Package com._1c.g5.v8.xmdb.impl

Class DatabaseInMemory

java.lang.Object

com._1c.g5.v8.xmdb.impl.DatabaseInMemory

All Implemented Interfaces:

Database

public class DatabaseInMemory
extends Object
implements Database

In memory database (no real file operations)

Field Summary

Fields inherited from interface com._1c.g5.v8.xmdb.Database

OPEN_STATE_CLEAR, OPEN_STATE_ERROR, OPEN_STATE_NEW

Constructor Summary

Constructors

Constructor	Description
DatabaseInMemory(ITreeCache cache)

Method Summary

Modifier and Type	Method	Description
void	addIndex(KeyValueStorage kvs, String name)	Register kvs index (builded on these database) in descriptions chain
void	attachStorage()	Reopen file descriptors, used by database
void	close()	Close database (with sync and correct close resources)
void	detachStorage()	Close file descriptors, used by databse
void	drop()	Drop database (drop caches, detach and delete files)
void	dropIndex(String name)	Unregister index from descriptions chain
ITreeCache	getCache()	Get database internal cache
Engine	getEngine()	Get database internal engine
KeyValueStorage	getIndex(String name)	Get registered index by name
int	getIndexCount()	Get total number of registered index
int	getNextSegmentId()	Get first free (in these database) segment id.
int	getOpenState()	Get database open status
void	sync()	Sync complete database to file(s)

Methods inherited from class java.lang.Object

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

Constructor Detail

DatabaseInMemory

public DatabaseInMemory(ITreeCache cache)

Method Detail

sync

public void sync()

Description copied from interface: Database

Sync complete database to file(s)

Specified by:

sync in interface Database

close

public void close()

Description copied from interface: Database

Close database (with sync and correct close resources)

Specified by:

close in interface Database

detachStorage

public void detachStorage()

Description copied from interface: Database

Close file descriptors, used by databse

Specified by:

detachStorage in interface Database

attachStorage

public void attachStorage()

Description copied from interface: Database

Reopen file descriptors, used by database

Specified by:

attachStorage in interface Database

dropIndex

public void dropIndex(String name)

Description copied from interface: Database

Unregister index from descriptions chain

Specified by:

dropIndex in interface Database

addIndex

public void addIndex(KeyValueStorage kvs,
                     String name)

Description copied from interface: Database

Register kvs index (builded on these database) in descriptions chain

Specified by:

addIndex in interface Database

Parameters:

kvs - index to register

getIndex

public KeyValueStorage getIndex(String name)

Description copied from interface: Database

Get registered index by name

Specified by:

getIndex in interface Database

Parameters:

name - index name

Returns:

index or null (if it doesn't registered)

getCache

public ITreeCache getCache()

Description copied from interface: Database

Get database internal cache

Specified by:

getCache in interface Database

Returns:

database cache

getEngine

public Engine getEngine()

Description copied from interface: Database

Get database internal engine

Specified by:

getEngine in interface Database

Returns:

database engine

getNextSegmentId

public int getNextSegmentId()

Description copied from interface: Database

Get first free (in these database) segment id. Method mark segment as used

Specified by:

getNextSegmentId in interface Database

Returns:

free segment id

getIndexCount

public int getIndexCount()

Description copied from interface: Database

Get total number of registered index

Specified by:

getIndexCount in interface Database

Returns:

drop

public void drop()

Description copied from interface: Database

Drop database (drop caches, detach and delete files)

Specified by:

drop in interface Database

getOpenState

public int getOpenState()

Description copied from interface: Database

Get database open status

Specified by:

getOpenState in interface Database

Returns:

database OPEN_STATE