Package it.unimi.dsi.fastutil.objects

Class ReferenceCollections

java.lang.Object

it.unimi.dsi.fastutil.objects.ReferenceCollections

public final class ReferenceCollections
extends Object

A class providing static methods and objects that do useful things with type-specific collections.

See Also:

• Collections

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	ReferenceCollections.EmptyCollection<K>	An immutable class representing an empty type-specific collection.
static class	ReferenceCollections.IterableCollection<K>	A collection wrapper class for iterables.

Method Summary

Modifier and Type	Method	Description
static <K> ReferenceCollection<K>	asCollection(ObjectIterable<K> iterable)	Returns an unmodifiable collection backed by the specified iterable.
static <K> ReferenceCollection<K>	synchronize(ReferenceCollection<K> c)	Returns a synchronized collection backed by the specified collection.
static <K> ReferenceCollection<K>	synchronize(ReferenceCollection<K> c, Object sync)	Returns a synchronized collection backed by the specified collection, using an assigned object to synchronize.
static <K> ReferenceCollection<K>	unmodifiable(ReferenceCollection<? extends K> c)	Returns an unmodifiable collection backed by the specified collection.

Methods inherited from class java.lang.Object

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

Method Details

synchronize

public static <K> ReferenceCollection<K> synchronize(ReferenceCollection<K> c)

Returns a synchronized collection backed by the specified collection.

Parameters:

c - the collection to be wrapped in a synchronized collection.

Returns:

a synchronized view of the specified collection.

See Also:

• Collections.synchronizedCollection(Collection)

synchronize

public static <K> ReferenceCollection<K> synchronize(ReferenceCollection<K> c,
 Object sync)

Returns a synchronized collection backed by the specified collection, using an assigned object to synchronize.

Parameters:

c - the collection to be wrapped in a synchronized collection.

sync - an object that will be used to synchronize the list access.

Returns:

a synchronized view of the specified collection.

See Also:

• Collections.synchronizedCollection(Collection)

unmodifiable

public static <K> ReferenceCollection<K> unmodifiable(ReferenceCollection<? extends K> c)

Returns an unmodifiable collection backed by the specified collection.

Parameters:

c - the collection to be wrapped in an unmodifiable collection.

Returns:

an unmodifiable view of the specified collection.

See Also:

• Collections.unmodifiableCollection(Collection)

asCollection

public static <K> ReferenceCollection<K> asCollection(ObjectIterable<K> iterable)

Returns an unmodifiable collection backed by the specified iterable.

Parameters:

iterable - the iterable object to be wrapped in an unmodifiable collection.

Returns:

an unmodifiable collection view of the specified iterable.