Bag<T>
, ImmutableBagIterable<T>
, ImmutableCollection<T>
, InternalIterable<T>
, Iterable<T>
, RichIterable<T>
, UnsortedBag<T>
AbstractImmutableBag
, ImmutableArrayBag
, ImmutableHashBag
public interface ImmutableBag<T> extends UnsortedBag<T>, ImmutableBagIterable<T>
Modifier and Type | Method | Description |
---|---|---|
ImmutableList<ObjectIntPair<T>> |
bottomOccurrences(int count) |
Returns the
count least frequently occurring items. |
<V> ImmutableBag<V> |
collect(Function<? super T,? extends V> function) |
Returns a new collection with the results of applying the specified function on each element of the source
collection.
|
ImmutableBooleanBag |
collectBoolean(BooleanFunction<? super T> booleanFunction) |
Returns a new primitive
boolean iterable with the results of applying the specified function on each element
of the source collection. |
ImmutableByteBag |
collectByte(ByteFunction<? super T> byteFunction) |
Returns a new primitive
byte iterable with the results of applying the specified function on each element
of the source collection. |
ImmutableCharBag |
collectChar(CharFunction<? super T> charFunction) |
Returns a new primitive
char iterable with the results of applying the specified function on each element
of the source collection. |
ImmutableDoubleBag |
collectDouble(DoubleFunction<? super T> doubleFunction) |
Returns a new primitive
double iterable with the results of applying the specified function on each element
of the source collection. |
ImmutableFloatBag |
collectFloat(FloatFunction<? super T> floatFunction) |
Returns a new primitive
float iterable with the results of applying the specified function on each element
of the source collection. |
<V> ImmutableBag<V> |
collectIf(Predicate<? super T> predicate,
Function<? super T,? extends V> function) |
Returns a new collection with the results of applying the specified function on each element of the source
collection, but only for those elements which return true upon evaluation of the predicate.
|
ImmutableIntBag |
collectInt(IntFunction<? super T> intFunction) |
Returns a new primitive
int iterable with the results of applying the specified function on each element
of the source collection. |
ImmutableLongBag |
collectLong(LongFunction<? super T> longFunction) |
Returns a new primitive
long iterable with the results of applying the specified function on each element
of the source collection. |
ImmutableShortBag |
collectShort(ShortFunction<? super T> shortFunction) |
Returns a new primitive
short iterable with the results of applying the specified function on each element
of the source collection. |
<P,V> ImmutableBag<V> |
collectWith(Function2<? super T,? super P,? extends V> function,
P parameter) |
Same as
RichIterable.collect(Function) with a Function2 and specified parameter which is passed to the block. |
<V> ImmutableBag<V> |
collectWithOccurrences(ObjectIntToObjectFunction<? super T,? extends V> function) |
Iterates over the unique elements and their occurrences and collects the results of applying the specified function.
|
default <V> ImmutableBag<V> |
countBy(Function<? super T,? extends V> function) |
This method will count the number of occurrences of each value calculated by applying the
function to each element of the collection.
|
default <V> ImmutableBag<V> |
countByEach(Function<? super T,? extends Iterable<V>> function) |
This method will count the number of occurrences of each value calculated by applying the
function to each element of the collection.
|
default <V,P> ImmutableBag<V> |
countByWith(Function2<? super T,? super P,? extends V> function,
P parameter) |
This method will count the number of occurrences of each value calculated by applying the
function to each element of the collection with the specified parameter as the second argument.
|
<V> ImmutableBag<V> |
flatCollect(Function<? super T,? extends Iterable<V>> function) |
flatCollect is a special case of RichIterable.collect(Function) . |
default <P,V> ImmutableBag<V> |
flatCollectWith(Function2<? super T,? super P,? extends Iterable<V>> function,
P parameter) |
|
<V> ImmutableBagMultimap<V,T> |
groupBy(Function<? super T,? extends V> function) |
For each element of the iterable, the function is evaluated and the results of these evaluations are collected
into a new multimap, where the transformed value is the key and the original values are added to the same (or similar)
species of collection as the source iterable.
|
<V> ImmutableBagMultimap<V,T> |
groupByEach(Function<? super T,? extends Iterable<V>> function) |
Similar to
RichIterable.groupBy(Function) , except the result of evaluating function will return a collection of keys
for each value. |
ImmutableBag<T> |
newWith(T element) |
This method is similar to the
with method in MutableCollection
with the difference that a new copy of this collection with the element appended will be returned. |
ImmutableBag<T> |
newWithAll(Iterable<? extends T> elements) |
This method is similar to the
withAll method in MutableCollection
with the difference that a new copy of this collection with the elements appended will be returned. |
ImmutableBag<T> |
newWithout(T element) |
This method is similar to the
without method in MutableCollection
with the difference that a new copy of this collection with the element removed will be returned. |
ImmutableBag<T> |
newWithoutAll(Iterable<? extends T> elements) |
This method is similar to the
withoutAll method in MutableCollection
with the difference that a new copy of this collection with the elements removed will be returned. |
PartitionImmutableBag<T> |
partition(Predicate<? super T> predicate) |
Filters a collection into a PartitionedIterable based on the evaluation of the predicate.
|
<P> PartitionImmutableBag<T> |
partitionWith(Predicate2<? super T,? super P> predicate,
P parameter) |
Filters a collection into a PartitionIterable based on the evaluation of the predicate.
|
ImmutableBag<T> |
reject(Predicate<? super T> predicate) |
Returns all elements of the source collection that return false when evaluating of the predicate.
|
<P> ImmutableBag<T> |
rejectWith(Predicate2<? super T,? super P> predicate,
P parameter) |
Similar to
RichIterable.reject(Predicate) , except with an evaluation parameter for the second generic argument in Predicate2 . |
ImmutableBag<T> |
select(Predicate<? super T> predicate) |
Returns all elements of the source collection that return true when evaluating the predicate.
|
ImmutableBag<T> |
selectByOccurrences(IntPredicate predicate) |
Returns all elements of the bag that have a number of occurrences that satisfy the predicate.
|
default ImmutableBag<T> |
selectDuplicates() |
Returns all elements of the bag that have more than one occurrence.
|
<S> ImmutableBag<S> |
selectInstancesOf(Class<S> clazz) |
Returns all elements of the source collection that are instances of the Class
clazz . |
default ImmutableSet<T> |
selectUnique() |
Returns a set containing all elements of the bag that have exactly one occurrence.
|
<P> ImmutableBag<T> |
selectWith(Predicate2<? super T,? super P> predicate,
P parameter) |
Similar to
RichIterable.select(Predicate) , except with an evaluation parameter for the second generic argument in Predicate2 . |
ImmutableBag<T> |
tap(Procedure<? super T> procedure) |
Executes the Procedure for each element in the iterable and returns
this . |
ImmutableList<ObjectIntPair<T>> |
topOccurrences(int count) |
Returns the
count most frequently occurring items. |
<S> ImmutableBag<Pair<T,S>> |
zip(Iterable<S> that) |
Deprecated.
in 6.0. Use
OrderedIterable.zip(Iterable) instead. |
ImmutableSet<Pair<T,Integer>> |
zipWithIndex() |
Deprecated.
