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.cql3.statements.schema;
  
  import java.util.*;
  
  import org.apache.cassandra.cql3.statements.PropertyDefinitions;
  import org.apache.cassandra.exceptions.InvalidRequestException;
  import org.apache.cassandra.exceptions.RequestValidationException;
  import org.apache.cassandra.exceptions.SyntaxException;
  
  public class IndexAttributes extends PropertyDefinitions
  {
      private static final String KW_OPTIONS = "options";
  
      private static final Set<String> keywords = new HashSet<>();
      private static final Set<String> obsoleteKeywords = new HashSet<>();
  
      public boolean isCustom;
      public String customClass;
  
      static
      {
          keywords.add(KW_OPTIONS);
      }
  
      public void validate() throws RequestValidationException
      {
          validate(keywords, obsoleteKeywords);
  
          if (isCustom && customClass == null)
              throw new InvalidRequestException("CUSTOM index requires specifiying the index class");
  
          if (!isCustom && customClass != null)
              throw new InvalidRequestException("Cannot specify index class for a non-CUSTOM index");
  
          if (!isCustom && !properties.isEmpty())
              throw new InvalidRequestException("Cannot specify options for a non-CUSTOM index");
  
          if (getRawOptions().containsKey(IndexTarget.CUSTOM_INDEX_OPTION_NAME))
              throw new InvalidRequestException(String.format("Cannot specify %s as a CUSTOM option",
                                                              IndexTarget.CUSTOM_INDEX_OPTION_NAME));
  
          if (getRawOptions().containsKey(IndexTarget.TARGET_OPTION_NAME))
              throw new InvalidRequestException(String.format("Cannot specify %s as a CUSTOM option",
                                                              IndexTarget.TARGET_OPTION_NAME));
  
      }
  
      private Map<String, String> getRawOptions() throws SyntaxException
      {
          Map<String, String> options = getMap(KW_OPTIONS);
          return options == null ? Collections.emptyMap() : options;
      }
  
      public Map<String, String> getOptions() throws SyntaxException
      {
          Map<String, String> options = new HashMap<>(getRawOptions());
          options.put(IndexTarget.CUSTOM_INDEX_OPTION_NAME, customClass);
          return options;
      }
  }
  