Class AbstractBag<T>
- java.lang.Object
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- org.eclipse.collections.impl.AbstractRichIterable<T>
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- org.eclipse.collections.impl.bag.AbstractBag<T>
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- All Implemented Interfaces:
java.lang.Iterable<T>
,java.util.Collection<T>
,Bag<T>
,InternalIterable<T>
,RichIterable<T>
- Direct Known Subclasses:
AbstractImmutableBagIterable
,AbstractMutableBagIterable
public abstract class AbstractBag<T> extends AbstractRichIterable<T> implements java.util.Collection<T>, Bag<T>
- Since:
- 7.0
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Constructor Summary
Constructors Constructor Description AbstractBag()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description <V,R extends java.util.Collection<V>>
Rcollect(Function<? super T,? extends V> function, R target)
Same asRichIterable.collect(Function)
, except that the results are gathered into the specifiedtarget
collection.<R extends MutableBooleanCollection>
RcollectBoolean(BooleanFunction<? super T> booleanFunction, R target)
Same asRichIterable.collectBoolean(BooleanFunction)
, except that the results are gathered into the specifiedtarget
collection.<R extends MutableByteCollection>
RcollectByte(ByteFunction<? super T> byteFunction, R target)
Same asRichIterable.collectByte(ByteFunction)
, except that the results are gathered into the specifiedtarget
collection.<R extends MutableCharCollection>
RcollectChar(CharFunction<? super T> charFunction, R target)
Same asRichIterable.collectChar(CharFunction)
, except that the results are gathered into the specifiedtarget
collection.<R extends MutableDoubleCollection>
RcollectDouble(DoubleFunction<? super T> doubleFunction, R target)
Same asRichIterable.collectDouble(DoubleFunction)
, except that the results are gathered into the specifiedtarget
collection.<R extends MutableFloatCollection>
RcollectFloat(FloatFunction<? super T> floatFunction, R target)
Same asRichIterable.collectFloat(FloatFunction)
, except that the results are gathered into the specifiedtarget
collection.<V,R extends java.util.Collection<V>>
RcollectIf(Predicate<? super T> predicate, Function<? super T,? extends V> function, R target)
Same as the collectIf method with two parameters but uses the specified target collection for the results.<R extends MutableIntCollection>
RcollectInt(IntFunction<? super T> intFunction, R target)
Same asRichIterable.collectInt(IntFunction)
, except that the results are gathered into the specifiedtarget
collection.<R extends MutableLongCollection>
RcollectLong(LongFunction<? super T> longFunction, R target)
Same asRichIterable.collectLong(LongFunction)
, except that the results are gathered into the specifiedtarget
collection.<R extends MutableShortCollection>
RcollectShort(ShortFunction<? super T> shortFunction, R target)
Same asRichIterable.collectShort(ShortFunction)
, except that the results are gathered into the specifiedtarget
collection.<P,V,R extends java.util.Collection<V>>
RcollectWith(Function2<? super T,? super P,? extends V> function, P parameter, R target)
Same as collectWith but with a targetCollection parameter to gather the results.int
count(Predicate<? super T> predicate)
Return the total number of elements that answer true to the specified predicate.<V,R extends java.util.Collection<V>>
RflatCollect(Function<? super T,? extends java.lang.Iterable<V>> function, R target)
Same as flatCollect, only the results are collected into the target collection.<R extends MutableBooleanCollection>
RflatCollectBoolean(Function<? super T,? extends BooleanIterable> function, R target)
Same as flatCollect, only the results are collected into the target collection.<R extends MutableByteCollection>
RflatCollectByte(Function<? super T,? extends ByteIterable> function, R target)
Same as flatCollect, only the results are collected into the target collection.<R extends MutableCharCollection>
RflatCollectChar(Function<? super T,? extends CharIterable> function, R target)
Same as flatCollect, only the results are collected into the target collection.<R extends MutableDoubleCollection>
RflatCollectDouble(Function<? super T,? extends DoubleIterable> function, R target)
Same as flatCollect, only the results are collected into the target collection.<R extends MutableFloatCollection>
RflatCollectFloat(Function<? super T,? extends FloatIterable> function, R target)
Same as flatCollect, only the results are collected into the target collection.<R extends MutableIntCollection>
RflatCollectInt(Function<? super T,? extends IntIterable> function, R target)
Same as flatCollect, only the results are collected into the target collection.<R extends MutableLongCollection>
RflatCollectLong(Function<? super T,? extends LongIterable> function, R target)
Same as flatCollect, only the results are collected into the target collection.<R extends MutableShortCollection>
RflatCollectShort(Function<? super T,? extends ShortIterable> function, R target)
Same as flatCollect, only the results are collected into the target collection.<V,R extends MutableMultimap<V,T>>
RgroupBy(Function<? super T,? extends V> function, R target)
Same asRichIterable.groupBy(Function)
, except that the results are gathered into the specifiedtarget
multimap.<V,R extends MutableMultimap<V,T>>
RgroupByEach(Function<? super T,? extends java.lang.Iterable<V>> function, R target)
Same asRichIterable.groupByEach(Function)
, except that the results are gathered into the specifiedtarget
multimap.double
injectInto(double injectedValue, DoubleObjectToDoubleFunction<? super T> function)
Returns the final double result of evaluating function using each element of the iterable and the previous evaluation result as the parameters.float
