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;
  
  import org.apache.cassandra.auth.DataResource;
  import org.apache.cassandra.auth.IResource;
  import org.apache.cassandra.cql3.CQLStatement;
  import org.apache.cassandra.cql3.QueryOptions;
  import org.apache.cassandra.exceptions.InvalidRequestException;
  import org.apache.cassandra.exceptions.RequestExecutionException;
  import org.apache.cassandra.exceptions.RequestValidationException;
  import org.apache.cassandra.service.ClientState;
  import org.apache.cassandra.service.QueryState;
  import org.apache.cassandra.transport.Dispatcher;
  import org.apache.cassandra.transport.messages.ResultMessage;
  import org.apache.commons.lang3.builder.ToStringBuilder;
  import org.apache.commons.lang3.builder.ToStringStyle;
  
  public abstract class AuthorizationStatement extends CQLStatement.Raw implements CQLStatement
  {
      public AuthorizationStatement prepare(ClientState state)
      {
          return this;
      }
  
      @Override
      public ResultMessage execute(QueryState state, QueryOptions options, Dispatcher.RequestTime requestTime)
      throws RequestValidationException, RequestExecutionException
      {
          return execute(state.getClientState());
      }
  
      public abstract ResultMessage execute(ClientState state) throws RequestValidationException, RequestExecutionException;
  
      public ResultMessage executeLocally(QueryState state, QueryOptions options)
      {
          // executeLocally is for local query only, thus altering permission doesn't make sense and is not supported
          throw new UnsupportedOperationException();
      }
  
      public static IResource maybeCorrectResource(IResource resource, ClientState state) throws InvalidRequestException
      {
          if (DataResource.class.isInstance(resource))
          {
              DataResource dataResource = (DataResource) resource;
              if (dataResource.isTableLevel() && dataResource.getKeyspace() == null)
                  return DataResource.table(state.getKeyspace(), dataResource.getTable());
          }
          return resource;
      }
      
      @Override
      public String toString()
      {
          return ToStringBuilder.reflectionToString(this, ToStringStyle.SHORT_PREFIX_STYLE);
      }
  }
  