in 6.0. Use
OrderedIterable.zipWithIndex() instead. |
collectWithOccurrences, equals, forEachWithOccurrences, hashCode, occurrencesOf, reduceInPlace, reduceInPlace, sizeDistinct, summarizeDouble, summarizeFloat, summarizeInt, summarizeLong, toImmutable, toStringOfItemToCount
toMapOfItemToCount
aggregateBy, aggregateInPlaceBy, castToCollection, groupByUniqueKey, parallelStream, spliterator, stream, sumByDouble, sumByFloat, sumByInt, sumByLong
forEach, forEachWith, forEachWithIndex
allSatisfy, allSatisfyWith, anySatisfy, anySatisfyWith, appendString, appendString, appendString, asLazy, chunk, collect, collectBoolean, collectByte, collectChar, collectDouble, collectFloat, collectIf, collectInt, collectLong, collectShort, collectWith, contains, containsAll, containsAllArguments, containsAllIterable, count, countBy, countByEach, countByWith, countWith, detect, detectIfNone, detectOptional, detectWith, detectWithIfNone, detectWithOptional, each, flatCollect, flatCollectWith, forEach, getAny, getFirst, getLast, getOnly, groupBy, groupByEach, groupByUniqueKey, injectInto, injectInto, injectInto, injectInto, injectInto, into, isEmpty, makeString, makeString, makeString, max, max, maxBy, maxByOptional, maxOptional, maxOptional, min, min, minBy, minByOptional, minOptional, minOptional, noneSatisfy, noneSatisfyWith, notEmpty, reduce, reject, rejectWith, select, selectWith, size, sumOfDouble, sumOfFloat, sumOfInt, sumOfLong, toArray, toArray, toBag, toBiMap, toList, toMap, toMap, toSet, toSortedBag, toSortedBag, toSortedBagBy, toSortedList, toSortedList, toSortedListBy, toSortedMap, toSortedMap, toSortedMapBy, toSortedSet, toSortedSet, toSortedSetBy, toString, zip, zipWithIndex
ImmutableBag<T> newWith(T element)
ImmutableCollection
with
method in MutableCollection
with the difference that a new copy of this collection with the element appended will be returned.newWith
in interface ImmutableCollection<T>
ImmutableBag<T> newWithout(T element)
ImmutableCollection
without
method in MutableCollection
with the difference that a new copy of this collection with the element removed will be returned.newWithout
in interface ImmutableCollection<T>
ImmutableBag<T> newWithAll(Iterable<? extends T> elements)
ImmutableCollection
withAll
method in MutableCollection
with the difference that a new copy of this collection with the elements appended will be returned.newWithAll
in interface ImmutableCollection<T>
ImmutableBag<T> newWithoutAll(Iterable<? extends T> elements)
ImmutableCollection
withoutAll
method in MutableCollection
with the difference that a new copy of this collection with the elements removed will be returned.newWithoutAll
in interface ImmutableCollection<T>
ImmutableBag<T> selectByOccurrences(IntPredicate predicate)
Bag
selectByOccurrences
in interface Bag<T>
selectByOccurrences
in interface ImmutableBagIterable<T>
selectByOccurrences
in interface UnsortedBag<T>
default ImmutableBag<T> selectDuplicates()
Bag
selectDuplicates
in interface Bag<T>
selectDuplicates
in interface ImmutableBagIterable<T>
selectDuplicates
in interface UnsortedBag<T>
default ImmutableSet<T> selectUnique()
Bag
selectUnique
in interface Bag<T>
selectUnique
in interface ImmutableBagIterable<T>
selectUnique
in interface UnsortedBag<T>
ImmutableBag<T> tap(Procedure<? super T> procedure)
RichIterable
this
.
Example using a Java 8 lambda expression:
RichIterable<Person> tapped = people.tap(person -> LOGGER.info(person.getName()));
Example using an anonymous inner class:
RichIterable<Person> tapped = people.tap(new Procedure<Person>() { public void value(Person person) { LOGGER.info(person.getName()); } });
tap
in interface Bag<T>
tap
in interface ImmutableBagIterable<T>
tap
in interface ImmutableCollection<T>
tap
in interface RichIterable<T>
tap
in interface UnsortedBag<T>
RichIterable.each(Procedure)
,
RichIterable.forEach(Procedure)
ImmutableBag<T> select(Predicate<? super T> predicate)
RichIterable
Example using a Java 8 lambda expression:
RichIterable<Person> selected = people.select(person -> person.getAddress().getCity().equals("London"));
Example using an anonymous inner class:
RichIterable<Person> selected = people.select(new Predicate<Person>() { public boolean accept(Person person) { return person.getAddress().getCity().equals("London"); } });
select
in interface Bag<T>
select
in interface ImmutableBagIterable<T>
select
in interface ImmutableCollection<T>
select
in interface RichIterable<T>
select
in interface UnsortedBag<T>
<P> ImmutableBag<T> selectWith(Predicate2<? super T,? super P> predicate, P parameter)
RichIterable
RichIterable.select(Predicate)
, except with an evaluation parameter for the second generic argument in Predicate2
.
