com.netflix.genie.web.services.impl

Class RandomizedClusterLoadBalancerImpl

java.lang.Object

com.netflix.genie.web.services.impl.RandomizedClusterLoadBalancerImpl

All Implemented Interfaces:

ClusterLoadBalancer

public class RandomizedClusterLoadBalancerImpl
extends java.lang.Object
implements ClusterLoadBalancer

Basic implementation of a load balancer where a cluster is picked at random.

Constructor Summary

Constructors

Constructor and Description
RandomizedClusterLoadBalancerImpl()

Method Summary

Modifier and Type	Method and Description
Cluster	selectCluster(@NonNull @NotEmpty java.util.Set<Cluster> clusters, @NonNull JobRequest jobRequest) Return best cluster to run job on.

Methods inherited from class java.lang.Object

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

Constructor Detail

RandomizedClusterLoadBalancerImpl

public RandomizedClusterLoadBalancerImpl()

Method Detail

selectCluster

public Cluster selectCluster(@Nonnull @NonNull @NotEmpty
                             @NonNull @NotEmpty java.util.Set<Cluster> clusters,
                             @Nonnull @NonNull
                             @NonNull JobRequest jobRequest)
                      throws GenieException

Return best cluster to run job on.

Specified by:

selectCluster in interface ClusterLoadBalancer

Parameters:

clusters - An immutable, non-empty list of available clusters to choose from

jobRequest - The job request these clusters are being load balanced for

Returns:

the "best" cluster to run job on or null if no cluster selected

Throws:

GenieException - if there is any error