Uses of Package
org.elasticsearch.cluster
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Classes in org.elasticsearch.cluster used by org.elasticsearch.action Class Description ClusterState Represents the current state of the cluster. -
Classes in org.elasticsearch.cluster used by org.elasticsearch.action.admin.cluster.allocation Class Description ClusterInfo ClusterInfo is an object representing a map of nodes toDiskUsageand a map of shard ids to shard sizes, seeInternalClusterInfoService.shardIdentifierFromRouting(String)for the key used in the shardSizes mapClusterInfoService Interface for a class used to gather information about a cluster periodically.ClusterState Represents the current state of the cluster. -
Classes in org.elasticsearch.cluster used by org.elasticsearch.action.admin.cluster.configuration Class Description ClusterState Represents the current state of the cluster. -
Classes in org.elasticsearch.cluster used by org.elasticsearch.action.admin.cluster.health Class Description ClusterState Represents the current state of the cluster. -
Classes in org.elasticsearch.cluster used by org.elasticsearch.action.admin.cluster.node.hotthreads Class Description ClusterName -
Classes in org.elasticsearch.cluster used by org.elasticsearch.action.admin.cluster.node.info Class Description ClusterName -
Classes in org.elasticsearch.cluster used by org.elasticsearch.action.admin.cluster.node.liveness Class Description ClusterName -
Classes in org.elasticsearch.cluster used by org.elasticsearch.action.admin.cluster.node.reload Class Description ClusterName -
Classes in org.elasticsearch.cluster used by org.elasticsearch.action.admin.cluster.node.stats Class Description ClusterName -
Classes in org.elasticsearch.cluster used by org.elasticsearch.action.admin.cluster.node.usage Class Description ClusterName -
Classes in org.elasticsearch.cluster used by org.elasticsearch.action.admin.cluster.repositories.cleanup Class Description ClusterState Represents the current state of the cluster. -
Classes in org.elasticsearch.cluster used by org.elasticsearch.action.admin.cluster.repositories.delete Class Description ClusterState Represents the current state of the cluster. -
Classes in org.elasticsearch.cluster used by org.elasticsearch.action.admin.cluster.repositories.get Class Description ClusterState Represents the current state of the cluster. -
Classes in org.elasticsearch.cluster used by org.elasticsearch.action.admin.cluster.repositories.put Class Description ClusterState Represents the current state of the cluster. -
Classes in org.elasticsearch.cluster used by org.elasticsearch.action.admin.cluster.repositories.verify Class Description ClusterState Represents the current state of the cluster. -
Classes in org.elasticsearch.cluster used by org.elasticsearch.action.admin.cluster.reroute Class Description ClusterState Represents the current state of the cluster. -
Classes in org.elasticsearch.cluster used by org.elasticsearch.action.admin.cluster.settings Class Description ClusterState Represents the current state of the cluster. -
Classes in org.elasticsearch.cluster used by org.elasticsearch.action.admin.cluster.shards Class Description ClusterState Represents the current state of the cluster. -
Classes in org.elasticsearch.cluster used by org.elasticsearch.action.admin.cluster.snapshots.create Class Description ClusterState Represents the current state of the cluster. -
Classes in org.elasticsearch.cluster used by org.elasticsearch.action.admin.cluster.snapshots.delete Class Description ClusterState Represents the current state of the cluster. -
Classes in org.elasticsearch.cluster used by org.elasticsearch.action.admin.cluster.snapshots.get Class Description ClusterState Represents the current state of the cluster. -
Classes in org.elasticsearch.cluster used by org.elasticsearch.action.admin.cluster.snapshots.restore Class Description ClusterChangedEvent An event received by the local node, signaling that the cluster state has changed.ClusterState Represents the current state of the cluster.ClusterStateListener A listener to be notified when a cluster state changes. -
Classes in org.elasticsearch.cluster used by org.elasticsearch.action.admin.cluster.snapshots.status Class Description ClusterName ClusterState Represents the current state of the cluster.SnapshotsInProgress.State -
Classes in org.elasticsearch.cluster used by org.elasticsearch.action.admin.cluster.state Class Description ClusterName ClusterState Represents the current state of the cluster. -
Classes in org.elasticsearch.cluster used by org.elasticsearch.action.admin.cluster.stats Class Description ClusterName -
Classes in org.elasticsearch.cluster used by org.elasticsearch.action.admin.cluster.storedscripts Class Description ClusterState Represents the current state of the cluster. -
Classes in org.elasticsearch.cluster used by org.elasticsearch.action.admin.cluster.tasks Class Description ClusterState Represents the current state of the cluster. -
Classes in org.elasticsearch.cluster used by org.elasticsearch.action.admin.indices.alias Class Description ClusterState Represents the current state of the cluster. -
Classes in org.elasticsearch.cluster used by org.elasticsearch.action.admin.indices.alias.exists Class Description ClusterState Represents the current state of the cluster. -
Classes in org.elasticsearch.cluster used by org.elasticsearch.action.admin.indices.alias.get Class Description ClusterState Represents the current state of the cluster. -
Classes in org.elasticsearch.cluster used by org.elasticsearch.action.admin.indices.analyze Class Description ClusterState Represents the current state of the cluster. -
Classes in org.elasticsearch.cluster used by org.elasticsearch.action.admin.indices.cache.clear Class Description ClusterState Represents the current state of the cluster. -
Classes in org.elasticsearch.cluster used by org.elasticsearch.action.admin.indices.close Class Description ClusterState Represents the current state of the cluster. -
Classes in org.elasticsearch.cluster used by org.elasticsearch.action.admin.indices.create Class Description ClusterState Represents the current state of the cluster. -
Classes in org.elasticsearch.cluster used by org.elasticsearch.action.admin.indices.delete Class Description ClusterState Represents the current state of the cluster. -
Classes in org.elasticsearch.cluster used by org.elasticsearch.action.admin.indices.exists.indices Class Description ClusterState Represents the current state of the cluster. -
Classes in org.elasticsearch.cluster used by org.elasticsearch.action.admin.indices.exists.types Class Description ClusterState Represents the current state of the cluster. -
Classes in org.elasticsearch.cluster used by org.elasticsearch.action.admin.indices.forcemerge Class Description ClusterState Represents the current state of the cluster. -
Classes in org.elasticsearch.cluster used by org.elasticsearch.action.admin.indices.get Class Description ClusterState Represents the current state of the cluster. -
Classes in org.elasticsearch.cluster used by org.elasticsearch.action.admin.indices.mapping.get Class Description ClusterState Represents the current state of the cluster. -
Classes in org.elasticsearch.cluster used by org.elasticsearch.action.admin.indices.mapping.put Class Description ClusterState Represents the current state of the cluster. -
Classes in org.elasticsearch.cluster used by org.elasticsearch.action.admin.indices.open Class Description ClusterState Represents the current state of the cluster. -
Classes in org.elasticsearch.cluster used by org.elasticsearch.action.admin.indices.recovery Class Description ClusterState Represents the current state of the cluster. -
Classes in org.elasticsearch.cluster used by org.elasticsearch.action.admin.indices.rollover Class Description AbstractDiffable Abstract diffable object with simple diffs implementation that sends the entire object if object has changed or nothing is object remained the same.ClusterState Represents the current state of the cluster.Diff Represents difference between states of cluster state partsDiffable Cluster state part, changes in which can be serialized -
Classes in org.elasticsearch.cluster used by org.elasticsearch.action.admin.indices.segments Class Description ClusterState Represents the current state of the cluster. -
Classes in org.elasticsearch.cluster used by org.elasticsearch.action.admin.indices.settings.get Class Description ClusterState Represents the current state of the cluster. -
Classes in org.elasticsearch.cluster used by org.elasticsearch.action.admin.indices.settings.put Class Description ClusterState Represents the current state of the cluster. -
Classes in org.elasticsearch.cluster used by org.elasticsearch.action.admin.indices.shards Class Description ClusterState Represents the current state of the cluster. -
Classes in org.elasticsearch.cluster used by org.elasticsearch.action.admin.indices.shrink Class Description ClusterState Represents the current state of the cluster. -
Classes in org.elasticsearch.cluster used by org.elasticsearch.action.admin.indices.stats Class Description ClusterState Represents the current state of the cluster. -
Classes in org.elasticsearch.cluster used by org.elasticsearch.action.admin.indices.template.delete Class Description ClusterState Represents the current state of the cluster. -
Classes in org.elasticsearch.cluster used by org.elasticsearch.action.admin.indices.template.get Class Description ClusterState Represents the current state of the cluster. -
Classes in org.elasticsearch.cluster used by org.elasticsearch.action.admin.indices.template.put Class Description ClusterState Represents the current state of the cluster. -
Classes in org.elasticsearch.cluster used by org.elasticsearch.action.admin.indices.upgrade.get Class Description ClusterState Represents the current state of the cluster. -
Classes in org.elasticsearch.cluster used by org.elasticsearch.action.admin.indices.upgrade.post Class Description ClusterState Represents the current state of the cluster. -
Classes in org.elasticsearch.cluster used by org.elasticsearch.action.admin.indices.validate.query Class Description ClusterState Represents the current state of the cluster. -
Classes in org.elasticsearch.cluster used by org.elasticsearch.action.explain Class Description ClusterState Represents the current state of the cluster. -
Classes in org.elasticsearch.cluster used by org.elasticsearch.action.fieldcaps Class Description ClusterState Represents the current state of the cluster. -
Classes in org.elasticsearch.cluster used by org.elasticsearch.action.get Class Description ClusterState Represents the current state of the cluster. -
Classes in org.elasticsearch.cluster used by org.elasticsearch.action.ingest Class Description ClusterChangedEvent An event received by the local node, signaling that the cluster state has changed.ClusterState Represents the current state of the cluster.ClusterStateApplier A component that is in charge of applying an incoming cluster state to the node internal data structures. -
Classes in org.elasticsearch.cluster used by org.elasticsearch.action.main Class Description ClusterName -
Classes in org.elasticsearch.cluster used by org.elasticsearch.action.support Class Description ClusterState Represents the current state of the cluster. -
Classes in org.elasticsearch.cluster used by org.elasticsearch.action.support.broadcast Class Description ClusterState Represents the current state of the cluster. -
Classes in org.elasticsearch.cluster used by org.elasticsearch.action.support.broadcast.node Class Description ClusterState Represents the current state of the cluster. -
Classes in org.elasticsearch.cluster used by org.elasticsearch.action.support.master Class Description ClusterState Represents the current state of the cluster. -
Classes in org.elasticsearch.cluster used by org.elasticsearch.action.support.master.info Class Description ClusterState Represents the current state of the cluster. -
Classes in org.elasticsearch.cluster used by org.elasticsearch.action.support.nodes Class Description ClusterName ClusterState Represents the current state of the cluster. -
Classes in org.elasticsearch.cluster used by org.elasticsearch.action.support.replication Class Description ClusterState Represents the current state of the cluster. -
Classes in org.elasticsearch.cluster used by org.elasticsearch.action.support.single.instance Class Description ClusterState Represents the current state of the cluster. -
Classes in org.elasticsearch.cluster used by org.elasticsearch.action.support.single.shard Class Description ClusterState Represents the current state of the cluster. -
Classes in org.elasticsearch.cluster used by org.elasticsearch.action.support.tasks Class Description ClusterState Represents the current state of the cluster. -
Classes in org.elasticsearch.cluster used by org.elasticsearch.action.termvectors Class Description ClusterState Represents the current state of the cluster. -
Classes in org.elasticsearch.cluster used by org.elasticsearch.action.update Class Description ClusterState Represents the current state of the cluster. -
Classes in org.elasticsearch.cluster used by org.elasticsearch.cluster Class Description AbstractNamedDiffable Abstract diffable object with simple diffs implementation that sends the entire object if object has changed or nothing is object remained the same.AckedClusterStateTaskListener ClusterChangedEvent An event received by the local node, signaling that the cluster state has changed.ClusterInfo ClusterInfo is an object representing a map of nodes toDiskUsageand a map of shard ids to shard sizes, seeInternalClusterInfoService.shardIdentifierFromRouting(String)for the key used in the shardSizes mapClusterInfoService Interface for a class used to gather information about a cluster periodically.ClusterName ClusterState Represents the current state of the cluster.ClusterState.Builder ClusterState.Custom ClusterState.FeatureAware An interface that implementors use when a class requires a client to maybe have a feature.ClusterState.Metric ClusterStateListener A listener to be notified when a cluster state changes.ClusterStateObserver.Listener ClusterStateTaskConfig Cluster state update task configuration for timeout and priorityClusterStateTaskExecutor ClusterStateTaskExecutor.ClusterTasksResult Represents the result of a batched execution of cluster state update tasksClusterStateTaskExecutor.ClusterTasksResult.Builder ClusterStateTaskExecutor.TaskResult ClusterStateTaskListener ClusterStateUpdateTask A task that can update the cluster state.Diff Represents difference between states of cluster state partsDiffable Cluster state part, changes in which can be serializedDiffableUtils.DiffableValueSerializer Serializer for Diffable map values.DiffableUtils.ImmutableOpenMapDiff Represents differences between two ImmutableOpenMap of (possibly diffable) objectsDiffableUtils.KeySerializer Provides read and write operations to serialize keys of mapDiffableUtils.MapDiff Represents differences between two maps of objects and is used as base class for different map implementations.DiffableUtils.NonDiffableValueSerializer Serializer for non-diffable map valuesDiffableUtils.StringSetValueSerializer Implementation of ValueSerializer that serializes immutable setsDiffableUtils.ValueSerializer Provides read and write operations to serialize map values.DiskUsage Encapsulation class used to represent the amount of disk used on a node.LocalClusterUpdateTask Used to apply state updates on nodes that are not necessarily masterLocalNodeMasterListener Enables listening to master changes events of the local node (when the local node becomes the master, and when the local node cease being a master).NamedDiff Diff that also support NamedWriteable interfaceNamedDiffable Diff that also supportVersionedNamedWriteableinterfaceRepositoryCleanupInProgress.Entry RestoreInProgress Meta data about restore processes that are currently executingRestoreInProgress.Builder RestoreInProgress.Entry Restore metadataRestoreInProgress.ShardRestoreStatus Represents status of a restored shardRestoreInProgress.State Shard restore process stateSnapshotDeletionsInProgress A class that represents the snapshot deletions that are in progress in the cluster.SnapshotDeletionsInProgress.Entry A class representing a snapshot deletion request entry in the cluster state.SnapshotsInProgress.Entry SnapshotsInProgress.ShardSnapshotStatus SnapshotsInProgress.ShardState SnapshotsInProgress.State -
Classes in org.elasticsearch.cluster used by org.elasticsearch.cluster.action.shard Class Description ClusterChangedEvent An event received by the local node, signaling that the cluster state has changed.ClusterState Represents the current state of the cluster.ClusterStateObserver A utility class which simplifies interacting with the cluster state in cases where one tries to take action based on the current state but may want to wait for a new state and retry upon failure.ClusterStateTaskExecutor ClusterStateTaskExecutor.ClusterTasksResult Represents the result of a batched execution of cluster state update tasksClusterStateTaskListener -
Classes in org.elasticsearch.cluster used by org.elasticsearch.cluster.block Class Description AbstractDiffable Abstract diffable object with simple diffs implementation that sends the entire object if object has changed or nothing is object remained the same.Diff Represents difference between states of cluster state partsDiffable Cluster state part, changes in which can be serialized -
Classes in org.elasticsearch.cluster used by org.elasticsearch.cluster.coordination Class Description ClusterChangedEvent An event received by the local node, signaling that the cluster state has changed.ClusterState Represents the current state of the cluster.ClusterState.Builder ClusterStateTaskExecutor ClusterStateTaskExecutor.ClusterTasksResult Represents the result of a batched execution of cluster state update tasksClusterStateTaskListener Diff Represents difference between states of cluster state parts -
Classes in org.elasticsearch.cluster used by org.elasticsearch.cluster.health Class Description ClusterState Represents the current state of the cluster. -
Classes in org.elasticsearch.cluster used by org.elasticsearch.cluster.metadata Class Description AbstractDiffable Abstract diffable object with simple diffs implementation that sends the entire object if object has changed or nothing is object remained the same.AbstractNamedDiffable Abstract diffable object with simple diffs implementation that sends the entire object if object has changed or nothing is object remained the same.ClusterChangedEvent An event received by the local node, signaling that the cluster state has changed.ClusterState Represents the current state of the cluster.ClusterState.FeatureAware An interface that implementors use when a class requires a client to maybe have a feature.ClusterStateListener A listener to be notified when a cluster state changes.Diff Represents difference between states of cluster state partsDiffable Cluster state part, changes in which can be serializedNamedDiff Diff that also support NamedWriteable interfaceNamedDiffable Diff that also supportVersionedNamedWriteableinterface -
Classes in org.elasticsearch.cluster used by org.elasticsearch.cluster.node Class Description AbstractDiffable Abstract diffable object with simple diffs implementation that sends the entire object if object has changed or nothing is object remained the same.Diff Represents difference between states of cluster state partsDiffable Cluster state part, changes in which can be serialized -
