Package org.basex.query.value.item

Class Uln

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.ANum

org.basex.query.value.item.Uln

All Implemented Interfaces:

Iterable<Item>

public final class Uln
extends ANum

Unsigned long (xs:unsignedLong).

Author:

BaseX Team 2005-24, BSD License, Christian Gruen

Field Summary

Fields

Modifier and Type	Field	Description
static BigDecimal	MAXULN	Maximum unsigned long values.

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

NAN_DUMMY

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

type

Constructor Summary

Constructors

Constructor	Description
Uln(BigInteger value)	Constructor.

Method Summary

Modifier and Type	Method	Description
ANum	abs()	Returns an absolute value.
boolean	bool(InputInfo ii)	Returns a boolean representation of the value.
Uln	ceiling()	Returns an ceiling value.
int	compare(Item item, Collation coll, boolean transitive, InputInfo ii)	Compares the current and the specified item.
double	dbl()	Returns a double representation of the value.
BigDecimal	dec(InputInfo ii)	Returns a decimal representation of the value.
boolean	equal(Item item, Collation coll, InputInfo ii)	Compares items for equality.
boolean	equals(Object obj)	This function is e.g. called by: If.optimize(CompileContext), Switch.optimize(CompileContext), Typeswitch.optimize(CompileContext), in order to discard identical expressions.
Uln	floor()	Returns an floor value.
float	flt()	Returns a float representation of the value.
long	itr()	Returns an integer (long) representation of the value.
ANum	round(int prec, FnRound.RoundMode mode)	Returns a rounded value.
byte[]	string()	Returns a string representation of the value.
Object	toJava()	Returns a Java representation of the value.

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

atomicEqual, comparable, dbl, flt, hash, itr, optimizePos, simplifyFor, string, test, toString

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

atomItem, atomValue, cache, ddo, deepEqual, description, input, instanceOf, isItem, item, itemAt, iter, materialize, materialized, refineType, refineType, reverse, sameType, score, seqType, size, stringInput, subsequence, toXml, typeId, write, xdmInfo

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

accept, checkUp, compactify, compile, copy, count, exprSize, get, has, inline, inlineable, isEmpty, iter, iterator, refineType, serialize, serialize, serialize, value

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

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

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

info, 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 Detail

MAXULN

public static final BigDecimal MAXULN

Maximum unsigned long values.

Constructor Detail

Uln

public Uln(BigInteger value)

Constructor.

Parameters:

value - decimal value

Method Detail

string

public byte[] string()

Description copied from class: ANum

Returns a string representation of the value.

Specified by:

string in class ANum

Returns:

string value

bool

public boolean bool(InputInfo ii)

Description copied from class: Item

Returns a boolean representation of the value.

Overrides:

bool in class Item

Parameters:

ii - input info (can be null)

Returns:

boolean value

itr

public long itr()

Description copied from class: ANum

Returns an integer (long) representation of the value.

Specified by:

itr in class ANum

Returns:

long value

flt

public float flt()

Description copied from class: ANum

Returns a float representation of the value.

Specified by:

flt in class ANum

Returns:

float value

dbl

public double dbl()

Description copied from class: ANum

Returns a double representation of the value.

Specified by:

dbl in class ANum

Returns:

double value

dec

public BigDecimal dec(InputInfo ii)

Description copied from class: Item

Returns a decimal representation of the value.

Overrides:

dec in class Item

Parameters:

ii - input info (can be null)

Returns:

decimal value

abs

public ANum abs()

Description copied from class: ANum

Returns an absolute value.

Specified by:

abs in class ANum

Returns:

absolute value

ceiling

public Uln ceiling()

Description copied from class: ANum

Returns an ceiling value.

Specified by:

ceiling in class ANum

Returns:

ceiling value

floor

public Uln floor()

Description copied from class: ANum

Returns an floor value.

Specified by:

floor in class ANum

Returns:

floor value

round

public ANum round(int prec,
                  FnRound.RoundMode mode)

Description copied from class: ANum

Returns a rounded value.

Specified by:

round in class ANum

Parameters:

prec - precision

mode - rounding mode

Returns:

rounded value

equal

public boolean equal(Item item,
                     Collation coll,
                     InputInfo ii)
              throws QueryException

Description copied from class: Item

Compares items for equality. Called by CmpV.OpV.

Specified by:

equal in class Item

Parameters:

item - item to be compared

coll - collation (can be null)

ii - input info (can be null)

Returns:

result of check

Throws:

QueryException - query exception

compare

public int compare(Item item,
                   Collation coll,
                   boolean transitive,
                   InputInfo ii)
            throws QueryException

Description copied from class: Item

Compares the current and the specified item.

Overrides:

compare in class Item

Parameters:

item - item to be compared

coll - collation (can be null)

transitive - transitive comparison

ii - input info (can be null)

Returns:

difference

Throws:

QueryException - query exception

toJava

public Object toJava()

Description copied from class: Value

Returns a Java representation of the value.

Specified by:

toJava in class Value

Returns:

Java object

equals

public 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), 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