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 com.datastax.oss.driver.internal.mapper.processor;
  
  import com.squareup.javapoet.MethodSpec;
  import java.util.Optional;
  
  /** A component that generates a single method. */
  public interface MethodGenerator {
  
    /**
     * @return empty if an error occurred during generation. In that case, the caller doesn't have
     *     anything to do: it's the generator's responsibility to report the error via {@link
     *     DecoratedMessager}.
     */
    Optional<MethodSpec> generate();
  
    /**
     * Whether the generated method requires the Reactive Streams API.
     *
     * <p>If true, the generated DAO class will inherit from {@link
     * com.datastax.dse.driver.internal.mapper.reactive.ReactiveDaoBase}, otherwise it will inherit
     * from {@link com.datastax.oss.driver.internal.mapper.DaoBase}.
     *
     * <p>Only generated methods returning {@link
     * com.datastax.dse.driver.api.core.cql.reactive.ReactiveResultSet} and {@link
     * com.datastax.dse.driver.api.mapper.reactive.MappedReactiveResultSet} should return true here.
     */
    default boolean requiresReactive() {
      return false;
    }
  }
  