Package | Description |
---|---|
com.google.common.base |
Basic utility libraries and interfaces.
|
com.google.common.collect |
This package contains generic collection interfaces and implementations, and other utilities for
working with collections.
|
com.google.common.io |
This package contains utility methods and classes for working with Java I/O; for example input
streams, output streams, readers, writers, and files.
|
Modifier and Type | Method and Description |
---|---|
static <T> Predicate<T> |
Predicates.alwaysFalse()
Returns a predicate that always evaluates to
false . |
static <T> Predicate<T> |
Predicates.alwaysTrue()
Returns a predicate that always evaluates to
true . |
static <T> Predicate<T> |
Predicates.and(Iterable<? extends Predicate<? super T>> components)
Returns a predicate that evaluates to
true if each of its components evaluates to
true . |
static <T> Predicate<T> |
Predicates.and(Predicate<? super T>... components)
Returns a predicate that evaluates to
true if each of its components evaluates to
true . |
static <T> Predicate<T> |
Predicates.and(Predicate<? super T> first,
Predicate<? super T> second)
Returns a predicate that evaluates to
true if both of its components evaluate to true . |
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 Predicate<CharSequence> |
Predicates.contains(Pattern pattern)
Returns a predicate that evaluates to
true if the CharSequence being tested
contains any match for the given regular expression pattern. |
static Predicate<CharSequence> |
Predicates.containsPattern(String pattern)
Returns a predicate that evaluates to
true if the CharSequence being tested
contains any match for the given regular expression pattern. |
static <T> Predicate<T> |
Predicates.equalTo(T target)
Returns a predicate that evaluates to
true if the object being tested equals()
the given target or both are null. |
Predicate<T> |
Equivalence.equivalentTo(T target)
Returns a predicate that evaluates to true if and only if the input is equivalent to
target according to this equivalence relation. |
static <T> Predicate<T> |
Predicates.in(Collection<? extends T> target)
Returns a predicate that evaluates to
true if the object reference being tested is a
member of the given collection. |
static Predicate<Object> |
Predicates.instanceOf(Class<?> clazz)
Returns a predicate that evaluates to
true if the object being tested is an instance of
the given class. |
static <T> Predicate<T> |
Predicates.isNull()
Returns a predicate that evaluates to
true if the object reference being tested is
null. |
static <T> Predicate<T> |
Predicates.not(Predicate<T> predicate)
Returns a predicate that evaluates to
true if the given predicate evaluates to false . |
static <T> Predicate<T> |
Predicates.notNull()
Returns a predicate that evaluates to
true if the object reference being tested is not
null. |
static <T> Predicate<T> |
Predicates.or(Iterable<? extends Predicate<? super T>> components)
Returns a predicate that evaluates to
true if any one of its components evaluates to
true . |
static <T> Predicate<T> |
Predicates.or(Predicate<? super T>... components)
Returns a predicate that evaluates to
true if any one of its components evaluates to
true . |
static <T> Predicate<T> |
Predicates.or(Predicate<? super T> first,
Predicate<? super T> second)
Returns a predicate that evaluates to
true if either of its components evaluates to
true . |
static Predicate<Class<?>> |
Predicates.subtypeOf(Class<?> clazz)
Returns a predicate that evaluates to
true if the class being tested is assignable to
(is a subtype of) clazz . |
Modifier and Type | Method and Description |
---|---|
static <T> Predicate<T> |
Predicates.and(Predicate<? super T>... components)
Returns a predicate that evaluates to
true if each of its components evaluates to
true . |
static <T> Predicate<T> |
Predicates.and(Predicate<? super T> first,
Predicate<? super T> second)
Returns a predicate that evaluates to
true if both of its components evaluate to true . |
static <T> Predicate<T> |
Predicates.and(Predicate<? super T> first,
Predicate<? super T> second)
Returns a predicate that evaluates to
true if both of its components evaluate to true . |
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 CharMatcher |
CharMatcher.forPredicate(Predicate<? super Character> predicate)
Returns a matcher with identical behavior to the given
Character -based predicate, but
which operates on primitive char instances instead. |
static <T> Function<T,Boolean> |
Functions.forPredicate(Predicate<T> predicate)
Creates a function that returns the same boolean output as the given predicate for all inputs.
