/*
 * 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.hudi.adapter;

import org.apache.flink.runtime.operators.coordination.OperatorCoordinator;
import org.apache.flink.runtime.operators.coordination.OperatorEvent;

import javax.annotation.Nullable;

/**
 * Adapter clazz for {@code OperatorCoordinator}.
 */
public interface OperatorCoordinatorAdapter extends OperatorCoordinator {
  void handleEventFromOperator(int i, OperatorEvent operatorEvent) throws Exception;

  @Override
  default void handleEventFromOperator(int i, int attemptNumber, OperatorEvent operatorEvent) throws Exception {
    handleEventFromOperator(i, operatorEvent);
  }

  void subtaskReady(int i, SubtaskGateway subtaskGateway);

  @Override
  default void executionAttemptReady(int i, int attemptNumber, SubtaskGateway subtaskGateway) {
    subtaskReady(i, subtaskGateway);
  }

  @Override
  default void executionAttemptFailed(int i, int attemptNumber, Throwable throwable) {
    subtaskReady(i, null);
  }

  void subtaskFailed(int i, @Nullable Throwable throwable);
}
