Uses of Interface
java.util.concurrent.ConcurrentMap
Packages that use ConcurrentMap
Package
Description
HTTP Client and WebSocket APIs
Utility classes commonly useful in concurrent programming.
Classes to support functional-style operations on streams of elements, such
as map-reduce transformations on collections.
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Uses of ConcurrentMap in java.net.http
Methods in java.net.http with parameters of type ConcurrentMapModifier and TypeMethodDescriptionstatic <T> HttpResponse.PushPromiseHandler<T>HttpResponse.PushPromiseHandler.of(Function<HttpRequest, HttpResponse.BodyHandler<T>> pushPromiseHandler, ConcurrentMap<HttpRequest, CompletableFuture<HttpResponse<T>>> pushPromisesMap) Returns a push promise handler that accumulates push promises, and their responses, into the given map. -
Uses of ConcurrentMap in java.util.concurrent
Subinterfaces of ConcurrentMap in java.util.concurrentModifier and TypeInterfaceDescriptioninterfaceAConcurrentMapsupportingNavigableMapoperations, and recursively so for its navigable sub-maps.Classes in java.util.concurrent that implement ConcurrentMapModifier and TypeClassDescriptionclassConcurrentHashMap<K,V> A hash table supporting full concurrency of retrievals and high expected concurrency for updates.classA scalable concurrentConcurrentNavigableMapimplementation. -
Uses of ConcurrentMap in java.util.stream
Methods in java.util.stream with type parameters of type ConcurrentMapModifier and TypeMethodDescriptionstatic <T,K, A, D, M extends ConcurrentMap<K, D>>
Collector<T,?, M> Collectors.groupingByConcurrent(Function<? super T, ? extends K> classifier, Supplier<M> mapFactory, Collector<? super T, A, D> downstream) Returns a concurrentCollectorimplementing a cascaded "group by" operation on input elements of typeT, grouping elements according to a classification function, and then performing a reduction operation on the values associated with a given key using the specified downstreamCollector.static <T,K, U, M extends ConcurrentMap<K, U>>
Collector<T,?, M> Collectors.toConcurrentMap(Function<? super T, ? extends K> keyMapper, Function<? super T, ? extends U> valueMapper, BinaryOperator<U> mergeFunction, Supplier<M> mapFactory) Returns a concurrentCollectorthat accumulates elements into aConcurrentMapwhose keys and values are the result of applying the provided mapping functions to the input elements.Methods in java.util.stream that return types with arguments of type ConcurrentMapModifier and TypeMethodDescriptionstatic <T,K> Collector<T, ?, ConcurrentMap<K, List<T>>> Collectors.groupingByConcurrent(Function<? super T, ? extends K> classifier) Returns a concurrentCollectorimplementing a "group by" operation on input elements of typeT, grouping elements according to a classification function.static <T,K, A, D> Collector<T, ?, ConcurrentMap<K, D>> Collectors.groupingByConcurrent(Function<? super T, ? extends K> classifier, Collector<? super T, A, D> downstream) Returns a concurrentCollectorimplementing a cascaded "group by" operation on input elements of typeT, grouping elements according to a classification function, and then performing a reduction operation on the values associated with a given key using the specified downstreamCollector.static <T,K, U> Collector<T, ?, ConcurrentMap<K, U>> Collectors.toConcurrentMap(Function<? super T, ? extends K> keyMapper, Function<? super T, ? extends U> valueMapper) Returns a concurrentCollectorthat accumulates elements into aConcurrentMapwhose keys and values are the result of applying the provided mapping functions to the input elements.static <T,K, U> Collector<T, ?, ConcurrentMap<K, U>> Collectors.toConcurrentMap(Function<? super T, ? extends K> keyMapper, Function<? super T, ? extends U> valueMapper, BinaryOperator<U> mergeFunction) Returns a concurrentCollectorthat accumulates elements into aConcurrentMapwhose keys and values are the result of applying the provided mapping functions to the input elements.