/*
 * 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.Serializable;
import java.util.Collection;
import java.util.Comparator;
import java.util.Iterator;
import java.util.Optional;

import org.eclipse.collections.api.BooleanIterable;
import org.eclipse.collections.api.ByteIterable;
import org.eclipse.collections.api.CharIterable;
import org.eclipse.collections.api.DoubleIterable;
import org.eclipse.collections.api.FloatIterable;
import org.eclipse.collections.api.IntIterable;
import org.eclipse.collections.api.LazyIterable;
import org.eclipse.collections.api.LongIterable;
import org.eclipse.collections.api.RichIterable;
import org.eclipse.collections.api.ShortIterable;
import org.eclipse.collections.api.bag.MutableBag;
import org.eclipse.collections.api.bag.sorted.MutableSortedBag;
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.MapIterable;
import org.eclipse.collections.api.map.MutableMap;
import org.eclipse.collections.api.map.primitive.ObjectDoubleMap;
import org.eclipse.collections.api.map.primitive.ObjectLongMap;
import org.eclipse.collections.api.map.sorted.MutableSortedMap;
import org.eclipse.collections.api.multimap.Multimap;
import org.eclipse.collections.api.multimap.MutableMultimap;
import org.eclipse.collections.api.partition.PartitionIterable;
import org.eclipse.collections.api.set.MutableSet;
import org.eclipse.collections.api.set.sorted.MutableSortedSet;
import org.eclipse.collections.api.tuple.Pair;

An unmodifiable view of a RichIterable.
/** * An unmodifiable view of a RichIterable. */
public class UnmodifiableRichIterable<T> implements RichIterable<T>, Serializable { private static final long serialVersionUID = 1L; protected final RichIterable<T> iterable; protected UnmodifiableRichIterable(RichIterable<T> richIterable) { this.iterable = richIterable; }
This method will take a RichIterable and wrap it directly in a UnmodifiableRichIterable.
/** * This method will take a RichIterable and wrap it directly in a UnmodifiableRichIterable. */
public static <E, RI extends RichIterable<E>> UnmodifiableRichIterable<E> of(RI iterable) { if (iterable == null) { throw new IllegalArgumentException("cannot create a UnmodifiableRichIterable for null"); } return new UnmodifiableRichIterable<>(iterable); } @Override public <R extends Collection<T>> R select(Predicate<? super T> predicate, R target) { return this.iterable.select(predicate, target); } @Override public <P> RichIterable<T> selectWith(Predicate2<? super T, ? super P> predicate, P parameter) { return this.iterable.selectWith(predicate, parameter); } @Override public <P, R extends Collection<T>> R selectWith(Predicate2<? super T, ? super P> predicate, P parameter, R targetCollection) { return this.iterable.selectWith(predicate, parameter, targetCollection); } @Override public <R extends Collection<T>> R reject(Predicate<? super T> predicate, R target) { return this.iterable.reject(predicate, target); } @Override public <P> RichIterable<T> rejectWith(Predicate2<? super T, ? super P> predicate, P parameter) { return this.iterable.rejectWith(predicate, parameter); } @Override public <P, R extends Collection<T>> R rejectWith(Predicate2<? super T, ? super P> predicate, P parameter, R targetCollection) { return this.iterable.rejectWith(predicate, parameter, targetCollection); } @Override public PartitionIterable<T> partition(Predicate<? super T> predicate) { return this.iterable.partition(predicate); } @Override public <P> PartitionIterable<T> partitionWith(Predicate2<? super T, ? super P> predicate, P parameter) { return this.iterable.partitionWith(predicate, parameter); } @Override public <V, R extends Collection<V>> R collect(Function<? super T, ? extends V> function, R target) { return this.iterable.collect(function, target); } @Override public <P, V> RichIterable<V> collectWith(Function2<? super T, ? super P, ? extends V> function, P parameter) { return this.iterable.collectWith(function, parameter); } @Override public <P, V, R extends Collection<V>> R collectWith(Function2<? super T, ? super P, ? extends V> function, P parameter, R targetCollection) { return this.iterable.collectWith(function, parameter, targetCollection); } @Override public <V, R extends Collection<V>> R collectIf(Predicate<? super T> predicate, Function<? super T, ? extends V> function, R target) { return this.iterable.collectIf(predicate, function, target); } @Override public <V, R extends Collection<V>> R flatCollect(Function<? super T, ? extends Iterable<V>> function, R target) { return this.iterable.flatCollect(function, target); } @Override public boolean contains(Object object) { return this.iterable.contains(object); } @Override public boolean containsAllIterable(Iterable<?