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AbstractRichIterable.java
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AbstractRichIterable.java
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/*
* Copyright (c) 2018 Goldman Sachs and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* and Eclipse Distribution License v. 1.0 which accompany this distribution.
* The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
* and the Eclipse Distribution License is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*/
package org.eclipse.collections.impl;
import java.io.IOException;
import java.lang.reflect.Array;
import java.util.Collection;
import java.util.Comparator;
import java.util.Optional;
import org.eclipse.collections.api.LazyIterable;
import org.eclipse.collections.api.RichIterable;
import org.eclipse.collections.api.bag.Bag;
import org.eclipse.collections.api.bag.MutableBag;
import org.eclipse.collections.api.bag.sorted.MutableSortedBag;
import org.eclipse.collections.api.bimap.MutableBiMap;
import org.eclipse.collections.api.block.function.Function;
import org.eclipse.collections.api.block.function.Function0;
import org.eclipse.collections.api.block.function.Function2;
import org.eclipse.collections.api.block.function.primitive.BooleanFunction;
import org.eclipse.collections.api.block.function.primitive.ByteFunction;
import org.eclipse.collections.api.block.function.primitive.CharFunction;
import org.eclipse.collections.api.block.function.primitive.DoubleFunction;
import org.eclipse.collections.api.block.function.primitive.DoubleObjectToDoubleFunction;
import org.eclipse.collections.api.block.function.primitive.FloatFunction;
import org.eclipse.collections.api.block.function.primitive.FloatObjectToFloatFunction;
import org.eclipse.collections.api.block.function.primitive.IntFunction;
import org.eclipse.collections.api.block.function.primitive.IntObjectToIntFunction;
import org.eclipse.collections.api.block.function.primitive.LongFunction;
import org.eclipse.collections.api.block.function.primitive.LongObjectToLongFunction;
import org.eclipse.collections.api.block.function.primitive.ShortFunction;
import org.eclipse.collections.api.block.predicate.Predicate;
import org.eclipse.collections.api.block.predicate.Predicate2;
import org.eclipse.collections.api.block.procedure.Procedure;
import org.eclipse.collections.api.block.procedure.Procedure2;
import org.eclipse.collections.api.block.procedure.primitive.ObjectIntProcedure;
import org.eclipse.collections.api.collection.primitive.MutableBooleanCollection;
import org.eclipse.collections.api.collection.primitive.MutableByteCollection;
import org.eclipse.collections.api.collection.primitive.MutableCharCollection;
import org.eclipse.collections.api.collection.primitive.MutableDoubleCollection;
import org.eclipse.collections.api.collection.primitive.MutableFloatCollection;
import org.eclipse.collections.api.collection.primitive.MutableIntCollection;
import org.eclipse.collections.api.collection.primitive.MutableLongCollection;
import org.eclipse.collections.api.collection.primitive.MutableShortCollection;
import org.eclipse.collections.api.list.MutableList;
import org.eclipse.collections.api.map.MutableMap;
import org.eclipse.collections.api.map.MutableMapIterable;
import org.eclipse.collections.api.map.sorted.MutableSortedMap;
import org.eclipse.collections.api.multimap.MutableMultimap;
import org.eclipse.collections.api.set.MutableSet;
import org.eclipse.collections.api.set.sorted.MutableSortedSet;
import org.eclipse.collections.api.tuple.Pair;
import org.eclipse.collections.impl.bag.sorted.mutable.TreeBag;
import org.eclipse.collections.impl.block.factory.Comparators;
import org.eclipse.collections.impl.block.factory.Functions;
import org.eclipse.collections.impl.block.factory.Predicates;
import org.eclipse.collections.impl.block.factory.Predicates2;
