Package org.basex.query.up.primitives.db

Class DBOptimize

java.lang.Object

org.basex.query.up.primitives.Update

org.basex.query.up.primitives.DataUpdate

org.basex.query.up.primitives.db.DBUpdate

org.basex.query.up.primitives.db.DBOptimize

All Implemented Interfaces:

Comparable<DBUpdate>

public final class DBOptimize
extends DBUpdate

Update primitive for the optimize function.

Author:

BaseX Team 2005-21, BSD License, Dimitar Popov

Field Summary

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
DBOptimize(Data data, boolean all, Options opts, QueryContext qc, InputInfo info)	Constructor.

Method Summary

Modifier and Type	Method	Description
void	apply()	Applies this operation.
void	merge(Update update)	Merges two update operations pointing to the same target.
void	prepare()	Prepares this operation.
int	size()	Returns the number of update operations.

Methods inherited from class org.basex.query.up.primitives.db.DBUpdate

compareTo

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, toString, wait, wait, wait

Constructor Details

DBOptimize

public DBOptimize(Data data,
 boolean all,
 Options opts,
 QueryContext qc,
 InputInfo info)
           throws QueryException

Constructor.

Parameters:

data - data

all - optimize all database structures flag

opts - database options

qc - database context

info - input info

Throws:

QueryException - query exception

Method Details

prepare

public void prepare()

Description copied from class: DBUpdate

Prepares this operation.

Specified by:

prepare in class DBUpdate

apply

public void apply()
           throws QueryException

Description copied from class: DBUpdate

Applies this operation.

Specified by:

apply in class DBUpdate

Throws:

QueryException - exception

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

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