org.basex.core

Class Databases

java.lang.Object

org.basex.core.Databases

public final class Databases
extends java.lang.Object

Manages a two-way-map of all available databases and backups. Used for locking.

Author:

BaseX Team 2005-12, BSD License, Jens Erat

Field Summary

Fields

Modifier and Type	Field and Description
static java.util.regex.Pattern	FILES Pattern to exclude locking files from database transfer operations.
static java.util.regex.Pattern	ZIPPATTERN Pattern to extract the database name from a backup file name.

Method Summary

Methods

Modifier and Type	Method and Description
void	add(java.lang.String db) Adds a database to the list.
void	add(java.lang.String db, boolean backup) Adds a database or backup to the list.
void	alter(java.lang.String oldDB, java.lang.String newDB) Renames a database in the list without changing its key.
static StringList	backupPaths(java.lang.String db, Context ctx) Returns the sorted paths of all backups of the specified database.
boolean	delete(java.lang.String db) Deletes a database from the list.
boolean	delete(java.lang.String db, boolean backup) Deletes a database or backup from the list.
StringList	list() Lists all available databases and backups.
StringList	listBackups() Lists all available backups.
StringList	listBackups(java.lang.String name) Lists all available backups.
StringList	listDBs() Lists all available databases.
StringList	listDBs(java.lang.String name) Lists all available databases matching the given name.

Methods inherited from class java.lang.Object

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

Field Detail

FILES

public static final java.util.regex.Pattern FILES

Pattern to exclude locking files from database transfer operations.

ZIPPATTERN

public static final java.util.regex.Pattern ZIPPATTERN

Pattern to extract the database name from a backup file name.

Method Detail

add

public void add(java.lang.String db)

Adds a database to the list. If already present, does nothing.

Parameters:

db - name of the database

add

public void add(java.lang.String db,
       boolean backup)

Adds a database or backup to the list. If already present, does nothing.

Parameters:

db - database or backup name

backup - is backup?

alter

public void alter(java.lang.String oldDB,
         java.lang.String newDB)

Renames a database in the list without changing its key.

Parameters:

oldDB - old database name

newDB - new database name

delete

public boolean delete(java.lang.String db)

Deletes a database from the list.

Parameters:

db - name of the database

Returns:

found database?

delete

public boolean delete(java.lang.String db,
             boolean backup)

Deletes a database or backup from the list.

Parameters:

db - database or backup name

backup - is backup?

Returns:

found database or backup?

list

public StringList list()

Lists all available databases and backups.

Returns:

database and backup list

listDBs

public StringList listDBs()

Lists all available databases.

Returns:

database list

listDBs

public StringList listDBs(java.lang.String name)

Lists all available databases matching the given name. Supports glob patterns.

Parameters:

name - database name, glob patterns allowed

Returns:

database list

listBackups

public StringList listBackups()

Lists all available backups.

Returns:

backup list

listBackups

public StringList listBackups(java.lang.String name)

Lists all available backups.

Parameters:

name - backup name, glob patterns allowed

Returns:

backup list

backupPaths

public static StringList backupPaths(java.lang.String db,
                     Context ctx)

Returns the sorted paths of all backups of the specified database.

Parameters:

db - database

ctx - database context

Returns:

paths of available backups