import org.eclipse.collections.impl.block.factory.Procedures;
import org.eclipse.collections.impl.block.factory.Procedures2;
import org.eclipse.collections.impl.block.procedure.AppendStringProcedure;
import org.eclipse.collections.impl.block.procedure.BiMapCollectProcedure;
import org.eclipse.collections.impl.block.procedure.CollectIfProcedure;
import org.eclipse.collections.impl.block.procedure.CollectProcedure;
import org.eclipse.collections.impl.block.procedure.CountProcedure;
import org.eclipse.collections.impl.block.procedure.FlatCollectProcedure;
import org.eclipse.collections.impl.block.procedure.GroupByUniqueKeyProcedure;
import org.eclipse.collections.impl.block.procedure.InjectIntoProcedure;
import org.eclipse.collections.impl.block.procedure.MapCollectProcedure;
import org.eclipse.collections.impl.block.procedure.MaxByProcedure;
import org.eclipse.collections.impl.block.procedure.MaxComparatorProcedure;
import org.eclipse.collections.impl.block.procedure.MaxProcedure;
import org.eclipse.collections.impl.block.procedure.MinByProcedure;
import org.eclipse.collections.impl.block.procedure.MinComparatorProcedure;
import org.eclipse.collections.impl.block.procedure.MinProcedure;
import org.eclipse.collections.impl.block.procedure.MultimapEachPutProcedure;
import org.eclipse.collections.impl.block.procedure.MultimapPutProcedure;
import org.eclipse.collections.impl.block.procedure.RejectProcedure;
import org.eclipse.collections.impl.block.procedure.SelectProcedure;
import org.eclipse.collections.impl.block.procedure.SumOfDoubleProcedure;
import org.eclipse.collections.impl.block.procedure.SumOfFloatProcedure;
import org.eclipse.collections.impl.block.procedure.SumOfIntProcedure;
import org.eclipse.collections.impl.block.procedure.SumOfLongProcedure;
import org.eclipse.collections.impl.block.procedure.ZipWithIndexProcedure;
import org.eclipse.collections.impl.block.procedure.primitive.CollectBooleanProcedure;
import org.eclipse.collections.impl.block.procedure.primitive.CollectByteProcedure;
import org.eclipse.collections.impl.block.procedure.primitive.CollectCharProcedure;
import org.eclipse.collections.impl.block.procedure.primitive.CollectDoubleProcedure;
import org.eclipse.collections.impl.block.procedure.primitive.CollectFloatProcedure;
import org.eclipse.collections.impl.block.procedure.primitive.CollectIntProcedure;
import org.eclipse.collections.impl.block.procedure.primitive.CollectLongProcedure;
import org.eclipse.collections.impl.block.procedure.primitive.CollectShortProcedure;
import org.eclipse.collections.impl.block.procedure.primitive.InjectIntoDoubleProcedure;
import org.eclipse.collections.impl.block.procedure.primitive.InjectIntoFloatProcedure;
import org.eclipse.collections.impl.block.procedure.primitive.InjectIntoIntProcedure;
import org.eclipse.collections.impl.block.procedure.primitive.InjectIntoLongProcedure;
import org.eclipse.collections.impl.factory.Bags;
import org.eclipse.collections.impl.factory.BiMaps;
import org.eclipse.collections.impl.factory.Lists;
import org.eclipse.collections.impl.factory.Maps;
import org.eclipse.collections.impl.factory.Sets;
import org.eclipse.collections.impl.factory.SortedMaps;
import org.eclipse.collections.impl.factory.SortedSets;
import org.eclipse.collections.impl.utility.ArrayIterate;
import org.eclipse.collections.impl.utility.Iterate;
import org.eclipse.collections.impl.utility.LazyIterate;
import org.eclipse.collections.impl.utility.internal.IterableIterate;
public abstract class AbstractRichIterable<T> implements RichIterable<T>
{
@Override
public boolean contains(Object object)
{
return this.anySatisfyWith(Predicates2.equal(), object);
}
@Override
public boolean containsAllIterable(Iterable<?> source)
{
return Iterate.allSatisfyWith(source, Predicates2.in(), this);
}
@Override
public boolean containsAllArguments(Object... elements)
{
return ArrayIterate.allSatisfyWith(elements, Predicates2.in(), this);
}
@Override
public Object[] toArray()
{
Object[] result = new Object[this.size()];
this.forEachWithIndex((each, index) -> result[index] = each);
return result;
}
@Override
public <E> E[] toArray(E[] array)
{
int size = this.size();
E[] result = array.length < size
? (E[]) Array.newInstance(array.getClass().getComponentType(), size)
: array;
this.forEachWithIndex((each, index) -> result[index] = (E) each);
if (result.length > size)
{
result[size] = null;
}
return result;
}
@Override
public boolean isEmpty()
{
return this.size() == 0;
}
@Override
public MutableList<T> toList()
{
MutableList<T> list = Lists.mutable.empty();
this.forEachWith(Procedures2.addToCollection(), list);
return list;
}
@Override
public <V extends Comparable<? super V>> MutableList<T> toSortedListBy(Function<? super T, ? extends V> function)
{
return this.toSortedList(Comparators.byFunction(function));
}
@Override
public MutableSortedSet<T> toSortedSet()
{
MutableSortedSet<T> treeSet = SortedSets.mutable.empty();
this.forEachWith(Procedures2.addToCollection(), treeSet);
return treeSet;
}
@Override
public MutableSortedSet<T> toSortedSet(Comparator<? super T> comparator)
{
MutableSortedSet<T> treeSet = SortedSets.mutable.with(comparator);
this.forEachWith(Procedures2.addToCollection(), treeSet);
return treeSet;
}
@Override
public <V extends Comparable<? super V>> MutableSortedSet<T> toSortedSetBy(Function<? super T, ? extends V> function)
{
return this.toSortedSet(Comparators.byFunction(function));
}
@Override
public MutableSet<T> toSet()
{
MutableSet<T> set = Sets.mutable.empty();
this.forEachWith(Procedures2.addToCollection(), set);
return set;
}
@Override
public MutableBag<T> toBag()
{
MutableBag<T> bag = Bags.mutable.empty();
this.forEachWith(Procedures2.addToCollection(), bag);
return bag;
}
@Override
public MutableSortedBag<T> toSortedBag()
{
MutableSortedBag<T> sortedBag = TreeBag.newBag();
this.forEachWith(Procedures2.addToCollection(), sortedBag);
return sortedBag;
}
@Override
public MutableSortedBag<T> toSortedBag(Comparator<? super T> comparator)
{
MutableSortedBag<T> sortedBag = TreeBag.newBag(comparator);
this.forEachWith(Procedures2.addToCollection(), sortedBag);
return sortedBag;
}
@Override
public <V extends Comparable<? super V>> MutableSortedBag<T> toSortedBagBy(Function<? super T, ? extends V> function)
{
return this.toSortedBag(Comparators.byFunction(function));
}
@Override
public <K, V> MutableMap<K, V> toMap(
Function<? super T, ? extends K> keyFunction,
Function<? super T, ? extends V> valueFunction)
{
MutableMap<K, V> map = Maps.mutable.empty();
this.forEach(new MapCollectProcedure<>(map, keyFunction, valueFunction));
return map;
}
@Override
public <K, V> MutableSortedMap<K, V> toSortedMap(
Function<? super T, ? extends K> keyFunction,
Function<? super T, ? extends V> valueFunction)
{
MutableSortedMap<K, V> sortedMap = SortedMaps.mutable.empty();
this.forEach(new MapCollectProcedure<>(sortedMap, keyFunction, valueFunction));
return sortedMap;
}
@Override
public <K, V> MutableSortedMap<K, V> toSortedMap(
Comparator<? super K> comparator,
Function<? super T, ? extends K> keyFunction,
Function<? super T, ? extends V> valueFunction)
{
MutableSortedMap<K, V> sortedMap = SortedMaps.mutable.with(comparator);
this.forEach(new MapCollectProcedure<>(sortedMap, keyFunction, valueFunction));
return sortedMap;
}
@Override
public <KK extends Comparable<? super KK>, K, V> MutableSortedMap<K, V> toSortedMapBy(
Function<? super K, KK> sortBy,
Function<? super T, ? extends K> keyFunction,
Function<? super T, ? extends V> valueFunction)
{
return this.toSortedMap(Comparators.byFunction(sortBy), keyFunction, valueFunction);
}
@Override
public <K, V> MutableBiMap<K, V> toBiMap(
Function<? super T, ? extends K> keyFunction,
Function<? super T, ? extends V> valueFunction)
{
MutableBiMap<K, V> biMap = BiMaps.mutable.empty();
this.forEach(new BiMapCollectProcedure<>(biMap, keyFunction, valueFunction));
