Package org.basex.query.up.primitives

Class Update

java.lang.Object

org.basex.query.up.primitives.Update

Direct Known Subclasses:

DataUpdate, NameUpdate, UserUpdate

public abstract class Update
extends Object

Abstract class for an update operations.

Author:

BaseX Team 2005-21, BSD License, Lukas Kircher

Field Summary

Fields

Modifier and Type	Field	Description
protected final InputInfo	info	Input info.
final UpdateType	type	Type of update primitive.

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	Update(UpdateType type, InputInfo info)	Constructor.

Method Summary

Modifier and Type	Method	Description
final InputInfo	info()	Input info.
abstract void	merge(Update update)	Merges two update operations pointing to the same target.
abstract int	size()	Returns the number of update operations.

Methods inherited from class java.lang.Object

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

Field Details

type

public final UpdateType type

Type of update primitive.

info

protected final InputInfo info

Input info.

Constructor Details

Update

protected Update(UpdateType type,
 InputInfo info)

Constructor.

Parameters:

type - update primitive

info - input info

Method Details

merge

public abstract void merge(Update update)
                    throws QueryException

Merges two update operations pointing to the same target.

Parameters:

update - operation to merge with

Throws:

QueryException - exception

size

public abstract int size()

Returns the number of update operations.

Returns:

number of updates

info

public final InputInfo info()

Input info.

Returns:

input info