content: /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you under the Apache License, Version 2.0 (the
   * "License"); you may not use this file except in compliance
   * with the License.  You may obtain a copy of the License at
   *
   *   http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing,
   * software distributed under the License is distributed on an
   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   * KIND, either express or implied.  See the License for the
   * specific language governing permissions and limitations
   * under the License.
   */
  package org.apache.asterix.common.replication;
  
  import java.net.InetSocketAddress;
  
  import org.apache.asterix.common.cluster.IClusterStateManager;
  import org.apache.hyracks.api.exceptions.HyracksDataException;
  
  public interface INcLifecycleCoordinator {
  
      /**
       * Defines the logic of a {@link INcLifecycleCoordinator} when a node joins the cluster.
       *
       * @param nodeId
       * @throws HyracksDataException
       */
      void notifyNodeJoin(String nodeId) throws HyracksDataException;
  
      /**
       * Defines the logic of a {@link INcLifecycleCoordinator} when a node leaves the cluster.
       *
       * @param nodeId
       * @param replicaAddress
       * @throws HyracksDataException
       */
      void notifyNodeFailure(String nodeId, InetSocketAddress replicaAddress) throws HyracksDataException;
  
      /**
       * Binds the coordinator to {@code cluserManager}.
       *
       * @param clusterManager
       */
      void bindTo(IClusterStateManager clusterManager);
  
      /**
       * Processes {@code message} based on the message type.
       *
       * @param message
       * @throws HyracksDataException
       */
      void process(INCLifecycleMessage message) throws HyracksDataException;
  
      /**
       * Performs the required steps to change the metadata node to {@code node}
       *
       * @param node
       */
      void notifyMetadataNodeChange(String node) throws HyracksDataException;
  }
  