co.cask.cdap.data2.registry.internal.pair

Interface KeyMaker<T extends Id>

Type Parameters:

T - type of Id.

All Known Implementing Classes:

DatasetKeyMaker, ProgramKeyMaker, StreamKeyMaker

public interface KeyMaker<T extends Id>

Used to serialize/deserialize Ids into MDSKey.

Method Summary

Methods

Modifier and Type	Method and Description
T	getElement(MDSKey.Splitter splitter) Given a MDSKey.Splitter, deserialize Id from it.
MDSKey	getKey(T id) Serializes Id as MDSKey.
void	skipKey(MDSKey.Splitter splitter) Given MDSKey.Splitter, skip the fields of Id.

Method Detail

getKey

MDSKey getKey(T id)

Serializes Id as MDSKey.

Parameters:

id - id

Returns:

MDSKey for id

getElement

T getElement(MDSKey.Splitter splitter)

Given a MDSKey.Splitter, deserialize Id from it.

Parameters:

splitter - splitter for id

Returns:

id

skipKey

void skipKey(MDSKey.Splitter splitter)

Given MDSKey.Splitter, skip the fields of Id. This is used during de-serialization.

Parameters:

splitter - splitter for id