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.ambari.spi.upgrade;
  
  /**
   * Type of prerequisite check.
   */
  public enum UpgradeCheckType {
    /**
     * The upgrade check is for a specific service.
     */
    SERVICE,
  
    /**
     * The upgrade check is meant to check information or state regarding a host
     * or its components/repos.
     */
    HOST,
  
    /**
     * The check is for the cluster's state and is not dependendant on a stack or
     * service installed.
     */
    CLUSTER
  }
  