com.netflix.eureka.registry.rule

Interface InstanceStatusOverrideRule

All Known Implementing Classes:

AlwaysMatchInstanceStatusRule, AsgEnabledRule, DownOrStartingRule, FirstMatchWinsCompositeRule, LeaseExistsRule, OverrideExistsRule

public interface InstanceStatusOverrideRule

A single rule that if matched it returns an instance status. The idea is to use an ordered list of such rules and pick the first result that matches. It is designed to be used by AbstractInstanceRegistry.getOverriddenInstanceStatus(InstanceInfo, Lease, boolean) Created by Nikos Michalakis on 7/13/16.

Method Summary

Modifier and Type	Method and Description
StatusOverrideResult	apply(com.netflix.appinfo.InstanceInfo instanceInfo, Lease<com.netflix.appinfo.InstanceInfo> existingLease, boolean isReplication) Match this rule.

Method Detail

apply

StatusOverrideResult apply(com.netflix.appinfo.InstanceInfo instanceInfo,
                           Lease<com.netflix.appinfo.InstanceInfo> existingLease,
                           boolean isReplication)

Match this rule.

Parameters:

instanceInfo - The instance info whose status we care about.

existingLease - Does the instance have an existing lease already? If so let's consider that.

isReplication - When overriding consider if we are under a replication mode from other servers.

Returns:

A result with whether we matched and what we propose the status to be overriden to.