Package com.sleepycat.db

Class QueueStats

java.lang.Object

com.sleepycat.db.DatabaseStats

com.sleepycat.db.QueueStats

public class QueueStats
extends DatabaseStats

The QueueStats object is used to return Queue database statistics.

Method Summary

Modifier and Type	Method	Description
int	getCurRecno()	The next available record number.
int	getExtentSize()	The underlying database extent size, in pages.
int	getFirstRecno()	The first undeleted record in the database.
int	getMagic()	The magic number that identifies the file as a Queue file.
int	getMetaFlags()	Reports internal flags.
int	getNumData()	The number of records in the database.
int	getNumKeys()	The number of records in the database.
int	getPages()	The number of pages in the database.
int	getPagesFree()	The number of bytes free in database pages.
int	getPageSize()	The underlying database page size, in bytes.
int	getReLen()	The length of the records.
int	getRePad()	The padding byte value for the records.
int	getVersion()	The version of the Queue database.
java.lang.String	toString()	For convenience, the QueueStats class has a toString method that lists all the data fields.

Methods inherited from class java.lang.Object

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

Method Detail

getMagic

public int getMagic()

The magic number that identifies the file as a Queue file.

Returns:

the magic number that identifies the file as a Queue file

getVersion

public int getVersion()

The version of the Queue database.

Returns:

the version of the Queue database

getMetaFlags

public int getMetaFlags()

Reports internal flags. For internal use only.

Returns:

internal flags

getNumKeys

public int getNumKeys()

The number of records in the database.

If the Database.getStats call was configured by the StatsConfig.setFast method, the count will be the last saved value unless it has never been calculated, in which case it will be 0.

Returns:

the number of records in the database

getNumData

public int getNumData()

The number of records in the database.

If the Database.getStats call was configured by the StatsConfig.setFast method, the count will be the last saved value unless it has never been calculated, in which case it will be 0.

Returns:

the number of records in the database

getPageSize

public int getPageSize()

The underlying database page size, in bytes.

Returns:

the underlying database page size, in bytes

getExtentSize

public int getExtentSize()

The underlying database extent size, in pages.

Returns:

the underlying database extent size, in pages

getPages

public int getPages()

The number of pages in the database.

The information is only included if the Database.getStats call was not configured by the StatsConfig.setFast method.

Returns:

the number of pages in the database

getReLen

public int getReLen()

The length of the records.

Returns:

the length of the records

getRePad

public int getRePad()

The padding byte value for the records.

Returns:

the padding byte value for the records

getPagesFree

public int getPagesFree()

The number of bytes free in database pages.

The information is only included if the Database.getStats call was not configured by the StatsConfig.setFast method.

Returns:

the number of bytes free in database pages

getFirstRecno

public int getFirstRecno()

The first undeleted record in the database.

Returns:

the first undeleted record in the database

getCurRecno

public int getCurRecno()

The next available record number.

Returns:

the next available record number

toString

public java.lang.String toString()

For convenience, the QueueStats class has a toString method that lists all the data fields.

Overrides:

toString in class java.lang.Object

Returns:

a String that lists all the data fields