E.g. return a Collection
of Person elements where the person has an age greater than or equal to 18 years
Example using a Java 8 lambda expression:
RichIterable<Person> selected = people.selectWith((Person person, Integer age) -> person.getAge()>= age, Integer.valueOf(18));
Example using an anonymous inner class:
RichIterable<Person> selected = people.selectWith(new Predicate2<Person, Integer>() { public boolean accept(Person person, Integer age) { return person.getAge()>= age; } }, Integer.valueOf(18));
selectWith
in interface Bag<T>
selectWith
in interface ImmutableBagIterable<T>
selectWith
in interface ImmutableCollection<T>
selectWith
in interface RichIterable<T>
selectWith
in interface UnsortedBag<T>
predicate
- a Predicate2
to use as the select criteriaparameter
- a parameter to pass in for evaluation of the second argument P
in predicate
RichIterable.select(Predicate)
ImmutableBag<T> reject(Predicate<? super T> predicate)
RichIterable
Example using a Java 8 lambda expression:
RichIterable<Person> rejected = people.reject(person -> person.person.getLastName().equals("Smith"));
Example using an anonymous inner class:
RichIterable<Person> rejected = people.reject(new Predicate<Person>() { public boolean accept(Person person) { return person.person.getLastName().equals("Smith"); } });
reject
in interface Bag<T>
reject
in interface ImmutableBagIterable<T>
reject
in interface ImmutableCollection<T>
reject
in interface RichIterable<T>
reject
in interface UnsortedBag<T>
predicate
- a Predicate
to use as the reject criteriaPredicate.accept(Object)
method to evaluate to false<P> ImmutableBag<T> rejectWith(Predicate2<? super T,? super P> predicate, P parameter)
RichIterable
RichIterable.reject(Predicate)
, except with an evaluation parameter for the second generic argument in Predicate2
.
E.g. return a Collection
of Person elements where the person has an age greater than or equal to 18 years
Example using a Java 8 lambda expression:
RichIterable<Person> rejected = people.rejectWith((Person person, Integer age) -> person.getAge() < age, Integer.valueOf(18));
Example using an anonymous inner class:
MutableList<Person> rejected = people.rejectWith(new Predicate2<Person, Integer>() { public boolean accept(Person person, Integer age) { return person.getAge() < age; } }, Integer.valueOf(18));
rejectWith
in interface Bag<T>
rejectWith
in interface ImmutableBagIterable<T>
rejectWith
in interface ImmutableCollection<T>
rejectWith
in interface RichIterable<T>
rejectWith
in interface UnsortedBag<T>
predicate
- a Predicate2
to use as the select criteriaparameter
- a parameter to pass in for evaluation of the second argument P
in predicate
RichIterable.select(Predicate)
PartitionImmutableBag<T> partition(Predicate<? super T> predicate)
RichIterable
Example using a Java 8 lambda expression:
PartitionIterable<Person> newYorkersAndNonNewYorkers = people.partition(person -> person.getAddress().getState().getName().equals("New York"));
Example using an anonymous inner class:
PartitionIterable<Person> newYorkersAndNonNewYorkers = people.partition(new Predicate<Person>() { public boolean accept(Person person) { return person.getAddress().getState().getName().equals("New York"); } });
partition
in interface Bag<T>
partition
in interface ImmutableBagIterable<T>
partition
in interface ImmutableCollection<T>
partition
in interface RichIterable<T>
partition
in interface UnsortedBag<T>
<P> PartitionImmutableBag<T> partitionWith(Predicate2<? super T,? super P> predicate, P parameter)
RichIterable
Example using a Java 8 lambda expression:
PartitionIterable<Person> newYorkersAndNonNewYorkers = people.partitionWith((Person person, String state) -> person.getAddress().getState().getName().equals(state), "New York");
Example using an anonymous inner class:
PartitionIterable<Person> newYorkersAndNonNewYorkers = people.partitionWith(new Predicate2<Person, String>() { public boolean accept(Person person, String state) { return person.getAddress().getState().getName().equals(state); } }, "New York");
partitionWith
in interface Bag<T>
partitionWith
in interface ImmutableBagIterable<T>
partitionWith
in interface ImmutableCollection<T>
partitionWith
in interface RichIterable<T>
<S> ImmutableBag<S> selectInstancesOf(Class<S> clazz)
RichIterable
clazz
.