|
static <T> Predicate<T> |
Predicates.not(Predicate<T> predicate)
Returns a predicate that evaluates to
true if the given predicate evaluates to false . |
static <T> Predicate<T> |
Predicates.or(Predicate<? super T>... components)
Returns a predicate that evaluates to
true if any one of its components evaluates to
true . |
static <T> Predicate<T> |
Predicates.or(Predicate<? super T> first,
Predicate<? super T> second)
Returns a predicate that evaluates to
true if either of its components evaluates to
true . |
static <T> Predicate<T> |
Predicates.or(Predicate<? super T> first,
Predicate<? super T> second)
Returns a predicate that evaluates to
true if either of its components evaluates to
true . |
Modifier and Type | Method and Description |
---|---|
static <T> Predicate<T> |
Predicates.and(Iterable<? extends Predicate<? super T>> components)
Returns a predicate that evaluates to
true if each of its components evaluates to
true . |
static <T> Predicate<T> |
Predicates.or(Iterable<? extends Predicate<? super T>> components)
Returns a predicate that evaluates to
true if any one of its components evaluates to
true . |
Modifier and Type | Method and Description |
---|---|
static <T> boolean |
Iterables.all(Iterable<T> iterable,
Predicate<? super T> predicate)
Returns
true if every element in iterable satisfies the predicate. |
static <T> boolean |
Iterators.all(Iterator<T> iterator,
Predicate<? super T> predicate)
Returns
true if every element returned by iterator satisfies the given
predicate. |
boolean |
FluentIterable.allMatch(Predicate<? super E> predicate)
Returns
true if every element in this fluent iterable satisfies the predicate. |
static <T> boolean |
Iterables.any(Iterable<T> iterable,
Predicate<? super T> predicate)
Returns
true if any element in iterable satisfies the predicate. |
static <T> boolean |
Iterators.any(Iterator<T> iterator,
Predicate<? super T> predicate)
Returns
true if one or more elements returned by iterator satisfy the given
predicate. |
boolean |
FluentIterable.anyMatch(Predicate<? super E> predicate)
Returns
true if any element in this fluent iterable satisfies the predicate. |
static <E> Collection<E> |
Collections2.filter(Collection<E> unfiltered,
Predicate<? super E> predicate)
Returns the elements of
unfiltered that satisfy a predicate. |
static <T> Iterable<T> |
Iterables.filter(Iterable<T> unfiltered,
Predicate<? super T> retainIfTrue)
Returns a view of
unfiltered containing all elements that satisfy the input predicate
retainIfTrue . |
static <T> UnmodifiableIterator<T> |
Iterators.filter(Iterator<T> unfiltered,
Predicate<? super T> retainIfTrue)
Returns a view of
unfiltered containing all elements that satisfy the input predicate
retainIfTrue . |
static <E> Multiset<E> |
Multisets.filter(Multiset<E> unfiltered,
Predicate<? super E> predicate)
Returns a view of the elements of
unfiltered that satisfy a predicate. |
static <E> NavigableSet<E> |
Sets.filter(NavigableSet<E> unfiltered,
Predicate<? super E> predicate)
Returns the elements of a
NavigableSet , unfiltered , that satisfy a predicate. |
FluentIterable<E> |
FluentIterable.filter(Predicate<? super E> predicate)
Returns the elements from this fluent iterable that satisfy a predicate.
