org.basex.query.xquery.item
Class DNode

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

public final class DNode
extends Nod

Disk-based Node 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

Data	data Data reference.
int	pre Pre value.
Nod	root Root node (constructor).

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

type

Constructor Summary

DNode(Data d, int p)
Constructor.

DNode(Data d, int p, Nod r, Type t)
Constructor.

Method Summary

NodeIter	attr() Returns an attribute axis iterator.
byte[]	base() Returns the database name.
NodeMore	child() Returns a child axis iterator.
DNode	copy() Creates a new copy (clone) of the node.
NodeIter	desc() Returns a descendant axis iterator.
NodeIter	descOrSelf() Returns a descendant-or-self axis iterator.
int	diff(Nod nod) Compares two nodes for their unique order.
DNode	finish() Returns a final node representation.
boolean	is(Nod nod) Compares two nodes for equality.
byte[]	nname() Returns the node name.
Atts	ns() Returns a namespace array.
Nod	parent() Returns the parent node.
void	parent(Nod p) Sets the parent node.
void	plan(Serializer ser) Recursively sends the abstract syntax of this expression to the specified serializer.
QNm	qname() Returns the node name.
QNm	qname(QNm name) Returns a temporary node name.
void	serialize(Serializer ser) Serializes the item.
void	set(int p, int k) Sets the node type.
byte[]	str() Returns an atomized string.
java.lang.String	toString()

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

anc, ancOrSelf, bool, dbl, dec, diff, eq, flt, foll, follSibl, itr, java, par, prec, precSibl, self

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

castErr, comp, d, hash, i, iter, iter, n, name, node, returned, s, score, score, 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

root

public Nod root

Root node (constructor).

data

public Data data

Data reference.

pre

public int pre

Pre value.

Constructor Detail

DNode

public DNode(Data d,
             int p)

Constructor.

Parameters:

d - data reference

p - pre value

DNode

public DNode(Data d,
             int p,
             Nod r,
             Type t)

Constructor.

Parameters:

d - data reference

p - pre value

r - parent reference

t - node type

Method Detail

set

public void set(int p,
                int k)

Sets the node type.

Parameters:

p - pre value

k - node kind

str

public byte[] str()

Description copied from class: Item

Returns an atomized string.

Overrides:

str in class Item

Returns:

string representation

serialize

public void serialize(Serializer ser)
               throws java.io.IOException

Description copied from class: Item

Serializes the item.

Overrides:

serialize in class Item

Parameters:

ser - serializer

Throws:

java.io.IOException - exception

toString

public java.lang.String toString()

Overrides:

toString in class Item

nname

public byte[] nname()

Description copied from class: Nod

Returns the node name.

Overrides:

nname in class Nod

Returns:

name

qname

public QNm qname()

Description copied from class: Nod

Returns the node name.

Overrides:

qname in class Nod

Returns:

name

qname

public QNm qname(QNm name)

Description copied from class: Nod

Returns a temporary node name.

Overrides:

qname in class Nod

Parameters:

name - temporary qname

Returns:

name

ns

public Atts ns()

Description copied from class: Nod

Returns a namespace array.

Overrides:

ns in class Nod

Returns:

namespace array

base

public byte[] base()

Description copied from class: Nod

Returns the database name.

Overrides:

base in class Nod

Returns:

database name

is

public boolean is(Nod nod)

Description copied from class: Nod

Compares two nodes for equality.

Overrides:

is in class Nod

Parameters:

nod - node to be compared

Returns:

result of check

diff

public int diff(Nod nod)

Description copied from class: Nod

Compares two nodes for their unique order.

Overrides:

diff in class Nod

Parameters:

nod - node to be compared

Returns:

result of check

copy

public DNode copy()

Description copied from class: Nod

Creates a new copy (clone) of the node.

Specified by:

copy in class Nod

Returns:

new copy

finish

public DNode finish()

Description copied from class: Nod

Returns a final node representation.

Overrides:

finish in class Nod

Returns:

node

parent

public Nod parent()

Description copied from class: Nod

Returns the parent node.

Overrides:

parent in class Nod

Returns:

parent node

parent

public void parent(Nod p)

Description copied from class: Nod

Sets the parent node.

Overrides:

parent in class Nod

Parameters:

p - parent node

attr

public NodeIter attr()

Description copied from class: Nod

Returns an attribute axis iterator.

Specified by:

attr in class Nod

Returns:

iterator

child

public NodeMore child()

Description copied from class: Nod

Returns a child axis iterator.

Specified by:

child in class Nod

Returns:

iterator

desc

public NodeIter desc()

Description copied from class: Nod

Returns a descendant axis iterator.

Specified by:

desc in class Nod

Returns:

iterator

descOrSelf

public NodeIter descOrSelf()

Description copied from class: Nod

Returns a descendant-or-self axis iterator.

Specified by:

descOrSelf in class Nod

Returns:

iterator

plan

public void plan(Serializer ser)
          throws java.io.IOException

Description copied from class: ExprInfo

Recursively sends the abstract syntax of this expression to the specified serializer.

Overrides:

plan in class Item

Parameters:

ser - serializer

Throws:

java.io.IOException - exception