Package org.eclipse.collections.impl.lazy

Class AbstractLazyIterable<T>

java.lang.Object

org.eclipse.collections.impl.AbstractRichIterable<T>

org.eclipse.collections.impl.lazy.AbstractLazyIterable<T>

All Implemented Interfaces:

Iterable<T>, InternalIterable<T>, LazyIterable<T>, RichIterable<T>

Direct Known Subclasses:

ChunkBooleanIterable, ChunkByteIterable, ChunkCharIterable, ChunkDoubleIterable, ChunkFloatIterable, ChunkIntIterable, ChunkIterable, ChunkLongIterable, ChunkShortIterable, CollectBooleanToObjectIterable, CollectByteToObjectIterable, CollectCharToObjectIterable, CollectDoubleToObjectIterable, CollectFloatToObjectIterable, CollectIntToObjectIterable, CollectIterable, CollectLongToObjectIterable, CollectShortToObjectIterable, CompositeIterable, DistinctIterable, DropIterable, DropWhileIterable, FlatCollectBooleanToObjectIterable, FlatCollectByteToObjectIterable, FlatCollectCharToObjectIterable, FlatCollectDoubleToObjectIterable, FlatCollectFloatToObjectIterable, FlatCollectIntToObjectIterable, FlatCollectIterable, FlatCollectLongToObjectIterable, FlatCollectShortToObjectIterable, Interval, LazyIterableAdapter, RejectIterable, ReverseIterable, SelectInstancesOfIterable, SelectIterable, TakeIterable, TakeWhileIterable, TapIterable, ZipIterable, ZipWithIndexIterable

public abstract class AbstractLazyIterable<T>
extends AbstractRichIterable<T>
implements LazyIterable<T>

AbstractLazyIterable provides a base from which deferred iterables such as SelectIterable, RejectIterable and CollectIterable can be derived.

Constructor Summary

Constructors

Constructor	Description
AbstractLazyIterable()

Method Summary

Modifier and Type	Method	Description
LazyIterable<T>	asLazy()
LazyIterable<RichIterable<T>>	chunk(int size)
<V> LazyIterable<V>	collect(Function<? super T,? extends V> function)
LazyBooleanIterable	collectBoolean(BooleanFunction<? super T> booleanFunction)
LazyByteIterable	collectByte(ByteFunction<? super T> byteFunction)
LazyCharIterable	collectChar(CharFunction<? super T> charFunction)
LazyDoubleIterable	collectDouble(DoubleFunction<? super T> doubleFunction)
LazyFloatIterable	collectFloat(FloatFunction<? super T> floatFunction)
<V> LazyIterable<V>	collectIf(Predicate<? super T> predicate, Function<? super T,? extends V> function)
LazyIntIterable	collectInt(IntFunction<? super T> intFunction)
LazyLongIterable	collectLong(LongFunction<? super T> longFunction)
LazyShortIterable	collectShort(ShortFunction<? super T> shortFunction)
<P, V> LazyIterable<V>	collectWith(Function2<? super T,? super P,? extends V> function, P parameter)
LazyIterable<T>	concatenate(Iterable<T> iterable)
LazyIterable<T>	distinct()
LazyIterable<T>	drop(int count)
LazyIterable<T>	dropWhile(Predicate<? super T> predicate)
<V> LazyIterable<V>	flatCollect(Function<? super T,? extends Iterable<V>> function)
T	getFirst()
T	getLast()
T	getOnly()
<V> Multimap<V,T>	groupBy(Function<? super T,? extends V> function)
<V> Multimap<V,T>	groupByEach(Function<? super T,? extends Iterable<V>> function)
<V> MapIterable<V,T>	groupByUniqueKey(Function<? super T,? extends V> function)
<R extends Collection<T>> R	into(R target)
boolean	isEmpty()
<V extends Comparable<? super V>> Optional<T>	maxByOptional(Function<? super T,? extends V> function)
Optional<T>	maxOptional()
Optional<T>	maxOptional(Comparator<? super T> comparator)
<V extends Comparable<? super V>> Optional<T>	minByOptional(Function<? super T,? extends V> function)
Optional<T>	minOptional()
Optional<T>	minOptional(Comparator<? super T> comparator)
PartitionMutableList<T>	partition(Predicate<? super T> predicate)
<P> PartitionMutableList<T>	partitionWith(Predicate2<? super T,? super P> predicate, P parameter)
LazyIterable<T>	reject(Predicate<? super T> predicate)
<P> LazyIterable<T>	rejectWith(Predicate2<? super T,? super P> predicate, P parameter)
LazyIterable<T>	select(Predicate<? super T> predicate)
<S> LazyIterable<S>	selectInstancesOf(Class<S> clazz)
<P> LazyIterable<T>	selectWith(Predicate2<? super T,? super P> predicate, P parameter)
int	size()
<V> ObjectDoubleMap<V>	sumByDouble(Function<? super T,? extends V> groupBy, DoubleFunction<? super T> function)
<V> ObjectDoubleMap<V>	sumByFloat(Function<? super T,? extends V> groupBy, FloatFunction<? super T> function)
<V> ObjectLongMap<V>	sumByInt(Function<? super T,? extends V> groupBy, IntFunction<? super T> function)
<V> ObjectLongMap<V>	sumByLong(Function<? super T,? extends V> groupBy, LongFunction<? super T> function)
LazyIterable<T>	take(int count)
LazyIterable<T>	takeWhile(Predicate<? super T> predicate)
LazyIterable<T>	tap(Procedure<? super T> procedure)
MutableStack<T>	toStack()
<S> LazyIterable<Pair<T,S>>	zip(Iterable<S> that)
LazyIterable<Pair<T,Integer>>	zipWithIndex()

