Package com.linkedin.venice.router.api

Class VeniceHostFinder

java.lang.Object

com.linkedin.venice.router.api.VeniceHostFinder

All Implemented Interfaces:

HostFinder<Instance,VeniceRole>

public class VeniceHostFinder
extends Object
implements HostFinder<Instance,VeniceRole>

{code VeniceHostFinder} finds a set of hosts that can serve the given Venice resource partition.

Constructor Summary

Constructors

Constructor	Description
VeniceHostFinder(OnlineInstanceFinder onlineInstanceFinder, RouterStats<AggRouterHttpRequestStats> routerStats, HostHealthMonitor<Instance> instanceHealthMonitor)

Method Summary

Modifier and Type	Method	Description
List<Instance>	findHosts(String requestMethod, String resourceName, String storeName, int partitionNumber, HostHealthMonitor<Instance> hostHealthMonitor)
List<Instance>	findHosts(String requestMethod, String resourceName, String partitionName, HostHealthMonitor<Instance> hostHealthMonitor, VeniceRole roles)	This parameter list is based on the router API.

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.linkedin.alpini.router.api.HostFinder

getChangeFuture, getSnapshot

Constructor Details

VeniceHostFinder

public VeniceHostFinder(OnlineInstanceFinder onlineInstanceFinder,
 RouterStats<AggRouterHttpRequestStats> routerStats,
 HostHealthMonitor<Instance> instanceHealthMonitor)

Method Details

findHosts

public List<Instance> findHosts(String requestMethod,
 String resourceName,
 String partitionName,
 HostHealthMonitor<Instance> hostHealthMonitor,
 VeniceRole roles)

This parameter list is based on the router API. The Venice router currently ignores all but the resourceName and partitionName

Specified by:

findHosts in interface HostFinder<Instance,VeniceRole>

Parameters:

requestMethod - - used to identify the read request type

resourceName - - required

partitionName - - required

hostHealthMonitor - - ignored, this class will use its own HostHealthMonitor

roles - - ignored

Returns:

findHosts

public List<Instance> findHosts(String requestMethod,
 String resourceName,
 String storeName,
 int partitionNumber,
 HostHealthMonitor<Instance> hostHealthMonitor)