injectInto(float injectedValue, FloatObjectToFloatFunction<? super T> function)
Returns the final float result of evaluating function using each element of the iterable and the previous evaluation result as the parameters.int
injectInto(int injectedValue, IntObjectToIntFunction<? super T> function)
Returns the final int result of evaluating function using each element of the iterable and the previous evaluation result as the parameters.long
injectInto(long injectedValue, LongObjectToLongFunction<? super T> function)
Returns the final long result of evaluating function using each element of the iterable and the previous evaluation result as the parameters.<IV> IV
injectInto(IV injectedValue, Function2<? super IV,? super T,? extends IV> function)
Returns the final result of evaluating function using each element of the iterable and the previous evaluation result as the parameters.<IV,P>
IVinjectIntoWith(IV injectedValue, Function3<? super IV,? super T,? super P,? extends IV> function, P parameter)
protected MutableList<ObjectIntPair<T>>
occurrencesSortingBy(int n, IntFunction<ObjectIntPair<T>> function, MutableList<ObjectIntPair<T>> returnWhenEmpty)
<R extends java.util.Collection<T>>
Rreject(Predicate<? super T> predicate, R target)
Same as the reject method with one parameter but uses the specified target collection for the results.<P,R extends java.util.Collection<T>>
RrejectWith(Predicate2<? super T,? super P> predicate, P parameter, R target)
Similar toRichIterable.reject(Predicate, Collection)
, except with an evaluation parameter for the second generic argument inPredicate2
.<R extends java.util.Collection<T>>
Rselect(Predicate<? super T> predicate, R target)
Same as the select method with one parameter but uses the specified target collection for the results.<P,R extends java.util.Collection<T>>
RselectWith(Predicate2<? super T,? super P> predicate, P parameter, R target)
Similar toRichIterable.select(Predicate, Collection)
, except with an evaluation parameter for the second generic argument inPredicate2
.double
sumOfDouble(DoubleFunction<? super T> function)
Returns the final double result of evaluating function for each element of the iterable and adding the results together.double
sumOfFloat(FloatFunction<? super T> function)
Returns the final double result of evaluating function for each element of the iterable and adding the results together.long
sumOfInt(IntFunction<? super T> function)
Returns the final long result of evaluating function for each element of the iterable and adding the results together.long
sumOfLong(LongFunction<? super T> function)
Returns the final long result of evaluating function for each element of the iterable and adding the results together.MutableBag<T>
toBag()
Converts the collection to the default MutableBag implementation.MutableList<T>
toList()
Converts the collection to a MutableList implementation.protected MutableList<ObjectIntPair<T>>
toListWithOccurrences()
MutableSet<T>
toSet()
Converts the collection to a MutableSet implementation.MutableSortedBag<T>
toSortedBag()
Converts the collection to a MutableSortedBag implementation and sorts it using the natural order of the elements.MutableSortedBag<T>
toSortedBag(java.util.Comparator<? super T> comparator)
Converts the collection to the MutableSortedBag implementation and sorts it using the specified comparator.MutableList<T>
toSortedList(java.util.Comparator<? super T> comparator)
Converts the collection to a MutableList implementation and sorts it using the specified comparator.MutableSortedSet<T>
toSortedSet()
Converts the collection to a MutableSortedSet implementation and sorts it using the natural order of the elements.MutableSortedSet<T>
toSortedSet(java.util.Comparator<? super T> comparator)
Converts the collection to a MutableSortedSet implementation and sorts it using the specified comparator.java.lang.String
toStringOfItemToCount()
Returns a string representation of this bag.-
Methods inherited from class org.eclipse.collections.impl.AbstractRichIterable
allSatisfy, allSatisfyWith, anySatisfy, anySatisfyWith, appendString, appendString, asLazy, contains, containsAll, containsAllArguments, containsAllIterable, countByEach, countWith, detect, detectOptional, detectWith, detectWithIfNone, detectWithOptional, forEach, forEachWith, forEachWithIndex, groupByUniqueKey, into, isEmpty, max, max, maxBy, min, min, minBy, noneSatisfy, noneSatisfyWith, toArray, toArray, toBiMap, toMap, toSortedBagBy, toSortedListBy, toSortedMap, toSortedMap, toSortedMapBy, toSortedSetBy, toString, zip, zipWithIndex
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Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
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Methods inherited from interface org.eclipse.collections.api.bag.Bag
aggregateBy, allSatisfyWithOccurrences, anySatisfyWithOccurrences, bottomOccurrences, collectWithOccurrences, collectWithOccurrences, detectWithOccurrences, distinctView, equals, forEachWithOccurrences, groupBy, groupByEach, hashCode, noneSatisfyWithOccurrences, occurrencesOf, partition, partitionWith, reduceInPlace, reduceInPlace, reject, rejectWith, select, selectByOccurrences, selectDuplicates, selectInstancesOf, selectUnique, selectWith, sizeDistinct, summarizeDouble, summarizeFloat, summarizeInt, summarizeLong, tap, toImmutable, toMapOfItemToCount, topOccurrences, zipWithIndex
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Methods inherited from interface java.util.Collection
add, addAll, clear, contains, containsAll, equals, hashCode, isEmpty, iterator, parallelStream, remove, removeAll, removeIf, retainAll, size, spliterator, stream, toArray, toArray, toArray
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Methods inherited from interface org.eclipse.collections.api.InternalIterable
forEach, forEachWith, forEachWithIndex
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Methods inherited from interface org.eclipse.collections.api.RichIterable
aggregateBy, aggregateInPlaceBy, allSatisfy, allSatisfyWith, anySatisfy, anySatisfyWith, appendString, appendString, appendString, asLazy, chunk, collect, collectBoolean, collectByte, collectChar, collectDouble, collectFloat, collectIf, collectInt, collectLong, collectShort, collectWith, contains, containsAll, containsAllArguments, containsAllIterable, containsAny, containsAnyIterable, containsBy, containsNone, containsNoneIterable, countBy, countBy, countByEach, countByEach, countByWith, countByWith, countWith, detect, detectIfNone, detectOptional, detectWith, detectWithIfNone, detectWithOptional, each, flatCollect, flatCollectWith, flatCollectWith, forEach, getAny, getFirst, getLast, getOnly, groupByAndCollect, groupByUniqueKey, groupByUniqueKey, injectIntoDouble, injectIntoFloat, injectIntoInt, injectIntoLong, into, isEmpty, makeString, makeString, makeString, makeString, max, max, maxBy, maxByOptional, maxOptional, maxOptional, min, min, minBy, minByOptional, minOptional, minOptional, noneSatisfy, noneSatisfyWith, notEmpty, reduce, size, sumByDouble, sumByFloat, sumByInt, sumByLong, toArray, toArray, toBiMap, toImmutableBag, toImmutableBiMap, toImmutableList, toImmutableMap, toImmutableSet, toImmutableSortedBag, toImmutableSortedBag, toImmutableSortedBagBy, toImmutableSortedList, toImmutableSortedList, toImmutableSortedListBy, toImmutableSortedSet, toImmutableSortedSet, toImmutableSortedSetBy, toMap, toMap, toSortedBagBy, toSortedList, toSortedListBy, toSortedMap, toSortedMap, toSortedMapBy, toSortedSetBy, toString, zip, zip, zipWithIndex
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Method Detail
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select
public <R extends java.util.Collection<T>> R select(Predicate<? super T> predicate, R target)
Description copied from interface:RichIterable
Same as the select method with one parameter but uses the specified target collection for the results.Example using a Java 8 lambda expression:
MutableList<Person> selected = people.select(person -> person.person.getLastName().equals("Smith"), Lists.mutable.empty());
Example using an anonymous inner class:
MutableList<Person> selected = people.select(new Predicate<Person>() { public boolean accept(Person person) { return person.person.getLastName().equals("Smith"); } }, Lists.mutable.empty());
- Specified by:
select
in interfaceRichIterable<T>
- Overrides:
select
in classAbstractRichIterable<T>
- Parameters:
predicate
- aPredicate
to use as the select criteriatarget
- the Collection to append to for all elements in thisRichIterable
that meet select criteriapredicate
- Returns:
target
, which contains appended elements as a result of the select criteria- See Also:
RichIterable.select(Predicate)
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selectWith
public <P,R extends java.util.Collection<T>> R selectWith(Predicate2<? super T,? super P> predicate, P parameter, R target)
Description copied from interface:RichIterable
Similar toRichIterable.select(Predicate, Collection)
, except with an evaluation parameter for the second generic argument inPredicate2
.E.g. return a
Collection
of Person elements where the person has an age greater than or equal to 18 yearsExample using a Java 8 lambda expression:
MutableList<Person> selected = people.selectWith((Person person, Integer age) -> person.getAge()>= age, Integer.valueOf(18), Lists.mutable.empty());
Example using an anonymous inner class:
MutableList<Person> selected = people.selectWith(new Predicate2<Person, Integer>() { public boolean accept(Person person, Integer age) { return person.getAge()>= age; } }, Integer.valueOf(18), Lists.mutable.empty());
- Specified by:
selectWith
in interfaceRichIterable<T>
- Overrides:
selectWith
in classAbstractRichIterable<T>
- Parameters:
predicate
- aPredicate2
to use as the select criteriaparameter
- a parameter to pass in for evaluation of the second argumentP
inpredicate
target
- the Collection to append to for all elements in thisRichIterable
that meet select criteriapredicate
- Returns:
targetCollection
, which contains appended elements as a result of the select criteria- See Also:
RichIterable.select(Predicate)
,RichIterable.select(Predicate, Collection)
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reject
public <R extends java.util.Collection<T>> R reject(Predicate<? super T> predicate, R target)
Description copied from interface:RichIterable
Same as the reject method with one parameter but uses the specified target collection for the results.Example using a Java 8 lambda expression:
MutableList<Person> rejected = people.reject(person -> person.person.getLastName().equals("Smith"), Lists.mutable.empty());
Example using an anonymous inner class:
MutableList<Person> rejected = people.reject(new Predicate<Person>() { public boolean accept(Person person) { return person.person.getLastName().equals("Smith"); } }, Lists.mutable.empty());
- Specified by:
reject
in interfaceRichIterable<T>
- Overrides:
reject
in classAbstractRichIterable<T>
- Parameters:
predicate
- aPredicate
to use as the reject criteriatarget
- the Collection to append to for all elements in thisRichIterable
that causePredicate#accept(Object)
method to evaluate to false- Returns:
target
, which contains appended elements as a result of the reject criteria
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rejectWith
public <P,R extends java.util.Collection<T>> R rejectWith(Predicate2<? super T,? super P> predicate, P parameter, R target)