Classes in org.elasticsearch.cluster used by org.elasticsearch.cluster.routing Class Description AbstractDiffable Abstract diffable object with simple diffs implementation that sends the entire object if object has changed or nothing is object remained the same.ClusterChangedEvent An event received by the local node, signaling that the cluster state has changed.ClusterState Represents the current state of the cluster.ClusterStateListener A listener to be notified when a cluster state changes.Diff Represents difference between states of cluster state partsDiffable Cluster state part, changes in which can be serialized -
Classes in org.elasticsearch.cluster used by org.elasticsearch.cluster.routing.allocation Class Description ClusterInfo ClusterInfo is an object representing a map of nodes toDiskUsageand a map of shard ids to shard sizes, seeInternalClusterInfoService.shardIdentifierFromRouting(String)for the key used in the shardSizes mapClusterInfoService Interface for a class used to gather information about a cluster periodically.ClusterState Represents the current state of the cluster.ClusterState.Custom RestoreInProgress Meta data about restore processes that are currently executing -
Classes in org.elasticsearch.cluster used by org.elasticsearch.cluster.service Class Description ClusterChangedEvent An event received by the local node, signaling that the cluster state has changed.ClusterName ClusterState Represents the current state of the cluster.ClusterState.Builder ClusterStateApplier A component that is in charge of applying an incoming cluster state to the node internal data structures.ClusterStateListener A listener to be notified when a cluster state changes.ClusterStateTaskConfig Cluster state update task configuration for timeout and priorityClusterStateTaskExecutor ClusterStateTaskListener LocalNodeMasterListener Enables listening to master changes events of the local node (when the local node becomes the master, and when the local node cease being a master).NodeConnectionsService This component is responsible for maintaining connections from this node to all the nodes listed in the cluster state, and for disconnecting from nodes once they are removed from the cluster state.TimeoutClusterStateListener An exception to cluster state listener that allows for timeouts and for post added notifications. -
Classes in org.elasticsearch.cluster used by org.elasticsearch.common.logging Class Description ClusterState Represents the current state of the cluster.ClusterStateObserver.Listener -
Classes in org.elasticsearch.cluster used by org.elasticsearch.common.settings Class Description LocalNodeMasterListener Enables listening to master changes events of the local node (when the local node becomes the master, and when the local node cease being a master). -
Classes in org.elasticsearch.cluster used by org.elasticsearch.discovery.zen Class Description ClusterChangedEvent An event received by the local node, signaling that the cluster state has changed.ClusterName ClusterState Represents the current state of the cluster.Diff Represents difference between states of cluster state parts -
Classes in org.elasticsearch.cluster used by org.elasticsearch.gateway Class Description ClusterChangedEvent An event received by the local node, signaling that the cluster state has changed.ClusterName ClusterState Represents the current state of the cluster.ClusterStateListener A listener to be notified when a cluster state changes. -
Classes in org.elasticsearch.cluster used by org.elasticsearch.indices Class Description ClusterState Represents the current state of the cluster. -
Classes in org.elasticsearch.cluster used by org.elasticsearch.indices.cluster Class Description ClusterChangedEvent An event received by the local node, signaling that the cluster state has changed.ClusterState Represents the current state of the cluster.ClusterStateApplier A component that is in charge of applying an incoming cluster state to the node internal data structures. -
Classes in org.elasticsearch.cluster used by org.elasticsearch.indices.flush Class Description ClusterState Represents the current state of the cluster. -
Classes in org.elasticsearch.cluster used by org.elasticsearch.indices.store Class Description ClusterChangedEvent An event received by the local node, signaling that the cluster state has changed.ClusterName ClusterStateListener A listener to be notified when a cluster state changes. -
Classes in org.elasticsearch.cluster used by org.elasticsearch.ingest Class Description AbstractDiffable Abstract diffable object with simple diffs implementation that sends the entire object if object has changed or nothing is object remained the same.ClusterChangedEvent An event received by the local node, signaling that the cluster state has changed.ClusterState Represents the current state of the cluster.ClusterState.FeatureAware An interface that implementors use when a class requires a client to maybe have a feature.ClusterStateApplier A component that is in charge of applying an incoming cluster state to the node internal data structures.Diff Represents difference between states of cluster state partsDiffable Cluster state part, changes in which can be serializedNamedDiff Diff that also support NamedWriteable interfaceNamedDiffable Diff that also supportVersionedNamedWriteableinterface -