Methods inherited from class org.eclipse.collections.impl.AbstractRichIterable

allSatisfy, allSatisfyWith, anySatisfy, anySatisfyWith, appendString, appendString, collect, collectIf, collectWith, contains, containsAll, containsAllArguments, containsAllIterable, count, countByEach, countWith, detect, detectOptional, detectWith, detectWithIfNone, detectWithOptional, flatCollect, forEach, forEachWith, forEachWithIndex, groupBy, groupByEach, groupByUniqueKey, injectInto, injectInto, injectInto, injectInto, injectInto, max, max, maxBy, min, min, minBy, noneSatisfy, noneSatisfyWith, reject, rejectWith, select, selectWith, sumOfDouble, sumOfFloat, sumOfInt, sumOfLong, toBag, toBiMap, toList, toMap, toSet, toSortedBag, toSortedBag, toSortedBagBy, toSortedListBy, toSortedMap, toSortedMap, toSortedMapBy, toSortedSet, toSortedSet, toSortedSetBy, toString, zip, zipWithIndex

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.eclipse.collections.api.InternalIterable

forEach, forEachWith, forEachWithIndex

Methods inherited from interface java.lang.Iterable

iterator, spliterator

Methods inherited from interface org.eclipse.collections.api.LazyIterable

flatCollectWith, toArray, toArray, toImmutableBag, toImmutableList, toImmutableSet

Methods inherited from interface org.eclipse.collections.api.RichIterable

aggregateBy, aggregateBy, aggregateInPlaceBy, allSatisfy, allSatisfyWith, anySatisfy, anySatisfyWith, appendString, appendString, appendString, collect, collectBoolean, collectByte, collectChar, collectDouble, collectFloat, collectIf, collectInt, collectLong, collectShort, collectWith, contains, containsAll, containsAllArguments, containsAllIterable, containsAny, containsAnyIterable, containsBy, containsNone, containsNoneIterable, count, countBy, countBy, countByEach, countByEach, countByWith, countByWith, countWith, detect, detectIfNone, detectOptional, detectWith, detectWithIfNone, detectWithOptional, each, flatCollect, flatCollectBoolean, flatCollectByte, flatCollectChar, flatCollectDouble, flatCollectFloat, flatCollectInt, flatCollectLong, flatCollectShort, flatCollectWith, forEach, getAny, groupBy, groupByAndCollect, groupByEach, groupByUniqueKey, injectInto, injectInto, injectInto, injectInto, injectInto, injectIntoDouble, injectIntoFloat, injectIntoInt, injectIntoLong, makeString, makeString, makeString, makeString, max, max, maxBy, min, min, minBy, noneSatisfy, noneSatisfyWith, notEmpty, reduce, reduceBy, reduceBy, reduceInPlace, reduceInPlace, reject, rejectWith, select, selectWith, summarizeDouble, summarizeFloat, summarizeInt, summarizeLong, sumOfDouble, sumOfFloat, sumOfInt, sumOfLong, toBag, toBiMap, toImmutableBiMap, toImmutableMap, toImmutableSortedBag, toImmutableSortedBag, toImmutableSortedBagBy, toImmutableSortedList, toImmutableSortedList, toImmutableSortedListBy, toImmutableSortedSet, toImmutableSortedSet, toImmutableSortedSetBy, toList, toMap, toMap, toSet, toSortedBag, toSortedBag, toSortedBagBy, toSortedList, toSortedList, toSortedListBy, toSortedMap, toSortedMap, toSortedMapBy, toSortedSet, toSortedSet, toSortedSetBy, toString, zip, zipWithIndex

