org.h2.jmx

Interface DatabaseInfoMBean

All Known Implementing Classes:

DatabaseInfo

public interface DatabaseInfoMBean

Information and management operations for the given database.

H2.resource:

Method Summary

Methods

Modifier and Type	Method and Description
int	getCacheSize() The current cache size in KB.
int	getCacheSizeMax() The maximum cache size in KB.
long	getFileReadCount() The file read count since the database was opened.
long	getFileSize() The database file size in KB.
long	getFileWriteCount() The number of write operations since the database was opened.
long	getFileWriteCountTotal() The number of write operations since the database was created.
int	getLogMode() The transaction log mode (0 disabled, 1 without sync, 2 enabled).
java.lang.String	getMode() The database compatibility mode (REGULAR if no compatibility mode is used).
int	getTraceLevel() The trace level (0 disabled, 1 error, 2 info, 3 debug).
java.lang.String	getVersion() The database version.
boolean	isExclusive() Is the database open in exclusive mode?
boolean	isMultiThreaded() Is multi-threading enabled?
boolean	isMvcc() Is MVCC (multi version concurrency) enabled?
boolean	isReadOnly() Is the database read-only?
java.lang.String	listSessions() List sessions, including the queries that are in progress, and locked tables.
java.lang.String	listSettings() List the database settings.
void	setCacheSizeMax(int kb) Change the maximum size.
void	setLogMode(int value) Set the transaction log mode.
void	setTraceLevel(int level) Set the trace level.

Method Detail

isExclusive

boolean isExclusive()

Is the database open in exclusive mode?

Returns:

true if the database is open in exclusive mode, false otherwise

H2.resource:

isReadOnly

boolean isReadOnly()

Is the database read-only?

Returns:

true if the database is read-only, false otherwise

H2.resource:

getMode

java.lang.String getMode()

The database compatibility mode (REGULAR if no compatibility mode is used).

Returns:

the database mode

H2.resource:

isMultiThreaded

boolean isMultiThreaded()

Is multi-threading enabled?

Returns:

true if multi-threading is enabled, false otherwise

H2.resource:

isMvcc

boolean isMvcc()

Is MVCC (multi version concurrency) enabled?

Returns:

true if MVCC is enabled, false otherwise

H2.resource:

getLogMode

int getLogMode()

The transaction log mode (0 disabled, 1 without sync, 2 enabled).

Returns:

the transaction log mode

H2.resource:

setLogMode

void setLogMode(int value)

Set the transaction log mode.

Parameters:

value - the new log mode

getFileWriteCountTotal

long getFileWriteCountTotal()

The number of write operations since the database was created.

Returns:

the total write count

H2.resource:

getFileWriteCount

long getFileWriteCount()

The number of write operations since the database was opened.

Returns:

the write count

H2.resource:

getFileReadCount

long getFileReadCount()

The file read count since the database was opened.

Returns:

the read count

H2.resource:

getFileSize

long getFileSize()

The database file size in KB.

Returns:

the number of pages

H2.resource:

getCacheSizeMax

int getCacheSizeMax()

The maximum cache size in KB.

Returns:

the maximum size

H2.resource:

setCacheSizeMax

void setCacheSizeMax(int kb)

Change the maximum size.

Parameters:

kb - the cache size in KB.

getCacheSize

int getCacheSize()

The current cache size in KB.

Returns:

the current size

H2.resource:

getVersion

java.lang.String getVersion()

The database version.

Returns:

the version

H2.resource:

getTraceLevel

int getTraceLevel()

The trace level (0 disabled, 1 error, 2 info, 3 debug).

Returns:

the level

H2.resource:

setTraceLevel

void setTraceLevel(int level)

Set the trace level.

Parameters:

level - the new value

listSettings

java.lang.String listSettings()

List the database settings.

Returns:

the database settings

H2.resource:

listSessions

java.lang.String listSessions()

List sessions, including the queries that are in progress, and locked tables.

Returns:

information about the sessions

H2.resource: