com.cloudera.oryx.common.collection

Class Pairs

java.lang.Object

com.cloudera.oryx.common.collection.Pairs

public final class Pairs
extends Object

Pair-related utilities.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	Pairs.SortOrder Sort ordering for Pairs.

Method Summary

Modifier and Type	Method and Description
static <C extends Comparable<C>,D> Comparator<Pair<C,D>>	orderByFirst(Pairs.SortOrder order)
static <C,D extends Comparable<D>> Comparator<Pair<C,D>>	orderBySecond(Pairs.SortOrder order)

Methods inherited from class java.lang.Object

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

Method Detail

orderByFirst

public static <C extends Comparable<C>,D> Comparator<Pair<C,D>> orderByFirst(Pairs.SortOrder order)

Type Parameters:

C - type of first element in Pairs to be compared

D - type of second element in Pairs to be compared

Parameters:

order - whether to sort ascending or descending; null comes last

Returns:

an ordering on Pairs by first element as a Comparator

orderBySecond

public static <C,D extends Comparable<D>> Comparator<Pair<C,D>> orderBySecond(Pairs.SortOrder order)

Type Parameters:

C - type of first element in Pairs to be compared

D - type of second element in Pairs to be compared

Parameters:

order - whether to sort ascending or descending; null comes last

Returns:

an ordering on Pairs by second element as a Comparator