public interface PersistentCollectionX<T> extends FluentCollectionX<T>
Fn1.ยต, Fn1.FunctionalOperations<T1,R>
Modifier and Type | Method and Description |
---|---|
default PersistentCollectionX<T> |
append(T... values)
Append values to the take of this ReactiveSeq
|
default PersistentCollectionX<T> |
append(T value) |
default <U> PersistentCollectionX<U> |
cast(java.lang.Class<? extends U> type)
Cast all elements in a stream to a given type, possibly throwing a
ClassCastException . |
default PersistentCollectionX<ReactiveSeq<T>> |
combinations()
Generate the combinations based on values in the ExtendedTraversable.
|
default PersistentCollectionX<ReactiveSeq<T>> |
combinations(int size)
Generate the combinations based on values in the ExtendedTraversable.
|
default PersistentCollectionX<T> |
combine(java.util.function.BiPredicate<? super T,? super T> predicate,
java.util.function.BinaryOperator<T> op)
Combine two adjacent elements in a traversable using the supplied BinaryOperator
This is a stateful grouping and reduction operation.
|
default PersistentCollectionX<T> |
cycle(long times)
Convert to a Stream with the values repeated specified times
|
default PersistentCollectionX<T> |
cycle(Monoid<T> m,
long times)
Convert to a Stream with the result of a reduction operation repeated
specified times
|
default PersistentCollectionX<T> |
cycleUntil(java.util.function.Predicate<? super T> predicate)
Repeat in a Stream until specified predicate holds
|
default PersistentCollectionX<T> |
cycleWhile(java.util.function.Predicate<? super T> predicate)
Repeat in a Stream while specified predicate holds
|
default PersistentCollectionX<T> |
deleteBetween(int start,
int end)
Delete elements between given indexes in a Stream
|
default PersistentCollectionX<T> |
distinct() |
default PersistentCollectionX<T> |
dropRight(int num)
Generate a new Traversable that drops the specified number elements from the take of this Traversable
|
default PersistentCollectionX<T> |
dropUntil(java.util.function.Predicate<? super T> p)
Generate a new Traversable that drops elements from this Traversable until the predicate holds
|
default PersistentCollectionX<T> |
dropWhile(java.util.function.Predicate<? super T> p)
Generate a new Traversable that drops elements from this Traversable as long as the predicate holds
|
<R> PersistentCollectionX<R> |
emptyUnit() |
default PersistentCollectionX<T> |
filter(java.util.function.Predicate<? super T> pred)
Keep only elements for which the supplied predicates hold
e.g.
|
default PersistentCollectionX<T> |
filterNot(java.util.function.Predicate<? super T> fn)
Remove any elements for which the predicate holds (inverse operation to filter)
e.g.
|
default <R> PersistentCollectionX<R> |
flatMap(java.util.function.Function<? super T,? extends java.lang.Iterable<? extends R>> mapper)
Perform a flatMap operation on this collection.
|
default <R> PersistentCollectionX<R> |
flatMapP(java.util.function.Function<? super T,? extends org.reactivestreams.Publisher<? extends R>> fn) |
default <R> PersistentCollectionX<R> |
flatMapS(java.util.function.Function<? super T,? extends java.util.stream.Stream<? extends R>> fn) |
<T1> PersistentCollectionX<T1> |
from(java.util.Collection<T1> c)
Conctruct an Extended Collection from a standard Collection
|
default <K> PersistentCollectionX<org.jooq.lambda.tuple.Tuple2<K,ReactiveSeq<T>>> |
grouped(java.util.function.Function<? super T,? extends K> classifier)
Group this Traversable by the provided classifying function and collected by the provided Collector
|
default <K,A,D> PersistentCollectionX<org.jooq.lambda.tuple.Tuple2<K,D>> |
grouped(java.util.function.Function<? super T,? extends K> classifier,
java.util.stream.Collector<? super T,A,D> downstream)
Group this Traversable by the provided classifying function and collected by the provided Collector
|
default PersistentCollectionX<ListX<T>> |
grouped(int groupSize)
Group elements in a Stream
|
default <C extends java.util.Collection<? super T>> |
grouped(int size,
java.util.function.Supplier<C> supplier)
Batch elements in a Stream by size into a collection created by the
supplied factory
|
default PersistentCollectionX<ListX<T>> |
groupedStatefullyUntil(java.util.function.BiPredicate<ListX<? super T>,? super T> predicate)
Create Travesable of Lists where
each List is populated while the supplied bipredicate holds.
|
default PersistentCollectionX<ListX<T>> |
groupedUntil(java.util.function.Predicate<? super T> predicate)
Create a Traversable batched by List, where each batch is populated until
the predicate holds
|
default <C extends java.util.Collection<? super T>> |
groupedUntil(java.util.function.Predicate<? super T> predicate,
java.util.function.Supplier<C> factory)
Create a ReactiveSeq batched by a Collection, where each batch is populated
until the predicate holds
|
default PersistentCollectionX<ListX<T>> |
groupedWhile(java.util.function.Predicate<? super T> predicate)
Create a Traversable batched by List, where each batch is populated while
the predicate holds
|
default <C extends java.util.Collection<? super T>> |
groupedWhile(java.util.function.Predicate<? super T> predicate,
java.util.function.Supplier<C> factory)
Create a SequenceM batched by a Collection, where each batch is populated
while the predicate holds
|
default PersistentCollectionX<T> |
insertAt(int pos,
T... values)
Insert data into a stream at given position
|
default PersistentCollectionX<T> |
insertAtS(int pos,
java.util.stream.Stream<T> stream)
Insert a Stream into the middle of this stream at the specified position
|
default PersistentCollectionX<T> |
intersperse(T value)
Returns a stream with a given value interspersed between any two values
of this stream.
|
default PersistentCollectionX<T> |
limit(long num)
assertThat(ReactiveSeq.of(4,3,6,7).limit(2).toList(),equalTo(Arrays.asList(4,3)); |
default PersistentCollectionX<T> |
limitLast(int num)
Limit results to the last x elements in a SequenceM
|
default PersistentCollectionX<T> |
limitUntil(java.util.function.Predicate<? super T> p)
Take elements from the Stream until the predicate returns true, after
which all elements are excluded.
|
default PersistentCollectionX<T> |
limitWhile(java.util.function.Predicate<? super T> p)
Take elements from the Stream while the predicate holds, once the
predicate returns false all subsequent elements are excluded
|
default <R> PersistentCollectionX<R> |
map(java.util.function.Function<? super T,? extends R> mapper)
Transform this functor using the supplied transformation function
|
<T> Reducer<? extends java.util.Collection<T>> |
monoid() |
default PersistentCollectionX<T> |
notNull()
Filter elements retaining only values which are not null
|
default <U> PersistentCollectionX<U> |
ofType(java.lang.Class<? extends U> type)
Keep only those elements in a stream that are of a given type.
|
default PersistentCollectionX<T> |
onEmpty(T value)
If this Container instance is empty, create a new instance containing the provided value
|
default PersistentCollectionX<T> |
onEmptyGet(java.util.function.Supplier<? extends T> supplier)
If this Container instance is empty, create a new instance containing the value returned from the provided Supplier
|
default <X extends java.lang.Throwable> |
onEmptyThrow(java.util.function.Supplier<? extends X> supplier)
If this container instance is empty, throw the exception returned by the provided Supplier
|
default PersistentCollectionX<ReactiveSeq<T>> |
permutations()
Generate the permutations based on values in the ExtendedTraversable.
|
default PersistentCollectionX<T> |
plusInOrder(T e)
Add an element to the collection
|
default PersistentCollectionX<T> |
prepend(T... values)
Prepend given values to the skip of the Stream
|
default PersistentCollectionX<T> |
prepend(T value) |
default PersistentCollectionX<T> |
prependS(java.util.stream.Stream<? extends T> stream)
Prepend Stream to this ReactiveSeq
|
default PersistentCollectionX<T> |
removeAllS(java.lang.Iterable<? extends T> it)
Remove all elements in the supplied Iterable from this filterable
|
default PersistentCollectionX<T> |
removeAllS(java.util.stream.Stream<? extends T> stream)
Remove all elements in the supplied Stream from this filterable
|
default PersistentCollectionX<T> |
removeAllS(T... values)
Remove all supplied elements from this filterable
|
default PersistentCollectionX<T> |
retainAllS(java.lang.Iterable<? extends T> it)
Retain only the supplied elements in the returned Filters
|
default PersistentCollectionX<T> |
retainAllS(java.util.stream.Stream<? extends T> seq)
Retain only the supplied elements in the returned Filters
|
default PersistentCollectionX<T> |
retainAllS(T... values)
Retain only the supplied elements in the returned Filters
|
default CollectionX<T> |
reverse()
Potentially efficient Stream reversal.
|
default PersistentCollectionX<T> |
scanLeft(Monoid<T> monoid)
Scan left using supplied Monoid
|
default <U> PersistentCollectionX<U> |
scanLeft(U seed,
java.util.function.BiFunction<? super U,? super T,? extends U> function)
Scan left
|
default PersistentCollectionX<T> |
scanRight(Monoid<T> monoid)
Scan right
|
default <U> PersistentCollectionX<U> |
scanRight(U identity,
java.util.function.BiFunction<? super T,? super U,? extends U> combiner)
Scan right
|
default PersistentCollectionX<T> |
shuffle() |
default PersistentCollectionX<T> |
shuffle(java.util.Random random) |
default PersistentCollectionX<T> |
skip(long num)
assertThat(ReactiveSeq.of(4,3,6,7).skip(2).toList(),equalTo(Arrays.asList(6,7))); |
default PersistentCollectionX<T> |
skipLast(int num)
assertThat(ReactiveSeq.of(1,2,3,4,5) .skipLast(2)
.collect(Collectors.toList()),equalTo(Arrays.asList(1,2,3)));
|
default PersistentCollectionX<T> |
skipUntil(java.util.function.Predicate<? super T> p)
Drop elements from the Stream until the predicate returns true, after
which all elements are included
|
default PersistentCollectionX<T> |
skipWhile(java.util.function.Predicate<? super T> p)
SkipWhile drops elements from the Stream while the predicate holds, once
the predicte returns true all subsequent elements are included *
|
default PersistentCollectionX<T> |
slice(long from,
long to) |
default PersistentCollectionX<PVectorX<T>> |
sliding(int windowSize)
Create a sliding view over this Sequence
|
default PersistentCollectionX<PVectorX<T>> |
sliding(int windowSize,
int increment)
Create a sliding view over this Sequence
|
default PersistentCollectionX<T> |
sorted()
assertThat(ReactiveSeq.of(4,3,6,7)).sorted().toList(),equalTo(Arrays.asList(3,4,6,7))); |
default PersistentCollectionX<T> |
sorted(java.util.Comparator<? super T> c)
assertThat(ReactiveSeq.of(4,3,6,7).sorted((a,b) -> b-a).toList(),equalTo(Arrays.asList(7,6,4,3)));
|
default <U extends java.lang.Comparable<? super U>> |
sorted(java.util.function.Function<? super T,? extends U> function) |
default ReactiveSeq<T> |
stream() |
default PersistentCollectionX<T> |
takeRight(int num)
Generate a new Traversable that takes the specified number elements from the take of this Traversable
|
default PersistentCollectionX<T> |
takeUntil(java.util.function.Predicate<? super T> p)
Generate a new Traversable that takes elements from this Traversable until the predicate holds
|
default PersistentCollectionX<T> |
takeWhile(java.util.function.Predicate<? super T> p)
Generate a new Traversable that takes elements from this Traversable as long as the predicate holds
|
default <R> PersistentCollectionX<R> |
trampoline(java.util.function.Function<? super T,? extends Trampoline<? extends R>> mapper)
Performs a map operation that can call a recursive method without running out of stack space
|
<R> PersistentCollectionX<R> |
unit(java.util.Collection<R> col)
Create a new instance of the same colleciton type from the supplied collection
|
default <U> PersistentCollectionX<org.jooq.lambda.tuple.Tuple2<T,U>> |
zip(java.lang.Iterable<? extends U> other)
Zip (merge) this collection with the supplied Iterable into a Colleciton containing Tuples
Each Tuple contains one element from this collection and one from the other
|
default <U,R> PersistentCollectionX<R> |
zip(java.lang.Iterable<? extends U> other,
java.util.function.BiFunction<? super T,? super U,? extends R> zipper)
Zip (combine) this Zippable with the supplied Iterable using the supplied combining function
|
default <S,U> PersistentCollectionX<org.jooq.lambda.tuple.Tuple3<T,S,U>> |
zip3(java.lang.Iterable<? extends S> second,
java.lang.Iterable<? extends U> third)
zip 3 Streams into one
|
default <T2,T3,T4> PersistentCollectionX<org.jooq.lambda.tuple.Tuple4<T,T2,T3,T4>> |
zip4(java.lang.Iterable<? extends T2> second,
java.lang.Iterable<? extends T3> third,
java.lang.Iterable<? extends T4> fourth)
zip 4 Streams into 1
|
default <U> PersistentCollectionX<org.jooq.lambda.tuple.Tuple2<T,U>> |
zipS(java.util.stream.Stream<? extends U> other)
Zip (combine) this Zippable with the supplied Stream combining both into a Tuple2
|
default <U,R> PersistentCollectionX<R> |
zipS(java.util.stream.Stream<? extends U> other,
java.util.function.BiFunction<? super T,? super U,? extends R> zipper)
Zip (combine) this Zippable with the supplied Stream, using the supplied combining function
|
default PersistentCollectionX<org.jooq.lambda.tuple.Tuple2<T,java.lang.Long>> |
zipWithIndex()
Add an index to the current Stream
|
minus, minusAll, plus, plusAll, plusLoop, plusLoop
drop, findAny, findFirst, forEach2, forEach2, forEach3, forEach3, forEach4, forEach4, fromCollection, getAtIndex, groupBy, head, headAndTail, isEmpty, iterator, materialize, peek, single, single, singleOptional, take, unit
apply, foldFuture, foldLazy, foldTry, forEach, forEach, forEach, forEach, forEach, runFuture, runLazy, seq, visit
andThen, andThen, bind, compose, functionOps, lift, lift, liftF, liftOpt, liftTry, memoize, memoize, product, reader, ฮป, ฮปv
apply, applyPartially, applyPartially, curry, curry, from, toFunction
allMatch, anyMatch, avg, avgDouble, avgInt, avgLong, bitAnd, bitAndInt, bitAndLong, bitOr, bitOrInt, bitOrLong, collect, collectable, commonPrefix, commonSuffix, count, count, countDistinct, countDistinct, countDistinctBy, countDistinctBy, max, max, max, max, maxAll, maxAll, maxAll, maxAll, maxAllBy, maxAllBy, maxBy, maxBy, median, median, medianBy, medianBy, min, min, min, min, minAll, minAll, minAll, minAll, minAllBy, minAllBy, minBy, minBy, mode, modeAll, modeAllBy, modeBy, noneMatch, percentile, percentile, percentileBy, percentileBy, sum, sumDouble, sumInt, sumLong, toCollection, toList, toList, toMap, toMap, toSet, toSet, toString, toString
endsWith, endsWithIterable, firstValue, foldLeft, foldLeft, foldLeft, foldLeft, foldRight, foldRight, foldRight, foldRightMapToType, get, join, join, join, mapReduce, mapReduce, print, print, printErr, printOut, reduce, reduce, reduce, reduce, reduce, reduce, reduce, schedule, scheduleFixedDelay, scheduleFixedRate, startsWith, startsWithIterable, toConcurrentLazyCollection, toConcurrentLazyStreamable, toLazyCollection, xMatch
toDequeX, toFutureStream, toFutureStream, toListX, toMapX, toOptional, toPBagX, toPMapX, toPOrderedSetX, toPQueueX, toPSetX, toPStackX, toPVectorX, toQueueX, toSetX, toSimpleReact, toSimpleReact, toSortedSetX, toStreamable, toValue
mapToDouble, mapToInt, mapToLong, recover, recover, subscribe, traversable, unitIterator
zip, zip3, zip4, zipP, zipP, zipWith, zipWithP, zipWithS
futureStream, getStreamable, jdkStream, reactiveSeq, reveresedJDKStream, reveresedStream
retry, retry
groupedStatefullyUntilT, groupedT, groupedUntilT, groupedWhileT, slidingT, slidingT
fixedDelay, onePer, xPer
default ReactiveSeq<T> stream()
stream
in interface java.util.Collection<T>
stream
in interface CollectionX<T>
stream
in interface ConvertableSequence<T>
stream
in interface ExtendedTraversable<T>
stream
in interface FoldableTraversable<T>
stream
in interface Sequential<T>
stream
in interface ToStream<T>
stream
in interface TransformerTraversable<T>
stream
in interface Traversable<T>
default PersistentCollectionX<T> plusInOrder(T e)
FluentCollectionX
plusInOrder
in interface FluentCollectionX<T>
e
- Element to add<R> PersistentCollectionX<R> unit(java.util.Collection<R> col)
FluentCollectionX
unit
in interface FluentCollectionX<T>
col
- Collection data to populate the new collection<R> PersistentCollectionX<R> emptyUnit()
<T> Reducer<? extends java.util.Collection<T>> monoid()
<T1> PersistentCollectionX<T1> from(java.util.Collection<T1> c)
CollectionX
from
in interface CollectionX<T>
c
- Collection to extenddefault CollectionX<T> reverse()
Traversable
assertThat( of(1, 2, 3).reverse().toList(),
equalTo(asList(3, 2, 1)));
reverse
in interface CollectionX<T>
reverse
in interface Traversable<T>
default PersistentCollectionX<T> filter(java.util.function.Predicate<? super T> pred)
Filters
of(1,2,3).filter(i->i>2);
//[3]
filter
in interface CollectionX<T>
filter
in interface FilterableTransformable<T>
filter
in interface Filters<T>
pred
- to filter elements by, retaining matchesdefault <R> PersistentCollectionX<R> map(java.util.function.Function<? super T,? extends R> mapper)
Transformable
of(1,2,3).map(i->i*2)
//[2,4,6]
map
in interface CollectionX<T>
map
in interface FilterableTransformable<T>
map
in interface Transformable<T>
mapper
- Transformation functiondefault <R> PersistentCollectionX<R> flatMap(java.util.function.Function<? super T,? extends java.lang.Iterable<? extends R>> mapper)
CollectionX
flatMap
in interface CollectionX<T>
mapper
- Transformation function to be applied (and flattened)default PersistentCollectionX<T> limit(long num)
Traversable
assertThat(ReactiveSeq.of(4,3,6,7).limit(2).toList(),equalTo(Arrays.asList(4,3));
limit
in interface CollectionX<T>
limit
in interface Traversable<T>
num
- Limit element size to numdefault PersistentCollectionX<T> skip(long num)
Traversable
assertThat(ReactiveSeq.of(4,3,6,7).skip(2).toList(),equalTo(Arrays.asList(6,7)));
skip
in interface CollectionX<T>
skip
in interface Traversable<T>
num
- Number of elemenets to skipdefault PersistentCollectionX<T> dropRight(int num)
Traversable
ListX.of(1,2,3).dropRight(2);
//[1]
dropRight
in interface CollectionX<T>
dropRight
in interface Traversable<T>
num
- Drop this number of elements from the take of this Traversabledefault PersistentCollectionX<T> takeRight(int num)
Traversable
ListX.of(1,2,3).takeRight(2);
//[2,3]
takeRight
in interface CollectionX<T>
takeRight
in interface Traversable<T>
num
- Take this number of elements from the take of this Traversabledefault PersistentCollectionX<T> takeWhile(java.util.function.Predicate<? super T> p)
Traversable
ListX.of(1,2,3).takeWhile(i<3);
//[1,2]
takeWhile
in interface CollectionX<T>
takeWhile
in interface Traversable<T>
p
- Predicate to determine when values should be takendefault PersistentCollectionX<T> dropWhile(java.util.function.Predicate<? super T> p)
Traversable
ListX.of(1,2,3).dropWhile(i<3);
//[3]
dropWhile
in interface CollectionX<T>
dropWhile
in interface Traversable<T>
p
- Predicate to determine when values should be droppeddefault PersistentCollectionX<T> takeUntil(java.util.function.Predicate<? super T> p)
Traversable
ListX.of(1,2,3).takeUntil(i<2);
//[1,2]
takeUntil
in interface CollectionX<T>
takeUntil
in interface Traversable<T>
p
- Predicate to determine when values should be taken untildefault PersistentCollectionX<T> dropUntil(java.util.function.Predicate<? super T> p)
Traversable
ListX.of(1,2,3).dropUntil(i>2);
//[3]
dropUntil
in interface CollectionX<T>
dropUntil
in interface Traversable<T>
p
- Predicate to determine when values should be droppeddefault <R> PersistentCollectionX<R> trampoline(java.util.function.Function<? super T,? extends Trampoline<? extends R>> mapper)
ReactiveSeq.of(10,20,30,40)
.trampoline(i-> fibonacci(i))
.forEach(System.out::println);
Trampoline<Long> fibonacci(int i){
return fibonacci(i,1,0);
