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;
  
  import java.util.EnumSet;
  
  /**
   * Identifies the type of repository
   */
  public enum RepositoryType {
  
    /**
     * Repository should be considered to have all components for a cluster
     * deployment.
     */
    STANDARD,
  
    /**
     * Repository may have only minimum components and is used for patching
     * purposes.
     */
    PATCH,
  
    /**
     * Repository is used as Maintenance release, which could be several patches rolled up in one.
     * Orchestration should treat Maintenance just as it does for Patch..
     */
    MAINT,
  
    /**
     * Repository is used to update services.
     */
    SERVICE;
  
    /**
     * The types of repositories which are revertable.
     */
    public static final EnumSet<RepositoryType> REVERTABLE = EnumSet.of(RepositoryType.MAINT,
        RepositoryType.PATCH);
  
    /**
     * The types of repositories which can participate in an upgrade where only
     * some services are orchestrated.
     */
    public static final EnumSet<RepositoryType> PARTIAL = EnumSet.of(RepositoryType.MAINT,
        RepositoryType.PATCH, RepositoryType.SERVICE);
  
    /**
     * Gets whether applications of this repository are revertable after they have
     * been finalized.
     *
     * @return {@code true} if the repository can be revert, {@code false}
     *         otherwise.
     */
    public boolean isRevertable() {
      switch (this) {
        case MAINT:
        case PATCH:
          return true;
        case SERVICE:
        case STANDARD:
          return false;
        default:
          return false;
      }
    }
  
    /**
     * Gets whether this repository type can be used to upgrade only a subset of
     * services.
     *
     * @return {@code true} if the repository can be be applied to a subset of
     *         isntalled services, {@code false} otherwise.
     */
    public boolean isPartial() {
      return PARTIAL.contains(this);
    }
  }
  