| Name | Description | Type | Package | Framework |
| LeaderListenerParser | Class | org.springframework.integration.zookeeper.config.xml | Spring Integration | |
| LeaderInitiatorFactoryBean | Creates a LeaderInitiator. | Class | org.springframework.integration.zookeeper.config | Spring Integration |
| LeaderInitiator | Bootstrap leadership candidateswith ZooKeeper/Curator. | Class | org.springframework.integration.zookeeper.leader | Spring Integration |
| LeaderEventPublisher | Interface for publishing leader based application events. | Interface | org.springframework.integration.leader.event | Spring Integration |
| DefaultLeaderEventPublisher | Default implementation of LeaderEventPublisher. | Class | org.springframework.integration.leader.event | Spring Integration |
| AbstractLeaderEvent | Base ApplicationEvent class for leader based events. | Class | org.springframework.integration.leader.event | Spring Integration |
| LeaderElector | Leader Election process. | Class | org.apache.solr.cloud | Apache Solr Lucene |
| LeaderInitiatedRecoveryThread | Background daemon thread that tries to send the REQUESTRECOVERY to a downed replica; used by a shard leader to nag a replica into recovering after the | Class | org.apache.solr.cloud | Apache Solr Lucene |
| ClusterEvent .LeaderChanged | Leader of the cluster members changed. | Class | akka.cluster.ClusterEvent | Akka |
| ClusterEvent .LeaderChanged$ | Class | akka.cluster.ClusterEvent | Akka | |
| ClusterEvent .RoleLeaderChanged | First member (leader) of the members within a role set changed. | Class | akka.cluster.ClusterEvent | Akka |
| ClusterEvent .RoleLeaderChanged$ | Class | akka.cluster.ClusterEvent | Akka | |
| InternalClusterAction .LeaderActionsTick$ | Class | akka.cluster.InternalClusterAction | Akka | |
| LeaderNotAvailableException | There is no currently available leader for the given partition (either because a leadership election is in progress or because all replicas are down). | Class | org.apache.kafka.common.errors | Apache Kafka |
| CancelLeadershipException | When thrown from ConnectionStateListener. | Class | org.apache.curator.framework.recipes.leader | Apache Curator |
| LeaderEvent | Class | org.apache.curator.x.rpc.idl.structs | Apache Curator | |
| LeaderLatch | Abstraction to select a leader amongst multiple contenders in a group of JMVs connected to a Zookeeper cluster. | Class | org.apache.curator.framework.recipes.leader | Apache Curator |
| LeaderLatch .CloseMode | How to handle listeners when the latch is closedWhen the latch is closed, listeners *will* be notified | Class | org.apache.curator.framework.recipes.leader | Apache Curator |
| LeaderLatch .State | Returns the enum constant of this type with the specified name. | Class | org.apache.curator.framework.recipes.leader | Apache Curator |
| LeaderLatchListener | A LeaderLatchListener can be used to be notified asynchronously about when the state of the LeaderLatch has changed. | Interface | org.apache.curator.framework.recipes.leader | Apache Curator |
| LeaderProjection | Class | org.apache.curator.x.rpc.idl.structs | Apache Curator | |
| LeaderResult | Class | org.apache.curator.x.rpc.idl.structs | Apache Curator | |
| LeaderSelector | Abstraction to select a leader amongst multiple contenders in a group of JMVs connected to a Zookeeper cluster. | Class | org.apache.curator.framework.recipes.leader | Apache Curator |
| LeaderSelectorExample | Class | leader | Apache Curator | |
| LeaderSelectorListener | Notification for leadershipSee Also:LeaderSelector | Interface | org.apache.curator.framework.recipes.leader | Apache Curator |
| LeaderSelectorListenerAdapter | An implementation of LeaderSelectorListener that adds the recommended handling for connection state problems | Class | org.apache.curator.framework.recipes.leader | Apache Curator |
| NotLeaderForPartitionException | This server is not the leader for the given partitionSee Also:Serialized Form | Class | org.apache.kafka.common.errors | Apache Kafka |