org.basex.query.up.primitives
Class RenamePrimitive

java.lang.Object
  org.basex.query.up.primitives.UpdatePrimitive
      org.basex.query.up.primitives.NewValue
          org.basex.query.up.primitives.RenamePrimitive

public final class RenamePrimitive
extends NewValue

Rename primitive.

Author:

Workgroup DBIS, University of Konstanz 2005-10, ISC License, Lukas Kircher

Field Summary

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

node

Constructor Summary

RenamePrimitive(Nod n, QNm nm)
Constructor.

Method Summary

void	apply(int add) Applies the update operation represented by this primitive to the database.
void	merge(UpdatePrimitive p) Merges if possible two update primitives of the same type if they have the same target node.
PrimitiveType	type() Returns the type of the update primitive.
void	update(NamePool pool) Updates the name pool, which is used for finding duplicate attributes and namespace conflicts.

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

buildDB, mergeTexts, prepare

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

RenamePrimitive

public RenamePrimitive(Nod n,
                       QNm nm)

Constructor.

Parameters:

n - target node

nm - new name

Method Detail

apply

public void apply(int add)

Description copied from class: UpdatePrimitive

Applies the update operation represented by this primitive to the database. If an 'insert before' primitive is applied to a target node t, the pre value of t changes. Thus the number of inserted nodes is added to the pre value of t for all following update operations.

Specified by:

apply in class UpdatePrimitive

Parameters:

add - size to add

merge

public void merge(UpdatePrimitive p)
           throws QueryException

Description copied from class: UpdatePrimitive

Merges if possible two update primitives of the same type if they have the same target node.

Overrides:

merge in class UpdatePrimitive

Parameters:

p - primitive to be merged with

Throws:

QueryException - query exception

update

public void update(NamePool pool)

Description copied from class: UpdatePrimitive

Updates the name pool, which is used for finding duplicate attributes and namespace conflicts.

Overrides:

update in class UpdatePrimitive

Parameters:

pool - name pool

type

public PrimitiveType type()

Description copied from class: UpdatePrimitive

Returns the type of the update primitive.

Specified by:

type in class UpdatePrimitive

Returns:

type