io.scalecube.cluster.IManagedClusterMembership Maven / Gradle / Ivy

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package io.scalecube.cluster;

import com.google.common.util.concurrent.ListenableFuture;

/**
 * Extends cluster membership protocol interface and provides management operations. This interface is supposed for
 * internal use.
 *
 * @author Anton Kharenko
 */
public interface IManagedClusterMembership extends IClusterMembership {

  /**
   * Starts running cluster membership protocol. After started it begins to receive and send cluster membership messages
   */
  ListenableFuture start();

  /** Stops running cluster membership protocol and releases occupied resources. */
  void stop();

  /**
   * Denoting fact that local member is getting gracefully shutdown. It will notify other members that going to be
   * stopped soon. After calling this method recommended to wait some reasonable amount of time to start spreading
   * inforamtion about leave before stopping server.
   */
  void leave();

}