Constructor Detail

• ParseDoubleTransform

  public ParseDoubleTransform()

Method Detail

• toString

  public String toString()

  Specified by:

  toString in class BaseTransform

• transform

  public Schema transform(Schema inputSchema)

  Get the output schema for this transformation, given an input schema

  Parameters:

  inputSchema -

• map

  public List<Writable> map(List<Writable> writables)

  Description copied from interface: Transform
  Transform a writable in to another writable

  Parameters:

  writables - the record to transform

  Returns:

  the transformed writable

• map

  public Object map(Object input)

  Transform an object in to another object

  Parameters:

  input - the record to transform

  Returns:

  the transformed writable

• mapSequence

  public Object mapSequence(Object sequence)

  Transform a sequence

  Parameters:

  sequence -

• outputColumnName

  public String outputColumnName()

  The output column name after the operation has been applied

  Returns:

  the output column name

• outputColumnNames

  public String[] outputColumnNames()

  The output column names This will often be the same as the input

  Returns:

  the output column names

• columnNames

  public String[] columnNames()

  Returns column names this op is meant to run on

  Returns:

• columnName

  public String columnName()

  Returns a singular column name this op is meant to run on

  Returns: