com.sleepycat.je.utilint

Class LongMaxStat

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.LongStat

com.sleepycat.je.utilint.LongMaxStat

All Implemented Interfaces:

Serializable, Cloneable

Direct Known Subclasses:

LongMaxZeroStat

public class LongMaxStat
extends LongStat

A long stat which maintains a maximum value. It is initialized to Long.MIN_VALUE. The setMax() methods assigns the counter to MAX(counter, new value).

See Also:

Serialized Form

Field Summary

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

counter

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

definition

Constructor Summary

Constructors

Constructor and Description
LongMaxStat(StatGroup group, StatDefinition definition)
LongMaxStat(StatGroup group, StatDefinition definition, long counter)

Method Summary

Modifier and Type	Method and Description
void	clear() Resets the statistic to its initial state.
Stat<Long>	computeInterval(Stat<Long> base) Compute interval value with respect to the base value.
protected String	getFormattedValue() Returns the value of the statistic as a formatted string.
boolean	isNotSet() Returns whether the statistic is in its initial state.
void	negate() Negate the value.
boolean	setMax(long newValue) Set stat to MAX(current stat value, newValue).

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

add, add, get, getValueType, increment, max, set

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

getForType

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

copy, copyAndAdd, copyAndClear, getDefinition, toString, toStringVerbose

Methods inherited from class java.lang.Object

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

Constructor Detail

LongMaxStat

public LongMaxStat(StatGroup group,
                   StatDefinition definition)

LongMaxStat

public LongMaxStat(StatGroup group,
                   StatDefinition definition,
                   long counter)

Method Detail

clear

public void clear()

Description copied from class: BaseStat

Resets the statistic to its initial state.

Overrides:

clear in class LongStat

setMax

public boolean setMax(long newValue)

Set stat to MAX(current stat value, newValue).

Returns:

true if the max value was updated.

computeInterval

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

Description copied from class: Stat

Compute interval value with respect to the base value.

Overrides:

computeInterval in class LongStat

negate

public void negate()

Description copied from class: Stat

Negate the value.

Overrides:

negate in class LongStat

getFormattedValue

protected String getFormattedValue()

Description copied from class: BaseStat

Returns the value of the statistic as a formatted string.

Overrides:

getFormattedValue in class LongStat

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.

Overrides:

isNotSet in class LongStat

Returns:

if the statistic is in its initial state