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.db.guardrails;
  
  import java.util.Optional;
  
  import javax.annotation.Nonnull;
  
  import org.apache.cassandra.exceptions.ConfigurationException;
  
  /**
   * Validator which does nothing when it validates a value. It never fails nor warns, it
   * has the empty configuration which is valid.
   */
  public class NoOpValidator<T> extends ValueValidator<T>
  {
      private static final CustomGuardrailConfig config = new CustomGuardrailConfig();
  
      public NoOpValidator(CustomGuardrailConfig unused)
      {
          super(NoOpValidator.config);
      }
  
      @Override
      public Optional<ValidationViolation> shouldWarn(T value, boolean calledBySuperuser)
      {
          return Optional.empty();
      }
  
      @Override
      public Optional<ValidationViolation> shouldFail(T value, boolean calledBySuperUser)
      {
          return Optional.empty();
      }
  
      @Nonnull
      @Override
      public CustomGuardrailConfig getParameters()
      {
          return config;
      }
  
      @Override
      public void validateParameters() throws ConfigurationException
      {
      }
  }
  