/*
    * 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.shardingsphere.encrypt.rule.changed;
  
  import org.apache.shardingsphere.encrypt.config.EncryptRuleConfiguration;
  import org.apache.shardingsphere.encrypt.rule.EncryptRule;
  import org.apache.shardingsphere.infra.algorithm.core.config.AlgorithmConfiguration;
  import org.apache.shardingsphere.infra.algorithm.core.processor.AlgorithmChangedProcessor;
  import org.apache.shardingsphere.mode.spi.rule.RuleChangedItemType;
  
  import java.util.LinkedHashMap;
  import java.util.LinkedList;
  import java.util.Map;
  
  /**
   * Encryptor changed processor.
   */
  public final class EncryptorChangedProcessor extends AlgorithmChangedProcessor<EncryptRuleConfiguration> {
      
      public EncryptorChangedProcessor() {
          super(EncryptRule.class);
      }
      
      @Override
      protected EncryptRuleConfiguration createEmptyRuleConfiguration() {
          return new EncryptRuleConfiguration(new LinkedList<>(), new LinkedHashMap<>());
      }
      
      @Override
      protected Map<String, AlgorithmConfiguration> getAlgorithmConfigurations(final EncryptRuleConfiguration currentRuleConfig) {
          return currentRuleConfig.getEncryptors();
      }
      
      @Override
      public RuleChangedItemType getType() {
          return new RuleChangedItemType("encrypt", "encryptors");
      }
  }