}
Trampoline<Long> fibonacci(int n, long a, long b) {
return n == 0 ? Trampoline.done(b) : Trampoline.more( ()->fibonacci(n-1, a+b, a));
}
55
6765
832040
102334155
ReactiveSeq.of(10_000,200_000,3_000_000,40_000_000)
.trampoline(i-> fibonacci(i))
.forEach(System.out::println);
completes successfully
trampoline
in interface CollectionX<T>
trampoline
in interface Transformable<T>
mapper
- default PersistentCollectionX<T> slice(long from, long to)
slice
in interface CollectionX<T>
slice
in interface Traversable<T>
default <U extends java.lang.Comparable<? super U>> PersistentCollectionX<T> sorted(java.util.function.Function<? super T,? extends U> function)
sorted
in interface CollectionX<T>
sorted
in interface Traversable<T>
default PersistentCollectionX<ListX<T>> grouped(int groupSize)
Traversable
List<List<Integer>> list = ReactiveSeq.of(1, 2, 3, 4, 5, 6).grouped(3).collect(Collectors.toList());
assertThat(list.get(0), hasItems(1, 2, 3));
assertThat(list.get(1), hasItems(4, 5, 6));
grouped
in interface CollectionX<T>
grouped
in interface Traversable<T>
groupSize
- Size of each Groupdefault <K,A,D> PersistentCollectionX<org.jooq.lambda.tuple.Tuple2<K,D>> grouped(java.util.function.Function<? super T,? extends K> classifier, java.util.stream.Collector<? super T,A,D> downstream)
Traversable
grouped
in interface CollectionX<T>
grouped
in interface Traversable<T>
classifier
- Grouping functiondownstream
- Collector to create the grouping collectiondefault <K> PersistentCollectionX<org.jooq.lambda.tuple.Tuple2<K,ReactiveSeq<T>>> grouped(java.util.function.Function<? super T,? extends K> classifier)
Traversable
grouped
in interface CollectionX<T>
grouped
in interface Traversable<T>
classifier
- Grouping functiondefault <U> PersistentCollectionX<org.jooq.lambda.tuple.Tuple2<T,U>> zip(java.lang.Iterable<? extends U> other)
CollectionX
default <U,R> PersistentCollectionX<R> zip(java.lang.Iterable<? extends U> other, java.util.function.BiFunction<? super T,? super U,? extends R> zipper)
Zippable
zip
in interface CollectionX<T>
zip
in interface Traversable<T>
zip
in interface Zippable<T>
other
- to zip withzipper
- Zip functiondefault <U,R> PersistentCollectionX<R> zipS(java.util.stream.Stream<? extends U> other, java.util.function.BiFunction<? super T,? super U,? extends R> zipper)
Zippable
default PersistentCollectionX<PVectorX<T>> sliding(int windowSize)
Traversable
List<List<Integer>> list = ReactiveSeq.of(1, 2, 3, 4, 5, 6).sliding(2).collect(Collectors.toList());
assertThat(list.get(0), hasItems(1, 2));
assertThat(list.get(1), hasItems(2, 3));
sliding
in interface CollectionX<T>
sliding
in interface Traversable<T>
windowSize
- Size of sliding windowdefault PersistentCollectionX<PVectorX<T>> sliding(int windowSize, int increment)
Traversable
List<List<Integer>> list = ReactiveSeq.of(1, 2, 3, 4, 5, 6).sliding(3, 2).collect(Collectors.toList());
assertThat(list.get(0), hasItems(1, 2, 3));
assertThat(list.get(1), hasItems(3, 4, 5));
sliding
in interface CollectionX<T>
sliding
in interface Traversable<T>
windowSize
- number of elements in each batchincrement
- for each windowdefault PersistentCollectionX<T> scanLeft(Monoid<T> monoid)
Traversable
assertEquals(asList("", "a", "ab", "abc"),ReactiveSeq.of("a", "b", "c")
.scanLeft(Reducers.toString("")).toList());
scanLeft
in interface CollectionX<T>
scanLeft
in interface Traversable<T>
default PersistentCollectionX<T> scanRight(Monoid<T> monoid)
Traversable
assertThat(of("a", "b", "c").scanRight(Monoid.of("", String::concat)).toList().size(),
is(asList("", "c", "bc", "abc").size()));
scanRight
in interface CollectionX<T>
scanRight
in interface Traversable<T>
default <U> PersistentCollectionX<U> scanLeft(U seed, java.util.function.BiFunction<? super U,? super T,? extends U> function)
Traversable
assertThat(of("a", "b", "c").scanLeft("", String::concat).toList().size(),
is(4));
scanLeft
in interface CollectionX<T>
scanLeft
in interface Traversable<T>
default <U> PersistentCollectionX<U> scanRight(U identity, java.util.function.BiFunction<? super T,? super U,? extends U> combiner)
Traversable
assertThat(of("a", "ab", "abc").map(str->str.length()).scanRight(0, (t, u) -> u + t).toList().size(),
is(asList(0, 3, 5, 6).size()));
scanRight
in interface CollectionX<T>
scanRight
in interface Traversable<T>
default PersistentCollectionX<T> cycle(long times)
Traversable
ReactiveSeq.of(1,2,2)
.cycle(3)
.collect(Collectors.toList());
//List[1,2,2,1,2,2,1,2,2]
cycle
in interface CollectionX<T>
cycle
in interface Traversable<T>
times
- Times values should be repeated within a Streamdefault PersistentCollectionX<T> cycle(Monoid<T> m, long times)
Traversable
List<Integer> list = ReactiveSeq.of(1,2,2))
