Package org.glassfish.jersey.internal.util.collection

Class ImmutableCollectors

java.lang.Object

org.glassfish.jersey.internal.util.collection.ImmutableCollectors

public class ImmutableCollectors
extends Object

Set of convenient function regarding a collection immutability. Particularly useful in the conjunction with Stream.

Constructor Summary

Constructors

Constructor	Description
ImmutableCollectors()

Method Summary

Modifier and Type	Method	Description
static <T> Collector<T,Set<T>,Set<T>>	toImmutableLinkedSet()	Creates a Collector of an immutable Set for Stream.collect(Collector).
static <T> Collector<T,List<T>,List<T>>	toImmutableList()	Creates a Collector of an immutable list for Stream.collect(Collector).
static <T> Collector<T,Set<T>,Set<T>>	toImmutableSet()	Creates a Collector of an immutable Set for Stream.collect(Collector).

Methods inherited from class java.lang.Object

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

Constructor Details

ImmutableCollectors

public ImmutableCollectors()

Method Details

toImmutableList

public static <T> Collector<T,List<T>,List<T>> toImmutableList()

Creates a Collector of an immutable list for Stream.collect(Collector).

Type Parameters:

T - type of the immutable list.

Returns:

collector for immutable list.

toImmutableSet

public static <T> Collector<T,Set<T>,Set<T>> toImmutableSet()

Creates a Collector of an immutable Set for Stream.collect(Collector).

Type Parameters:

T - type of the immutable set.

Returns:

collector for immutable set.

toImmutableLinkedSet

public static <T> Collector<T,Set<T>,Set<T>> toImmutableLinkedSet()

Creates a Collector of an immutable Set for Stream.collect(Collector).

Type Parameters:

T - type of the immutable linked hash set.

Returns:

collector for immutable linked hash set.