Description copied from interface:RichIterable
Similar toRichIterable.reject(Predicate, Collection)
, except with an evaluation parameter for the second generic argument inPredicate2
.E.g. return a
Collection
of Person elements where the person has an age greater than or equal to 18 yearsExample using a Java 8 lambda expression:
MutableList<Person> rejected = people.rejectWith((Person person, Integer age) -> person.getAge() < age, Integer.valueOf(18), Lists.mutable.empty());
Example using an anonymous inner class:
MutableList<Person> rejected = people.rejectWith(new Predicate2<Person, Integer>() { public boolean accept(Person person, Integer age) { return person.getAge() < age; } }, Integer.valueOf(18), Lists.mutable.empty());
- Specified by:
rejectWith
in interfaceRichIterable<T>
- Overrides:
rejectWith
in classAbstractRichIterable<T>
- Parameters:
predicate
- aPredicate2
to use as the reject criteriaparameter
- a parameter to pass in for evaluation of the second argumentP
inpredicate
target
- the Collection to append to for all elements in thisRichIterable
that causePredicate#accept(Object)
method to evaluate to false- Returns:
targetCollection
, which contains appended elements as a result of the reject criteria- See Also:
RichIterable.reject(Predicate)
,RichIterable.reject(Predicate, Collection)
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count
public int count(Predicate<? super T> predicate)
Description copied from interface:RichIterable
Return the total number of elements that answer true to the specified predicate.Example using a Java 8 lambda expression:
int count = people.count(person -> person.getAddress().getState().getName().equals("New York"));
Example using an anonymous inner class:
int count = people.count(new Predicate<Person>() { public boolean accept(Person person) { return person.getAddress().getState().getName().equals("New York"); } });
- Specified by:
count
in interfaceRichIterable<T>
- Overrides:
count
in classAbstractRichIterable<T>
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collect
public <V,R extends java.util.Collection<V>> R collect(Function<? super T,? extends V> function, R target)
Description copied from interface:RichIterable
Same asRichIterable.collect(Function)
, except that the results are gathered into the specifiedtarget
collection.Example using a Java 8 lambda expression:
MutableList<String> names = people.collect(person -> person.getFirstName() + " " + person.getLastName(), Lists.mutable.empty());
Example using an anonymous inner class:
MutableList<String> names = people.collect(new Function<Person, String>() { public String valueOf(Person person) { return person.getFirstName() + " " + person.getLastName(); } }, Lists.mutable.empty());
- Specified by:
collect
in interfaceRichIterable<T>
- Overrides:
collect
in classAbstractRichIterable<T>
- Parameters:
function
- aFunction
to use as the collect transformation functiontarget
- the Collection to append to for all elements in thisRichIterable
that meet select criteriafunction
- Returns:
target
, which contains appended elements as a result of the collect transformation- See Also:
RichIterable.collect(Function)
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collectWith
public <P,V,R extends java.util.Collection<V>> R collectWith(Function2<? super T,? super P,? extends V> function, P parameter, R target)
Description copied from interface:RichIterable
Same as collectWith but with a targetCollection parameter to gather the results.Example using a Java 8 lambda expression:
MutableSet<Integer> integers = Lists.mutable.with(1, 2, 3).collectWith((each, parameter) -> each + parameter, Integer.valueOf(1), Sets.mutable.empty());
Example using an anonymous inner class:
Function2<Integer, Integer, Integer> addParameterFunction = new Function2<Integer, Integer, Integer>() { public Integer value(final Integer each, final Integer parameter) { return each + parameter; } }; MutableSet<Integer> integers = Lists.mutable.with(1, 2, 3).collectWith(addParameterFunction, Integer.valueOf(1), Sets.mutable.empty());
- Specified by:
collectWith
in interfaceRichIterable<T>
- Overrides:
collectWith
in classAbstractRichIterable<T>
- Parameters:
function
- aFunction2
to use as the collect transformation functionparameter
- a parameter to pass in for evaluation of the second argumentP
infunction
target
- the Collection to append to for all elements in thisRichIterable
that meet select criteriafunction
- Returns:
targetCollection
, which contains appended elements as a result of the collect transformation
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collectIf
public <V,R extends java.util.Collection<V>> R collectIf(Predicate<? super T> predicate, Function<? super T,? extends V> function, R target)
Description copied from interface:RichIterable
Same as the collectIf method with two parameters but uses the specified target collection for the results.- Specified by:
collectIf
in interfaceRichIterable<T>
- Overrides:
collectIf
in classAbstractRichIterable<T>
- Parameters:
predicate
- aPredicate
to use as the select criteriafunction
- aFunction
to use as the collect transformation functiontarget
- the Collection to append to for all elements in thisRichIterable
that meet the collect criteriapredicate
- Returns:
targetCollection
, which contains appended elements as a result of the collect criteria and transformation- See Also:
RichIterable.collectIf(Predicate, Function)
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flatCollect
public <V,R extends java.util.Collection<V>> R flatCollect(Function<? super T,? extends java.lang.Iterable<V>> function, R target)
Description copied from interface:RichIterable
Same as flatCollect, only the results are collected into the target collection.- Specified by:
flatCollect
in interfaceRichIterable<T>
- Overrides:
flatCollect
in classAbstractRichIterable<T>
- Parameters:
function
- TheFunction
to applytarget
- The collection into which results should be added.- Returns:
target
, which will contain a flattened collection of results produced by applying the givenfunction
- See Also:
RichIterable.flatCollect(Function)
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collectBoolean
public <R extends MutableBooleanCollection> R collectBoolean(BooleanFunction<? super T> booleanFunction, R target)
Description copied from interface:RichIterable
Same asRichIterable.collectBoolean(BooleanFunction)
, except that the results are gathered into the specifiedtarget
collection.Example using a Java 8 lambda expression:
BooleanArrayList licenses = people.collectBoolean(person -> person.hasDrivingLicense(), new BooleanArrayList());
Example using an anonymous inner class:
BooleanArrayList licenses = people.collectBoolean(new BooleanFunction<Person>() { public boolean booleanValueOf(Person person) { return person.hasDrivingLicense(); } }, new BooleanArrayList());
- Specified by:
collectBoolean
in interfaceRichIterable<T>
- Parameters:
booleanFunction
- aBooleanFunction
to use as the collect transformation functiontarget
- the MutableBooleanCollection to append to for all elements in thisRichIterable
- Returns:
target
, which contains appended elements as a result of the collect transformation
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flatCollectBoolean
public <R extends MutableBooleanCollection> R flatCollectBoolean(Function<? super T,? extends BooleanIterable> function, R target)
Description copied from interface:RichIterable
Same as flatCollect, only the results are collected into the target collection.- Specified by:
flatCollectBoolean
in interfaceRichIterable<T>
- Parameters:
function
- TheFunction
to applytarget
- The collection into which results should be added.- Returns:
target
, which will contain a flattened collection of results produced by applying the givenfunction
- See Also:
RichIterable.flatCollect(Function)
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collectByte
public <R extends MutableByteCollection> R collectByte(ByteFunction<? super T> byteFunction, R target)
Description copied from interface:RichIterable
Same asRichIterable.collectByte(ByteFunction)
, except that the results are gathered into the specifiedtarget
collection.Example using a Java 8 lambda expression:
ByteArrayList bytes = people.collectByte(person -> person.getCode(), new ByteArrayList());
Example using an anonymous inner class:
ByteArrayList bytes = people.collectByte(new ByteFunction<Person>() { public byte byteValueOf(Person person) { return person.getCode(); } }, new ByteArrayList());
- Specified by:
collectByte
in interfaceRichIterable<T>
- Parameters:
byteFunction
- aByteFunction
to use as the collect transformation functiontarget
- the MutableByteCollection to append to for all elements in thisRichIterable
- Returns:
target
, which contains appended elements as a result of the collect transformation
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flatCollectByte
public <R extends MutableByteCollection> R flatCollectByte(Function<? super T,? extends ByteIterable> function, R target)
Description copied from interface:RichIterable
Same as flatCollect, only the results are collected into the target collection.- Specified by:
flatCollectByte
in interfaceRichIterable<T>
- Parameters:
function
- TheFunction
to applytarget
- The collection into which results should be added.- Returns:
target
, which will contain a flattened collection of results produced by applying the givenfunction
- See Also:
RichIterable.flatCollect(Function)
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collectChar
public <R extends MutableCharCollection> R collectChar(CharFunction<? super T> charFunction, R target)
Description copied from interface:RichIterable
Same asRichIterable.collectChar(CharFunction)
, except that the results are gathered into the specifiedtarget
collection.Example using a Java 8 lambda expression:
CharArrayList chars = people.collectChar(person -> person.getMiddleInitial(), new CharArrayList());
Example using an anonymous inner class:
CharArrayList chars = people.collectChar(new CharFunction<Person>() { public char charValueOf(Person person) { return person.getMiddleInitial(); } }, new CharArrayList());
- Specified by:
collectChar
in interfaceRichIterable<T>
- Parameters:
charFunction
- aCharFunction
to use as the collect transformation functiontarget
- the MutableCharCollection to append to for all elements in thisRichIterable
- Returns:
target
, which contains appended elements as a result of the collect transformation
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flatCollectChar
public <R extends MutableCharCollection> R flatCollectChar(Function<? super T,? extends CharIterable> function, R target)
Description copied from interface:RichIterable
Same as flatCollect, only the results are collected into the target collection.- Specified by:
flatCollectChar
in interfaceRichIterable<T>
- Parameters:
function
- TheFunction
to applytarget
- The collection into which results should be added.- Returns:
target
, which will contain a flattened collection of results produced by applying the givenfunction
- See Also:
RichIterable.flatCollect(Function)
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collectDouble
public <R extends MutableDoubleCollection> R collectDouble(DoubleFunction<? super T> doubleFunction, R target)
Description copied from interface:RichIterable
Same asRichIterable.collectDouble(DoubleFunction)
, except that the results are gathered into the specifiedtarget
collection.Example using a Java 8 lambda expression:
