Package io.deephaven.importers

Class BaseImportFieldWriter

java.lang.Object
io.deephaven.importers.ImportFieldWriter
io.deephaven.importers.BaseImportFieldWriter
Direct Known Subclasses:
BaseCsvFieldWriter, CsvColumnDataTransformer
public class BaseImportFieldWriter extends ImportFieldWriter
Holds the methods common to both CsvFieldWriter and CsvColumnDataTransformer.

  • Constructor Details

    • BaseImportFieldWriter

      public BaseImportFieldWriter(Logger log, String dbColumnName, String arrayDelimiter)
      Parameters:
      log - the passed-down logger
      dbColumnName - the column name
      arrayDelimiter - the delimiter for array types (if applicable)

  • Method Details

    • getShort

      @DynamicUse public static short getShort(@NotNull @NotNull String value, @Nullable @Nullable String columnName, @NotNull @NotNull Logger log, boolean strict, boolean failDefault, short onEmpty)
      Reads a short value from a CSVRecord
      Parameters:
      value - The value of the named column in the current row in the import file
      columnName - The column name from which the value should be read
      log - The passed-down logger
      strict - Whether strict (true) or permissive (false) import rules are being used
      failDefault - Whether (true) to use the default value (onEmpty) if parsing/conversion of the source value fails
      onEmpty - A default value that may be used if the source is empty or parsing fails
      Returns:
      the converted value, or the onEmpty value, depending on strict, failDefault, and the source value itself

    • getInt

      @DynamicUse public static int getInt(@NotNull @NotNull String value, @Nullable @Nullable String columnName, @NotNull @NotNull Logger log, boolean strict, boolean failDefault, int onEmpty)
      Reads an int value from a CSVRecord
      Parameters:
      value - The value of the named column in the current row in the import file
      columnName - The column name from which the value should be read
      log - The passed-down logger
      strict - Whether strict (true) or permissive (false) import rules are being used
      failDefault - Whether (true) to use the default value (onEmpty) if parsing/conversion of the source value fails
      onEmpty - A default value that may be used if the source is empty or parsing fails
      Returns:
      the converted value, or the onEmpty value, depending on strict, failDefault, and the source value itself

    • getLong

      @DynamicUse public static long getLong(@NotNull @NotNull String value, @Nullable @Nullable String columnName, @NotNull @NotNull Logger log, boolean strict, boolean failDefault, long onEmpty)
      Reads a long value from a CSVRecord
      Parameters:
      value - The value of the named column in the current row in the import file
      columnName - The column name from which the value should be read
      log - The passed-down logger
      strict - Whether strict (true) or permissive (false) import rules are being used
      failDefault - Whether (true) to use the default value (onEmpty) if parsing/conversion of the source value fails
      onEmpty - A default value that may be used if the source is empty or parsing fails
      Returns:
      the converted value, or the onEmpty value, depending on strict, failDefault, and the source value itself

    • getISONanos

      @DynamicUse public static long getISONanos(@Nullable @Nullable String value, @Nullable @Nullable String columnName, @NotNull @NotNull Logger log, boolean strict, boolean failDefault, long onEmpty)
      Reads a ISO formatted date value from a CSVRecord and converts it to nanoseconds since the epoch. This parser is a little less strict than ISO, in that it will accept time zone offsets without colons.
      Parameters:
      value - The value of the named column in the current row in the import file
      columnName - The column name from which the value should be read
      log - The passed-down logger
      strict - Whether strict (true) or permissive (false) import rules are being used
      failDefault - Whether (true) to use the default value (onEmpty) if parsing/conversion of the source value fails
      onEmpty - A default value that may be used if the source is empty or parsing fails
      Returns:
      the converted value, or the onEmpty value, depending on strict, failDefault, and the source value itself

    • getDouble

      @DynamicUse public static double getDouble(@NotNull @NotNull String value, @Nullable @Nullable String columnName, @NotNull @NotNull Logger log, boolean strict, boolean failDefault, double onEmpty)
      Reads a double value from a CSVRecord
      Parameters:
      value - The value of the named column in the current row in the import file
      columnName - The column name from which the value should be read
      log - The passed-down logger
      strict - Whether strict (true) or permissive (false) import rules are being used
      failDefault - Whether (true) to use the default value (onEmpty) if parsing/conversion of the source value fails
      onEmpty - A default value that may be used if the source is empty or parsing fails
      Returns:
      the converted value, or the onEmpty value, depending on strict, failDefault, and the source value itself

    • getBigDecimal

      @DynamicUse public static BigDecimal getBigDecimal(@NotNull @NotNull String value, @Nullable @Nullable String columnName, @NotNull @NotNull Logger log, boolean strict, boolean failDefault, @Nullable @Nullable BigDecimal onEmpty)
      Reads a BigDecimal value from a CSVRecord
      Parameters:
      value - The value of the named column in the current row in the import file
      columnName - The column name from which the value should be read
      log - The passed-down logger
      strict - Whether strict (true) or permissive (false) import rules are being used
      failDefault - Whether (true) to use the default value (onEmpty) if parsing/conversion of the source value fails
      onEmpty - A default value that may be used if the source is empty or parsing fails
      Returns:
      the converted value, or the onEmpty value, depending on strict, failDefault, and the source value itself

