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

Class OrderedPair<FIRST extends Id,SECOND extends Id>

java.lang.Object

co.cask.cdap.data2.registry.internal.pair.OrderedPair<FIRST,SECOND>

Type Parameters:

FIRST - type of first element

SECOND - type of second element

public class OrderedPair<FIRST extends Id,SECOND extends Id>
extends Object

Represents a mapping between two Ids - FIRST and SECOND using MDSKey. Uses KeyMaker to serialize/deserialzie ids into MDSKey.

Constructor Summary

Constructors

Constructor and Description
OrderedPair(KeyMaker<FIRST> keyMaker1, KeyMaker<SECOND> keyMaker2, String prefix)

Method Summary

Methods

Modifier and Type	Method and Description
String	getPrefix()
Set<SECOND>	getSecond(Set<MDSKey> mdsKeys)
MDSKey	makeKey(FIRST first, SECOND second)
MDSKey	makeScanKey(FIRST first)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

OrderedPair

public OrderedPair(KeyMaker<FIRST> keyMaker1,
           KeyMaker<SECOND> keyMaker2,
           String prefix)

Method Detail

getPrefix

public String getPrefix()

makeKey

public MDSKey makeKey(FIRST first,
             SECOND second)

makeScanKey

public MDSKey makeScanKey(FIRST first)

getSecond

public Set<SECOND> getSecond(Set<MDSKey> mdsKeys)