com.netflix.genie.web.configs

Class LeadershipConfig

java.lang.Object

com.netflix.genie.web.configs.LeadershipConfig

@Configuration
public class LeadershipConfig
extends java.lang.Object

Beans for Leadership of a Genie cluster.

Since:

3.1.0

Constructor Summary

Constructors

Constructor and Description
LeadershipConfig()

Method Summary

Modifier and Type	Method and Description
org.springframework.integration.zookeeper.config.LeaderInitiatorFactoryBean	leaderInitiatorFactory(org.apache.curator.framework.CuratorFramework client, ZookeeperProperties zookeeperProperties) The leadership initialization factory bean which will create a LeaderInitiator to kick off the leader election process within this node for the cluster if Zookeeper is configured.
LeadershipTasksCoordinator	leadershipTasksCoordinator(org.springframework.scheduling.TaskScheduler taskScheduler, java.util.Collection<LeadershipTask> tasks) Create the LeadershipTasksCoordination bean used to start and stop all leadership related tasks based on whether leadership is granted or revoked.
LocalLeader	localLeader(com.netflix.genie.core.events.GenieEventBus genieEventBus, boolean isLeader) If Spring Cloud Leadership is disabled and this node is forced to be the leader create the local leader bean which will fire appropriate events.

Methods inherited from class java.lang.Object

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

Constructor Detail

LeadershipConfig

public LeadershipConfig()

Method Detail

leadershipTasksCoordinator

@Bean
 @ConditionalOnBean(value=LeadershipTask.class)
public LeadershipTasksCoordinator leadershipTasksCoordinator(org.springframework.scheduling.TaskScheduler taskScheduler,
                                                                                                                   java.util.Collection<LeadershipTask> tasks)

Create the LeadershipTasksCoordination bean used to start and stop all leadership related tasks based on whether leadership is granted or revoked.

Parameters:

taskScheduler - The task scheduler to use for scheduling leadership tasks

tasks - The leadership tasks to schedule

Returns:

The leader coordinator

leaderInitiatorFactory

@Bean
 @ConditionalOnProperty(value="genie.zookeeper.enabled")
public org.springframework.integration.zookeeper.config.LeaderInitiatorFactoryBean leaderInitiatorFactory(org.apache.curator.framework.CuratorFramework client,
                                                                                                                                                                         ZookeeperProperties zookeeperProperties)

The leadership initialization factory bean which will create a LeaderInitiator to kick off the leader election process within this node for the cluster if Zookeeper is configured.

Parameters:

client - The curator framework client to use

zookeeperProperties - The Zookeeper properties to use

Returns:

The factory bean

localLeader

@Bean
 @ConditionalOnProperty(value="genie.zookeeper.enabled",
                       havingValue="false",
                       matchIfMissing=true)
public LocalLeader localLeader(com.netflix.genie.core.events.GenieEventBus genieEventBus,
                                                                                                                                                                                      @Value(value="${genie.leader.enabled}")
                                                                                                                                                                                      boolean isLeader)

If Spring Cloud Leadership is disabled and this node is forced to be the leader create the local leader bean which will fire appropriate events.

Parameters:

genieEventBus - The genie event bus implementation to use

isLeader - Whether this node is the leader of the cluster or not

Returns:

The local leader bean