com.github.rollingmetrics.ranking.impl

Class SnapshotCachingRanking<T>

java.lang.Object

com.github.rollingmetrics.ranking.impl.SnapshotCachingRanking<T>

All Implemented Interfaces:

Ranking<T>

public class SnapshotCachingRanking<T>
extends Object
implements Ranking<T>

Constructor Summary

Constructors

Constructor and Description
SnapshotCachingRanking(Ranking<T> target, Duration cachingDuration, Ticker ticker)

Method Summary

Modifier and Type	Method and Description
List<Position>	getPositionsInDescendingOrder() Returns the top of queries in descend order, slowest query will be at first place.
int	getSize()
String	toString()
void	update(long weight, T identity) Updates the ranking positions.

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.github.rollingmetrics.ranking.Ranking

builder

Constructor Detail

SnapshotCachingRanking

public SnapshotCachingRanking(Ranking<T> target,
                              Duration cachingDuration,
                              Ticker ticker)

Method Detail

update

public void update(long weight,
                   T identity)

Description copied from interface: Ranking

Updates the ranking positions.

Specified by:

update in interface Ranking<T>

Parameters:

weight - the weight of query

identity - the identity by which one query can be distinguished from another.

getPositionsInDescendingOrder

public List<Position> getPositionsInDescendingOrder()

Description copied from interface: Ranking

Returns the top of queries in descend order, slowest query will be at first place. The size of returned list can be less then Ranking.getSize() if not enough count of quires were recorded.

Specified by:

getPositionsInDescendingOrder in interface Ranking<T>

Returns:

the top of queries in descend order.

getSize

public int getSize()

Specified by:

getSize in interface Ranking<T>

Returns:

the maximum count of positions that can be stored in the ranking.

toString

public String toString()

Overrides:

toString in class Object