org.basex.query.item

Class Date

java.lang.Object

org.basex.data.ExprInfo

org.basex.query.expr.Expr

org.basex.query.item.Value

org.basex.query.item.Item

org.basex.query.item.Date

All Implemented Interfaces:

java.lang.Iterable<Item>

Direct Known Subclasses:

Dat, DSim, Dtm, Tim

public abstract class Date
extends Item

Date container.

Author:

BaseX Team 2005-12, BSD License, Christian Gruen

Nested Class Summary

Nested classes/interfaces inherited from class org.basex.query.expr.Expr

Expr.Use

Field Summary

Fields

Modifier and Type	Field and Description
static javax.xml.datatype.DatatypeFactory	df Data factory.
javax.xml.datatype.XMLGregorianCalendar	xc Calendar instance.

Fields inherited from class org.basex.query.item.Item

UNDEF

Fields inherited from class org.basex.query.item.Value

type

Method Summary

Methods

Modifier and Type	Method and Description
static long	days(int y, int m, int d) Returns the number of days since AD for the specified years, months and days.
int	diff(InputInfo ii, Item it) Returns the difference between the current and the specified item.
boolean	eq(InputInfo ii, Item it) Checks the items for equality.
byte[]	string(InputInfo ii) Returns a string representation of the value.
javax.xml.datatype.XMLGregorianCalendar	toJava() Returns a Java representation of the value.
java.lang.String	toString()

Methods inherited from class org.basex.query.item.Item

bool, comparable, dbl, dec, ebv, equiv, flt, hash, homogenous, input, isItem, item, itemAt, iter, iterable, itr, plan, score, score, serialize, size, test, type, writeTo, xdmInfo

Methods inherited from class org.basex.query.item.Value

cache, comp, count, data, description, info, isValue, iter, iterator, removable, remove, uses, value

Methods inherited from class org.basex.query.expr.Expr

addText, compEbv, hasFreeVars, indexAccessible, indexEquivalent, isEmpty, isFunction, isVacuous, markTailCalls, sameAs

Methods inherited from class java.lang.Object

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

Field Detail

df

public static javax.xml.datatype.DatatypeFactory df

Data factory.

xc

public javax.xml.datatype.XMLGregorianCalendar xc

Calendar instance.

Method Detail

string

public final byte[] string(InputInfo ii)

Description copied from class: Item

Returns a string representation of the value.

Specified by:

string in class Item

Parameters:

ii - input info, use null if none is available

Returns:

string value

eq

public final boolean eq(InputInfo ii,
         Item it)
                 throws QueryException

Description copied from class: Item

Checks the items for equality.

Specified by:

eq in class Item

Parameters:

ii - input info

it - item to be compared

Returns:

result of check

Throws:

QueryException - query exception

diff

public int diff(InputInfo ii,
       Item it)
         throws QueryException

Description copied from class: Item

Returns the difference between the current and the specified item.

Overrides:

diff in class Item

Parameters:

ii - input info

it - item to be compared

Returns:

difference

Throws:

QueryException - query exception

toJava

public final javax.xml.datatype.XMLGregorianCalendar toJava()

Description copied from class: Value

Returns a Java representation of the value.

Specified by:

toJava in class Value

Returns:

Java object

days

public static long days(int y,
        int m,
        int d)

Returns the number of days since AD for the specified years, months and days.

Parameters:

y - year

m - month

d - days

Returns:

days

toString

public final java.lang.String toString()

Specified by:

toString in class ExprInfo