public interface LazyCollectionX<T> extends FluentCollectionX<T>
| Modifier and Type | Method and Description |
|---|---|
default LazyCollectionX<T> |
append(T... values)
Append values to the take of this ReactiveSeq
|
default LazyCollectionX<T> |
append(T value) |
default <U> LazyCollectionX<U> |
cast(java.lang.Class<? extends U> type)
Cast all elements in a reactiveStream to a given type, possibly throwing a
ClassCastException. |
default LazyCollectionX<ReactiveSeq<T>> |
combinations()
Generate the combinations based on values in the ExtendedTraversable.
|
default LazyCollectionX<ReactiveSeq<T>> |
combinations(int size)
Generate the combinations based on values in the ExtendedTraversable.
|
default LazyCollectionX<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 LazyCollectionX<T> |
combine(Monoid<T> op,
java.util.function.BiPredicate<? super T,? super T> predicate)
Combine two adjacent elements in a traversable using the supplied BinaryOperator
This is a stateful grouping and reduction operation.
|
default LazyCollectionX<T> |
cycle(long times)
Convert to a Stream with the values repeated specified times
|
default LazyCollectionX<T> |
cycle(Monoid<T> m,
long times)
Convert to a Stream with the result of a reduction operation repeated
specified times
|
default LazyCollectionX<T> |
cycleUntil(java.util.function.Predicate<? super T> predicate)
Repeat in a Stream until specified predicate holds
|
default LazyCollectionX<T> |
cycleWhile(java.util.function.Predicate<? super T> predicate)
Repeat in a Stream while specified predicate holds
|
default LazyCollectionX<T> |
deleteBetween(int start,
int end)
Delete elements between given indexes in a Stream
|
default LazyCollectionX<T> |
distinct() |
default LazyCollectionX<T> |
dropRight(int num)
Generate a new Traversable that drops the specified number elements from the take of this Traversable
|
default LazyCollectionX<T> |
dropUntil(java.util.function.Predicate<? super T> p)
Generate a new Traversable that drops elements from this Traversable until the predicate holds
|
default LazyCollectionX<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
|
default LazyCollectionX<T> |
filter(java.util.function.Predicate<? super T> pred)
Keep only elements for which the supplied predicates hold
e.g.
|
default LazyCollectionX<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> CollectionX<R> |
flatMap(java.util.function.Function<? super T,? extends java.lang.Iterable<? extends R>> mapper)
Perform a flatMap operation on this toX.
|
default <R> LazyCollectionX<R> |
flatMapP(java.util.function.Function<? super T,? extends org.reactivestreams.Publisher<? extends R>> fn) |
default <R> LazyCollectionX<R> |
flatMapP(int maxConcurency,
java.util.function.Function<? super T,? extends org.reactivestreams.Publisher<? extends R>> fn) |
default <R> LazyCollectionX<R> |
flatMapS(java.util.function.Function<? super T,? extends java.util.stream.Stream<? extends R>> fn) |
<X> LazyCollectionX<X> |
fromStream(ReactiveSeq<X> stream) |
default <K> LazyCollectionX<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> LazyCollectionX<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 LazyCollectionX<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 toX created by the
supplied factory
|
default LazyCollectionX<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 LazyCollectionX<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 LazyCollectionX<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 LazyCollectionX<T> |
insertAt(int pos,
T... values)
Insert data into a reactiveStream at given position
|
default LazyCollectionX<T> |
insertAtS(int pos,
java.util.stream.Stream<T> stream)
Insert a Stream into the middle of this reactiveStream at the specified position
|
default LazyCollectionX<T> |
intersperse(T value)
Returns a reactiveStream with a given value interspersed between any two values
of this reactiveStream.
