org.basex.query.xquery.item
Class Itr

java.lang.Object
  org.basex.query.xquery.expr.Expr
      org.basex.query.xquery.item.Item
          org.basex.query.xquery.item.Num
              org.basex.query.xquery.item.Itr

Direct Known Subclasses:

Byt, Int, Lng, NIn, NNI, NPI, PIn, Shr, UBy, UIn, ULn, USh

public class Itr
extends Num

Integer item.

Author:

Workgroup DBIS, University of Konstanz 2005-07, ISC License, Christian Gruen

Field Summary

static Itr

ZERO Zero value.

Fields inherited from class org.basex.query.xquery.expr.Expr

type

Constructor Summary

Itr(long v, Type t)
Constructor.

Method Summary

boolean	bool() Returns a boolean representation of the item.
double	dbl() Returns a double representation of the item.
int	diff(Item it) Returns the difference between the current and the specified item.
boolean	eq(Item it) Checks the items for equality.
float	flt() Returns a float representation of the item.
static Itr	get(long v) Returns an instance of this class.
long	itr() Returns a numeric (long) representation of the item.
byte[]	str() Returns an atomized string.

Methods inherited from class org.basex.query.xquery.item.Num

n

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

castErr, comp, eval, i, info, iter, serialize, serialize, size, toString

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

cls, d, e, node, s, u

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

ZERO

public static final Itr ZERO

Zero value.

Constructor Detail

Itr

public Itr(long v,
           Type t)

Constructor.

Parameters:

v - value

t - data type

Method Detail

bool

public final boolean bool()

Description copied from class: Item

Returns a boolean representation of the item.

Overrides:

bool in class Item

Returns:

boolean value

dbl

public final double dbl()

Description copied from class: Item

Returns a double representation of the item.

Overrides:

dbl in class Item

Returns:

double value

diff

public final int diff(Item it)
               throws XQException

Description copied from class: Item

Returns the difference between the current and the specified item.

Overrides:

diff in class Item

Parameters:

it - item to be compared.

Returns:

difference

Throws:

XQException - evaluation exception

eq

public final boolean eq(Item it)
                 throws XQException

Description copied from class: Item

Checks the items for equality.

Specified by:

eq in class Item

Parameters:

it - item to be compared.

Returns:

result of check

Throws:

XQException - evaluation exception

flt

public final float flt()

Description copied from class: Item

Returns a float representation of the item.

Overrides:

flt in class Item

Returns:

float value

get

public static Itr get(long v)

Returns an instance of this class.

Parameters:

v - value

Returns:

instance

itr

public final long itr()

Description copied from class: Item

Returns a numeric (long) representation of the item.

Overrides:

itr in class Item

Returns:

long value

str

public final byte[] str()

Description copied from class: Expr

Returns an atomized string.

Overrides:

str in class Expr

Returns:

string representation