ReadableFrameRowPointer (druid-processing 28.0.0 API)

All Known Implementing Classes:

ConstantFrameRowPointer, CursorFrameRowPointer
```
public interface ReadableFrameRowPointer
```
Pointer to a row position in some memory. The memory itself is handled separately, and generally comes from region RowBasedFrameWriter.ROW_DATA_REGION of a row-based frame. Each row pointed-to by this pointer is in the row-based frame format documented at RowReader.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`long`	`length()`	Length of the row (in bytes)
`long`	`position()`	Position of the start of the row relative to the start of the Frame

- Method Detail
  - position
```
long position()
```
    Position of the start of the row relative to the start of the Frame
  - length
```
long length()
```
    Length of the row (in bytes)