com.sleepycat.je.utilint

Class MapStatComponent<T,C extends MapStatComponent<T,C>>

java.lang.Object

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

com.sleepycat.je.utilint.MapStatComponent<T,C>

Type Parameters:

T - the type of the statistic value

C - the type of the component

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

AtomicLongComponent, DoubleExpMovingAvg, LatencyPercentile, LongAvg, LongAvgRate, LongDiffStat, LongMax

public abstract class MapStatComponent<T,C extends MapStatComponent<T,C>>
extends BaseStat<T>

The interface for individual stat components included in a MapStat.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
MapStatComponent()

Method Summary

Modifier and Type	Method and Description
abstract C	copy() Narrow the return type to the component type.
protected String	getFormattedValue() Implement this overloading to use commas.
protected abstract String	getFormattedValue(boolean useCommas) Returns the value of the statistic as a formatted string, either using or not using commas as requested.

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

clear, get, isNotSet

Methods inherited from class java.lang.Object

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

Constructor Detail

MapStatComponent

public MapStatComponent()

Method Detail

getFormattedValue

protected abstract String getFormattedValue(boolean useCommas)

Returns the value of the statistic as a formatted string, either using or not using commas as requested. Implementations should make sure that the result does not contain commas when useCommas is false, because the value will be used in a comma-separated value file, where embedded commas would cause problems.

Parameters:

useCommas - whether to use commas

Returns:

the value as a formatted string

getFormattedValue

protected String getFormattedValue()

Implement this overloading to use commas.

Specified by:

getFormattedValue in class BaseStat<T>

Returns:

the value as a formatted string

copy

public abstract C copy()

Narrow the return type to the component type.

Specified by:

copy in class BaseStat<T>

Returns:

a copy