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.sdk.extensions.euphoria.core.translate;
  
  import java.util.Optional;
  import org.apache.beam.sdk.Pipeline;
  import org.apache.beam.sdk.extensions.euphoria.core.client.operator.base.Operator;
  
  /**
   * Simple interface that allows user to define translation of his own.
   *
   * @deprecated Use Java SDK directly, Euphoria is scheduled for removal in a future release.
   */
  @Deprecated
  public interface TranslatorProvider {
  
    static TranslatorProvider of(Pipeline pipeline) {
      return pipeline.getOptions().as(EuphoriaOptions.class).getTranslatorProvider();
    }
  
    /**
     * Find translation for the given operator. It is possible that no translation exists for the
     * operator. You can provide your own provider using {@link EuphoriaOptions}.
     *
     * @param operator operator to translate
     * @param <InputT> input type
     * @param <OutputT> output type
     * @param <OperatorT> operator type
     * @return translation if available
     */
    <InputT, OutputT, OperatorT extends Operator<OutputT>>
        Optional<OperatorTranslator<InputT, OutputT, OperatorT>> findTranslator(OperatorT operator);
  }
  