DoubleArrayList doubles = people.collectDouble(person -> person.getMilesFromNorthPole(), new DoubleArrayList());
Example using an anonymous inner class:
DoubleArrayList doubles = people.collectDouble(new DoubleFunction<Person>() { public double doubleValueOf(Person person) { return person.getMilesFromNorthPole(); } }, new DoubleArrayList());
- Specified by:
collectDouble
in interfaceRichIterable<T>
- Parameters:
doubleFunction
- aDoubleFunction
to use as the collect transformation functiontarget
- the MutableDoubleCollection to append to for all elements in thisRichIterable
- Returns:
target
, which contains appended elements as a result of the collect transformation
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flatCollectDouble
public <R extends MutableDoubleCollection> R flatCollectDouble(Function<? super T,? extends DoubleIterable> function, R target)
Description copied from interface:RichIterable
Same as flatCollect, only the results are collected into the target collection.- Specified by:
flatCollectDouble
in interfaceRichIterable<T>
- Parameters:
function
- TheFunction
to applytarget
- The collection into which results should be added.- Returns:
target
, which will contain a flattened collection of results produced by applying the givenfunction
- See Also:
RichIterable.flatCollect(Function)
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collectFloat
public <R extends MutableFloatCollection> R collectFloat(FloatFunction<? super T> floatFunction, R target)
Description copied from interface:RichIterable
Same asRichIterable.collectFloat(FloatFunction)
, except that the results are gathered into the specifiedtarget
collection.Example using a Java 8 lambda expression:
FloatArrayList floats = people.collectFloat(person -> person.getHeightInInches(), new FloatArrayList());
Example using an anonymous inner class:
FloatArrayList floats = people.collectFloat(new FloatFunction<Person>() { public float floatValueOf(Person person) { return person.getHeightInInches(); } }, new FloatArrayList());
- Specified by:
collectFloat
in interfaceRichIterable<T>
- Parameters:
floatFunction
- aFloatFunction
to use as the collect transformation functiontarget
- the MutableFloatCollection to append to for all elements in thisRichIterable
- Returns:
target
, which contains appended elements as a result of the collect transformation
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flatCollectFloat
public <R extends MutableFloatCollection> R flatCollectFloat(Function<? super T,? extends FloatIterable> function, R target)
Description copied from interface:RichIterable
Same as flatCollect, only the results are collected into the target collection.- Specified by:
flatCollectFloat
in interfaceRichIterable<T>
- Parameters:
function
- TheFunction
to applytarget
- The collection into which results should be added.- Returns:
target
, which will contain a flattened collection of results produced by applying the givenfunction
- See Also:
RichIterable.flatCollect(Function)
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collectInt
public <R extends MutableIntCollection> R collectInt(IntFunction<? super T> intFunction, R target)
Description copied from interface:RichIterable
Same asRichIterable.collectInt(IntFunction)
, except that the results are gathered into the specifiedtarget
collection.Example using a Java 8 lambda expression:
IntArrayList ints = people.collectInt(person -> person.getAge(), new IntArrayList());
Example using an anonymous inner class:
IntArrayList ints = people.collectInt(new IntFunction<Person>() { public int intValueOf(Person person) { return person.getAge(); } }, new IntArrayList());
- Specified by:
collectInt
in interfaceRichIterable<T>
- Parameters:
intFunction
- aIntFunction
to use as the collect transformation functiontarget
- the MutableIntCollection to append to for all elements in thisRichIterable
- Returns:
target
, which contains appended elements as a result of the collect transformation
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flatCollectInt
public <R extends MutableIntCollection> R flatCollectInt(Function<? super T,? extends IntIterable> function, R target)
Description copied from interface:RichIterable
Same as flatCollect, only the results are collected into the target collection.- Specified by:
flatCollectInt
in interfaceRichIterable<T>
- Parameters:
function
- TheFunction
to applytarget
- The collection into which results should be added.- Returns:
target
, which will contain a flattened collection of results produced by applying the givenfunction
- See Also:
RichIterable.flatCollect(Function)
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collectLong
public <R extends MutableLongCollection> R collectLong(LongFunction<? super T> longFunction, R target)
Description copied from interface:RichIterable
Same asRichIterable.collectLong(LongFunction)
, except that the results are gathered into the specifiedtarget
collection.Example using a Java 8 lambda expression:
LongArrayList longs = people.collectLong(person -> person.getGuid(), new LongArrayList());
Example using an anonymous inner class:
LongArrayList longs = people.collectLong(new LongFunction<Person>() { public long longValueOf(Person person) { return person.getGuid(); } }, new LongArrayList());
- Specified by:
collectLong
in interfaceRichIterable<T>
- Parameters:
longFunction
- aLongFunction
to use as the collect transformation functiontarget
- the MutableLongCollection to append to for all elements in thisRichIterable
- Returns:
target
, which contains appended elements as a result of the collect transformation
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flatCollectLong
public <R extends MutableLongCollection> R flatCollectLong(Function<? super T,? extends LongIterable> function, R target)