return biMap;
}
@Override
public <R extends Collection<T>> R select(Predicate<? super T> predicate, R target)
{
this.forEach(new SelectProcedure<>(predicate, target));
return target;
}
@Override
public <P, R extends Collection<T>> R selectWith(
Predicate2<? super T, ? super P> predicate,
P parameter,
R target)
{
return this.select(Predicates.bind(predicate, parameter), target);
}
@Override
public <R extends Collection<T>> R reject(Predicate<? super T> predicate, R target)
{
this.forEach(new RejectProcedure<>(predicate, target));
return target;
}
@Override
public <P, R extends Collection<T>> R rejectWith(
Predicate2<? super T, ? super P> predicate,
P parameter,
R target)
{
return this.reject(Predicates.bind(predicate, parameter), target);
}
@Override
public <V, R extends Collection<V>> R collect(Function<? super T, ? extends V> function, R target)
{
this.forEach(new CollectProcedure<>(function, target));
return target;
}
@Override
public <P, V, R extends Collection<V>> R collectWith(
Function2<? super T, ? super P, ? extends V> function,
P parameter,
R target)
{
return this.collect(Functions.bind(function, parameter), target);
}
@Override
public <V, R extends Collection<V>> R collectIf(
Predicate<? super T> predicate,
Function<? super T, ? extends V> function,
R target)
{
this.forEach(new CollectIfProcedure<>(target, function, predicate));
return target;
}
@Override
public <P> T detectWithIfNone(
Predicate2<? super T, ? super P> predicate,
P parameter,
Function0<? extends T> function)
{
return this.detectIfNone(Predicates.bind(predicate, parameter), function);
}
@Override
public T min(Comparator<? super T> comparator)
{
MinComparatorProcedure<T> procedure = new MinComparatorProcedure<>(comparator);
this.forEach(procedure);
return procedure.getResult();
}
@Override
public T max(Comparator<? super T> comparator)
{
MaxComparatorProcedure<T> procedure = new MaxComparatorProcedure<>(comparator);
this.forEach(procedure);
return procedure.getResult();
}
@Override
public T min()
{
MinProcedure<T> procedure = new MinProcedure<>();
this.forEach(procedure);
return procedure.getResult();
}
@Override
public T max()
{
MaxProcedure<T> procedure = new MaxProcedure<>();
this.forEach(procedure);
return procedure.getResult();
}
@Override
public <V extends Comparable<? super V>> T minBy(Function<? super T, ? extends V> function)
{
MinByProcedure<T, V> minByProcedure = new MinByProcedure<>(function);
this.forEach(minByProcedure);
return minByProcedure.getResult();
}
@Override
public <V extends Comparable<? super V>> T maxBy(Function<? super T, ? extends V> function)
{
MaxByProcedure<T, V> maxByProcedure = new MaxByProcedure<>(function);
this.forEach(maxByProcedure);
return maxByProcedure.getResult();
}
@Override
public LazyIterable<T> asLazy()
{
return LazyIterate.adapt(this);
}
@Override
public <V, R extends Collection<V>> R flatCollect(
Function<? super T, ? extends Iterable<V>> function,
R target)
{
this.forEach(new FlatCollectProcedure<>(function, target));
return target;
}
@Override
public T detect(Predicate<? super T> predicate)
{
return IterableIterate.detect(this, predicate);
}
@Override
public <P> T detectWith(Predicate2<? super T, ? super P> predicate, P parameter)
{
return this.detect(Predicates.bind(predicate, parameter));
}
@Override
public Optional<T> detectOptional(Predicate<? super T> predicate)
{
return IterableIterate.detectOptional(this, predicate);
}
@Override
public <P> Optional<T> detectWithOptional(Predicate2<? super T, ? super P> predicate, P parameter)
{
return this.detectOptional(Predicates.bind(predicate, parameter));
}
@Override
public boolean anySatisfy(Predicate<? super T> predicate)
{
return IterableIterate.anySatisfy(this, predicate);
}
@Override
public boolean allSatisfy(Predicate<? super T> predicate)
{
return IterableIterate.allSatisfy(this, predicate);
}
@Override
public boolean noneSatisfy(Predicate<? super T> predicate)