.cycle(Reducers.toCountInt(),3)
.collect(Collectors.toList());
//List[3,3,3];
cycle
in interface CollectionX<T>
cycle
in interface Traversable<T>
m
- Monoid to be used in reductiontimes
- Number of times value should be repeateddefault PersistentCollectionX<T> cycleWhile(java.util.function.Predicate<? super T> predicate)
Traversable
MutableInt count = MutableInt.of(0);
ReactiveSeq.of(1, 2, 2).cycleWhile(next -> count++ < 6).collect(Collectors.toList());
// List(1,2,2,1,2,2)
cycleWhile
in interface CollectionX<T>
cycleWhile
in interface Traversable<T>
predicate
- repeat while truedefault PersistentCollectionX<T> cycleUntil(java.util.function.Predicate<? super T> predicate)
Traversable
MutableInt count =MutableInt.of(0);
ReactiveSeq.of(1,2,2)
.cycleUntil(next -> count.get()>6)
.peek(i-> count.mutate(i->i+1))
.collect(Collectors.toList());
//List[1,2,2,1,2,2,1]
cycleUntil
in interface CollectionX<T>
cycleUntil
in interface Traversable<T>
predicate
- repeat while truedefault <U> PersistentCollectionX<org.jooq.lambda.tuple.Tuple2<T,U>> zipS(java.util.stream.Stream<? extends U> other)
Traversable
zipS
in interface CollectionX<T>
zipS
in interface Traversable<T>
zipS
in interface Zippable<T>
other
- Stream to combine withdefault <S,U> PersistentCollectionX<org.jooq.lambda.tuple.Tuple3<T,S,U>> zip3(java.lang.Iterable<? extends S> second, java.lang.Iterable<? extends U> third)
Traversable
List<Tuple3<Integer, Integer, Character>> list = of(1, 2, 3, 4, 5, 6).zip3(of(100, 200, 300, 400), of('a', 'b', 'c')).collect(Collectors.toList());
// [[1,100,'a'],[2,200,'b'],[3,300,'c']]
zip3
in interface CollectionX<T>
zip3
in interface Traversable<T>
zip3
in interface Zippable<T>
default <T2,T3,T4> PersistentCollectionX<org.jooq.lambda.tuple.Tuple4<T,T2,T3,T4>> zip4(java.lang.Iterable<? extends T2> second, java.lang.Iterable<? extends T3> third, java.lang.Iterable<? extends T4> fourth)
Traversable
List<Tuple4<Integer, Integer, Character, String>> list = of(1, 2, 3, 4, 5, 6).zip4(of(100, 200, 300, 400), of('a', 'b', 'c'), of("hello", "world"))
.collect(Collectors.toList());
// [[1,100,'a',"hello"],[2,200,'b',"world"]]
zip4
in interface CollectionX<T>
zip4
in interface Traversable<T>
zip4
in interface Zippable<T>
default PersistentCollectionX<org.jooq.lambda.tuple.Tuple2<T,java.lang.Long>> zipWithIndex()
Traversable
assertEquals(asList(new Tuple2("a", 0L), new Tuple2("b", 1L)), of("a", "b").zipWithIndex().toList());
zipWithIndex
in interface CollectionX<T>
zipWithIndex
in interface Traversable<T>
default PersistentCollectionX<T> distinct()
distinct
in interface CollectionX<T>
distinct
in interface Traversable<T>
default PersistentCollectionX<T> sorted()
Traversable
assertThat(ReactiveSeq.of(4,3,6,7)).sorted().toList(),equalTo(Arrays.asList(3,4,6,7)));
sorted
in interface CollectionX<T>
sorted
in interface Traversable<T>
default PersistentCollectionX<T> sorted(java.util.Comparator<? super T> c)
Traversable
assertThat(ReactiveSeq.of(4,3,6,7).sorted((a,b) -> b-a).toList(),equalTo(Arrays.asList(7,6,4,3)));
sorted
in interface CollectionX<T>
sorted
in interface Traversable<T>
c
- Compartor to sort withdefault PersistentCollectionX<T> skipWhile(java.util.function.Predicate<? super T> p)
Traversable
assertThat(ReactiveSeq.of(4,3,6,7).sorted().skipWhile(i->i<6).toList(),equalTo(Arrays.asList(6,7)));
skipWhile
in interface CollectionX<T>
skipWhile
in interface Traversable<T>
p
- Predicate to skip while truedefault PersistentCollectionX<T> skipUntil(java.util.function.Predicate<? super T> p)
Traversable
assertThat(ReactiveSeq.of(4,3,6,7).skipUntil(i->i==6).toList(),equalTo(Arrays.asList(6,7)));
skipUntil
in interface CollectionX<T>
skipUntil
in interface Traversable<T>
p
- Predicate to skip until truedefault PersistentCollectionX<T> limitWhile(java.util.function.Predicate<? super T> p)
Traversable
assertThat(ReactiveSeq.of(4,3,6,7).sorted().limitWhile(i->i<6).toList(),equalTo(Arrays.asList(3,4)));
limitWhile
in interface CollectionX<T>
limitWhile
in interface Traversable<T>
p
- Limit while predicate is truedefault PersistentCollectionX<T> limitUntil(java.util.function.Predicate<? super T> p)
Traversable
assertThat(ReactiveSeq.of(4,3,6,7).limitUntil(i->i==6).toList(),equalTo(Arrays.asList(4,3)));
limitUntil
in interface CollectionX<T>
limitUntil
in interface Traversable<T>
p
- Limit until predicate is truedefault PersistentCollectionX<T> intersperse(T value)
Traversable
intersperse
in interface CollectionX<T>
intersperse
in interface Traversable<T>
default PersistentCollectionX<T> shuffle()
shuffle
in interface CollectionX<T>
shuffle
in interface Traversable<T>
default PersistentCollectionX<T> skipLast(int num)
Traversable
skipLast
in interface CollectionX<T>
