Package org.apache.hadoop.yarn.server.timelineservice.storage.common

Interface ValueConverter

All Known Subinterfaces:
NumericValueConverter
All Known Implementing Classes:
GenericConverter, LongConverter
public interface ValueConverter
Converter used to encode/decode value associated with a column prefix or a column.

  • Method Summary

    Modifier and Type
    Method
    Description
    Object
    decodeValue(byte[] bytes)
    Decode a byte array and convert it into an object depending on the converter implementation.
    byte[]
    encodeValue(Object value)
    Encode an object as a byte array depending on the converter implementation.

  • Method Details

    • encodeValue

      byte[] encodeValue(Object value) throws IOException
      Encode an object as a byte array depending on the converter implementation.
      Parameters:
      value - Value to be encoded.
      Returns:
      a byte array
      Throws:
      IOException - if any problem is encountered while encoding.

    • decodeValue

      Object decodeValue(byte[] bytes) throws IOException
      Decode a byte array and convert it into an object depending on the converter implementation.
      Parameters:
      bytes - Byte array to be decoded.
      Returns:
      an object
      Throws:
      IOException - if any problem is encountered while decoding.