Classes in org.elasticsearch.cluster used by org.elasticsearch.monitor Class Description ClusterInfoService Interface for a class used to gather information about a cluster periodically. -
Classes in org.elasticsearch.cluster used by org.elasticsearch.monitor.fs Class Description ClusterInfo ClusterInfo is an object representing a map of nodes toDiskUsageand a map of shard ids to shard sizes, seeInternalClusterInfoService.shardIdentifierFromRouting(String)for the key used in the shardSizes mapClusterInfoService Interface for a class used to gather information about a cluster periodically.DiskUsage Encapsulation class used to represent the amount of disk used on a node. -
Classes in org.elasticsearch.cluster used by org.elasticsearch.node Class Description ClusterChangedEvent An event received by the local node, signaling that the cluster state has changed.ClusterInfoService Interface for a class used to gather information about a cluster periodically.ClusterStateListener A listener to be notified when a cluster state changes. -
Classes in org.elasticsearch.cluster used by org.elasticsearch.persistent Class Description AbstractNamedDiffable Abstract diffable object with simple diffs implementation that sends the entire object if object has changed or nothing is object remained the same.ClusterChangedEvent An event received by the local node, signaling that the cluster state has changed.ClusterState Represents the current state of the cluster.ClusterState.FeatureAware An interface that implementors use when a class requires a client to maybe have a feature.ClusterStateListener A listener to be notified when a cluster state changes.Diffable Cluster state part, changes in which can be serializedNamedDiff Diff that also support NamedWriteable interfaceNamedDiffable Diff that also supportVersionedNamedWriteableinterface -
Classes in org.elasticsearch.cluster used by org.elasticsearch.plugins Class Description ClusterState Represents the current state of the cluster. -
Classes in org.elasticsearch.cluster used by org.elasticsearch.repositories Class Description ClusterChangedEvent An event received by the local node, signaling that the cluster state has changed.ClusterStateApplier A component that is in charge of applying an incoming cluster state to the node internal data structures. -
Classes in org.elasticsearch.cluster used by org.elasticsearch.script Class Description AbstractDiffable Abstract diffable object with simple diffs implementation that sends the entire object if object has changed or nothing is object remained the same.ClusterChangedEvent An event received by the local node, signaling that the cluster state has changed.ClusterState Represents the current state of the cluster.ClusterState.FeatureAware An interface that implementors use when a class requires a client to maybe have a feature.ClusterStateApplier A component that is in charge of applying an incoming cluster state to the node internal data structures.Diff Represents difference between states of cluster state partsDiffable Cluster state part, changes in which can be serializedNamedDiff Diff that also support NamedWriteable interfaceNamedDiffable Diff that also supportVersionedNamedWriteableinterface -
Classes in org.elasticsearch.cluster used by org.elasticsearch.search Class Description ClusterState Represents the current state of the cluster. -
Classes in org.elasticsearch.cluster used by org.elasticsearch.snapshots Class Description ClusterChangedEvent An event received by the local node, signaling that the cluster state has changed.ClusterState Represents the current state of the cluster.ClusterStateApplier A component that is in charge of applying an incoming cluster state to the node internal data structures.ClusterStateListener A listener to be notified when a cluster state changes.RestoreInProgress Meta data about restore processes that are currently executingRestoreInProgress.Entry Restore metadataRestoreInProgress.ShardRestoreStatus Represents status of a restored shardRestoreInProgress.State Shard restore process stateSnapshotsInProgress.Entry SnapshotsInProgress.ShardSnapshotStatus -
Classes in org.elasticsearch.cluster used by org.elasticsearch.tasks Class Description ClusterChangedEvent An event received by the local node, signaling that the cluster state has changed.ClusterStateApplier A component that is in charge of applying an incoming cluster state to the node internal data structures. -
Classes in org.elasticsearch.cluster used by org.elasticsearch.transport Class Description ClusterName