skipLast
in interface Traversable<T>
default PersistentCollectionX<T> limitLast(int num)
Traversable
assertThat(ReactiveSeq.of(1,2,3,4,5)
.limitLast(2)
.collect(Collectors.toList()),equalTo(Arrays.asList(4,5)));
limitLast
in interface CollectionX<T>
limitLast
in interface Traversable<T>
num
- of elements to return (last elements)default PersistentCollectionX<T> onEmpty(T value)
OnEmpty
onEmpty
in interface CollectionX<T>
onEmpty
in interface OnEmpty<T>
onEmpty
in interface Traversable<T>
default PersistentCollectionX<T> onEmptyGet(java.util.function.Supplier<? extends T> supplier)
OnEmpty
onEmptyGet
in interface CollectionX<T>
onEmptyGet
in interface OnEmpty<T>
onEmptyGet
in interface Traversable<T>
supplier
- to determine new value for containerdefault <X extends java.lang.Throwable> PersistentCollectionX<T> onEmptyThrow(java.util.function.Supplier<? extends X> supplier)
OnEmpty
onEmptyThrow
in interface CollectionX<T>
onEmptyThrow
in interface OnEmpty<T>
onEmptyThrow
in interface Traversable<T>
supplier
- to create exception fromdefault PersistentCollectionX<T> shuffle(java.util.Random random)
shuffle
in interface CollectionX<T>
shuffle
in interface Traversable<T>
default <U> PersistentCollectionX<U> ofType(java.lang.Class<? extends U> type)
Filters
// (1, 2, 3) ReactiveSeq.of(1, "a", 2, "b",3).ofType(Integer.class)
default PersistentCollectionX<T> filterNot(java.util.function.Predicate<? super T> fn)
Filters
of(1,2,3).filter(i->i>2);
//[1,2]
default PersistentCollectionX<T> notNull()
Filters
of(1,2,null,4).nonNull();
//[1,2,4]
default PersistentCollectionX<T> removeAllS(java.util.stream.Stream<? extends T> stream)
IterableFilterable
removeAllS
in interface CollectionX<T>
removeAllS
in interface IterableFilterable<T>
stream
- of elements to removedefault PersistentCollectionX<T> removeAllS(java.lang.Iterable<? extends T> it)
IterableFilterable
removeAllS
in interface CollectionX<T>
removeAllS
in interface IterableFilterable<T>
it
- an Iterable of elements to removedefault PersistentCollectionX<T> removeAllS(T... values)
IterableFilterable
removeAllS
in interface CollectionX<T>
removeAllS
in interface IterableFilterable<T>
values
- to removedefault PersistentCollectionX<T> retainAllS(java.lang.Iterable<? extends T> it)
IterableFilterable
retainAllS
in interface CollectionX<T>
retainAllS
in interface IterableFilterable<T>
it
- Iterable of elements to retaindefault PersistentCollectionX<T> retainAllS(java.util.stream.Stream<? extends T> seq)
IterableFilterable
retainAllS
in interface CollectionX<T>
retainAllS
in interface IterableFilterable<T>
seq
- of elements to retaindefault PersistentCollectionX<T> retainAllS(T... values)
IterableFilterable
retainAllS
in interface CollectionX<T>
retainAllS
in interface IterableFilterable<T>
values
- elements to retaindefault <U> PersistentCollectionX<U> cast(java.lang.Class<? extends U> type)
Transformable
ClassCastException
.
// ClassCastException ReactiveSeq.of(1, "a", 2, "b", 3).cast(Integer.class)cast
in interface CollectionX<T>
cast
in interface Transformable<T>
default PersistentCollectionX<ReactiveSeq<T>> permutations()
ExtendedTraversable
permutations
in interface CollectionX<T>
permutations
in interface ExtendedTraversable<T>
default PersistentCollectionX<ReactiveSeq<T>> combinations(int size)
ExtendedTraversable
ExtendedTraversable<Integer> stream = ReactiveSeq.of(1,2,3);
stream.combinations(2)
//ReactiveSeq[ReactiveSeq[1,2],ReactiveSeq[1,3],ReactiveSeq[2,3]]
combinations
in interface CollectionX<T>
combinations
in interface ExtendedTraversable<T>
size
- of combinationsdefault PersistentCollectionX<ReactiveSeq<T>> combinations()
ExtendedTraversable
ReactiveSeq.of(1,2,3).combinations()
//ReactiveSeq[ReactiveSeq[],ReactiveSeq[1],ReactiveSeq[2],ReactiveSeq[3].ReactiveSeq[1,2],ReactiveSeq[1,3],ReactiveSeq[2,3]
,ReactiveSeq[1,2,3]]
combinations
in interface CollectionX<T>
combinations
in interface ExtendedTraversable<T>
default <C extends java.util.Collection<? super T>> PersistentCollectionX<C> grouped(int size, java.util.function.Supplier<C> supplier)
Traversable
assertThat(ReactiveSeq.of(1,1,1,1,1,1)
.batchBySize(3,()->new TreeSet<>())
.toList()
.get(0)
.size(),is(1));
grouped
in interface CollectionX<T>
grouped
in interface Traversable<T>
size
- batch sizesupplier
- Collection factorydefault PersistentCollectionX<ListX<T>> groupedUntil(java.util.function.Predicate<? super T> predicate)
Traversable
assertThat(ReactiveSeq.of(1,2,3,4,5,6)
.groupedUntil(i->i%3==0)
.toList()
.size(),equalTo(2));
groupedUntil
in interface CollectionX<T>
groupedUntil
in interface Traversable<T>
predicate
