org.basex.query.item
Class Str

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

Direct Known Subclasses:

Atm, NCN, Uri

public class Str
extends Item

String item.

Author:

Workgroup DBIS, University of Konstanz 2005-10, ISC License, Christian Gruen

Nested Class Summary

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

Expr.Use

Field Summary

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

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

score, 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.
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(Object v) Returns an instance of this class.
long	itr() Returns an integer (long) representation of the item.
byte[]	str() Returns an atomized string.
String	toString()

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

atomic, comp, d, duplicates, ebv, hashCode, i, iter, iter, java, n, name, node, plan, removable, returned, s, score, score, serialize, size, test, u, uses

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

addText, checkCtx, checkDbl, checkItr, e, indexAccessible, indexEquivalent, remove, sameAs, v

Methods inherited from class org.basex.query.ExprInfo

color, info

Methods inherited from class java.lang.Object

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

Field Detail

ZERO

public static final Str ZERO

String data.

direct

public boolean direct

Direct parser creation (needed for QName types).

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(Object v)

Returns an instance of this class.

Parameters:

v - object (will be converted to token)

Returns:

instance

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()
               throws QueryException

Description copied from class: Item

Returns an integer (long) representation of the item.

Overrides:

itr in class Item

Returns:

long value

Throws:

QueryException - query exception

flt

public final float flt()
                throws QueryException

Description copied from class: Item

Returns a float representation of the item.

Overrides:

flt in class Item

Returns:

float value

Throws:

QueryException - query exception

dbl

public final double dbl()
                 throws QueryException

Description copied from class: Item

Returns a double representation of the item.

Overrides:

dbl in class Item

Returns:

double value

Throws:

QueryException - query exception

dec

public final BigDecimal dec()
                     throws QueryException

Description copied from class: Item

Returns a decimal representation of the item.

Overrides:

dec in class Item

Returns:

decimal value

Throws:

QueryException - query exception

eq

public boolean eq(Item it)
           throws QueryException

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:

QueryException - query exception

diff

public int diff(Item it)
         throws QueryException

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:

QueryException - query exception

toString

public final String toString()

Overrides:

toString in class Item