Constructor Details

AbstractLazyIterable

public AbstractLazyIterable()

Method Details

asLazy

public LazyIterable<T> asLazy()

Specified by:

asLazy in interface RichIterable<T>

Overrides:

asLazy in class AbstractRichIterable<T>

into

public <R extends Collection<T>> R into(R target)

Specified by:

into in interface LazyIterable<T>

Specified by:

into in interface RichIterable<T>

Overrides:

into in class AbstractRichIterable<T>

size

public int size()

Specified by:

size in interface RichIterable<T>

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface RichIterable<T>

Overrides:

isEmpty in class AbstractRichIterable<T>

getFirst

public T getFirst()

Specified by:

getFirst in interface LazyIterable<T>

Specified by:

getFirst in interface RichIterable<T>

getLast

public T getLast()

Specified by:

getLast in interface RichIterable<T>

getOnly

public T getOnly()

Specified by:

getOnly in interface RichIterable<T>

select

public LazyIterable<T> select(Predicate<? super T> predicate)

Specified by:

select in interface LazyIterable<T>

Specified by:

select in interface RichIterable<T>

selectWith

public <P> LazyIterable<T> selectWith(Predicate2<? super T,? super P> predicate,
 P parameter)

Specified by:

selectWith in interface LazyIterable<T>

Specified by:

selectWith in interface RichIterable<T>

reject

public LazyIterable<T> reject(Predicate<? super T> predicate)

Specified by:

reject in interface LazyIterable<T>

Specified by:

reject in interface RichIterable<T>

rejectWith

public <P> LazyIterable<T> rejectWith(Predicate2<? super T,? super P> predicate,
 P parameter)

Specified by:

rejectWith in interface LazyIterable<T>

Specified by:

rejectWith in interface RichIterable<T>

partition

public PartitionMutableList<T> partition(Predicate<? super T> predicate)

Specified by:

partition in interface RichIterable<T>

partitionWith

public <P> PartitionMutableList<T> partitionWith(Predicate2<? super T,? super P> predicate,
 P parameter)

Specified by:

partitionWith in interface RichIterable<T>

selectInstancesOf

public <S> LazyIterable<S> selectInstancesOf(Class<S> clazz)

Specified by:

selectInstancesOf in interface LazyIterable<T>

Specified by:

selectInstancesOf in interface RichIterable<T>

collect

public <V> LazyIterable<V> collect(Function<? super T,? extends V> function)

Specified by:

collect in interface LazyIterable<T>

Specified by:

collect in interface RichIterable<T>

collectBoolean

public LazyBooleanIterable collectBoolean(BooleanFunction<? super T> booleanFunction)

Specified by:

collectBoolean in interface LazyIterable<T>

Specified by:

collectBoolean in interface RichIterable<T>

collectByte

public LazyByteIterable collectByte(ByteFunction<? super T> byteFunction)

Specified by:

collectByte in interface LazyIterable<T>

Specified by:

collectByte in interface RichIterable<T>

collectChar

public LazyCharIterable collectChar(CharFunction<? super T> charFunction)

Specified by:

collectChar in interface LazyIterable<T>

Specified by:

collectChar in interface RichIterable<T>

collectDouble

public LazyDoubleIterable collectDouble(DoubleFunction<? super T> doubleFunction)

Specified by:

collectDouble in interface LazyIterable<T>

Specified by:

collectDouble in interface RichIterable<T>

collectFloat

public LazyFloatIterable collectFloat(FloatFunction<? super T> floatFunction)

Specified by:

collectFloat in interface LazyIterable<T>

Specified by:

collectFloat in interface RichIterable<T>

collectInt

public LazyIntIterable collectInt(IntFunction<? super T> intFunction)

Specified by:

collectInt in interface LazyIterable<T>

Specified by:

collectInt in interface RichIterable<T>

collectLong

public LazyLongIterable collectLong(LongFunction<? super T> longFunction)

Specified by:

collectLong in interface LazyIterable<T>

Specified by:

collectLong in interface RichIterable<T>

collectShort

public LazyShortIterable collectShort(ShortFunction<? super T> shortFunction)

