com.datastax.driver.core.policies

Class LatencyAwarePolicy.Snapshot.Stats

java.lang.Object

com.datastax.driver.core.policies.LatencyAwarePolicy.Snapshot.Stats

Enclosing class:

LatencyAwarePolicy.Snapshot

public static class LatencyAwarePolicy.Snapshot.Stats
extends Object

A snapshot of the statistics on a given host kept by LatencyAwarePolicy.

Method Summary

Modifier and Type	Method and Description
long	getLatencyScore() The latency score for the host this is the stats of at the time of the snapshot.
long	getMeasurementsCount() The number of recorded latency measurements for the host this is the stats of.
long	lastUpdatedSince() The number of nanoseconds since the last latency update was recorded (at the time of the snapshot).

Methods inherited from class java.lang.Object

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

Method Detail

lastUpdatedSince

public long lastUpdatedSince()

The number of nanoseconds since the last latency update was recorded (at the time of the snapshot).

Returns:

The number of nanoseconds since the last latency update was recorded (at the time of the snapshot).

getLatencyScore

public long getLatencyScore()

The latency score for the host this is the stats of at the time of the snapshot.

Returns:

the latency score for the host this is the stats of at the time of the snapshot, or -1L if not enough measurements have been taken to assign a score.

getMeasurementsCount

public long getMeasurementsCount()

The number of recorded latency measurements for the host this is the stats of.

Returns:

the number of recorded latency measurements for the host this is the stats of.