/*
 * 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.iceberg.flink.sink;

import java.util.Map;
import org.apache.flink.streaming.api.operators.ChainingStrategy;
import org.apache.flink.streaming.api.operators.OneInputStreamOperatorFactory;
import org.apache.flink.streaming.api.operators.StreamOperator;
import org.apache.flink.streaming.api.operators.StreamOperatorParameters;
import org.apache.iceberg.PartitionSpec;
import org.apache.iceberg.flink.TableLoader;

class IcebergFilesCommitterFactory
    implements OneInputStreamOperatorFactory<FlinkWriteResult, Void> {

  private final TableLoader tableLoader;
  private final boolean overwriteMode;
  private final Map<String, String> snapshotProperties;
  private final int workerPoolSize;
  private final String branch;
  private final PartitionSpec spec;

  IcebergFilesCommitterFactory(
      TableLoader tableLoader,
      boolean overwriteMode,
      Map<String, String> snapshotProperties,
      int workerPoolSize,
      String branch,
      PartitionSpec spec) {
    this.tableLoader = tableLoader;
    this.overwriteMode = overwriteMode;
    this.snapshotProperties = snapshotProperties;
    this.workerPoolSize = workerPoolSize;
    this.branch = branch;
    this.spec = spec;
  }

  @Override
  public StreamOperator createStreamOperator(StreamOperatorParameters parameters) {
    return new IcebergFilesCommitter(
        parameters, tableLoader, overwriteMode, snapshotProperties, workerPoolSize, branch, spec);
  }

  @Override
  public void setChainingStrategy(ChainingStrategy strategy) {}

  @Override
  public ChainingStrategy getChainingStrategy() {
    return ChainingStrategy.ALWAYS;
  }

  @Override
  public Class<? extends StreamOperator<Void>> getStreamOperatorClass(ClassLoader classLoader) {
    return IcebergFilesCommitter.class;
  }
}
