org.basex.query.xquery.item
Class Itr

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

public class Itr
extends Num

Integer item.

Author:

Workgroup DBIS, University of Konstanz 2005-08, ISC License, Christian Gruen

Nested Class Summary

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

Expr.Return, Expr.Using

Field Summary

static Itr

ZERO Zero value.

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

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.
java.math.BigDecimal	dec() Returns a decimal 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.
int	hash() Returns a hash code.
static Iter	iter(long v) Returns an iterator.
long	itr() Returns an integer (long) representation of the item.
java.lang.Object	java() Returns a Java object.
byte[]	str() Returns an atomized string.

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

castErr, comp, d, i, iter, iter, n, name, node, plan, returned, s, score, score, serialize, size, toString, u, uses

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

e

Methods inherited from class org.basex.query.ExprInfo

color, info

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

get

public static Itr get(long v)

Returns an instance of this class.

Parameters:

v - value

Returns:

instance

iter

public static Iter iter(long v)

Returns an iterator.

Parameters:

v - value

Returns:

item

str

public final byte[] str()

Description copied from class: Item

Returns an atomized string.

Overrides:

str in class Item

Returns:

string representation

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

itr

public final long itr()

Description copied from class: Item

Returns an integer (long) representation of the item.

Overrides:

itr in class Item

Returns:

long value

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

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

dec

public java.math.BigDecimal dec()

Description copied from class: Item

Returns a decimal representation of the item.

Overrides:

dec in class Item

Returns:

decimal value

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

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

hash

public int hash()

Description copied from class: Item

Returns a hash code.

Overrides:

hash in class Item

Returns:

hash code

java

public java.lang.Object java()

Description copied from class: Item

Returns a Java object.

Overrides:

java in class Item

Returns:

string representation