Description copied from interface:RichIterable
Same as flatCollect, only the results are collected into the target collection.- Specified by:
flatCollectLong
in interfaceRichIterable<T>
- Parameters:
function
- TheFunction
to applytarget
- The collection into which results should be added.- Returns:
target
, which will contain a flattened collection of results produced by applying the givenfunction
- See Also:
RichIterable.flatCollect(Function)
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collectShort
public <R extends MutableShortCollection> R collectShort(ShortFunction<? super T> shortFunction, R target)
Description copied from interface:RichIterable
Same asRichIterable.collectShort(ShortFunction)
, except that the results are gathered into the specifiedtarget
collection.Example using a Java 8 lambda expression:
ShortArrayList shorts = people.collectShort(person -> person.getNumberOfJunkMailItemsReceivedPerMonth, new ShortArrayList());
Example using an anonymous inner class:
ShortArrayList shorts = people.collectShort(new ShortFunction<Person>() { public short shortValueOf(Person person) { return person.getNumberOfJunkMailItemsReceivedPerMonth; } }, new ShortArrayList());
- Specified by:
collectShort
in interfaceRichIterable<T>
- Parameters:
shortFunction
- aShortFunction
to use as the collect transformation functiontarget
- the MutableShortCollection to append to for all elements in thisRichIterable
- Returns:
target
, which contains appended elements as a result of the collect transformation
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flatCollectShort
public <R extends MutableShortCollection> R flatCollectShort(Function<? super T,? extends ShortIterable> function, R target)
Description copied from interface:RichIterable
Same as flatCollect, only the results are collected into the target collection.- Specified by:
flatCollectShort
in interfaceRichIterable<T>
- Parameters:
function
- TheFunction
to applytarget
- The collection into which results should be added.- Returns:
target
, which will contain a flattened collection of results produced by applying the givenfunction
- See Also:
RichIterable.flatCollect(Function)
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groupBy
public <V,R extends MutableMultimap<V,T>> R groupBy(Function<? super T,? extends V> function, R target)
Description copied from interface:RichIterable
Same asRichIterable.groupBy(Function)
, except that the results are gathered into the specifiedtarget
multimap.Example using a Java 8 method reference:
FastListMultimap<String, Person> peopleByLastName = people.groupBy(Person::getLastName, new FastListMultimap<String, Person>());
Example using an anonymous inner class:
FastListMultimap<String, Person> peopleByLastName = people.groupBy(new Function<Person, String>() { public String valueOf(Person person) { return person.getLastName(); } }, new FastListMultimap<String, Person>());
- Specified by:
groupBy
in interfaceRichIterable<T>
- Overrides:
groupBy
in classAbstractRichIterable<T>
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groupByEach
public <V,R extends MutableMultimap<V,T>> R groupByEach(Function<? super T,? extends java.lang.Iterable<V>> function, R target)
Description copied from interface:RichIterable
Same asRichIterable.groupByEach(Function)
, except that the results are gathered into the specifiedtarget
multimap.- Specified by:
groupByEach
in interfaceRichIterable<T>
- Overrides:
groupByEach
in classAbstractRichIterable<T>
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sumOfInt
public long sumOfInt(IntFunction<? super T> function)
Description copied from interface:RichIterable
Returns the final long result of evaluating function for each element of the iterable and adding the results together.- Specified by:
sumOfInt
in interfaceRichIterable<T>
- Overrides:
sumOfInt
in classAbstractRichIterable<T>
-
sumOfFloat
public double sumOfFloat(FloatFunction<? super T> function)
Description copied from interface:RichIterable
Returns the final double result of evaluating function for each element of the iterable and adding the results together. It uses Kahan summation algorithm to reduce numerical error.- Specified by:
sumOfFloat
in interfaceRichIterable<T>
- Overrides:
sumOfFloat
in classAbstractRichIterable<T>
-
sumOfLong
public long sumOfLong(LongFunction<? super T> function)
Description copied from interface:RichIterable
Returns the final long result of evaluating function for each element of the iterable and adding the results together.- Specified by:
sumOfLong
in interfaceRichIterable<T>
- Overrides:
sumOfLong
in classAbstractRichIterable<T>
-
sumOfDouble
public double sumOfDouble(DoubleFunction<? super T> function)
Description copied from interface:RichIterable
Returns the final double result of evaluating function for each element of the iterable and adding the results together. It uses Kahan summation algorithm to reduce numerical error.- Specified by:
sumOfDouble
in interfaceRichIterable<T>
- Overrides:
sumOfDouble
in classAbstractRichIterable<T>
-
injectInto
public <IV> IV injectInto(IV injectedValue, Function2<? super IV,? super T,? extends IV> function)
Description copied from interface:RichIterable
Returns the final result of evaluating function using each element of the iterable and the previous evaluation result as the parameters. The injected value is used for the first parameter of the first evaluation, and the current item in the iterable is used as the second parameter. This method is commonly called fold or sometimes reduce.- Specified by:
injectInto
in interfaceRichIterable<T>
- Overrides:
injectInto
in classAbstractRichIterable<T>
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injectInto