|
static <E> Set<E> |
Sets.filter(Set<E> unfiltered,
Predicate<? super E> predicate)
Returns the elements of
unfiltered that satisfy a predicate. |
static <E> SortedSet<E> |
Sets.filter(SortedSet<E> unfiltered,
Predicate<? super E> predicate)
Returns the elements of a
SortedSet , unfiltered , that satisfy a predicate. |
static <K,V> BiMap<K,V> |
Maps.filterEntries(BiMap<K,V> unfiltered,
Predicate<? super Map.Entry<K,V>> entryPredicate)
Returns a bimap containing the mappings in
unfiltered that satisfy a predicate. |
static <K,V> Map<K,V> |
Maps.filterEntries(Map<K,V> unfiltered,
Predicate<? super Map.Entry<K,V>> entryPredicate)
Returns a map containing the mappings in
unfiltered that satisfy a predicate. |
static <K,V> Multimap<K,V> |
Multimaps.filterEntries(Multimap<K,V> unfiltered,
Predicate<? super Map.Entry<K,V>> entryPredicate)
Returns a multimap containing the mappings in
unfiltered that satisfy a predicate. |
static <K,V> NavigableMap<K,V> |
Maps.filterEntries(NavigableMap<K,V> unfiltered,
Predicate<? super Map.Entry<K,V>> entryPredicate)
Returns a sorted map containing the mappings in
unfiltered that satisfy a predicate. |
static <K,V> SetMultimap<K,V> |
Multimaps.filterEntries(SetMultimap<K,V> unfiltered,
Predicate<? super Map.Entry<K,V>> entryPredicate)
Returns a multimap containing the mappings in
unfiltered that satisfy a predicate. |
static <K,V> SortedMap<K,V> |
Maps.filterEntries(SortedMap<K,V> unfiltered,
Predicate<? super Map.Entry<K,V>> entryPredicate)
Returns a sorted map containing the mappings in
unfiltered that satisfy a predicate. |
static <K,V> BiMap<K,V> |
Maps.filterKeys(BiMap<K,V> unfiltered,
Predicate<? super K> keyPredicate)
Returns a bimap containing the mappings in
unfiltered whose keys satisfy a predicate. |
static <K,V> ListMultimap<K,V> |
Multimaps.filterKeys(ListMultimap<K,V> unfiltered,
Predicate<? super K> keyPredicate)
Returns a multimap containing the mappings in
unfiltered whose keys satisfy a
predicate. |
static <K,V> Map<K,V> |
Maps.filterKeys(Map<K,V> unfiltered,
Predicate<? super K> keyPredicate)
Returns a map containing the mappings in
unfiltered whose keys satisfy a predicate. |
static <K,V> Multimap<K,V> |
Multimaps.filterKeys(Multimap<K,V> unfiltered,
Predicate<? super K> keyPredicate)
Returns a multimap containing the mappings in
unfiltered whose keys satisfy a
predicate. |
static <K,V> NavigableMap<K,V> |
Maps.filterKeys(NavigableMap<K,V> unfiltered,
Predicate<? super K> keyPredicate)
Returns a navigable map containing the mappings in
unfiltered whose keys satisfy a
predicate. |
static <K,V> SetMultimap<K,V> |
Multimaps.filterKeys(SetMultimap<K,V> unfiltered,
Predicate<? super K> keyPredicate)
Returns a multimap containing the mappings in
unfiltered whose keys satisfy a
predicate. |
static <K,V> SortedMap<K,V> |
Maps.filterKeys(SortedMap<K,V> unfiltered,
Predicate<? super K> keyPredicate)
Returns a sorted map containing the mappings in
unfiltered whose keys satisfy a
predicate. |
static <K,V> BiMap<K,V> |
Maps.filterValues(BiMap<K,V> unfiltered,
Predicate<? super V> valuePredicate)
Returns a bimap containing the mappings in
unfiltered whose values satisfy a predicate. |
static <K,V> Map<K,V> |
Maps.filterValues(Map<K,V> unfiltered,
Predicate<? super V> valuePredicate)
Returns a map containing the mappings in
unfiltered whose values satisfy a predicate. |
static <K,V> Multimap<K,V> |
Multimaps.filterValues(Multimap<K,V> unfiltered,
Predicate<? super V> valuePredicate)
Returns a multimap containing the mappings in
unfiltered whose values satisfy a
predicate. |
static <K,V> NavigableMap<K,V> |
Maps.filterValues(NavigableMap<K,V> unfiltered,
