com.hazelcast.config

Class CardinalityEstimatorConfig

java.lang.Object

com.hazelcast.config.CardinalityEstimatorConfig

public class CardinalityEstimatorConfig
extends Object

Configuration options for the CardinalityEstimator

Field Summary

Fields

Modifier and Type	Field and Description
static int	DEFAULT_ASYNC_BACKUP_COUNT The number of async backups per estimator
static int	DEFAULT_SYNC_BACKUP_COUNT The number of sync backups per estimator

Constructor Summary

Constructors

Constructor and Description
CardinalityEstimatorConfig()
CardinalityEstimatorConfig(CardinalityEstimatorConfig config)
CardinalityEstimatorConfig(String name)
CardinalityEstimatorConfig(String name, int backupCount, int asyncBackupCount)

Method Summary

Modifier and Type	Method and Description
int	getAsyncBackupCount() Gets the number of synchronous backups.
int	getBackupCount() Gets the number of synchronous backups.
String	getName() Gets the name of the cardinality estimator.
int	getTotalBackupCount() Returns the total number of backups: backupCount plus asyncBackupCount.
CardinalityEstimatorConfig	setAsyncBackupCount(int asyncBackupCount) Sets the number of synchronous backups.
CardinalityEstimatorConfig	setBackupCount(int backupCount) Sets the number of synchronous backups.
CardinalityEstimatorConfig	setName(String name) Sets the name of the cardinality estimator.
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_SYNC_BACKUP_COUNT

public static final int DEFAULT_SYNC_BACKUP_COUNT

The number of sync backups per estimator

See Also:

Constant Field Values

DEFAULT_ASYNC_BACKUP_COUNT

public static final int DEFAULT_ASYNC_BACKUP_COUNT

The number of async backups per estimator

See Also:

Constant Field Values

Constructor Detail

CardinalityEstimatorConfig

public CardinalityEstimatorConfig()

CardinalityEstimatorConfig

public CardinalityEstimatorConfig(String name)

CardinalityEstimatorConfig

public CardinalityEstimatorConfig(String name,
                                  int backupCount,
                                  int asyncBackupCount)

CardinalityEstimatorConfig

public CardinalityEstimatorConfig(CardinalityEstimatorConfig config)

Method Detail

getName

public String getName()

Gets the name of the cardinality estimator.

Returns:

The name of the estimator.

setName

public CardinalityEstimatorConfig setName(String name)

Sets the name of the cardinality estimator.

Parameters:

name - The name of the estimator.

Returns:

The cardinality estimator config instance.

getBackupCount

public int getBackupCount()

Gets the number of synchronous backups.

Returns:

number of synchronous backups.

setBackupCount

public CardinalityEstimatorConfig setBackupCount(int backupCount)

Sets the number of synchronous backups.

Parameters:

backupCount - the number of synchronous backups to set

Returns:

the updated CardinalityEstimatorConfig

Throws:

IllegalArgumentException - if backupCount smaller than 0, or larger than the maximum number of backup or the sum of the backups and async backups is larger than the maximum number of backups

See Also:

setAsyncBackupCount(int), getBackupCount()

getAsyncBackupCount

public int getAsyncBackupCount()

Gets the number of synchronous backups.

Returns:

number of synchronous backups.

setAsyncBackupCount

public CardinalityEstimatorConfig setAsyncBackupCount(int asyncBackupCount)

Sets the number of synchronous backups.

Parameters:

asyncBackupCount - the number of synchronous backups to set

Returns:

the updated CardinalityEstimatorConfig

Throws:

IllegalArgumentException - if backupCount smaller than 0, or larger than the maximum number of backup or the sum of the backups and async backups is larger than the maximum number of backups

See Also:

setAsyncBackupCount(int), getBackupCount()

getTotalBackupCount

public int getTotalBackupCount()

Returns the total number of backups: backupCount plus asyncBackupCount.

Returns:

the total number of backups: backupCount plus asyncBackupCount

toString

public String toString()

Overrides:

toString in class Object