import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Set;
import javax.annotation.Nullable;
import org.apache.pinot.spi.data.FieldSpec;
import org.apache.pinot.spi.data.Schema;
import org.apache.pinot.spi.data.readers.GenericRow;
import org.apache.pinot.spi.data.readers.RecordReader;
import org.apache.pinot.spi.data.readers.RecordReaderConfig;
import org.apache.pinot.spi.data.readers.RecordReaderUtils;


/**
 * Record reader for AVRO file.
 */
public class TestRecordReader implements RecordReader {

  List<GenericRow> _rows = new ArrayList<>();
  Iterator<GenericRow> _iterator;

  public void init(File dataFile, Set<String> fields, @Nullable RecordReaderConfig recordReaderConfig)
      throws IOException {
    int numRows = 10;
    for (int i = 0; i < numRows; i++) {
      GenericRow row = new GenericRow();
      row.putValue("key", "value-" + i);
      _rows.add(row);
    }
    _iterator = _rows.iterator();
  }

  public boolean hasNext() {
    return _iterator.hasNext();
  }

  public GenericRow next()
      throws IOException {
    return _iterator.next();
  }

  public GenericRow next(GenericRow reuse)
      throws IOException {
    return _iterator.next();
  }

  public void rewind()
      throws IOException {
    _iterator = _rows.iterator();
  }

  public void close() {

  }
}
@@ -1,20 +1,829 @@
+/**%0A * Licensed to the Apache Software Foundation (ASF) under one%0A * or more contributor license agreements.  See the NOTICE file%0A * distributed with this work for additional information%0A * regarding copyright ownership.  The ASF licenses this file%0A * to you under the Apache License, Version 2.0 (the%0A * %22License%22); you may not use this file except in compliance%0A * with the License.  You may obtain a copy of the License at%0A *%0A *   http://www.apache.org/licenses/LICENSE-2.0%0A *%0A * Unless required by applicable law or agreed to in writing,%0A * software distributed under the License is distributed on an%0A * %22AS IS%22 BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY%0A * KIND, either express or implied.  See the License for the%0A * specific language governing permissions and limitations%0A * under the License.%0A */%0A
 import java.io.File;

Add the header to TestRecordReader.java (#5537)