public int injectInto(int injectedValue, IntObjectToIntFunction<? super T> function)
Description copied from interface:RichIterable
Returns the final int result of evaluating function using each element of the iterable and the previous evaluation result as the parameters. The injected value is used for the first parameter of the first evaluation, and the current item in the iterable is used as the second parameter.- Specified by:
injectInto
in interfaceRichIterable<T>
- Overrides:
injectInto
in classAbstractRichIterable<T>
-
injectInto
public long injectInto(long injectedValue, LongObjectToLongFunction<? super T> function)
Description copied from interface:RichIterable
Returns the final long result of evaluating function using each element of the iterable and the previous evaluation result as the parameters. The injected value is used for the first parameter of the first evaluation, and the current item in the iterable is used as the second parameter.- Specified by:
injectInto
in interfaceRichIterable<T>
- Overrides:
injectInto
in classAbstractRichIterable<T>
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injectInto
public double injectInto(double injectedValue, DoubleObjectToDoubleFunction<? super T> function)
Description copied from interface:RichIterable
Returns the final double result of evaluating function using each element of the iterable and the previous evaluation result as the parameters. The injected value is used for the first parameter of the first evaluation, and the current item in the iterable is used as the second parameter.- Specified by:
injectInto
in interfaceRichIterable<T>
- Overrides:
injectInto
in classAbstractRichIterable<T>
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injectInto
public float injectInto(float injectedValue, FloatObjectToFloatFunction<? super T> function)
Description copied from interface:RichIterable
Returns the final float result of evaluating function using each element of the iterable and the previous evaluation result as the parameters. The injected value is used for the first parameter of the first evaluation, and the current item in the iterable is used as the second parameter.- Specified by:
injectInto
in interfaceRichIterable<T>
- Overrides:
injectInto
in classAbstractRichIterable<T>
-
injectIntoWith
public <IV,P> IV injectIntoWith(IV injectedValue, Function3<? super IV,? super T,? super P,? extends IV> function, P parameter)
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toStringOfItemToCount
public java.lang.String toStringOfItemToCount()
Description copied from interface:Bag
Returns a string representation of this bag. The string representation consists of a list of element-count mappings.Assert.assertEquals("{1=1, 2=2, 3=3}", Bags.mutable.with(1, 2, 2, 3, 3, 3).toStringOfItemToCount());
This string representation is similar toAbstractMap.toString()
, notRichIterable.toString()
, whereas thetoString()
implementation for a Bag is consistent withRichIterable.toString()
.- Specified by:
toStringOfItemToCount
in interfaceBag<T>
- Returns:
- a string representation of this bag
-
toListWithOccurrences
protected MutableList<ObjectIntPair<T>> toListWithOccurrences()
-
toList
public MutableList<T> toList()
Description copied from interface:RichIterable
Converts the collection to a MutableList implementation.- Specified by:
toList
in interfaceRichIterable<T>
- Overrides:
toList
in classAbstractRichIterable<T>
-
toSortedList
public MutableList<T> toSortedList(java.util.Comparator<? super T> comparator)
Description copied from interface:RichIterable
Converts the collection to a MutableList implementation and sorts it using the specified comparator.- Specified by:
toSortedList
in interfaceRichIterable<T>
-
toSet
public MutableSet<T> toSet()
Description copied from interface:RichIterable
Converts the collection to a MutableSet implementation.- Specified by:
toSet
in interfaceRichIterable<T>
- Overrides:
toSet
in classAbstractRichIterable<T>
-
toSortedSet
public MutableSortedSet<T> toSortedSet()
Description copied from interface:RichIterable
Converts the collection to a MutableSortedSet implementation and sorts it using the natural order of the elements.- Specified by:
toSortedSet
in interfaceRichIterable<T>
- Overrides:
toSortedSet
in classAbstractRichIterable<T>
-
toSortedSet
public MutableSortedSet<T> toSortedSet(java.util.Comparator<? super T> comparator)
Description copied from interface:RichIterable
Converts the collection to a MutableSortedSet implementation and sorts it using the specified comparator.- Specified by:
toSortedSet
in interfaceRichIterable<T>
- Overrides:
toSortedSet
in classAbstractRichIterable<T>
-
toBag
public MutableBag<T> toBag()
Description copied from interface:RichIterable
Converts the collection to the default MutableBag implementation.- Specified by:
toBag
in interfaceRichIterable<T>
- Overrides:
toBag
in classAbstractRichIterable<T>
-
toSortedBag
public MutableSortedBag<T> toSortedBag()
Description copied from interface:RichIterable
Converts the collection to a MutableSortedBag implementation and sorts it using the natural order of the elements.- Specified by:
toSortedBag
in interfaceRichIterable<T>
- Overrides:
toSortedBag
in classAbstractRichIterable<T>
-
toSortedBag
public MutableSortedBag<T> toSortedBag(java.util.Comparator<? super T> comparator)
Description copied from interface:RichIterable
Converts the collection to the MutableSortedBag implementation and sorts it using the specified comparator.- Specified by:
toSortedBag
in interfaceRichIterable<T>
- Overrides:
toSortedBag
in classAbstractRichIterable<T>
-
occurrencesSortingBy
protected MutableList<ObjectIntPair<T>> occurrencesSortingBy(int n, IntFunction<ObjectIntPair<T>> function, MutableList<ObjectIntPair<T>> returnWhenEmpty)
-
-