RichIterable<Integer> integers = List.mutable.with(new Integer(0), new Long(0L), new Double(0.0)).selectInstancesOf(Integer.class);
selectInstancesOf
in interface Bag<T>
selectInstancesOf
in interface ImmutableBagIterable<T>
selectInstancesOf
in interface ImmutableCollection<T>
selectInstancesOf
in interface RichIterable<T>
selectInstancesOf
in interface UnsortedBag<T>
<V> ImmutableBag<V> collect(Function<? super T,? extends V> function)
RichIterable
Example using a Java 8 lambda expression:
RichIterable<String> names = people.collect(person -> person.getFirstName() + " " + person.getLastName());
Example using an anonymous inner class:
RichIterable<String> names = people.collect(new Function<Person, String>() { public String valueOf(Person person) { return person.getFirstName() + " " + person.getLastName(); } });
collect
in interface ImmutableCollection<T>
collect
in interface RichIterable<T>
collect
in interface UnsortedBag<T>
ImmutableBooleanBag collectBoolean(BooleanFunction<? super T> booleanFunction)
RichIterable
boolean
iterable with the results of applying the specified function on each element
of the source collection. This method is also commonly called transform or map.
Example using a Java 8 lambda expression:
BooleanIterable licenses = people.collectBoolean(person -> person.hasDrivingLicense());
Example using an anonymous inner class:
BooleanIterable licenses = people.collectBoolean(new BooleanFunction<Person>() { public boolean booleanValueOf(Person person) { return person.hasDrivingLicense(); } });
collectBoolean
in interface ImmutableCollection<T>
collectBoolean
in interface RichIterable<T>
collectBoolean
in interface UnsortedBag<T>
ImmutableByteBag collectByte(ByteFunction<? super T> byteFunction)
RichIterable
byte
iterable with the results of applying the specified function on each element
of the source collection. This method is also commonly called transform or map.
Example using a Java 8 lambda expression:
ByteIterable bytes = people.collectByte(person -> person.getCode());
Example using an anonymous inner class:
ByteIterable bytes = people.collectByte(new ByteFunction<Person>() { public byte byteValueOf(Person person) { return person.getCode(); } });
collectByte
in interface ImmutableCollection<T>
collectByte
in interface RichIterable<T>
collectByte
in interface UnsortedBag<T>
ImmutableCharBag collectChar(CharFunction<? super T> charFunction)
RichIterable
char
iterable with the results of applying the specified function on each element
of the source collection. This method is also commonly called transform or map.
Example using a Java 8 lambda expression:
CharIterable chars = people.collectChar(person -> person.getMiddleInitial());
Example using an anonymous inner class:
CharIterable chars = people.collectChar(new CharFunction<Person>() { public char charValueOf(Person person) { return person.getMiddleInitial(); } });
collectChar
in interface ImmutableCollection<T>
collectChar
in interface RichIterable<T>
collectChar
in interface UnsortedBag<T>
ImmutableDoubleBag collectDouble(DoubleFunction<? super T> doubleFunction)
RichIterable
double
iterable with the results of applying the specified function on each element
of the source collection. This method is also commonly called transform or map.
Example using a Java 8 lambda expression:
DoubleIterable doubles = people.collectDouble(person -> person.getMilesFromNorthPole());
Example using an anonymous inner class:
DoubleIterable doubles = people.collectDouble(new DoubleFunction<Person>() { public double doubleValueOf(Person person) { return person.getMilesFromNorthPole(); } });
collectDouble
in interface ImmutableCollection<T>
collectDouble
in interface RichIterable<T>
collectDouble
in interface UnsortedBag<T>
ImmutableFloatBag collectFloat(FloatFunction<? super T> floatFunction)
RichIterable
float
iterable with the results of applying the specified function on each element
of the source collection. This method is also commonly called transform or map.
Example using a Java 8 lambda expression:
FloatIterable floats = people.collectFloat(person -> person.getHeightInInches());
Example using an anonymous inner class:
FloatIterable floats = people.collectFloat(new FloatFunction<Person>() { public float floatValueOf(Person person) { return person.getHeightInInches(); } });
collectFloat
in interface ImmutableCollection<T>
collectFloat
in interface RichIterable<T>
collectFloat
in interface UnsortedBag<T>
ImmutableIntBag collectInt(IntFunction<? super T> intFunction)
RichIterable
int
iterable with the results of applying the specified function on each element
of the source collection. This method is also commonly called transform or map.
