/// <summary>
/// Appends data to the end of the Avro file currently being written to.
/// </summary>
/// <param name="fields">An array of strings containing the data to be appended.</param>
/// <exception cref="InvalidOperationException">Thrown when some fields have null values that are not allowed by the schema.</exception>
/// <exception cref="FormatException">Thrown when a field value cannot be converted to the data type for that field in the schema.</exception>
/// <exception cref="NotSupportedException">Thrown when a particular data type is not supported for a field in the schema.</exception>
public void Append(string[] fields)
{
GenericRecord record = GetGenericRecord(fields);
IEnumerable <Field> invalidNullFields = GetInvalidNullFields(record);
if (invalidNullFields.Any())
{
throw new InvalidOperationException(
$"There are fields with null, values but the schema does not allow for null: {string.Join(", ", invalidNullFields)}.");
}
_dataFileWriter.Append(record);
}
/// <summary>
/// Appends data to the end of the Avro file currently being written to.
/// </summary>
/// <param name="record">A record of a type that implements ISpecificRecord.</param>
/// <param name="fields">An array of strings containing the data to be appended.</param>
/// <exception cref="ArgumentNullException"><paramref name="record">record</paramref> is null.</exception>
/// <exception cref="InvalidOperationException">Thrown when some fields have null values that are not allowed by the schema.</exception>
/// <exception cref="FormatException">Thrown when a field value cannot be converted to the data type for that field in the schema.</exception>
/// <exception cref="NotSupportedException">Thrown when a particular data type is not supported for a field in the schema.</exception>
public void Append(T record, string[] fields)
{
if (record == null)
{
throw new ArgumentNullException(nameof(record));
}
PopulateSpecificRecord(record, fields);
IEnumerable <Field> invalidNullFields = GetInvalidNullFields(record);
if (invalidNullFields.Any())
{
throw new InvalidOperationException(
$"There are fields with null, values but the schema does not allow for null: {string.Join(", ", invalidNullFields)}.");
}
_dataFileWriter.Append(record);
}