Uses of Interface
com.google.common.base.Function
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Packages that use Function Package Description com.google.common.base Basic utility libraries and interfaces.com.google.common.cache This package contains caching utilities.com.google.common.collect This package contains generic collection interfaces and implementations, and other utilities for working with collections.com.google.common.escape Interfaces, utilities, and simple implementations of escapers and encoders.com.google.common.graph An API for representing graph (node and edge) data.com.google.common.primitives Static utilities for working with the eight primitive types andvoid
, and value types for treating them as unsigned.com.google.common.reflect This package contains utilities to work with Java reflection.com.google.common.testing This package contains testing utilities.com.google.common.util.concurrent Concurrency utilities. -
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Uses of Function in com.google.common.base
Subinterfaces of Function in com.google.common.base Modifier and Type Interface Description private static interface
Suppliers.SupplierFunction<T>
Classes in com.google.common.base that implement Function Modifier and Type Class Description private static class
CaseFormat.StringConverter
class
Converter<A,B>
A function fromA
toB
with an associated reverse function fromB
toA
; used for converting back and forth between different representations of the same information.private static class
Converter.ConverterComposition<A,B,C>
private static class
Converter.FunctionBasedConverter<A,B>
private static class
Converter.IdentityConverter<T>
A converter that always converts or reverses an object to itself.private static class
Converter.ReverseConverter<A,B>
private static class
Enums.StringConverter<T extends java.lang.Enum<T>>
private static class
Functions.ConstantFunction<E>
private static class
Functions.ForMapWithDefault<K,V>
private static class
Functions.FunctionComposition<A,B,C>
private static class
Functions.FunctionForMapNoDefault<K,V>
private static class
Functions.IdentityFunction
private static class
Functions.PredicateFunction<T>
private static class
Functions.SupplierFunction<T>
private static class
Functions.ToStringFunction
private static class
Suppliers.SupplierFunctionImpl
Fields in com.google.common.base declared as Function Modifier and Type Field Description private Function<? super B,? extends A>
Converter.FunctionBasedConverter. backwardFunction
private Function<A,? extends B>
Functions.FunctionComposition. f
(package private) Function<A,? extends B>
Predicates.CompositionPredicate. f
private Function<? super A,? extends B>
Converter.FunctionBasedConverter. forwardFunction
private Function<F,? extends T>
FunctionalEquivalence. function
(package private) Function<? super F,T>
Suppliers.SupplierComposition. function
private Function<B,C>
Functions.FunctionComposition. g
Methods in com.google.common.base that return Function Modifier and Type Method Description static <A,B,C>
Function<A,C>Functions. compose(Function<B,C> g, Function<A,? extends B> f)
Returns the composition of two functions.static <E> Function<java.lang.Object,E>
Functions. constant(E value)
Returns a function that ignores its input and always returnsvalue
.static <K,V>
Function<K,V>Functions. forMap(java.util.Map<K,? extends V> map, V defaultValue)
Returns a function which performs a map lookup with a default value.static <K,V>
Function<K,V>Functions. forMap(java.util.Map<K,V> map)
Returns a function which performs a map lookup.static <T> Function<T,java.lang.Boolean>
Functions. forPredicate(Predicate<T> predicate)
Creates a function that returns the same boolean output as the given predicate for all inputs.static <T> Function<java.lang.Object,T>
Functions. forSupplier(Supplier<T> supplier)
Returns a function that ignores its input and returns the result ofsupplier.get()
.static <E> Function<E,E>
Functions. identity()
Returns the identity function.static <T> Function<Supplier<T>,T>
