org.basex.query.xquery.item
Class Str

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

Direct Known Subclasses:

Atm, NCN, Uri

public class Str
extends Item

String 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

boolean	direct Direct parser creation (only needed for QName check).
static Str	ZERO String data.

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

type

Constructor Summary

Str(byte[] v, boolean d)
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 Str	get(byte[] v) Returns an instance of this class.
static Str	get(java.lang.Object v) Returns an instance of this class.
static Iter	iter(byte[] v) Returns an iterator.
long	itr() Returns an integer (long) representation of the item.
byte[]	str() Returns an atomized string.
java.lang.String	toString()

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

castErr, comp, d, hash, i, iter, iter, java, n, name, node, plan, returned, s, score, score, serialize, size, 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 Str ZERO

String data.

direct

public boolean direct

Direct parser creation (only needed for QName check).

Constructor Detail

Str

public Str(byte[] v,
           boolean d)

Constructor.

Parameters:

v - value

d - direct flag

Method Detail

get

public static Str get(byte[] v)

Returns an instance of this class.

Parameters:

v - value

Returns:

instance

get

public static Str get(java.lang.Object v)

Returns an instance of this class.

Parameters:

v - object (will be converted to token)

Returns:

instance

iter

public static Iter iter(byte[] 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 boolean bool()

Description copied from class: Item

Returns a boolean representation of the item.

Overrides:

bool in class Item

Returns:

boolean value

itr

public long itr()
         throws XQException

Description copied from class: Item

Returns an integer (long) representation of the item.

Overrides:

itr in class Item

Returns:

long value

Throws:

XQException - evaluation exception

flt

public final float flt()
                throws XQException

Description copied from class: Item

Returns a float representation of the item.

Overrides:

flt in class Item

Returns:

float value

Throws:

XQException - evaluation exception

dbl

public final double dbl()
                 throws XQException

Description copied from class: Item

Returns a double representation of the item.

Overrides:

dbl in class Item

Returns:

double value

Throws:

XQException - evaluation exception

dec

public java.math.BigDecimal dec()
                         throws XQException

Description copied from class: Item

Returns a decimal representation of the item.

Overrides:

dec in class Item

Returns:

decimal value

Throws:

XQException - evaluation exception

eq

public 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 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

toString

public java.lang.String toString()

Overrides:

toString in class Item