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.server.state;
  
  import java.util.List;
  import java.util.Map;
  import java.util.Set;
  
  /**
   * Represents a single instance of a 'Config Type'
   */
  public interface Config {
    Map<PropertyInfo.PropertyType, Set<String>> getPropertiesTypes();
  
    void setPropertiesTypes(Map<PropertyInfo.PropertyType, Set<String>> propertiesTypes);
  
    /**
     * @return Config Type
     */
    String getType();
  
    /**
     * @return Version Tag this config instance is mapped to
     */
    String getTag();
  
    /**
     * Gets the stack that this configuration belongs to.
     *
     * @return the stack (not {@code null).
     */
    StackId getStackId();
  
    /**
     *
     * @return version of config by type
     */
    Long getVersion();
  
    /**
     * @return Properties that define this config instance
     */
    Map<String, String> getProperties();
  
    /**
     * @return Map of attributes in this config-type to value per property
     */
    Map<String, Map<String, String>> getPropertiesAttributes();
  
    /**
     * Replace properties with new provided set
     * @param properties Property Map to replace existing one
     */
    void setProperties(Map<String, String> properties);
  
    /**
     * Replace property attributes with new provided set
     * @param propertiesAttributes Property Attributes Map to replace existing one
     */
    void setPropertiesAttributes(Map<String, Map<String, String>> propertiesAttributes);
  
    /**
     * Update provided properties' values.
     * @param properties Property Map with updated values
     */
    void updateProperties(Map<String, String> properties);
  
    /**
     * Ger service config versions containing this config
     * @return
     */
    List<Long> getServiceConfigVersions();
  
    /**
     * Delete certain properties
     * @param properties Property keys to be deleted
     */
    void deleteProperties(List<String> properties);
  
    /**
     * Persist the configuration.
     */
    void save();
  
    /**
     * @return the cluster where this config belongs to
     */
    Cluster getCluster();
  }
  