- Batch until predicate holds, transform open next batchdefault PersistentCollectionX<ListX<T>> groupedStatefullyUntil(java.util.function.BiPredicate<ListX<? super T>,? super T> predicate)
Traversable
assertThat(ReactiveSeq.of(1,2,3,4,5,6)
.groupedStatefullyUntil((s,i)->s.contains(4) ? true : false)
.toList().size(),equalTo(5));
groupedStatefullyUntil
in interface CollectionX<T>
groupedStatefullyUntil
in interface Traversable<T>
predicate
- Window while truedefault PersistentCollectionX<T> combine(java.util.function.BiPredicate<? super T,? super T> predicate, java.util.function.BinaryOperator<T> op)
Traversable
ReactiveSeq.of(1,1,2,3)
.combine((a, b)->a.equals(b),Semigroups.intSum)
.toListX()
//ListX(3,4)
combine
in interface CollectionX<T>
combine
in interface Traversable<T>
predicate
- Test to see if two neighbours should be joinedop
- Reducer to combine neighboursdefault PersistentCollectionX<ListX<T>> groupedWhile(java.util.function.Predicate<? super T> predicate)
Traversable
assertThat(ReactiveSeq.of(1,2,3,4,5,6)
.groupedWhile(i->i%3!=0)
.toList().size(),equalTo(2));
groupedWhile
in interface CollectionX<T>
groupedWhile
in interface Traversable<T>
predicate
- Batch while predicate holds, transform open next batchdefault <C extends java.util.Collection<? super T>> PersistentCollectionX<C> groupedWhile(java.util.function.Predicate<? super T> predicate, java.util.function.Supplier<C> factory)
Traversable
assertThat(ReactiveSeq.of(1,2,3,4,5,6)
.batchWhile(i->i%3!=0)
.toList()
.size(),equalTo(2));
groupedWhile
in interface CollectionX<T>
groupedWhile
in interface Traversable<T>
predicate
- Batch while predicate holds, transform open next batchfactory
- Collection factorydefault <C extends java.util.Collection<? super T>> PersistentCollectionX<C> groupedUntil(java.util.function.Predicate<? super T> predicate, java.util.function.Supplier<C> factory)
Traversable
ReactiveSeq.of(1,2,3,4,5,6)
.groupedUntil(i->i%3!=0)
.toList()
//2
groupedUntil
in interface CollectionX<T>
groupedUntil
in interface Traversable<T>
predicate
- Batch until predicate holds, transform open next batchfactory
- Collection factorydefault <R> PersistentCollectionX<R> flatMapS(java.util.function.Function<? super T,? extends java.util.stream.Stream<? extends R>> fn)
flatMapS
in interface CollectionX<T>
default <R> PersistentCollectionX<R> flatMapP(java.util.function.Function<? super T,? extends org.reactivestreams.Publisher<? extends R>> fn)
flatMapP
in interface CollectionX<T>
default PersistentCollectionX<T> prependS(java.util.stream.Stream<? extends T> stream)
Traversable
List<String> result = ReactiveSeq.of(1, 2, 3)
.prependS(of(100, 200, 300))
.map(it -> it + "!!")
.collect(Collectors.toList());
assertThat(result, equalTo(Arrays.asList("100!!", "200!!", "300!!", "1!!", "2!!", "3!!")));
prependS
in interface Traversable<T>
stream
- to Prependdefault PersistentCollectionX<T> append(T... values)
Traversable
List<String> result = ReactiveSeq.of(1, 2, 3).append(100, 200, 300).map(it -> it + "!!").collect(Collectors.toList());
assertThat(result, equalTo(Arrays.asList("1!!", "2!!", "3!!", "100!!", "200!!", "300!!"))); *
append
in interface Traversable<T>
values
- to appenddefault PersistentCollectionX<T> append(T value)
append
in interface Traversable<T>
default PersistentCollectionX<T> prepend(T value)
prepend
in interface Traversable<T>
default PersistentCollectionX<T> prepend(T... values)
Traversable
List<String> result = ReactiveSeq.of(1,2,3)
.prepend(100,200,300)
.map(it ->it+"!!")
.collect(Collectors.toList());
assertThat(result,equalTo(Arrays.asList("100!!","200!!","300!!","1!!","2!!","3!!")));
prepend
in interface Traversable<T>
values
- to prependdefault PersistentCollectionX<T> insertAt(int pos, T... values)
Traversable
List<String> result = ReactiveSeq.of(1, 2, 3).insertAt(1, 100, 200, 300).map(it -> it + "!!").collect(Collectors.toList());
assertThat(result, equalTo(Arrays.asList("1!!", "100!!", "200!!", "300!!", "2!!", "3!!"))); *
insertAt
in interface Traversable<T>
pos
- to insert data atvalues
- to insertdefault PersistentCollectionX<T> deleteBetween(int start, int end)
Traversable
List<String> result = ReactiveSeq.of(1, 2, 3, 4, 5, 6).deleteBetween(2, 4).map(it -> it + "!!").collect(Collectors.toList());
assertThat(result, equalTo(Arrays.asList("1!!", "2!!", "5!!", "6!!"))); *
deleteBetween
in interface Traversable<T>
start
- indexend
- indexdefault PersistentCollectionX<T> insertAtS(int pos, java.util.stream.Stream<T> stream)
Traversable
List<String> result = ReactiveSeq.of(1, 2, 3).insertAtS(1, of(100, 200, 300)).map(it -> it + "!!").collect(Collectors.toList());
assertThat(result, equalTo(Arrays.asList("1!!", "100!!", "200!!", "300!!", "2!!", "3!!")));
insertAtS
in interface Traversable<T>
pos
- to insert Stream atstream
- to insert