Predicate<? super V> valuePredicate)
Returns a navigable map containing the mappings in
unfiltered whose values satisfy a
predicate. |
static <K,V> SetMultimap<K,V> |
Multimaps.filterValues(SetMultimap<K,V> unfiltered,
Predicate<? super V> valuePredicate)
Returns a multimap containing the mappings in
unfiltered whose values satisfy a
predicate. |
static <K,V> SortedMap<K,V> |
Maps.filterValues(SortedMap<K,V> unfiltered,
Predicate<? super V> valuePredicate)
Returns a sorted map containing the mappings in
unfiltered whose values satisfy a
predicate. |
static <T> T |
Iterables.find(Iterable<? extends T> iterable,
Predicate<? super T> predicate,
T defaultValue)
Returns the first element in
iterable that satisfies the given predicate, or defaultValue if none found. |
static <T> T |
Iterables.find(Iterable<T> iterable,
Predicate<? super T> predicate)
Returns the first element in
iterable that satisfies the given predicate; use this
method only when such an element is known to exist. |
static <T> T |
Iterators.find(Iterator<? extends T> iterator,
Predicate<? super T> predicate,
T defaultValue)
Returns the first element in
iterator that satisfies the given predicate. |
static <T> T |
Iterators.find(Iterator<T> iterator,
Predicate<? super T> predicate)
Returns the first element in
iterator that satisfies the given predicate; use this
method only when such an element is known to exist. |
Optional<E> |
FluentIterable.firstMatch(Predicate<? super E> predicate)
Returns an
Optional containing the first element in this fluent iterable that satisfies
the given predicate, if such an element exists. |
static <T> int |
Iterables.indexOf(Iterable<T> iterable,
Predicate<? super T> predicate)
Returns the index in
iterable of the first element that satisfies the provided predicate , or -1 if the Iterable has no such elements. |
static <T> int |
Iterators.indexOf(Iterator<T> iterator,
Predicate<? super T> predicate)
Returns the index in
iterator of the first element that satisfies the provided predicate , or -1 if the Iterator has no such elements. |
static <T> boolean |
Iterables.removeIf(Iterable<T> removeFrom,
Predicate<? super T> predicate)
Removes, from an iterable, every element that satisfies the provided predicate.
|
static <T> boolean |
Iterators.removeIf(Iterator<T> removeFrom,
Predicate<? super T> predicate)
Removes every element that satisfies the provided predicate from the iterator.
|
static <T> Optional<T> |
Iterables.tryFind(Iterable<T> iterable,
Predicate<? super T> predicate)
Returns an
Optional containing the first element in iterable that satisfies the
given predicate, if such an element exists. |
static <T> Optional<T> |
Iterators.tryFind(Iterator<T> iterator,
Predicate<? super T> predicate)
Returns an
Optional containing the first element in iterator that satisfies the
given predicate, if such an element exists. |
Modifier and Type | Method and Description |
---|---|
static Predicate<File> |
Files.isDirectory()
Returns a predicate that returns the result of
File.isDirectory() on input files. |
static Predicate<Path> |
MoreFiles.isDirectory(LinkOption... options)
Returns a predicate that returns the result of
Files.isDirectory(Path,
LinkOption...) on input paths with the given link options. |
static Predicate<File> |
Files.isFile()
Returns a predicate that returns the result of
File.isFile() on input files. |
static Predicate<Path> |
MoreFiles.isRegularFile(LinkOption... options)
Returns a predicate that returns the result of
Files.isRegularFile(Path,
LinkOption...) on input paths with the given link options. |
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