a number

Overrides:

multiply in class DurationValue

Throws:

XPathException

add

public DurationValue add(DurationValue other)
                  throws XPathException

Add two dayTime-durations

Overrides:

add in class DurationValue

Throws:

XPathException

subtract

public DurationValue subtract(DurationValue other)
                       throws XPathException

Subtract two dayTime-durations

Overrides:

subtract in class DurationValue

Throws:

XPathException

getItemType

public ItemType getItemType()

Determine the data type of the exprssion

Specified by:

getItemType in interface Expression

Overrides:

getItemType in class DurationValue

Returns:

Type.DAY_TIME_DURATION,

conversionPreference

public int conversionPreference(Class required)

Get conversion preference for this value to a Java class. A low result indicates higher preference.

Overrides:

conversionPreference in class DurationValue

convertToJava

public Object convertToJava(Class target)
                     throws XPathException

Convert to Java object (for passing to external functions)

Overrides:

convertToJava in class DurationValue

Parameters:

target - The class required by the external function

Returns:

an object of the target class

Throws:

XPathException

display

public void display(int level,
                    NamePool pool)

Diagnostic print of expression structure

Specified by:

display in interface Expression

Overrides:

display in class DurationValue

Parameters:

level - indentation level for this expression