Suppliers. supplierFunction()
Returns a function that accepts a supplier and returns the result of invokingSupplier.get()
on that supplier.static Function<java.lang.Object,java.lang.String>
Functions. toStringFunction()
A function equivalent to the method referenceObject::toString
, for users not yet using Java 8.Methods in com.google.common.base with parameters of type Function Modifier and Type Method Description static <A,B,C>
Function<A,C>Functions. compose(Function<B,C> g, Function<A,? extends B> f)
Returns the composition of two functions.static <A,B>
Predicate<A>Predicates. compose(Predicate<B> predicate, Function<A,? extends B> function)
Returns the composition of a function and a predicate.static <F,T>
Supplier<T>Suppliers. compose(Function<? super F,T> function, Supplier<F> supplier)
Returns a new supplier which is the composition of the provided function and supplier.static <A,B>
Converter<A,B>Converter. from(Function<? super A,? extends B> forwardFunction, Function<? super B,? extends A> backwardFunction)
Returns a converter based on separate forward and backward functions.<F> Equivalence<F>
Equivalence. onResultOf(Function<F,? extends T> function)
Returns a new equivalence relation forF
which evaluates equivalence by first applyingfunction
to the argument, then evaluating usingthis
.<V> Optional<V>
Absent. transform(Function<? super T,V> function)
abstract <V> Optional<V>
Optional. transform(Function<? super T,V> function)
If the instance is present, it is transformed with the givenFunction
; otherwise,Optional.absent()
is returned.<V> Optional<V>
Present. transform(Function<? super T,V> function)
Constructors in com.google.common.base with parameters of type Function Constructor Description CompositionPredicate(Predicate<B> p, Function<A,? extends B> f)
FunctionalEquivalence(Function<F,? extends T> function, Equivalence<T> resultEquivalence)
FunctionBasedConverter(Function<? super A,? extends B> forwardFunction, Function<? super B,? extends A> backwardFunction)
FunctionComposition(Function<B,C> g, Function<A,? extends B> f)
SupplierComposition(Function<? super F,T> function, Supplier<F> supplier)
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Uses of Function in com.google.common.cache
Subinterfaces of Function in com.google.common.cache Modifier and Type Interface Description interface
LoadingCache<K,V>
A semi-persistent mapping from keys to values.Classes in com.google.common.cache that implement Function Modifier and Type Class Description class
AbstractLoadingCache<K,V>
This class provides a skeletal implementation of theCache
interface to minimize the effort required to implement this interface.class
ForwardingLoadingCache<K,V>
A cache which forwards all its method calls to another cache.static class
ForwardingLoadingCache.SimpleForwardingLoadingCache<K,V>
A simplified version ofForwardingLoadingCache
where subclasses can pass in an already constructedLoadingCache
as the delegate.(package private) static class
LocalCache.LoadingSerializationProxy<K,V>
Serializes the configuration of a LocalCache, reconstituting it as an LoadingCache using CacheBuilder upon deserialization.(package private) static class
LocalCache.LocalLoadingCache<K,V>
Fields in com.google.common.cache declared as Function Modifier and Type Field Description private Function<K,V>
CacheLoader.FunctionToCacheLoader. computingFunction
Methods in com.google.common.cache with parameters of type Function Modifier and Type Method Description static <K,V>
CacheLoader<K,V>CacheLoader. from(Function<K,V> function)
Returns a cache loader that usesfunction
to load keys, without supporting either reloading or bulk loading.Constructors in com.google.common.cache with parameters of type Function Constructor Description FunctionToCacheLoader(Function<K,V> computingFunction)
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Uses of Function in com.google.common.collect
Classes in com.google.common.collect that implement Function Modifier and Type Class Description private static class
FluentIterable.FromIterableFunction<E>