{
return IterableIterate.noneSatisfy(this, predicate);
}
@Override
public <P> boolean anySatisfyWith(Predicate2<? super T, ? super P> predicate, P parameter)
{
return this.anySatisfy(Predicates.bind(predicate, parameter));
}
@Override
public <P> boolean allSatisfyWith(Predicate2<? super T, ? super P> predicate, P parameter)
{
return this.allSatisfy(Predicates.bind(predicate, parameter));
}
@Override
public <P> boolean noneSatisfyWith(Predicate2<? super T, ? super P> predicate, P parameter)
{
return this.noneSatisfy(Predicates.bind(predicate, parameter));
}
@Override
public int count(Predicate<? super T> predicate)
{
CountProcedure<T> procedure = new CountProcedure<>(predicate);
this.forEach(procedure);
return procedure.getCount();
}
@Override
public <P> int countWith(Predicate2<? super T, ? super P> predicate, P parameter)
{
return this.count(Predicates.bind(predicate, parameter));
}
@Override
public <IV> IV injectInto(IV injectedValue, Function2<? super IV, ? super T, ? extends IV> function)
{
InjectIntoProcedure<IV, T> procedure = new InjectIntoProcedure<>(injectedValue, function);
this.forEach(procedure);
return procedure.getResult();
}
@Override
public int injectInto(int injectedValue, IntObjectToIntFunction<? super T> function)
{
InjectIntoIntProcedure<T> procedure = new InjectIntoIntProcedure<>(injectedValue, function);
this.forEach(procedure);
return procedure.getResult();
}
@Override
public long injectInto(long injectedValue, LongObjectToLongFunction<? super T> function)
{
InjectIntoLongProcedure<T> procedure = new InjectIntoLongProcedure<>(injectedValue, function);
this.forEach(procedure);
return procedure.getResult();
}
@Override
public double injectInto(double injectedValue, DoubleObjectToDoubleFunction<? super T> function)
{
InjectIntoDoubleProcedure<T> procedure = new InjectIntoDoubleProcedure<>(injectedValue, function);
this.forEach(procedure);
return procedure.getResult();
}
@Override
public <R extends Collection<T>> R into(R target)
{
return Iterate.addAllTo(this, target);
}
@Override
public float injectInto(float injectedValue, FloatObjectToFloatFunction<? super T> function)
{
InjectIntoFloatProcedure<T> procedure = new InjectIntoFloatProcedure<>(injectedValue, function);
this.forEach(procedure);
return procedure.getResult();
}
@Override
public long sumOfInt(IntFunction<? super T> function)
{
SumOfIntProcedure<T> procedure = new SumOfIntProcedure<>(function);
this.forEach(procedure);
return procedure.getResult();
}
@Override
public double sumOfFloat(FloatFunction<? super T> function)
{
SumOfFloatProcedure<T> procedure = new SumOfFloatProcedure<>(function);
this.forEach(procedure);
return procedure.getResult();
}
@Override
public long sumOfLong(LongFunction<? super T> function)
{
SumOfLongProcedure<T> procedure = new SumOfLongProcedure<>(function);
this.forEach(procedure);
return procedure.getResult();
}
@Override
public double sumOfDouble(DoubleFunction<? super T> function)
{
SumOfDoubleProcedure<T> procedure = new SumOfDoubleProcedure<>(function);
this.forEach(procedure);
return procedure.getResult();
}
@Override
public void forEachWithIndex(ObjectIntProcedure<? super T> objectIntProcedure)
{
IterableIterate.forEachWithIndex(this, objectIntProcedure);
}
@Override
public final void forEach(Procedure<? super T> procedure)
{
this.each(procedure);
}
@Override
public <P> void forEachWith(Procedure2<? super T, ? super P> procedure, P parameter)
{
this.forEach(Procedures.bind(procedure, parameter));
}
@Override
public <S, R extends Collection<Pair<T, S>>> R zip(Iterable<S> that, R target)
{
return IterableIterate.zip(this, that, target);
}
@Override
public <R extends Collection<Pair<T, Integer>>> R zipWithIndex(R target)
{
this.forEach(ZipWithIndexProcedure.create(target));
return target;
}
/**
* Returns a string with the elements of the iterable separated by commas with spaces and
* enclosed in square brackets.
