com.hp.hpl.jena.datatypes.xsd

Class AbstractDateTime

java.lang.Object

com.hp.hpl.jena.datatypes.xsd.AbstractDateTime

All Implemented Interfaces:

Comparable<AbstractDateTime>

Direct Known Subclasses:

XSDDateTime, XSDDuration

public class AbstractDateTime
extends Object
implements Comparable<AbstractDateTime>

Base class for representation of XSD duration, time, date/time and related datatype instances. We are using the Xerces internal packages for the all heavy lifting which represent date/times using an int array. These wrapper classes just provide more convenient access to the date values.

This class includes code derived from Xerces 2.6.0 Copyright (c) 1999-2002 The Apache Software Foundation. All rights reserved.

Field Summary

Fields

Modifier and Type	Field and Description
static short	EQUAL constant to indicate an equals relationship from compare()
static short	GREATER_THAN constant to indicate a greater than relationship from compare()
static short	INDETERMINATE constant to indicate an indeterminate relationship from compare()
static short	LESS_THAN constant to indicate a less than relationship from compare()

Constructor Summary

Constructors

Constructor and Description
AbstractDateTime(Object value) Constructor

Method Summary

Methods

Modifier and Type	Method and Description
int	compare(AbstractDateTime other) Comparison function.
int	compareTo(AbstractDateTime o) Normal java comparison function.
boolean	equals(Object obj) Equality function
int	hashCode() hash function
static void	normalize(int[] date, int[] timeZone) If timezone present - normalize dateTime [E Adding durations to dateTimes] Public to allow reuse with type objects.

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, toString, wait, wait, wait

Field Detail

LESS_THAN

public static final short LESS_THAN

constant to indicate a less than relationship from compare()

See Also:

Constant Field Values

EQUAL

public static final short EQUAL

constant to indicate an equals relationship from compare()

See Also:

Constant Field Values

GREATER_THAN

public static final short GREATER_THAN

constant to indicate a greater than relationship from compare()

See Also:

Constant Field Values

INDETERMINATE

public static final short INDETERMINATE

constant to indicate an indeterminate relationship from compare()

See Also:

Constant Field Values

Constructor Detail

AbstractDateTime

public AbstractDateTime(Object value)

Constructor

Parameters:

value - the date/time value returned by the parsing

Method Detail

compare

public int compare(AbstractDateTime other)

Comparison function. Not quite the same as normal java compare because XSD date/times are not always comparable.

Parameters:

other - the time/date to compare to

Returns:

an order flag - one of LESS_THAN, EQUAL, GREATER_THEN, INDETERMINATE

compareTo

public int compareTo(AbstractDateTime o)

Normal java comparison function. Treats INDETERMINATE as the same as equals. This is not strictly correct but seems like an appropriate way to handle partially ordered objects.

Specified by:

compareTo in interface Comparable<AbstractDateTime>

equals

public boolean equals(Object obj)

Equality function

Overrides:

equals in class Object

hashCode

public int hashCode()

hash function

Overrides:

hashCode in class Object

normalize

public static void normalize(int[] date,
             int[] timeZone)

If timezone present - normalize dateTime [E Adding durations to dateTimes] Public to allow reuse with type objects.

Parameters:

date - CCYY-MM-DDThh:mm:ss+03