Function that transformsIterable<E>
into a fluent iterable.private static class
Interners.InternerFunction<E>
private static class
Maps.BiMapConverter<A,B>
private static class
Maps.EntryFunction
(package private) static class
Range.LowerBoundFn
(package private) static class
Range.UpperBoundFn
Fields in com.google.common.collect declared as Function Modifier and Type Field Description (package private) Function<F,? extends T>
ByFunctionOrdering. function
(package private) Function<? super F,? extends T>
Collections2.TransformedCollection. function
(package private) Function<? super F,? extends T>
Lists.TransformingRandomAccessList. function
(package private) Function<? super F,? extends T>
Lists.TransformingSequentialList. function
(package private) Function<? super K,V>
Maps.AsMapView. function
private Function<? super K,V>
Maps.NavigableAsMapView. function
(package private) Function<? super V1,V2>
Tables.TransformedTable. function
private static Function<Table.Cell<?,?,?>,Table.Cell<?,?,?>>
Tables.TransposeTable. TRANSPOSE_CELL
private static Function<? extends java.util.Map<?,?>,? extends java.util.Map<?,?>>
Tables. UNMODIFIABLE_WRAPPER
Methods in com.google.common.collect that return Function Modifier and Type Method Description (package private) static <K,V1,V2>
Function<java.util.Map.Entry<K,V1>,java.util.Map.Entry<K,V2>>Maps. asEntryToEntryFunction(Maps.EntryTransformer<? super K,? super V1,V2> transformer)
Views an entry transformer as a function from entries to entries.(package private) static <K,V1,V2>
Function<java.util.Map.Entry<K,V1>,V2>Maps. asEntryToValueFunction(Maps.EntryTransformer<? super K,? super V1,V2> transformer)
Views an entry transformer as a function fromEntry
to values.static <E> Function<E,E>
Interners. asFunction(Interner<E> interner)
Returns a function that delegates to theInterner.intern(E)
method of the given interner.(package private) static <K,V1,V2>
Function<V1,V2>Maps. asValueToValueFunction(Maps.EntryTransformer<? super K,V1,V2> transformer, K key)
(package private) Function<Table.Cell<R,C,V1>,Table.Cell<R,C,V2>>
Tables.TransformedTable. cellFunction()
(package private) static <K> Function<java.util.Map.Entry<K,?>,K>
Maps. keyFunction()
(package private) static <C extends java.lang.Comparable<?>>
Function<Range<C>,Cut<C>>Range. lowerBoundFn()
(package private) static <T> Function<java.lang.Iterable<? extends T>,java.util.Iterator<? extends T>>
Iterables. toIterator()
private static <K,V>
Function<java.util.Map<K,V>,java.util.Map<K,V>>Tables. unmodifiableWrapper()
(package private) static <C extends java.lang.Comparable<?>>
Function<Range<C>,Cut<C>>Range. upperBoundFn()
(package private) static <V> Function<java.util.Map.Entry<?,V>,V>
Maps. valueFunction()
Methods in com.google.common.collect with parameters of type Function Modifier and Type Method Description (package private) static <K,V1,V2>
Maps.EntryTransformer<K,V1,V2>Maps. asEntryTransformer(Function<? super V1,V2> function)
Views a function as an entry transformer that ignores the entry key.static <K,V>
java.util.NavigableMap<K,V>Maps. asMap(java.util.NavigableSet<K> set, Function<? super K,V> function)
Returns a view of the navigable set as a map, mapping keys from the set according to the specified function.static <K,V>
java.util.Map<K,V>Maps. asMap(java.util.Set<K> set, Function<? super K,V> function)
Returns a liveMap
view whose keys are the contents ofset
and whose values are computed on demand usingfunction
.static <K,V>
java.util.SortedMap<K,V>Maps. asMap(java.util.SortedSet<K> set, Function<? super K,V> function)
Returns a view of the sorted set as a map, mapping keys from the set according to the specified function.(package private) static <K,V>
java.util.Iterator<java.util.Map.Entry<K,V>>Maps. asMapEntryIterator(java.util.Set<K> set, Function<? super K,V> function)
static <E,K extends java.lang.Comparable>
intSortedLists. binarySearch(java.util.List<E> list, Function<? super E,K> keyFunction, K key, SortedLists.KeyPresentBehavior presentBehavior, SortedLists.KeyAbsentBehavior absentBehavior)
