Package org.elasticsearch.cluster.service

Class ClusterApplierService

java.lang.Object
org.elasticsearch.common.component.AbstractLifecycleComponent
org.elasticsearch.cluster.service.ClusterApplierService
All Implemented Interfaces:
Closeable, AutoCloseable, ClusterApplier, LifecycleComponent, org.elasticsearch.core.Releasable
public class ClusterApplierService extends AbstractLifecycleComponent implements ClusterApplier

  • Field Details

    • CLUSTER_SERVICE_SLOW_TASK_LOGGING_THRESHOLD_SETTING

      public static final Setting<org.elasticsearch.core.TimeValue> CLUSTER_SERVICE_SLOW_TASK_LOGGING_THRESHOLD_SETTING

    • CLUSTER_UPDATE_THREAD_NAME

      public static final String CLUSTER_UPDATE_THREAD_NAME
      See Also:
      Constant Field Values

    • threadPool

      protected final ThreadPool threadPool

  • Constructor Details

  • Method Details

    • setNodeConnectionsService

      public void setNodeConnectionsService​(NodeConnectionsService nodeConnectionsService)

    • setInitialState

      public void setInitialState​(ClusterState initialState)
      Description copied from interface: ClusterApplier
      Sets the initial state for this applier. Should only be called once.
      Specified by:
      setInitialState in interface ClusterApplier
      Parameters:
      initialState - the initial state to set

    • doStart

      protected void doStart()
      Specified by:
      doStart in class AbstractLifecycleComponent

    • createThreadPoolExecutor

      protected PrioritizedEsThreadPoolExecutor createThreadPoolExecutor()

    • doStop

      protected void doStop()
      Specified by:
      doStop in class AbstractLifecycleComponent

    • doClose

      protected void doClose()
      Specified by:
      doClose in class AbstractLifecycleComponent

    • state

      public ClusterState state()
      The current cluster state. Should be renamed to appliedClusterState

    • addHighPriorityApplier

      public void addHighPriorityApplier​(ClusterStateApplier applier)
      Adds a high priority applier of updated cluster states.

    • addLowPriorityApplier

      public void addLowPriorityApplier​(ClusterStateApplier applier)
      Adds an applier which will be called after all high priority and normal appliers have been called.

    • addStateApplier

      public void addStateApplier​(ClusterStateApplier applier)
      Adds a applier of updated cluster states.

    • removeApplier

      public void removeApplier​(ClusterStateApplier applier)
      Removes an applier of updated cluster states.

    • addListener

      public void addListener​(ClusterStateListener listener)
      Add a listener for updated cluster states

    • removeListener

      public void removeListener​(ClusterStateListener listener)
      Removes a listener for updated cluster states.

    • removeTimeoutListener

      public void removeTimeoutListener​(TimeoutClusterStateListener listener)
      Removes a timeout listener for updated cluster states.

    • addLocalNodeMasterListener

      public void addLocalNodeMasterListener​(LocalNodeMasterListener listener)
      Add a listener for on/off local node master events

    • addTimeoutListener

      public void addTimeoutListener​(@Nullable org.elasticsearch.core.TimeValue timeout, TimeoutClusterStateListener listener)
      Adds a cluster state listener that is expected to be removed during a short period of time. If provided, the listener will be notified once a specific time has elapsed. NOTE: the listener is not removed on timeout. This is the responsibility of the caller.

    • runOnApplierThread

      public void runOnApplierThread​(String source, Consumer<ClusterState> clusterStateConsumer, ClusterApplier.ClusterApplyListener listener, Priority priority)

    • runOnApplierThread

      public void runOnApplierThread​(String source, Consumer<ClusterState> clusterStateConsumer, ClusterApplier.ClusterApplyListener listener)

    • threadPool

      public ThreadPool threadPool()

    • onNewClusterState

      public void onNewClusterState​(String source, Supplier<ClusterState> clusterStateSupplier, ClusterApplier.ClusterApplyListener listener)
      Description copied from interface: ClusterApplier
      Method to invoke when a new cluster state is available to be applied
      Specified by:
      onNewClusterState in interface ClusterApplier
      Parameters:
      source - information where the cluster state came from
      clusterStateSupplier - the cluster state supplier which provides the latest cluster state to apply
      listener - callback that is invoked after cluster state is applied

    • assertNotClusterStateUpdateThread

      public static boolean assertNotClusterStateUpdateThread​(String reason)
      asserts that the current thread is NOT the cluster state update thread

    • connectToNodesAndWait

      protected void connectToNodesAndWait​(ClusterState newClusterState)

    • currentTimeInMillis

      protected long currentTimeInMillis()

    • applicationMayFail

      protected boolean applicationMayFail()