com.sleepycat.je.utilint

Class LongAvgMapStat

java.lang.Object

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

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

com.sleepycat.je.utilint.MapStat<Long,LongAvg>

com.sleepycat.je.utilint.LongAvgMapStat

All Implemented Interfaces:

Serializable, Cloneable

public class LongAvgMapStat
extends MapStat<Long,LongAvg>

A JE stat that maintains a map of LongAvg values which can be looked up with a String key, and that returns results as a formatted string.

See Also:

Serialized Form

Field Summary

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

statMap

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

definition

Constructor Summary

Constructors

Constructor and Description
LongAvgMapStat(StatGroup group, StatDefinition definition) Creates an instance of this class.

Method Summary

Modifier and Type	Method and Description
LongAvgMapStat	computeInterval(Stat<String> base) Compute interval value with respect to the base value.
LongAvgMapStat	copy() Returns a copy of this statistic.
LongAvg	createStat(String key) Creates, stores, and returns a new stat for the specified key.
void	negate() Negate the value.

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

add, clear, copyAndClear, get, getFormattedValue, getMap, isNotSet, removeStat, set

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

LongAvgMapStat

public LongAvgMapStat(StatGroup group,
                      StatDefinition definition)

Creates an instance of this class. The definition type must be INCREMENTAL.

Parameters:

group - the owning group

definition - the associated definition

Throws:

IllegalArgumentException - if the stat definition type is not INCREMENTAL

Method Detail

createStat

public LongAvg createStat(String key)

Creates, stores, and returns a new stat for the specified key.

Parameters:

key - the key

Returns:

the new stat

copy

public LongAvgMapStat copy()

Description copied from class: BaseStat

Returns a copy of this statistic.

Overrides:

copy in class Stat<String>

Returns:

a copy

computeInterval

public LongAvgMapStat computeInterval(Stat<String> base)

Compute interval value with respect to the base value.

Specified by:

computeInterval in class Stat<String>

Throws:

IllegalArgumentException - if argument is not a LongAvgMapStat

negate

public void negate()

Description copied from class: Stat

Negate the value.

Specified by:

negate in class Stat<String>