Binary searches the list for the specified key, using the specified key function.static <E,K>
intSortedLists. binarySearch(java.util.List<E> list, Function<? super E,K> keyFunction, K key, java.util.Comparator<? super K> keyComparator, SortedLists.KeyPresentBehavior presentBehavior, SortedLists.KeyAbsentBehavior absentBehavior)
Binary searches the list for the specified key, using the specified key function.<K> ImmutableListMultimap<K,E>
FluentIterable. index(Function<? super E,K> keyFunction)
Creates an indexImmutableListMultimap
that contains the results of applying a specified function to each item in thisFluentIterable
of values.static <K,V>
ImmutableListMultimap<K,V>Multimaps. index(java.lang.Iterable<V> values, Function<? super V,K> keyFunction)
Creates an indexImmutableListMultimap
that contains the results of applying a specified function to each item in anIterable
of values.static <K,V>
ImmutableListMultimap<K,V>Multimaps. index(java.util.Iterator<V> values, Function<? super V,K> keyFunction)
Creates an indexImmutableListMultimap
that contains the results of applying a specified function to each item in anIterator
of values.<F> Ordering<F>
Ordering. onResultOf(Function<F,? extends T> function)
Returns a new ordering onF
which orders elements by first applying a function to them, then comparing those results usingthis
.<V> ImmutableMap<E,V>
FluentIterable. toMap(Function<? super E,V> valueFunction)
Returns an immutable map whose keys are the distinct elements of thisFluentIterable
and whose value for each key was computed byvalueFunction
.static <K,V>
ImmutableMap<K,V>Maps. toMap(java.lang.Iterable<K> keys, Function<? super K,V> valueFunction)
Returns an immutable map whose keys are the distinct elements ofkeys
and whose value for each key was computed byvalueFunction
.static <K,V>
ImmutableMap<K,V>Maps. toMap(java.util.Iterator<K> keys, Function<? super K,V> valueFunction)
Returns an immutable map whose keys are the distinct elements ofkeys
and whose value for each key was computed byvalueFunction
.static <F,T>
java.util.Collection<T>Collections2. transform(java.util.Collection<F> fromCollection, Function<? super F,T> function)
Returns a collection that appliesfunction
to each element offromCollection
.<T> FluentIterable<T>
FluentIterable. transform(Function<? super E,T> function)
Returns a fluent iterable that appliesfunction
to each element of this fluent iterable.static <F,T>
java.lang.Iterable<T>Iterables. transform(java.lang.Iterable<F> fromIterable, Function<? super F,? extends T> function)
Returns a view containing the result of applyingfunction
to each element offromIterable
.static <F,T>
java.util.Iterator<T>Iterators. transform(java.util.Iterator<F> fromIterator, Function<? super F,? extends T> function)
Returns a view containing the result of applyingfunction
to each element offromIterator
.static <F,T>
java.util.List<T>Lists. transform(java.util.List<F> fromList, Function<? super F,? extends T> function)
Returns a list that appliesfunction
to each element offromList
.<T> FluentIterable<T>
FluentIterable. transformAndConcat(Function<? super E,? extends java.lang.Iterable<? extends T>> function)
Appliesfunction
to each element of this fluent iterable and returns a fluent iterable with the concatenated combination of results.static <K,V1,V2>
java.util.Map<K,V2>Maps. transformValues(java.util.Map<K,V1> fromMap, Function<? super V1,V2> function)
Returns a view of a map where each value is transformed by a function.static <K,V1,V2>
java.util.NavigableMap<K,V2>Maps. transformValues(java.util.NavigableMap<K,V1> fromMap, Function<? super V1,V2> function)
Returns a view of a navigable map where each value is transformed by a function.static <K,V1,V2>
java.util.SortedMap<K,V2>Maps. transformValues(java.util.SortedMap<K,V1> fromMap, Function<? super V1,V2> function)
Returns a view of a sorted map where each value is transformed by a function.static <K,V1,V2>
ListMultimap<K,V2>Multimaps. transformValues(ListMultimap<K,V1> fromMultimap, Function<? super V1,V2> function)