    • getLocalDate

      @DynamicUse public static LocalDate getLocalDate(@NotNull @NotNull String value, @Nullable @Nullable String columnName, @NotNull @NotNull Logger log, boolean strict, boolean failDefault, @Nullable @Nullable LocalDate onEmpty)
      Read a LocalDate value from a CSVRecord.
      Parameters:
      value - The value of the named column in the current row in the import file
      columnName - The column name from which the value should be read
      log - The passed-down logger
      strict - Whether strict (true) or permissive (false) import rules are being used
      failDefault - Whether (true) to use the default value (onEmpty) if parsing/conversion of the source value fails
      onEmpty - A default value that may be used if the source is empty or parsing fails
      Returns:
      the converted value, or the onEmpty value, depending on strict, failDefault, and the source value itself

    • getLocalTime

      @DynamicUse public static LocalTime getLocalTime(@NotNull @NotNull String value, @Nullable @Nullable String columnName, @NotNull @NotNull Logger log, boolean strict, boolean failDefault, @Nullable @Nullable LocalTime onEmpty)
      Read a LocalTime value from a CSVRecord.
      Parameters:
      value - The value of the named column in the current row in the import file
      columnName - The column name from which the value should be read
      log - The passed-down logger
      strict - Whether strict (true) or permissive (false) import rules are being used
      failDefault - Whether (true) to use the default value (onEmpty) if parsing/conversion of the source value fails
      onEmpty - A default value that may be used if the source is empty or parsing fails
      Returns:
      the converted value, or the onEmpty value, depending on strict, failDefault, and the source value itself

    • getFloat

      @DynamicUse public static float getFloat(@NotNull @NotNull String value, @Nullable @Nullable String columnName, @NotNull @NotNull Logger log, boolean strict, boolean failDefault, float onEmpty)
      Reads a float value from a CSVRecord
      Parameters:
      value - The value of the named column in the current row in the import file
      columnName - The column name from which the value should be read
      log - The passed-down logger
      strict - Whether strict (true) or permissive (false) import rules are being used
      failDefault - Whether (true) to use the default value (onEmpty) if parsing/conversion of the source value fails
      onEmpty - A default value that may be used if the source is empty or parsing fails
      Returns:
      the converted value, or the onEmpty value, depending on strict, failDefault, and the source value itself

    • getChar

      @DynamicUse public static char getChar(@Nullable @Nullable String value, @Nullable @Nullable String columnName, @NotNull @NotNull Logger log, boolean strict, boolean failDefault, char onEmpty)
      Reads a char value from a CSVRecord
      Parameters:
      value - The value of the named column in the current row in the import file
      columnName - The column name from which the value should be read
      log - The passed-down logger
      strict - Whether strict (true) or permissive (false) import rules are being used
      failDefault - Whether (true) to use the default value (onEmpty) if parsing/conversion of the source value fails
      onEmpty - A default value that may be used if the source is empty or parsing fails
      Returns:
      the converted value, or the onEmpty value, depending on strict, failDefault, and the source value itself

    • getByte

      @DynamicUse public static byte getByte(@Nullable @Nullable String value, @Nullable @Nullable String columnName, @NotNull @NotNull Logger log, boolean strict, boolean failDefault, byte onEmpty)
      Reads a byte value from a CSVRecord
      Parameters:
      value - The value of the named column in the current row in the import file
      columnName - The column name from which the value should be read
      log - The passed-down logger
      strict - Whether strict (true) or permissive (false) import rules are being used
      failDefault - Whether (true) to use the default value (onEmpty) if parsing/conversion of the source value fails
      onEmpty - A default value that may be used if the source is empty or parsing fails
      Returns:
      the converted value, or the onEmpty value, depending on strict, failDefault, and the source value itself

    • getTrimmedStringNull

      @DynamicUse public static String getTrimmedStringNull(@Nullable @Nullable String value, @Nullable @Nullable String columnName)
      Reads a String value from a CSVRecord. Trims white space, and handles the special case of the word null being returned as a null String.
      Parameters:
      value - The value of the named column in the current row in the import file
      columnName - The column name from which the value should be read
      Returns:
      the read value, or a null String if the field contains the keyword "null"

    • getBoolean

      @DynamicUse public static Boolean getBoolean(@NotNull @NotNull String value, @Nullable @Nullable String columnName, @NotNull @NotNull Logger log, boolean strict, boolean failDefault, Boolean onEmpty)
      Reads a Boolean value from a CSVRecord. parseBoolean handles interpretation of various text boolean expressions (true, false, 1, 0, T, F, etc).
      Parameters:
      value - The value of the named column in the current row in the import file
      columnName - The column name from which the value should be read
      log - The passed-down logger
      strict - Whether strict (true) or permissive (false) import rules are being used
      failDefault - Whether (true) to use the default value (onEmpty) if parsing/conversion of the source value fails
      onEmpty - A default value that may be used if the source is empty or parsing fails
      Returns:
      the converted value, or the onEmpty value, depending on strict, failDefault, and the source value itself