spark/src/test/java/org/apache/iceberg/spark/source/TestSparkWriterFactory.java

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 * 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,
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package org.apache.iceberg.spark.source;

import java.util.List;
import org.apache.iceberg.FileFormat;
import org.apache.iceberg.Schema;
import org.apache.iceberg.io.TestWriterFactory;
import org.apache.iceberg.io.WriterFactory;
import org.apache.iceberg.spark.SparkSchemaUtil;
import org.apache.iceberg.util.ArrayUtil;
import org.apache.iceberg.util.StructLikeSet;
import org.apache.spark.sql.catalyst.InternalRow;
import org.apache.spark.sql.catalyst.expressions.GenericInternalRow;
import org.apache.spark.sql.types.StructType;
import org.apache.spark.unsafe.types.UTF8String;

public class TestSparkWriterFactory extends TestWriterFactory<InternalRow> {

  public TestSparkWriterFactory(FileFormat fileFormat, boolean partitioned) {
    super(fileFormat, partitioned);
  }

  @Override
  protected WriterFactory<InternalRow> newWriterFactory(Schema dataSchema, List<Integer> equalityFieldIds,
                                                        Schema equalityDeleteRowSchema,
                                                        Schema positionDeleteRowSchema) {
    return SparkWriterFactory.builderFor(table)
        .dataSchema(table.schema())
        .dataFileFormat(format())
        .deleteFileFormat(format())
        .equalityFieldIds(ArrayUtil.toIntArray(equalityFieldIds))
        .equalityDeleteRowSchema(equalityDeleteRowSchema)
        .positionDeleteRowSchema(positionDeleteRowSchema)
        .build();
  }

  @Override
  protected InternalRow toRow(Integer id, String data) {
    InternalRow row = new GenericInternalRow(2);
    row.update(0, id);
    row.update(1, UTF8String.fromString(data));
    return row;
  }

  @Override
  protected StructLikeSet toSet(Iterable<InternalRow> rows) {
    StructLikeSet set = StructLikeSet.create(table.schema().asStruct());
    StructType sparkType = SparkSchemaUtil.convert(table.schema());
    for (InternalRow row : rows) {
      InternalRowWrapper wrapper = new InternalRowWrapper(sparkType);
      set.add(wrapper.wrap(row));
    }
    return set;
  }
}