org.basex.query.xquery.item
Class Dec

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.Dec

public class Dec
extends Num

Decimal item.

Author:

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

Field Summary

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

type

Constructor Summary

Dec(byte[] t)
Constructor.

Dec(double d)
Constructor.

Dec(double v, long l)
Constructor.

Dec(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.
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

Constructor Detail

Dec

public Dec(byte[] t)

Constructor.

Parameters:

t - string representation

Dec

public Dec(double d)
    throws XQException

Constructor.

Parameters:

d - double value

Throws:

XQException - evaluation exception

Dec

public Dec(double v,
           long l)
    throws XQException

Constructor.

Parameters:

v - value

l - long representation

Throws:

XQException - evaluation exception

Dec

public Dec(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

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