Package org.basex.query.up.primitives.node

Class DeleteNode

java.lang.Object

org.basex.query.up.primitives.Update

org.basex.query.up.primitives.DataUpdate

org.basex.query.up.primitives.node.NodeUpdate

org.basex.query.up.primitives.node.DeleteNode

public final class DeleteNode
extends NodeUpdate

Delete primitive.

Author:

BaseX Team 2005-24, BSD License, Lukas Kircher

Field Summary

Fields

Modifier and Type	Field	Description
boolean	rec	States if the deletion of the target node T is part of a replaceElementContent call on the parent of T, see ReplaceValue.

Fields inherited from class org.basex.query.up.primitives.node.NodeUpdate

pre

Fields inherited from class org.basex.query.up.primitives.DataUpdate

data

Fields inherited from class org.basex.query.up.primitives.Update

info, type

Constructor Summary

Constructors

Constructor	Description
DeleteNode(int pre, Data data, InputInfo info)	Constructor.

Method Summary

Modifier and Type	Method	Description
void	addAtomics(AtomicUpdateCache auc)	Adds the atomic update operations for this update primitive to the given list.
void	merge(Update update)	Merges two update operations pointing to the same target.
void	prepare(MemData memData, QueryContext qc)	Prepares this update primitive before execution.
int	size()	Returns the number of update operations.
String	toString()
void	update(NamePool pool)	Updates the name pool, which is used to find duplicate attributes and namespace conflicts.

Methods inherited from class org.basex.query.up.primitives.node.NodeUpdate

node, substitute

Methods inherited from class org.basex.query.up.primitives.DataUpdate

data

Methods inherited from class org.basex.query.up.primitives.Update

info

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

rec

public final boolean rec

States if the deletion of the target node T is part of a replaceElementContent call on the parent of T, see ReplaceValue.

Constructor Detail

DeleteNode

public DeleteNode(int pre,
                  Data data,
                  InputInfo info)

Constructor.

Parameters:

pre - target node PRE value

data - target data reference

info - input info (can be null)

Method Detail

prepare

public void prepare(MemData memData,
                    QueryContext qc)

Description copied from class: NodeUpdate

Prepares this update primitive before execution. This includes e.g. the preparation of insertion sequences.

Specified by:

prepare in class NodeUpdate

Parameters:

memData - temporary data instance

qc - query context

merge

public void merge(Update update)

Description copied from class: Update

Merges two update operations pointing to the same target.

Specified by:

merge in class Update

Parameters:

update - operation to merge with

update

public void update(NamePool pool)

Description copied from class: NodeUpdate

Updates the name pool, which is used to find duplicate attributes and namespace conflicts.

Specified by:

update in class NodeUpdate

Parameters:

pool - name pool

toString

public String toString()

Overrides:

toString in class Object

size

public int size()

Description copied from class: Update

Returns the number of update operations.

Specified by:

size in class Update

Returns:

number of updates

addAtomics

public void addAtomics(AtomicUpdateCache auc)

Description copied from class: NodeUpdate

Adds the atomic update operations for this update primitive to the given list.

Specified by:

addAtomics in class NodeUpdate

Parameters:

auc - list of atomic updates