Package org.basex.query.up.primitives.name

Class NameUpdate

java.lang.Object

org.basex.query.up.primitives.Update

org.basex.query.up.primitives.name.NameUpdate

All Implemented Interfaces:

Comparable<NameUpdate>

Direct Known Subclasses:

BackupAlter, BackupCreate, BackupDrop, DBAlter, DBCopy, DBCreate, DBDrop, DBRestore

public abstract class NameUpdate
extends Update
implements Comparable<NameUpdate>

Update operation that references databases by their name.

Author:

BaseX Team 2005-21, BSD License, Lukas Kircher

Field Summary

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

info, type

Method Summary

Modifier and Type	Method	Description
abstract void	apply()	Applies this operation.
final int	compareTo(NameUpdate o)
void	databases(StringList db)	Adds all databases to be updated to the specified list.
void	merge(Update update)	Merges two update operations pointing to the same target.
String	name()	Returns the name of the database.
protected abstract String	operation()	Returns an info string.
abstract void	prepare()	Prepares this operation.
final int	size()	Returns the number of update operations.

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, toString, wait, wait, wait

Method Details

prepare

public abstract void prepare()
                      throws QueryException

Prepares this operation.

Throws:

QueryException - exception

apply

public abstract void apply()
                    throws QueryException

Applies this operation.

Throws:

QueryException - exception

operation

protected abstract String operation()

Returns an info string.

Returns:

info string

merge

public void merge(Update update)
           throws QueryException

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

Throws:

QueryException - exception

databases

public void databases(StringList db)

Adds all databases to be updated to the specified list.

Parameters:

db - databases

name

public String name()

Returns the name of the database.

Returns:

name

size

public final int size()

Description copied from class: Update

Returns the number of update operations.

Specified by:

size in class Update

Returns:

number of updates

compareTo

public final int compareTo(NameUpdate o)

Specified by:

compareTo in interface Comparable<NameUpdate>