Returns a view of aListMultimap
where each value is transformed by a function.static <K,V1,V2>
Multimap<K,V2>Multimaps. transformValues(Multimap<K,V1> fromMultimap, Function<? super V1,V2> function)
Returns a view of a multimap where each value is transformed by a function.static <R,C,V1,V2>
Table<R,C,V2>Tables. transformValues(Table<R,C,V1> fromTable, Function<? super V1,V2> function)
Returns a view of a table where each value is transformed by a function.<K> ImmutableMap<K,E>
FluentIterable. uniqueIndex(Function<? super E,K> keyFunction)
Returns a map with the contents of thisFluentIterable
as itsvalues
, indexed by keys derived from those values.static <K,V>
ImmutableMap<K,V>Maps. uniqueIndex(java.lang.Iterable<V> values, Function<? super V,K> keyFunction)
Returns a map with the givenvalues
, indexed by keys derived from those values.static <K,V>
ImmutableMap<K,V>Maps. uniqueIndex(java.util.Iterator<V> values, Function<? super V,K> keyFunction)
Returns a map with the givenvalues
, indexed by keys derived from those values.static <T> TreeTraverser<T>
TreeTraverser. using(Function<T,? extends java.lang.Iterable<T>> nodeToChildrenFunction)
Deprecated.Constructors in com.google.common.collect with parameters of type Function Constructor Description AsMapView(java.util.Set<K> set, Function<? super K,V> function)
ByFunctionOrdering(Function<F,? extends T> function, Ordering<T> ordering)
NavigableAsMapView(java.util.NavigableSet<K> ks, Function<? super K,V> vFunction)
SortedAsMapView(java.util.SortedSet<K> set, Function<? super K,V> function)
TransformedCollection(java.util.Collection<F> fromCollection, Function<? super F,? extends T> function)
TransformedTable(Table<R,C,V1> fromTable, Function<? super V1,V2> function)
TransformingRandomAccessList(java.util.List<F> fromList, Function<? super F,? extends T> function)
TransformingSequentialList(java.util.List<F> fromList, Function<? super F,? extends T> function)
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Uses of Function in com.google.common.escape
Fields in com.google.common.escape declared as Function Modifier and Type Field Description private Function<java.lang.String,java.lang.String>
Escaper. asFunction
Methods in com.google.common.escape that return Function Modifier and Type Method Description Function<java.lang.String,java.lang.String>
Escaper. asFunction()
Returns aFunction
that invokesEscaper.escape(String)
on this escaper. -
Uses of Function in com.google.common.graph
Methods in com.google.common.graph that return Function Modifier and Type Method Description private static <N,E>
Function<E,N>ImmutableNetwork. adjacentNodeFn(Network<N,E> network, N node)
private static <N,E>
Function<E,N>ImmutableNetwork. sourceNodeFn(Network<N,E> network)
private static <N,E>
Function<E,N>ImmutableNetwork. targetNodeFn(Network<N,E> network)
Methods in com.google.common.graph with parameters of type Function Modifier and Type Method Description (package private) static <N,V>
DirectedGraphConnections<N,V>DirectedGraphConnections. ofImmutable(N thisNode, java.lang.Iterable<EndpointPair<N>> incidentEdges, Function<N,V> successorNodeToValueFn)
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Uses of Function in com.google.common.primitives
Classes in com.google.common.primitives that implement Function Modifier and Type Class Description private static class
Doubles.DoubleConverter
private static class
Floats.FloatConverter
private static class
Ints.IntConverter
private static class
Longs.LongConverter
private static class
Shorts.ShortConverter
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Uses of Function in com.google.common.reflect
Fields in com.google.common.reflect declared as Function Modifier and Type Field Description private static Function<java.lang.reflect.Type,java.lang.String>
Types. TYPE_NAME
Class#toString without the "class " and "interface " prefixes -
Uses of Function in com.google.common.testing
Methods in com.google.common.testing with parameters of type Function Modifier and Type Method Description private static <T> void