* <p>
* <pre>
* Assert.assertEquals("[]", Lists.mutable.empty().toString());
* Assert.assertEquals("[1]", Lists.mutable.with(1).toString());
* Assert.assertEquals("[1, 2, 3]", Lists.mutable.with(1, 2, 3).toString());
* </pre>
*
* @return a string representation of this collection.
* @see java.util.AbstractCollection#toString()
*/
@Override
public String toString()
{
return this.makeString("[", ", ", "]");
}
@Override
public void appendString(Appendable appendable, String separator)
{
AppendStringProcedure<T> appendStringProcedure = new AppendStringProcedure<>(appendable, separator);
this.forEach(appendStringProcedure);
}
@Override
public void appendString(Appendable appendable, String start, String separator, String end)
{
AppendStringProcedure<T> appendStringProcedure = new AppendStringProcedure<>(appendable, separator);
try
{
appendable.append(start);
this.forEach(appendStringProcedure);
appendable.append(end);
}
catch (IOException e)
{
throw new RuntimeException(e);
}
}
@Override
public boolean containsAll(Collection<?> collection)
{
return this.containsAllIterable(collection);
}
@Override
public <R extends MutableBooleanCollection> R collectBoolean(BooleanFunction<? super T> booleanFunction, R target)
{
this.forEach(new CollectBooleanProcedure<>(booleanFunction, target));
return target;
}
@Override
public <R extends MutableByteCollection> R collectByte(ByteFunction<? super T> byteFunction, R target)
{
this.forEach(new CollectByteProcedure<>(byteFunction, target));
return target;
}
@Override
public <R extends MutableCharCollection> R collectChar(CharFunction<? super T> charFunction, R target)
{
this.forEach(new CollectCharProcedure<>(charFunction, target));
return target;
}
@Override
public <R extends MutableDoubleCollection> R collectDouble(DoubleFunction<? super T> doubleFunction, R target)
{
this.forEach(new CollectDoubleProcedure<>(doubleFunction, target));
return target;
}
@Override
public <R extends MutableFloatCollection> R collectFloat(FloatFunction<? super T> floatFunction, R target)
{
this.forEach(new CollectFloatProcedure<>(floatFunction, target));
return target;
}
@Override
public <R extends MutableIntCollection> R collectInt(IntFunction<? super T> intFunction, R target)
{
this.forEach(new CollectIntProcedure<>(intFunction, target));
return target;
}
@Override
public <R extends MutableLongCollection> R collectLong(LongFunction<? super T> longFunction, R target)
{
this.forEach(new CollectLongProcedure<>(longFunction, target));
return target;
}
@Override
public <R extends MutableShortCollection> R collectShort(ShortFunction<? super T> shortFunction, R target)
{
this.forEach(new CollectShortProcedure<>(shortFunction, target));
return target;
}
/**
* @since 10.0.0
*/
@Override
public <V> Bag<V> countByEach(Function<? super T, ? extends Iterable<V>> function)
{
return this.countByEach(function, Bags.mutable.empty());
}
@Override
public <V, R extends MutableMultimap<V, T>> R groupBy(
Function<? super T, ? extends V> function,
R target)
{
this.forEach(MultimapPutProcedure.on(target, function));
return target;
}
@Override
public <V, R extends MutableMultimap<V, T>> R groupByEach(
Function<? super T, ? extends Iterable<V>> function,
R target)
{
this.forEach(MultimapEachPutProcedure.on(target, function));
return target;
}
@Override
public <V, R extends MutableMapIterable<V, T>> R groupByUniqueKey(
Function<? super T, ? extends V> function,
R target)
{
this.forEach(new GroupByUniqueKeyProcedure<>(target, function));
return target;
}
}