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.beam.runners.dataflow.util;
  
  import com.google.auto.service.AutoService;
  import java.util.Map;
  import java.util.ServiceLoader;
  import org.apache.beam.sdk.coders.Coder;
  
  /**
   * {@link Coder} authors have the ability to automatically have their {@link Coder} registered with
   * the Dataflow Runner by creating a {@link ServiceLoader} entry and a concrete implementation of
   * this interface.
   *
   * <p>It is optional but recommended to use one of the many build time tools such as {@link
   * AutoService} to generate the necessary META-INF files automatically.
   */
  @SuppressWarnings({
    "rawtypes" // TODO(https://github.com/apache/beam/issues/20447)
  })
  public interface CoderCloudObjectTranslatorRegistrar {
    /**
     * Gets a map from {@link Coder} to a {@link CloudObjectTranslator} that can translate that {@link
     * Coder}.
     */
    Map<Class<? extends Coder>, CloudObjectTranslator<? extends Coder>> classesToTranslators();
  
    /**
     * Gets a map from the name returned by {@link CloudObject#getClassName()} to a translator that
     * can convert into the equivalent {@link Coder}.
     */
    Map<String, CloudObjectTranslator<? extends Coder>> classNamesToTranslators();
  }
  