Package org.basex.query.value.item

Class ADate

java.lang.Object

org.basex.query.expr.ExprInfo

org.basex.query.expr.Expr

org.basex.query.value.Value

org.basex.query.value.item.Item

org.basex.query.value.item.ADateDur

org.basex.query.value.item.ADate

All Implemented Interfaces:

Iterable<Item>

Direct Known Subclasses:

Dat, Dtm, GDt, Tim

public abstract class ADate
extends ADateDur

Abstract super class for date items.

Author:

BaseX Team 2005-21, BSD License, Christian Gruen

Field Summary

Fields

Modifier and Type	Field	Description
static final Pattern	DATE	Date pattern.
static final Pattern	TIME	Time pattern.

Fields inherited from class org.basex.query.value.item.ADateDur

sec

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

UNDEF

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

type

Method Summary

Modifier and Type	Method	Description
final long	day()	Returns the days.
int	diff(Item item, Collation coll, InputInfo ii)	Returns the difference between the current and the specified item.
static int	dpm(long yea, int mon)	Returns days per month, considering leap years.
final boolean	eq(Item item, Collation coll, StaticContext sc, InputInfo ii)	Compares the items for equality.
final boolean	equals(Object obj)	This function is e.g.
final int	hash(InputInfo ii)	Returns a hash code for this value.
final boolean	hasTz()	Returns if the timezone is defined.
final long	hour()	Returns the hours (0-23).
final long	minute()	Returns the minutes (0-59).
final long	mon()	Returns the months.
final void	plan(QueryString qs)	Creates a query string.
final boolean	sameKey(Item item, InputInfo ii)	Compares the items for equality.
final BigDecimal	sec()	Returns the seconds (0-59), including the fractional part.
final BigDecimal	seconds()	Returns the date in seconds.
byte[]	string(InputInfo ii)	Returns a string representation of the value.
abstract void	timeZone(DTDur zone, boolean spec, InputInfo ii)	Adjusts the timezone.
final XMLGregorianCalendar	toJava()	Returns a Java representation of the value.
final int	tz()	Returns the timezone in minutes.
final long	yea()	Returns the years.

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

atomItem, atomSize, atomValue, bool, cache, comparable, dbl, ddo, dec, description, ebv, equiv, flt, input, instanceOf, item, itemAt, iter, itr, materialize, persistent, plan, refineType, reverse, score, seqType, size, subsequence, test, typeId, xdmInfo

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

accept, checkUp, compile, copy, count, exprSize, has, inline, inlineable, isEmpty, isItem, iter, iterator, materialize, serialize, serialize, serialize, value

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

arg, args, atomIter, data, data, funcType, hasFreeVars, indexAccessible, isSimple, markTailCalls, mergeEbv, optimize, simplifyFor, typeCheck, uses, vacuous, visitAll

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

toErrorString, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Field Details

DATE

public static final Pattern DATE

Date pattern.

TIME

public static final Pattern TIME

Time pattern.

Method Details

timeZone

public abstract void timeZone(DTDur zone,
 boolean spec,
 InputInfo ii)
                       throws QueryException

Adjusts the timezone.

Parameters:

zone - timezone (may be null)

spec - indicates if zone has been specified

ii - input info

Throws:

QueryException - query exception

yea

public final long yea()

Description copied from class: ADateDur

Returns the years.

Specified by:

yea in class ADateDur

Returns:

year

mon

public final long mon()

Description copied from class: ADateDur

Returns the months.

Specified by:

mon in class ADateDur

Returns:

year

day

public final long day()

Description copied from class: ADateDur

Returns the days.

Specified by:

day in class ADateDur

Returns:

day

hour

public final long hour()

Description copied from class: ADateDur

Returns the hours (0-23).

Specified by:

hour in class ADateDur

Returns:

day

minute

public final long minute()

Description copied from class: ADateDur

Returns the minutes (0-59).

Specified by:

minute in class ADateDur

Returns:

day

sec

public final BigDecimal sec()

Description copied from class: ADateDur

Returns the seconds (0-59), including the fractional part.

Specified by:

sec in class ADateDur

Returns:

day

tz

public final int tz()

Returns the timezone in minutes.

Returns:

time zone

hasTz

public final boolean hasTz()

Returns if the timezone is defined.

Returns:

time zone

string

public 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 (can be null)

Returns:

string value

eq

public final boolean eq(Item item,
 Collation coll,
 StaticContext sc,
 InputInfo ii)
                 throws QueryException

Description copied from class: Item

Compares the items for equality.

Specified by:

eq in class Item

Parameters:

item - item to be compared

coll - collation (can be null)

sc - static context; required for comparing items of type xs:QName (can be null)

ii - input info (can be null)

Returns:

result of check

Throws:

QueryException - query exception

sameKey

public final boolean sameKey(Item item,
 InputInfo ii)
                      throws QueryException

Description copied from class: Item

Compares the items for equality.

Overrides:

sameKey in class Item

Parameters:

item - item to be compared

ii - input info (can be null)

Returns:

result of check

Throws:

QueryException - query exception

hash

public final int hash(InputInfo ii)

Description copied from class: Value

Returns a hash code for this value.

Overrides:

hash in class Item

Parameters:

ii - input info

Returns:

hash code

diff

public int diff(Item item,
 Collation coll,
 InputInfo ii)
         throws QueryException

Description copied from class: Item

Returns the difference between the current and the specified item. This function is overwritten by the corresponding implementations.

Overrides:

diff in class Item

Parameters:

item - item to be compared

coll - collation (can be null)

ii - input info (can be null)

Returns:

difference

Throws:

QueryException - query exception

toJava

public final XMLGregorianCalendar toJava()

Description copied from class: Value

Returns a Java representation of the value.

Specified by:

toJava in class Value

Returns:

Java object

seconds

public final BigDecimal seconds()

Returns the date in seconds.

Returns:

seconds

dpm

public static int dpm(long yea,
 int mon)

Returns days per month, considering leap years.

Parameters:

yea - year

mon - month

Returns:

days

equals

public final boolean equals(Object obj)

Description copied from class: Expr

This function is e.g. called by:

• If.optimize(CompileContext), Switch.optimize(CompileContext), Typeswitch.optimize(CompileContext), in order to discard identical expressions.
• CmpR.mergeEbv(Expr, boolean, CompileContext) or CmpSR.mergeEbv(Expr, boolean, CompileContext), in order to merge expressions with identical input.
• CmpG.optimize(CompileContext) or CmpV.optimize(CompileContext), in order to pre-evaluate equality tests.
• CmpG.optimize(CompileContext) or Pos.get(Expr, CmpV.OpV, InputInfo, CompileContext), in order to compare the start and end value.
• PathCache, in order to find identical root values at runtime.

Specified by:

equals in class Expr

plan

public final void plan(QueryString qs)

Description copied from class: ExprInfo

Creates a query string.

Specified by:

plan in class ExprInfo

Parameters:

qs - query string builder