com.sleepycat.je.utilint

Class AtomicLongStat

java.lang.Object

com.sleepycat.je.utilint.BaseStat<T>

com.sleepycat.je.utilint.Stat<T>

com.sleepycat.je.utilint.StatWithValueType<Long>

com.sleepycat.je.utilint.AtomicLongStat

All Implemented Interfaces:

Serializable, Cloneable

Direct Known Subclasses:

NoClearAtomicLongStat

public class AtomicLongStat
extends StatWithValueType<Long>

A long JE stat that uses AtomicLong to be thread safe.

See Also:

Serialized Form

Field Summary

Fields inherited from class com.sleepycat.je.utilint.Stat

definition

Constructor Summary

Constructors

Constructor and Description
AtomicLongStat(StatGroup group, StatDefinition definition)

Method Summary

Modifier and Type	Method and Description
void	add(long count)
void	add(Stat<Long> other) Add the value of "other" to this stat.
void	clear() Resets the statistic to its initial state.
Stat<Long>	computeInterval(Stat<Long> base) Compute interval value with respect to the base value.
AtomicLongStat	copy() Returns a copy of this statistic.
AtomicLongStat	copyAndClear() Return a copy of this stat, and clear the stat's value.
void	decrement()
Long	get() Returns the value of the statistic.
protected String	getFormattedValue() Returns the value of the statistic as a formatted string.
Class<Long>	getValueType() Returns the type of the value returned by the BaseStat.get() method.
void	increment()
boolean	isNotSet() Returns whether the statistic is in its initial state.
void	negate() Negate the value.
void	set(Long newValue) Set the stat value.

Methods inherited from class com.sleepycat.je.utilint.StatWithValueType

getForType

Methods inherited from class com.sleepycat.je.utilint.Stat

copyAndAdd, getDefinition, toString, toStringVerbose

Methods inherited from class java.lang.Object

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

Constructor Detail

AtomicLongStat

public AtomicLongStat(StatGroup group,
                      StatDefinition definition)

Method Detail

getValueType

public Class<Long> getValueType()

Description copied from class: StatWithValueType

Returns the type of the value returned by the BaseStat.get() method.

Specified by:

getValueType in class StatWithValueType<Long>

Returns:

the type of the value returned by get

get

public Long get()

Description copied from class: BaseStat

Returns the value of the statistic.

Specified by:

get in class BaseStat<Long>

Returns:

the value

set

public void set(Long newValue)

Description copied from class: Stat

Set the stat value.

Specified by:

set in class Stat<Long>

increment

public void increment()

decrement

public void decrement()

add

public void add(long count)

add

public void add(Stat<Long> other)

Description copied from class: Stat

Add the value of "other" to this stat.

Specified by:

add in class Stat<Long>

clear

public void clear()

Description copied from class: BaseStat

Resets the statistic to its initial state.

Specified by:

clear in class BaseStat<Long>

computeInterval

public Stat<Long> computeInterval(Stat<Long> base)

Description copied from class: Stat

Compute interval value with respect to the base value.

Specified by:

computeInterval in class Stat<Long>

negate

public void negate()

Description copied from class: Stat

Negate the value.

Specified by:

negate in class Stat<Long>

copy

public AtomicLongStat copy()

Description copied from class: BaseStat

Returns a copy of this statistic.

Overrides:

copy in class Stat<Long>

Returns:

a copy

copyAndClear

public AtomicLongStat copyAndClear()

Description copied from class: Stat

Return a copy of this stat, and clear the stat's value.

Overrides:

copyAndClear in class Stat<Long>

getFormattedValue

protected String getFormattedValue()

Description copied from class: BaseStat

Returns the value of the statistic as a formatted string.

Specified by:

getFormattedValue in class BaseStat<Long>

Returns:

the value as a formatted string

isNotSet

public boolean isNotSet()

Description copied from class: BaseStat

Returns whether the statistic is in its initial state.

Specified by:

isNotSet in class BaseStat<Long>

Returns:

if the statistic is in its initial state