ForwardingWrapperTester. testEquals(java.lang.Class<T> interfaceType, Function<? super T,? extends T> wrapperFunction)
private static <T> void
ForwardingWrapperTester. testExceptionPropagation(java.lang.Class<T> interfaceType, java.lang.reflect.Method method, Function<? super T,? extends T> wrapperFunction)
<T> void
ForwardingWrapperTester. testForwarding(java.lang.Class<T> interfaceType, Function<? super T,? extends T> wrapperFunction)
Tests that the forwarding wrapper returned bywrapperFunction
properly forwards method calls with parameters passed as is, return value returned as is, and exceptions propagated as is.(package private) void
ForwardingWrapperTester.InteractionTester. testInteraction(Function<? super T,? extends T> wrapperFunction)
private static <T> void
ForwardingWrapperTester. testSuccessfulForwarding(java.lang.Class<T> interfaceType, java.lang.reflect.Method method, Function<? super T,? extends T> wrapperFunction)
private static <T> void
ForwardingWrapperTester. testToString(java.lang.Class<T> interfaceType, Function<? super T,? extends T> wrapperFunction)
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Uses of Function in com.google.common.util.concurrent
Fields in com.google.common.util.concurrent declared as Function Modifier and Type Field Description private static Function<ClosingFuture<?>,FluentFuture<?>>
ClosingFuture.Combiner. INNER_FUTURE
Methods in com.google.common.util.concurrent with parameters of type Function Modifier and Type Method Description <X extends java.lang.Throwable>
FluentFuture<V>FluentFuture. catching(java.lang.Class<X> exceptionType, Function<? super X,? extends V> fallback, java.util.concurrent.Executor executor)
Returns aFuture
whose result is taken from thisFuture
or, if thisFuture
fails with the givenexceptionType
, from the result provided by thefallback
.static <V,X extends java.lang.Throwable>
ListenableFuture<V>Futures. catching(ListenableFuture<? extends V> input, java.lang.Class<X> exceptionType, Function<? super X,? extends V> fallback, java.util.concurrent.Executor executor)
Returns aFuture
whose result is taken from the given primaryinput
or, if the primary input fails with the givenexceptionType
, from the result provided by thefallback
.(package private) static <V,X extends java.lang.Throwable>
ListenableFuture<V>AbstractCatchingFuture. create(ListenableFuture<? extends V> input, java.lang.Class<X> exceptionType, Function<? super X,? extends V> fallback, java.util.concurrent.Executor executor)
(package private) static <I,O>
ListenableFuture<O>AbstractTransformFuture. create(ListenableFuture<I> input, Function<? super I,? extends O> function, java.util.concurrent.Executor executor)
(package private) V
AbstractCatchingFuture.CatchingFuture. doFallback(Function<? super X,? extends V> fallback, X cause)
(package private) O
AbstractTransformFuture.TransformFuture. doTransform(Function<? super I,? extends O> function, I input)
static <I,O>
java.util.concurrent.Future<O>Futures. lazyTransform(java.util.concurrent.Future<I> input, Function<? super I,? extends O> function)
LikeFutures.transform(ListenableFuture, Function, Executor)
except that the transformationfunction
is invoked on each call toget()
on the returned future.<T> FluentFuture<T>
FluentFuture. transform(Function<? super V,T> function, java.util.concurrent.Executor executor)
Returns a newFuture
whose result is derived from the result of thisFuture
.static <I,O>
ListenableFuture<O>Futures. transform(ListenableFuture<I> input, Function<? super I,? extends O> function, java.util.concurrent.Executor executor)
Returns a newFuture
whose result is derived from the result of the givenFuture
.Constructors in com.google.common.util.concurrent with parameters of type Function Constructor Description CatchingFuture(ListenableFuture<? extends V> input, java.lang.Class<X> exceptionType, Function<? super X,? extends V> fallback)
TransformFuture(ListenableFuture<? extends I> inputFuture, Function<? super I,? extends O> function)
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