/*
 * 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.xtable.parquet;

import org.apache.xtable.conversion.ConversionSourceProvider;
import org.apache.xtable.conversion.SourceTable;
import org.apache.xtable.hudi.PathBasedPartitionSpecExtractor;

/** A concrete implementation of {@link ConversionSourceProvider} for Parquet file format. */
public class ParquetConversionSourceProvider extends ConversionSourceProvider<Long> {
  @Override
  public ParquetConversionSource getConversionSourceInstance(SourceTable sourceTable) {
    final PathBasedPartitionSpecExtractor sourcePartitionSpecExtractor =
        ParquetSourceConfig.fromProperties(sourceTable.getAdditionalProperties())
            .loadSourcePartitionSpecExtractor();
    ParquetPartitionValueExtractor partitionValueExtractor =
        new ParquetPartitionValueExtractor(
            sourcePartitionSpecExtractor.getPathToPartitionFieldFormat());
    ParquetDataManager dataManager =
        new ParquetDataManager(this.hadoopConf, sourceTable.getBasePath());
    return ParquetConversionSource.builder()
        .tableName(sourceTable.getName())
        .basePath(sourceTable.getBasePath())
        .hadoopConf(this.hadoopConf)
        .partitionSpecExtractor(sourcePartitionSpecExtractor)
        .partitionValueExtractor(partitionValueExtractor)
        .parquetDataManager(dataManager)
        .build();
  }
}
