| Interface | Description |
|---|---|
| RawComparator<T> |
A
Comparator that operates directly on byte representations of
objects. |
| WritableComparable<T> |
A
Writable which is also Comparable. |
| WritableConverter |
Convert a writable to another writable (used for say: transitioning dates or categorical to numbers)
|
| Class | Description |
|---|---|
| BinaryComparable |
Interface supported by
WritableComparable
types supporting ordering/permutation by a representative set of bytes. |
| DataInputBuffer |
A reusable
DataInput implementation that reads from an in-memory
buffer. |
| DataOutputBuffer |
A reusable
DataOutput implementation that writes to an in-memory
buffer. |
| WritableComparator |
A Comparator for
WritableComparables. |
| WritableUtils |