Specified by:

collectShort in interface LazyIterable<T>

Specified by:

collectShort in interface RichIterable<T>

collectWith

public <P,
V> LazyIterable<V> collectWith(Function2<? super T,? super P,? extends V> function,
 P parameter)

Specified by:

collectWith in interface LazyIterable<T>

Specified by:

collectWith in interface RichIterable<T>

flatCollect

public <V> LazyIterable<V> flatCollect(Function<? super T,? extends Iterable<V>> function)

Specified by:

flatCollect in interface LazyIterable<T>

Specified by:

flatCollect in interface RichIterable<T>

concatenate

public LazyIterable<T> concatenate(Iterable<T> iterable)

Specified by:

concatenate in interface LazyIterable<T>

collectIf

public <V> LazyIterable<V> collectIf(Predicate<? super T> predicate,
 Function<? super T,? extends V> function)

Specified by:

collectIf in interface LazyIterable<T>

Specified by:

collectIf in interface RichIterable<T>

take

public LazyIterable<T> take(int count)

Specified by:

take in interface LazyIterable<T>

drop

public LazyIterable<T> drop(int count)

Specified by:

drop in interface LazyIterable<T>

takeWhile

public LazyIterable<T> takeWhile(Predicate<? super T> predicate)

Specified by:

takeWhile in interface LazyIterable<T>

dropWhile

public LazyIterable<T> dropWhile(Predicate<? super T> predicate)

Specified by:

dropWhile in interface LazyIterable<T>

distinct

public LazyIterable<T> distinct()

Specified by:

distinct in interface LazyIterable<T>

toStack

public MutableStack<T> toStack()

groupBy

public <V> Multimap<V,T> groupBy(Function<? super T,? extends V> function)

Specified by:

groupBy in interface RichIterable<T>

groupByEach

public <V> Multimap<V,T> groupByEach(Function<? super T,? extends Iterable<V>> function)

Specified by:

groupByEach in interface RichIterable<T>

groupByUniqueKey

public <V> MapIterable<V,T> groupByUniqueKey(Function<? super T,? extends V> function)

Specified by:

groupByUniqueKey in interface RichIterable<T>

zip

public <S> LazyIterable<Pair<T,S>> zip(Iterable<S> that)

Specified by:

zip in interface LazyIterable<T>

Specified by:

zip in interface RichIterable<T>

zipWithIndex

public LazyIterable<Pair<T,Integer>> zipWithIndex()

Specified by:

zipWithIndex in interface LazyIterable<T>

Specified by:

zipWithIndex in interface RichIterable<T>

chunk

public LazyIterable<RichIterable<T>> chunk(int size)

Specified by:

chunk in interface LazyIterable<T>

Specified by:

chunk in interface RichIterable<T>

tap

public LazyIterable<T> tap(Procedure<? super T> procedure)

Specified by:

tap in interface LazyIterable<T>

Specified by:

tap in interface RichIterable<T>

sumByInt

public <V> ObjectLongMap<V> sumByInt(Function<? super T,? extends V> groupBy,
 IntFunction<? super T> function)

Specified by:

sumByInt in interface RichIterable<T>

sumByFloat

public <V> ObjectDoubleMap<V> sumByFloat(Function<? super T,? extends V> groupBy,
 FloatFunction<? super T> function)

Specified by:

sumByFloat in interface RichIterable<T>

sumByLong

public <V> ObjectLongMap<V> sumByLong(Function<? super T,? extends V> groupBy,
 LongFunction<? super T> function)

Specified by:

sumByLong in interface RichIterable<T>

sumByDouble

public <V> ObjectDoubleMap<V> sumByDouble(Function<? super T,? extends V> groupBy,
 DoubleFunction<? super T> function)

Specified by:

sumByDouble in interface RichIterable<T>

minOptional

public Optional<T> minOptional(Comparator<? super T> comparator)

Specified by:

minOptional in interface RichIterable<T>

maxOptional

public Optional<T> maxOptional(Comparator<? super T> comparator)

Specified by:

maxOptional in interface RichIterable<T>

minOptional

public Optional<T> minOptional()

Specified by:

minOptional in interface RichIterable<T>

maxOptional

public Optional<T> maxOptional()

Specified by:

maxOptional in interface RichIterable<T>

minByOptional

public <V extends Comparable<? super V>>
Optional<T> minByOptional(Function<? super T,? extends V> function)

Specified by:

minByOptional in interface RichIterable<T>

maxByOptional

public <V extends Comparable<? super V>>
Optional<T> maxByOptional(Function<? super T,? extends V> function)

Specified by:

maxByOptional in interface RichIterable<T>