Example using a Java 8 lambda expression:
IntIterable ints = people.collectInt(person -> person.getAge());
Example using an anonymous inner class:
IntIterable ints = people.collectInt(new IntFunction<Person>() { public int intValueOf(Person person) { return person.getAge(); } });
collectInt
in interface ImmutableCollection<T>
collectInt
in interface RichIterable<T>
collectInt
in interface UnsortedBag<T>
ImmutableLongBag collectLong(LongFunction<? super T> longFunction)
RichIterable
long
iterable with the results of applying the specified function on each element
of the source collection. This method is also commonly called transform or map.
Example using a Java 8 lambda expression:
LongIterable longs = people.collectLong(person -> person.getGuid());
Example using an anonymous inner class:
LongIterable longs = people.collectLong(new LongFunction<Person>() { public long longValueOf(Person person) { return person.getGuid(); } });
collectLong
in interface ImmutableCollection<T>
collectLong
in interface RichIterable<T>
collectLong
in interface UnsortedBag<T>
ImmutableShortBag collectShort(ShortFunction<? super T> shortFunction)
RichIterable
short
iterable with the results of applying the specified function on each element
of the source collection. This method is also commonly called transform or map.
Example using a Java 8 lambda expression:
ShortIterable shorts = people.collectShort(person -> person.getNumberOfJunkMailItemsReceivedPerMonth());
Example using an anonymous inner class:
ShortIterable shorts = people.collectShort(new ShortFunction<Person>() { public short shortValueOf(Person person) { return person.getNumberOfJunkMailItemsReceivedPerMonth(); } });
collectShort
in interface ImmutableCollection<T>
collectShort
in interface RichIterable<T>
collectShort
in interface UnsortedBag<T>
<P,V> ImmutableBag<V> collectWith(Function2<? super T,? super P,? extends V> function, P parameter)
RichIterable
RichIterable.collect(Function)
with a Function2
and specified parameter which is passed to the block.
Example using a Java 8 lambda expression:
RichIterable<Integer> integers = Lists.mutable.with(1, 2, 3).collectWith((each, parameter) -> each + parameter, Integer.valueOf(1));
Example using an anonymous inner class:
Function2<Integer, Integer, Integer> addParameterFunction = new Function2<Integer, Integer, Integer>() { public Integer value(Integer each, Integer parameter) { return each + parameter; } }; RichIterable<Integer> integers = Lists.mutable.with(1, 2, 3).collectWith(addParameterFunction, Integer.valueOf(1));
collectWith
in interface ImmutableCollection<T>
collectWith
in interface RichIterable<T>
collectWith
in interface UnsortedBag<T>
function
- A Function2
to use as the collect transformation functionparameter
- A parameter to pass in for evaluation of the second argument P
in function
RichIterable
that contains the transformed elements returned by Function2.value(Object, Object)
RichIterable.collect(Function)
<V> ImmutableBag<V> collectIf(Predicate<? super T> predicate, Function<? super T,? extends V> function)
RichIterable
Example using a Java 8 lambda and method reference:
RichIterable<String> strings = Lists.mutable.with(1, 2, 3).collectIf(e -> e != null, Object::toString);
Example using Predicates factory:
RichIterable<String> strings = Lists.mutable.with(1, 2, 3).collectIf(Predicates.notNull(), Functions.getToString());
collectIf
in interface ImmutableCollection<T>
collectIf
in interface RichIterable<T>
collectIf
in interface UnsortedBag<T>
<V> ImmutableBag<V> collectWithOccurrences(ObjectIntToObjectFunction<? super T,? extends V> function)
Bag
collectWithOccurrences
in interface Bag<T>
collectWithOccurrences
in interface ImmutableBagIterable<T>
collectWithOccurrences
in interface UnsortedBag<T>
<V> ImmutableBag<V> flatCollect(Function<? super T,? extends Iterable<V>> function)
RichIterable
flatCollect
is a special case of RichIterable.collect(Function)
. With collect
, when the Function
returns
a collection, the result is a collection of collections. flatCollect
outputs a single "flattened" collection
instead. This method is commonly called flatMap.
Consider the following example where we have a Person
class, and each Person
has a list of Address
objects. Take the following Function
:
Function<Person, List<Address>> addressFunction = Person::getAddresses; RichIterable<Person> people = ...;Using
collect
returns a collection of collections of addresses.
