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java.lang.Objectit.unimi.dsi.fastutil.objects.ObjectSets
public class ObjectSets
A class providing static methods and objects that do useful things with type-specific sets.
Collections
Nested Class Summary | |
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static class |
ObjectSets.EmptySet<K>
An immutable class representing the empty set and implementing a type-specific set interface. |
static class |
ObjectSets.Singleton<K>
An immutable class representing a type-specific singleton set. |
static class |
ObjectSets.SynchronizedSet<K>
A synchronized wrapper class for sets. |
static class |
ObjectSets.UnmodifiableSet<K>
An unmodifiable wrapper class for sets. |
Field Summary | |
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static ObjectSets.EmptySet |
EMPTY_SET
An empty set (immutable). |
Method Summary | ||
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static
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singleton(K element)
Returns a type-specific immutable set containing only the specified element. |
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static
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synchronize(ObjectSet<K> s)
Returns a synchronized type-specific set backed by the given type-specific set. |
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static
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synchronize(ObjectSet<K> s,
Object sync)
Returns a synchronized type-specific set backed by the given type-specific set, using an assigned object to synchronize. |
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static
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unmodifiable(ObjectSet<K> s)
Returns an unmodifiable type-specific set backed by the given type-specific set. |
Methods inherited from class java.lang.Object |
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equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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public static final ObjectSets.EmptySet EMPTY_SET
The class of this objects represent an abstract empty set that is a subset of a (sorted) type-specific set.
Method Detail |
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public static <K> ObjectSet<K> singleton(K element)
element
- the only element of the returned set.
element
.public static <K> ObjectSet<K> synchronize(ObjectSet<K> s)
s
- the set to be wrapped in a synchronized set.
Collections.synchronizedSet(Set)
public static <K> ObjectSet<K> synchronize(ObjectSet<K> s, Object sync)
s
- the set to be wrapped in a synchronized set.sync
- an object that will be used to synchronize the access to the set.
Collections.synchronizedSet(Set)
public static <K> ObjectSet<K> unmodifiable(ObjectSet<K> s)
s
- the set to be wrapped in an unmodifiable set.
Collections.unmodifiableSet(Set)
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