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.cassandra.sidecar.lifecycle;
  
  import org.apache.cassandra.sidecar.cluster.instance.InstanceMetadata;
  
  /**
   * Manages the lifecycle of Cassandra instances through Sidecar
   */
  public interface LifecycleProvider
  {
      /**
       * Start a Cassandra process
       *
       *  @param instance Cassandra instance metadata
       */
      void start(InstanceMetadata instance);
  
      /**
       * Stop a Cassandra process
       *
       * @param instance Cassandra instance metadata
       */
      void stop(InstanceMetadata instance);
  
      /**
       * Check whether a Cassandra process is running or not
       *
       * @param instance Cassandra instance metadata
       * @return true if the Cassandra process is running
       */
      boolean isRunning(InstanceMetadata instance);
  
  }
  