|
default LazyCollectionX<T> |
limit(long num)
assertThat(ReactiveSeq.of(4,3,6,7).limit(2).toList(),equalTo(Arrays.asList(4,3)); |
default LazyCollectionX<T> |
limitLast(int num)
Limit results to the last x elements in a SequenceM
|
default LazyCollectionX<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 LazyCollectionX<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> CollectionX<R> |
map(java.util.function.Function<? super T,? extends R> mapper)
Transform this functor using the supplied transformation function
|
default LazyCollectionX<T> |
minus(java.lang.Object e)
Remove the specified element from this toX
|
default LazyCollectionX<T> |
minusAll(java.util.Collection<?> list)
Remove all the specified elements from this toX
|
default LazyCollectionX<T> |
notNull()
Filter elements retaining only values which are not null
|
default <U> LazyCollectionX<U> |
ofType(java.lang.Class<? extends U> type)
Keep only those elements in a reactiveStream that are of a given type.
|
default LazyCollectionX<T> |
onEmpty(T value)
If this Container instance is zero, create a new instance containing the provided value
|
default LazyCollectionX<T> |
onEmptyGet(java.util.function.Supplier<? extends T> supplier)
If this Container instance is zero, 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 zero, throw the exception returned by the provided Supplier
|
default LazyCollectionX<ReactiveSeq<T>> |
permutations()
Generate the permutations based on values in the ExtendedTraversable.
|
default LazyCollectionX<T> |
plus(T e)
Add an element to this Collection
|
default LazyCollectionX<T> |
plusAll(java.util.Collection<? extends T> list)
Add all supplied elements to this Collection
|
default LazyCollectionX<T> |
prepend(T... values)
Prepend given values to the skip of the Stream
|
default LazyCollectionX<T> |
prepend(T value) |
default LazyCollectionX<T> |
prependS(java.util.stream.Stream<? extends T> stream)
Prepend Stream to this ReactiveSeq
|
default <EX extends java.lang.Throwable> |
recover(java.lang.Class<EX> exceptionClass,
java.util.function.Function<? super EX,? extends T> fn)
Recover from a particular exception type
|
default LazyCollectionX<T> |
recover(java.util.function.Function<? super java.lang.Throwable,? extends T> fn)
Recover from an exception with an alternative value
|
default <U> U |
reduce(U identity,
java.util.function.BiFunction<U,? super T,U> accumulator)
An equivalent function to
Stream.reduce(Object, BinaryOperator) |
default LazyCollectionX<T> |
removeAll(T... values)
Remove all supplied elements from this filterable
|
default LazyCollectionX<T> |
removeAllI(java.lang.Iterable<? extends T> it)
Remove all elements in the supplied Iterable from this filterable
|
default LazyCollectionX<T> |
removeAllS(java.util.stream.Stream<? extends T> stream)
Remove all elements in the supplied Stream from this filterable
|
default LazyCollectionX<T> |
retainAll(T... values)
Retain only the supplied elements in the returned Filters
|
default LazyCollectionX<T> |
retainAllI(java.lang.Iterable<? extends T> it)
Retain only the supplied elements in the returned Filters
|
default LazyCollectionX<T> |
retainAllS(java.util.stream.Stream<? extends T> stream)
Retain only the supplied elements in the returned Filters
|
default <R> LazyCollectionX<R> |
retry(java.util.function.Function<? super T,? extends R> fn)
Retry a transformation if it fails.
|
default <R> LazyCollectionX<R> |
retry(java.util.function.Function<? super T,? extends R> fn,
int retries,
long delay,
java.util.concurrent.TimeUnit timeUnit)
Retry a transformation if it fails.
|
default LazyCollectionX<T> |
reverse()
Potentially efficient Stream reversal.
|
default LazyCollectionX<T> |
scanLeft(Monoid<T> monoid)
Scan left using supplied Monoid
|
default <U> LazyCollectionX<U> |
scanLeft(U seed,
java.util.function.BiFunction<? super U,? super T,? extends U> function)
Scan left
|
default LazyCollectionX<T> |
scanRight(Monoid<T> monoid)
Scan right
|
default <U> LazyCollectionX<U> |
scanRight(U identity,
java.util.function.BiFunction<? super T,? super U,? extends U> combiner)
Scan right
|
default LazyCollectionX<T> |
shuffle() |
default LazyCollectionX<T> |
shuffle(java.util.Random random) |
default LazyCollectionX<T> |
skip(long num)
assertThat(ReactiveSeq.of(4,3,6,7).skip(2).toList(),equalTo(Arrays.asList(6,7))); |
default LazyCollectionX<T> |
skipLast(int num)
assertThat(ReactiveSeq.of(1,2,3,4,5) .skipLast(2)
.collect(CyclopsCollectors.toList()),equalTo(Arrays.asList(1,2,3)));
|
default LazyCollectionX<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 LazyCollectionX<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 LazyCollectionX<T> |
slice(long from,
long to) |
default LazyCollectionX<VectorX<T>> |
sliding(int windowSize)
Create a sliding view over this Sequence
|
default LazyCollectionX<VectorX<T>> |
sliding(int windowSize,
int increment)
Create a sliding view over this Sequence
|
default LazyCollectionX<T> |
sorted()
assertThat(ReactiveSeq.of(4,3,6,7)).sorted().toList(),equalTo(Arrays.asList(3,4,6,7))); |
default LazyCollectionX<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 LazyCollectionX<T> |
takeRight(int num)
Generate a new Traversable that takes the specified number elements from the take of this Traversable
|
default LazyCollectionX<T> |
takeUntil(java.util.function.Predicate<? super T> p)
Generate a new Traversable that takes elements from this Traversable until the predicate holds
|
default LazyCollectionX<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> LazyCollectionX<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
|
default LazyCollectionX<T> |
zip(java.util.function.BinaryOperator<Zippable<T>> combiner,
Zippable<T> app)
Combine two applicatives together using the provided BinaryOperator (Semigroup, Monoid and Reducer all
extend BinaryOperator - checkout SemigroupK and Monoids for a large number of canned combinations).
|
default <U> LazyCollectionX<org.jooq.lambda.tuple.Tuple2<T,U>> |
zip(java.lang.Iterable<? extends U> other)
Zip (merge) this toX with the supplied Iterable into a Colleciton containing Tuples
Each Tuple contains one element from this toX and one from the other
|
default <U,R> LazyCollectionX<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> LazyCollectionX<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 <S,U,R> LazyCollectionX<R> |
zip3(java.lang.Iterable<? extends S> second,
java.lang.Iterable<? extends U> third,
Fn3<? super T,? super S,? super U,? extends R> fn3) |
default <T2,T3,T4> LazyCollectionX<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 <T2,T3,T4,R> |
zip4(java.lang.Iterable<? extends T2> second,
java.lang.Iterable<? extends T3> third,
java.lang.Iterable<? extends T4> fourth,
Fn4<? super T,? super T2,? super T3,? super T4,? extends R> fn) |
default <T2,R> LazyCollectionX<R> |
zipP(org.reactivestreams.Publisher<? extends T2> publisher,
java.util.function.BiFunction<? super T,? super T2,? extends R> fn)
Zip (combine) this Zippable with the supplied Publisher, using the supplied combining function
|
default <U> LazyCollectionX<org.jooq.lambda.tuple.Tuple2<T,U>> |
zipP(org.reactivestreams.Publisher<? extends U> other) |
default <U> LazyCollectionX<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> LazyCollectionX<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 <R> LazyCollectionX<R> |
zipWith(java.lang.Iterable<java.util.function.Function<? super T,? extends R>> fn) |
default LazyCollectionX<org.jooq.lambda.tuple.Tuple2<T,java.lang.Long>> |
zipWithIndex()
Add an index to the current Stream
|
default <R> LazyCollectionX<R> |
zipWithP(org.reactivestreams.Publisher<java.util.function.Function<? super T,? extends R>> fn) |
default <R> LazyCollectionX<R> |
zipWithS(java.util.stream.Stream<java.util.function.Function<? super T,? extends R>> fn) |
plusInOrder, plusLoop, plusLoop, unitdrop, eager, evaluation, findAny, findFirst, forEach2, forEach2, forEach3, forEach3, forEach4, forEach4, from, fromCollection, getAtIndex, groupBy, head, headAndTail, isEager, isEmpty, isLazy, isMaterialized, iterator, lazy, materialize, materializeReversed, peek, single, single, singleUnsafe, stream, take, takeOne, toX, unitasFunction, foldFuture, foldLazy, foldTry, forEach, forEach, forEach, forEach, forEach, forEachSubscribe, forEachSubscribe, forEachSubscribe, runFuture, runLazy, seq, toListX, toSetX, visitallMatch, anyMatch, collect, collectors, commonPrefix, commonSuffix, count, count, countDistinct, countDistinct, countDistinctBy, countDistinctBy, max, maxBy, min, minBy, mode, noneMatch, sum, sumDouble, sumInt, sumLong, to, toList, toMap, toMap, toSet, toString, toStringendsWith, 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, schedule, scheduleFixedDelay, scheduleFixedRate, startsWith, startsWithIterable, xMatchmapToDouble, mapToInt, mapToLong, subscribe, traversable, unitIteratorgroupedStatefullyUntilT, groupedT, groupedUntilT, groupedWhileT, slidingT, slidingTfixedDelay, onePer, xPeradd, addAll, clear, contains, containsAll, equals, hashCode, parallelStream, remove, removeAll, removeIf, retainAll, size, spliterator, toArray, toArrayunwrap, unwrapIfInstance, unwrapNesteddefault <R> LazyCollectionX<R> flatMapP(int maxConcurency, java.util.function.Function<? super T,? extends org.reactivestreams.Publisher<? extends R>> fn)
flatMapP in interface CollectionX<T>default <R> LazyCollectionX<R> retry(java.util.function.Function<? super T,? extends R> fn)
Transformable
given(serviceMock.applyHKT(anyInt())).willThrow(
new RuntimeException(new SocketException("First")),
new RuntimeException(new IOException("Second"))).willReturn(
"42");
String result = ReactiveSeq.of( 1, 2, 3)
.retry(serviceMock)
.firstValue();
//result = 42
retry in interface Transformable<T>fn - Function to retry if failsdefault LazyCollectionX<T> combine(Monoid<T> op, java.util.function.BiPredicate<? super T,? super T> predicate)
Traversable
ReactiveSeq.of(1,1,2,3)
.combine(Monoids.intMult,(a, b)->a.equals(b))
.listX()
//ListX(1)
Simalar to @see Traversable.combine(BiPredicate, BinaryOperator) but differs in that the first comparison is always to the Monoid zero
This allows us to terminate with just a single valuecombine in interface Traversable<T>op - Monoid to combine neighbourspredicate - Test to see if two neighbours should be joined. The first parameter to the bi-predicate is the currently
accumulated result and the second is the next elementdefault <R> LazyCollectionX<R> retry(java.util.function.Function<? super T,? extends R> fn, int retries, long delay, java.util.concurrent.TimeUnit timeUnit)
Transformable
given(serviceMock.applyHKT(anyInt())).willThrow(
new RuntimeException(new SocketException("First")),
new RuntimeException(new IOException("Second"))).willReturn(
"42");
String result = ReactiveSeq.of( 1, 2, 3)
.retry(serviceMock, 7, 2, TimeUnit.SECONDS)
.firstValue();
//result = 42
retry in interface Transformable<T>fn - Function to retry if failsretries - Number of retriesdelay - Delay in TimeUnitstimeUnit - TimeUnit to use for delaydefault LazyCollectionX<T> recover(java.util.function.Function<? super java.lang.Throwable,? extends T> fn)
Traversable
assertThat(ReactiveSeq.of(1,2,3,4)
.map(i->i+2)
.map(u->{throw new RuntimeException();})
.recover(e->"hello")
.firstValue(),equalTo("hello"));
recover in interface Traversable<T>fn - Function that accepts a Throwable and returns an alternative
valuedefault <EX extends java.lang.Throwable> LazyCollectionX<T> recover(java.lang.Class<EX> exceptionClass, java.util.function.Function<? super EX,? extends T> fn)
Traversable
assertThat(ReactiveSeq.of(1,2,3,4)
.map(i->i+2)
.map(u->{ExceptionSoftener.throwSoftenedException( new IOException()); return null;})
.recover(IOException.class,e->"hello")
.firstValue(),equalTo("hello"));
recover in interface Traversable<T>exceptionClass - Type to recover fromfn - That accepts an error and returns an alternative valuedefault LazyCollectionX<T> zip(java.util.function.BinaryOperator<Zippable<T>> combiner, Zippable<T> app)
Zippablezip in interface Traversable<T>zip in interface Zippable<T>Semigroup,
Semigroups,
Monoid,
To lift any Semigroup (or monoid) up to handling Applicatives use the combineApplicatives operator in SemigroupK
{@see com.aol.cyclops2.SemigroupK#combineApplicatives(BiFunction) } or Monoids
{ {@see com.aol.cyclops2.Monoids#combineApplicatives(java.util.function.Function, com.aol.cyclops2.function.Monoid)
}
{@code
BinaryOperator> sumMaybes = SemigroupK.combineScalarFunctors(SemigroupK.intSum);
Maybe.just(1).zip(sumMaybes, Maybe.just(5))
//Maybe.just(6));
}
default <R> LazyCollectionX<R> zipWith(java.lang.Iterable<java.util.function.Function<? super T,? extends R>> fn)
default <R> LazyCollectionX<R> zipWithS(java.util.stream.Stream<java.util.function.Function<? super T,? extends R>> fn)
default <R> LazyCollectionX<R> zipWithP(org.reactivestreams.Publisher<java.util.function.Function<? super T,? extends R>> fn)
default <T2,R> LazyCollectionX<R> zipP(org.reactivestreams.Publisher<? extends T2> publisher, java.util.function.BiFunction<? super T,? super T2,? extends R> fn)
Zippabledefault <U> LazyCollectionX<org.jooq.lambda.tuple.Tuple2<T,U>> zipP(org.reactivestreams.Publisher<? extends U> other)
default <S,U,R> LazyCollectionX<R> zip3(java.lang.Iterable<? extends S> second, java.lang.Iterable<? extends U> third, Fn3<? super T,? super S,? super U,? extends R> fn3)
default <T2,T3,T4,R> LazyCollectionX<R> zip4(java.lang.Iterable<? extends T2> second, java.lang.Iterable<? extends T3> third, java.lang.Iterable<? extends T4> fourth, Fn4<? super T,? super T2,? super T3,? super T4,? extends R> fn)
default <U> U reduce(U identity,
java.util.function.BiFunction<U,? super T,U> accumulator)
FoldsStream.reduce(Object, BinaryOperator)reduce in interface Folds<T>identity - Identity value for the combiner function (leaves the input unchanged)accumulator - Combiner function<X> LazyCollectionX<X> fromStream(ReactiveSeq<X> stream)
stream - Create a MultableCollectionX from a Streamdefault LazyCollectionX<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),SemigroupK.intSum)
.listX()
//ListX(3,4)
combine in interface CollectionX<T>combine in interface Traversable<T>predicate - Test to see if two neighbours should be joined. The first parameter to the bi-predicate is the currently
accumulated result and the second is the next elementop - BinaryOperator to combine neighboursdefault LazyCollectionX<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 LazyCollectionX<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> CollectionX<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> CollectionX<R> flatMap(java.util.function.Function<? super T,? extends java.lang.Iterable<? extends R>> mapper)
CollectionXflatMap in interface CollectionX<T>mapper - Transformation function to be applied (and flattened)default LazyCollectionX<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 LazyCollectionX<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 LazyCollectionX<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 LazyCollectionX<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 LazyCollectionX<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 LazyCollectionX<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 LazyCollectionX<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 LazyCollectionX<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> LazyCollectionX<R> trampoline(java.util.function.Function<? super T,? extends Trampoline<? extends R>> mapper)
Transformable
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 - TCO Transformation functiondefault LazyCollectionX<T> slice(long from, long to)
slice in interface CollectionX<T>slice in interface Traversable<T>default LazyCollectionX<ListX<T>> grouped(int groupSize)
Traversable
List<List<Integer>> list = ReactiveSeq.of(1, 2, 3, 4, 5, 6).grouped(3).collect(CyclopsCollectors.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> LazyCollectionX<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)
Traversablegrouped in interface CollectionX<T>grouped in interface Traversable<T>classifier - Grouping functiondownstream - Collector to create the grouping toXdefault <K> LazyCollectionX<org.jooq.lambda.tuple.Tuple2<K,ReactiveSeq<T>>> grouped(java.util.function.Function<? super T,? extends K> classifier)
Traversablegrouped in interface CollectionX<T>grouped in interface Traversable<T>classifier - Grouping functiondefault <U> LazyCollectionX<org.jooq.lambda.tuple.Tuple2<T,U>> zip(java.lang.Iterable<? extends U> other)
CollectionXzip in interface CollectionX<T>zip in interface Traversable<T>zip in interface Zippable<T>other - Collection to merge with this onedefault <U,R> LazyCollectionX<R> zip(java.lang.Iterable<? extends U> other, java.util.function.BiFunction<? super T,? super U,? extends R> zipper)
Zippablezip in interface CollectionX<T>zip in interface Traversable<T>zip in interface Zippable<T>other - to zip withzipper - Zip functiondefault <U,R> LazyCollectionX<R> zipS(java.util.stream.Stream<? extends U> other, java.util.function.BiFunction<? super T,? super U,? extends R> zipper)
ZippablezipS in interface CollectionX<T>zipS in interface Traversable<T>zipS in interface Zippable<T>other - Stream to combine withzipper - Zip / combining functiondefault LazyCollectionX<VectorX<T>> sliding(int windowSize)
Traversable
List<List<Integer>> list = ReactiveSeq.of(1, 2, 3, 4, 5, 6).sliding(2).collect(CyclopsCollectors.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 LazyCollectionX<VectorX<T>> sliding(int windowSize, int increment)
Traversable
List<List<Integer>> list = ReactiveSeq.of(1, 2, 3, 4, 5, 6).sliding(3, 2).collect(CyclopsCollectors.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 LazyCollectionX<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 <U> LazyCollectionX<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 LazyCollectionX<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> LazyCollectionX<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 <U extends java.lang.Comparable<? super U>> LazyCollectionX<T> sorted(java.util.function.Function<? super T,? extends U> function)
sorted in interface CollectionX<T>sorted in interface Traversable<T>default LazyCollectionX<T> plus(T e)
FluentCollectionXplus in interface FluentCollectionX<T>e - Element to adddefault LazyCollectionX<T> plusAll(java.util.Collection<? extends T> list)
FluentCollectionXplusAll in interface FluentCollectionX<T>list - of elements to adddefault LazyCollectionX<T> minus(java.lang.Object e)
FluentCollectionXminus in interface FluentCollectionX<T>e - Element to removedefault LazyCollectionX<T> minusAll(java.util.Collection<?> list)
FluentCollectionXminusAll in interface FluentCollectionX<T>list - of elements to removedefault LazyCollectionX<T> cycle(long times)
Traversable
ReactiveSeq.of(1,2,2)
.cycle(3)
.collect(CyclopsCollectors.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 LazyCollectionX<T> cycle(Monoid<T> m, long times)
Traversable
List<Integer> list = ReactiveSeq.of(1,2,2))
.cycle(Reducers.toCountInt(),3)
.collect(CyclopsCollectors.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 LazyCollectionX<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(CyclopsCollectors.toList());
// List(1,2,2,1,2,2)
cycleWhile in interface CollectionX<T>cycleWhile in interface Traversable<T>predicate - repeat while truedefault LazyCollectionX<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(CyclopsCollectors.toList());
//List[1,2,2,1,2,2,1]
cycleUntil in interface CollectionX<T>cycleUntil in interface Traversable<T>predicate - repeat while truedefault <U> LazyCollectionX<org.jooq.lambda.tuple.Tuple2<T,U>> zipS(java.util.stream.Stream<? extends U> other)
TraversablezipS in interface CollectionX<T>zipS in interface Traversable<T>zipS in interface Zippable<T>other - Stream to combine withdefault <S,U> LazyCollectionX<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(CyclopsCollectors.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> LazyCollectionX<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(CyclopsCollectors.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 LazyCollectionX<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 LazyCollectionX<T> distinct()
distinct in interface CollectionX<T>distinct in interface Traversable<T>default LazyCollectionX<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 LazyCollectionX<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 LazyCollectionX<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 LazyCollectionX<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 LazyCollectionX<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 LazyCollectionX<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 LazyCollectionX<T> intersperse(T value)
Traversableintersperse in interface CollectionX<T>intersperse in interface Traversable<T>default LazyCollectionX<T> shuffle()
shuffle in interface CollectionX<T>shuffle in interface Traversable<T>default LazyCollectionX<T> skipLast(int num)
TraversableskipLast in interface CollectionX<T>skipLast in interface Traversable<T>default LazyCollectionX<T> limitLast(int num)
Traversable
assertThat(ReactiveSeq.of(1,2,3,4,5)
.limitLast(2)
.collect(CyclopsCollectors.toList()),equalTo(Arrays.asList(4,5)));
limitLast in interface CollectionX<T>limitLast in interface Traversable<T>num - of elements to return (last elements)default LazyCollectionX<T> onEmpty(T value)
OnEmptyonEmpty in interface CollectionX<T>onEmpty in interface OnEmpty<T>onEmpty in interface Traversable<T>default LazyCollectionX<T> onEmptyGet(java.util.function.Supplier<? extends T> supplier)
OnEmptyonEmptyGet 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> LazyCollectionX<T> onEmptyThrow(java.util.function.Supplier<? extends X> supplier)
OnEmptyonEmptyThrow in interface CollectionX<T>onEmptyThrow in interface OnEmpty<T>onEmptyThrow in interface Traversable<T>supplier - to create exception fromdefault LazyCollectionX<T> shuffle(java.util.Random random)
shuffle in interface CollectionX<T>shuffle in interface Traversable<T>default <U> LazyCollectionX<U> ofType(java.lang.Class<? extends U> type)
Filters
// (1, 2, 3) ReactiveSeq.of(1, "a", 2, "b",3).ofType(Integer.class)
default LazyCollectionX<T> filterNot(java.util.function.Predicate<? super T> fn)
Filters
of(1,2,3).filter(i->i>2);
//[1,2]
default LazyCollectionX<T> notNull()
Filters
of(1,2,null,4).nonNull();
//[1,2,4]
default LazyCollectionX<T> removeAllS(java.util.stream.Stream<? extends T> stream)
IterableFilterableremoveAllS in interface CollectionX<T>removeAllS in interface IterableFilterable<T>stream - of elements to removedefault LazyCollectionX<T> removeAllI(java.lang.Iterable<? extends T> it)
IterableFilterableremoveAllI in interface CollectionX<T>removeAllI in interface IterableFilterable<T>it - an Iterable of elements to removedefault LazyCollectionX<T> removeAll(T... values)
IterableFilterableremoveAll in interface CollectionX<T>removeAll in interface IterableFilterable<T>values - to removedefault LazyCollectionX<T> retainAllI(java.lang.Iterable<? extends T> it)
IterableFilterableretainAllI in interface CollectionX<T>retainAllI in interface IterableFilterable<T>it - Iterable of elements to retaindefault LazyCollectionX<T> retainAllS(java.util.stream.Stream<? extends T> stream)
IterableFilterableretainAllS in interface CollectionX<T>retainAllS in interface IterableFilterable<T>stream - of elements to retaindefault LazyCollectionX<T> retainAll(T... values)
IterableFilterableretainAll in interface CollectionX<T>retainAll in interface IterableFilterable<T>values - elements to retaindefault <U> LazyCollectionX<U> cast(java.lang.Class<? extends U> type)
TransformableClassCastException.
// ClassCastException ReactiveSeq.of(1, "a", 2, "b", 3).cast(Integer.class)cast in interface CollectionX<T>cast in interface Transformable<T>default LazyCollectionX<ReactiveSeq<T>> permutations()
ExtendedTraversablepermutations in interface CollectionX<T>permutations in interface ExtendedTraversable<T>default LazyCollectionX<ReactiveSeq<T>> combinations(int size)
ExtendedTraversable
ExtendedTraversable<Integer> reactiveStream = ReactiveSeq.of(1,2,3);
reactiveStream.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 LazyCollectionX<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>> LazyCollectionX<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 LazyCollectionX<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, applyHKT open next batchdefault LazyCollectionX<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, applyHKT open next batchdefault <C extends java.util.Collection<? super T>> LazyCollectionX<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, applyHKT open next batchfactory - Collection factorydefault <C extends java.util.Collection<? super T>> LazyCollectionX<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, applyHKT open next batchfactory - Collection factorydefault LazyCollectionX<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 <R> LazyCollectionX<R> flatMapS(java.util.function.Function<? super T,? extends java.util.stream.Stream<? extends R>> fn)
flatMapS in interface CollectionX<T>default <R> LazyCollectionX<R> flatMapP(java.util.function.Function<? super T,? extends org.reactivestreams.Publisher<? extends R>> fn)
flatMapP in interface CollectionX<T>default LazyCollectionX<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(CyclopsCollectors.toList());
assertThat(result, equalTo(Arrays.asList("100!!", "200!!", "300!!", "1!!", "2!!", "3!!")));
prependS in interface Traversable<T>stream - to Prependdefault LazyCollectionX<T> append(T... values)
Traversable
List<String> result = ReactiveSeq.of(1, 2, 3).append(100, 200, 300).map(it -> it + "!!").collect(CyclopsCollectors.toList());
assertThat(result, equalTo(Arrays.asList("1!!", "2!!", "3!!", "100!!", "200!!", "300!!"))); *
append in interface Traversable<T>values - to appenddefault LazyCollectionX<T> append(T value)
append in interface Traversable<T>default LazyCollectionX<T> prepend(T value)
prepend in interface Traversable<T>default LazyCollectionX<T> prepend(T... values)
Traversable
List<String> result = ReactiveSeq.of(1,2,3)
.prepend(100,200,300)
.map(it ->it+"!!")
.collect(CyclopsCollectors.toList());
assertThat(result,equalTo(Arrays.asList("100!!","200!!","300!!","1!!","2!!","3!!")));
prepend in interface Traversable<T>values - to prependdefault LazyCollectionX<T> insertAt(int pos, T... values)
Traversable
List<String> result = ReactiveSeq.of(1, 2, 3).insertAt(1, 100, 200, 300).map(it -> it + "!!").collect(CyclopsCollectors.toList());
assertThat(result, equalTo(Arrays.asList("1!!", "100!!", "200!!", "300!!", "2!!", "3!!"))); *
insertAt in interface Traversable<T>pos - to insert data atvalues - to insertdefault LazyCollectionX<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(CyclopsCollectors.toList());
assertThat(result, equalTo(Arrays.asList("1!!", "2!!", "5!!", "6!!"))); *
deleteBetween in interface Traversable<T>start - indexend - indexdefault LazyCollectionX<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(CyclopsCollectors.toList());
assertThat(result, equalTo(Arrays.asList("1!!", "100!!", "200!!", "300!!", "2!!", "3!!")));
insertAtS in interface Traversable<T>pos - to insert Stream atstream - to insert