RichIterable<List<Address>> addresses = people.collect(addressFunction);Using
flatCollect
returns a single flattened list of addresses.
RichIterable<Address> addresses = people.flatCollect(addressFunction);
flatCollect
in interface ImmutableCollection<T>
flatCollect
in interface RichIterable<T>
flatCollect
in interface UnsortedBag<T>
function
- The Function
to applyfunction
default <P,V> ImmutableBag<V> flatCollectWith(Function2<? super T,? super P,? extends Iterable<V>> function, P parameter)
flatCollectWith
in interface ImmutableCollection<T>
flatCollectWith
in interface RichIterable<T>
flatCollectWith
in interface UnsortedBag<T>
default <V> ImmutableBag<V> countBy(Function<? super T,? extends V> function)
RichIterable
countBy
in interface ImmutableCollection<T>
countBy
in interface RichIterable<T>
default <V,P> ImmutableBag<V> countByWith(Function2<? super T,? super P,? extends V> function, P parameter)
RichIterable
countByWith
in interface ImmutableCollection<T>
countByWith
in interface RichIterable<T>
default <V> ImmutableBag<V> countByEach(Function<? super T,? extends Iterable<V>> function)
RichIterable
countByEach
in interface ImmutableCollection<T>
countByEach
in interface RichIterable<T>
<V> ImmutableBagMultimap<V,T> groupBy(Function<? super T,? extends V> function)
RichIterable
Example using a Java 8 method reference:
Multimap<String, Person> peopleByLastName = people.groupBy(Person::getLastName);
Example using an anonymous inner class:
Multimap<String, Person> peopleByLastName = people.groupBy(new Function<Person, String>() { public String valueOf(Person person) { return person.getLastName(); } });
groupBy
in interface Bag<T>
groupBy
in interface ImmutableBagIterable<T>
groupBy
in interface ImmutableCollection<T>
groupBy
in interface RichIterable<T>
groupBy
in interface UnsortedBag<T>
<V> ImmutableBagMultimap<V,T> groupByEach(Function<? super T,? extends Iterable<V>> function)
RichIterable
RichIterable.groupBy(Function)
, except the result of evaluating function will return a collection of keys
for each value.groupByEach
in interface Bag<T>
groupByEach
in interface ImmutableBagIterable<T>
groupByEach
in interface ImmutableCollection<T>
groupByEach
in interface RichIterable<T>
groupByEach
in interface UnsortedBag<T>
@Deprecated <S> ImmutableBag<Pair<T,S>> zip(Iterable<S> that)
OrderedIterable.zip(Iterable)
instead.RichIterable
RichIterable
formed from this RichIterable
and another RichIterable
by
combining corresponding elements in pairs. If one of the two RichIterable
s is longer than the other, its
remaining elements are ignored.zip
in interface ImmutableCollection<T>
zip
in interface RichIterable<T>
zip
in interface UnsortedBag<T>
S
- the type of the second half of the returned pairsthat
- The RichIterable
providing the second half of each result pairRichIterable
containing pairs consisting of corresponding elements of this
RichIterable
and that. The length of the returned RichIterable
is the minimum of the lengths of
this RichIterable
and that.@Deprecated ImmutableSet<Pair<T,Integer>> zipWithIndex()
OrderedIterable.zipWithIndex()
instead.RichIterable
RichIterable
with its indices.zipWithIndex
in interface Bag<T>
zipWithIndex
in interface ImmutableBagIterable<T>
zipWithIndex
in interface ImmutableCollection<T>
zipWithIndex
in interface RichIterable<T>
zipWithIndex
in interface UnsortedBag<T>
RichIterable
containing pairs consisting of all elements of this RichIterable
paired with their index. Indices start at 0.RichIterable.zip(Iterable)
ImmutableList<ObjectIntPair<T>> topOccurrences(int count)
Bag
count
most frequently occurring items.
In the event of a tie, all of the items with the number of occurrences that match the occurrences of the last
item will be returned.topOccurrences
in interface Bag<T>
ImmutableList<ObjectIntPair<T>> bottomOccurrences(int count)
Bag
count
least frequently occurring items.
In the event of a tie, all of the items with the number of occurrences that match the occurrences of the last
item will be returned.bottomOccurrences
in interface Bag<T>
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