com.helger.commons.statistics

Class AbstractStatisticsHandlerNumeric

java.lang.Object

com.helger.commons.statistics.AbstractStatisticsHandlerNumeric

All Implemented Interfaces:

IStatisticsHandler, IStatisticsHandlerNumeric, Serializable

Direct Known Subclasses:

StatisticsHandlerSize, StatisticsHandlerTimer

@ThreadSafe
public abstract class AbstractStatisticsHandlerNumeric
extends Object
implements IStatisticsHandlerNumeric

Abstract base class for numeric statistic handler

Author:

Philip Helger

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
AbstractStatisticsHandlerNumeric()

Method Summary

Modifier and Type	Method and Description
protected void	addValue(long nValue)
long	getAverage()
int	getInvocationCount()
long	getMax()
long	getMin()
BigInteger	getSum()

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractStatisticsHandlerNumeric

public AbstractStatisticsHandlerNumeric()

Method Detail

getInvocationCount

@Nonnegative
public final int getInvocationCount()

Specified by:

getInvocationCount in interface IStatisticsHandler

Returns:

The number of times this statistics hander was invoked.

addValue

protected final void addValue(long nValue)

getSum

@Nonnull
public final BigInteger getSum()

Specified by:

getSum in interface IStatisticsHandlerNumeric

Returns:

The sum of aggregated values.

getMin

@CheckForSigned
public final long getMin()

Specified by:

getMin in interface IStatisticsHandlerNumeric

Returns:

The smallest value. Returns CGlobal.ILLEGAL_ULONG if the invocation count is 0.

getAverage

@CheckForSigned
public final long getAverage()

Specified by:

getAverage in interface IStatisticsHandlerNumeric

Returns:

The average value (=sum/invocationCount). Returns CGlobal.ILLEGAL_ULONG if the invocation count is 0 to avoid a division by 0.

getMax

@CheckForSigned
public long getMax()

Specified by:

getMax in interface IStatisticsHandlerNumeric

Returns:

The biggest value. Returns CGlobal.ILLEGAL_ULONG if the invocation count is 0.