com.bytex.snamp.supervision.elasticity.policies

Class HealthStatusBasedScalingPolicy

java.lang.Object

com.bytex.snamp.supervision.elasticity.policies.AbstractWeightedScalingPolicy

com.bytex.snamp.supervision.elasticity.policies.HealthStatusBasedScalingPolicy

All Implemented Interfaces:

ScriptletConfigurationSupport, com.bytex.snamp.Stateful, com.bytex.snamp.supervision.elasticity.HealthStatusBasedScalingPolicy, com.bytex.snamp.supervision.elasticity.ScalingPolicy, com.bytex.snamp.supervision.elasticity.WeightedScalingPolicy

public final class HealthStatusBasedScalingPolicy
extends AbstractWeightedScalingPolicy
implements com.bytex.snamp.supervision.elasticity.HealthStatusBasedScalingPolicy

Since:

2.0

Version:

2.0

Author:

Roman Sakno

Field Summary

Fields inherited from interface com.bytex.snamp.supervision.elasticity.policies.ScalingPolicy

VOICELESS

Constructor Summary

Constructors

Constructor and Description
HealthStatusBasedScalingPolicy(double voteWeight, com.bytex.snamp.connector.health.MalfunctionStatus.Level level)
HealthStatusBasedScalingPolicy(double voteWeight, com.bytex.snamp.connector.health.MalfunctionStatus.Level level, Duration observationTime, boolean incrementalWeight)

Method Summary

Modifier and Type	Method and Description
void	configureScriptlet(com.bytex.snamp.configuration.ScriptletConfiguration scriptlet)
double	evaluate(ScalingPolicyEvaluationContext context) Evaluates scaling policy and obtain vote weight.
com.bytex.snamp.connector.health.MalfunctionStatus.Level	getLevel()

Methods inherited from class com.bytex.snamp.supervision.elasticity.policies.AbstractWeightedScalingPolicy

getObservationTime, getVoteWeight, isIncrementalVoteWeight, reset

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.bytex.snamp.supervision.elasticity.WeightedScalingPolicy

getVoteWeight

Methods inherited from interface com.bytex.snamp.Stateful

reset

Constructor Detail

HealthStatusBasedScalingPolicy

public HealthStatusBasedScalingPolicy(double voteWeight,
                                      com.bytex.snamp.connector.health.MalfunctionStatus.Level level)

HealthStatusBasedScalingPolicy

public HealthStatusBasedScalingPolicy(double voteWeight,
                                      com.bytex.snamp.connector.health.MalfunctionStatus.Level level,
                                      Duration observationTime,
                                      boolean incrementalWeight)

Method Detail

getLevel

public com.bytex.snamp.connector.health.MalfunctionStatus.Level getLevel()

Specified by:

getLevel in interface com.bytex.snamp.supervision.elasticity.HealthStatusBasedScalingPolicy

configureScriptlet

public void configureScriptlet(com.bytex.snamp.configuration.ScriptletConfiguration scriptlet)

Specified by:

configureScriptlet in interface ScriptletConfigurationSupport

evaluate

public double evaluate(ScalingPolicyEvaluationContext context)

Evaluates scaling policy and obtain vote weight.

Parameters:

context - An object containing all necessary data for voting.

Returns:

Vote weight: >0 - for scale-out; <0 - for scale-in