> source) { return this.iterable.containsAllIterable(source); } @Override public boolean containsAll(Collection<?> source) { return this.iterable.containsAll(source); } @Override public boolean containsAllArguments(Object... elements) { return this.iterable.containsAllArguments(elements); } @Override public Object[] toArray() { return this.iterable.toArray(); } @Override public <T> T[] toArray(T[] a) { return this.iterable.toArray(a); } @Override public RichIterable<T> tap(Procedure<? super T> procedure) { this.forEach(procedure); return this; } @Override public void forEach(Procedure<? super T> procedure) { this.each(procedure); } @Override public void each(Procedure<? super T> procedure) { this.iterable.forEach(procedure); } @Override public void forEachWithIndex(ObjectIntProcedure<? super T> objectIntProcedure) { this.iterable.forEachWithIndex(objectIntProcedure); } @Override public <P> void forEachWith(Procedure2<? super T, ? super P> procedure, P parameter) { this.iterable.forEachWith(procedure, parameter); } @Override public boolean notEmpty() { return this.iterable.notEmpty(); } @Override public boolean isEmpty() { return this.iterable.isEmpty(); } @Override public int size() { return this.iterable.size(); } @Override public T getFirst() { return this.iterable.getFirst(); } @Override public T getLast() { return this.iterable.getLast(); } @Override public T getOnly() { return this.iterable.getOnly(); } @Override public RichIterable<T> select(Predicate<? super T> predicate) { return this.iterable.select(predicate); } @Override public RichIterable<T> reject(Predicate<? super T> predicate) { return this.iterable.reject(predicate); } @Override public <S> RichIterable<S> selectInstancesOf(Class<S> clazz) { return this.iterable.selectInstancesOf(clazz); } @Override public <V> RichIterable<V> collect(Function<? super T, ? extends V> function) { return this.iterable.collect(function); } @Override public BooleanIterable collectBoolean(BooleanFunction<? super T> booleanFunction) { return this.iterable.collectBoolean(booleanFunction); } @Override public <R extends MutableBooleanCollection> R collectBoolean(BooleanFunction<? super T> booleanFunction, R target) { return this.iterable.collectBoolean(booleanFunction, target); } @Override public ByteIterable collectByte(ByteFunction<? super T> byteFunction) { return this.iterable.collectByte(byteFunction); } @Override public <R extends MutableByteCollection> R collectByte(ByteFunction<? super T> byteFunction, R target) { return this.iterable.collectByte(byteFunction, target); } @Override public CharIterable collectChar(CharFunction<? super T> charFunction) { return this.iterable.collectChar(charFunction); } @Override public <R extends MutableCharCollection> R collectChar(CharFunction<? super T> charFunction, R target) { return this.iterable.collectChar(charFunction, target); } @Override public DoubleIterable collectDouble(DoubleFunction<? super T> doubleFunction) { return this.iterable.collectDouble(doubleFunction); } @Override public <R extends MutableDoubleCollection> R collectDouble(DoubleFunction<? super T> doubleFunction, R target) { return this.iterable.collectDouble(doubleFunction, target); } @Override public FloatIterable collectFloat(FloatFunction<? super T> floatFunction) { return this.iterable.collectFloat(floatFunction); } @Override public <R extends MutableFloatCollection> R collectFloat(FloatFunction<? super T> floatFunction, R target) { return this.iterable.collectFloat(floatFunction, target); } @Override public IntIterable collectInt(IntFunction<? super T> intFunction) { return this.iterable.collectInt(intFunction); } @Override public <R extends MutableIntCollection> R collectInt(IntFunction<? super T> intFunction, R target) { return this.iterable.collectInt(intFunction, target); } @Override public LongIterable collectLong(LongFunction<? super T> longFunction) { return this.iterable.collectLong(longFunction); } @Override public <R extends MutableLongCollection> R collectLong(LongFunction<? super T> longFunction, R target) { return this.iterable.collectLong(longFunction, target); } @Override public ShortIterable collectShort(ShortFunction<? super T> shortFunction) { return this.iterable.collectShort(shortFunction); } @Override public <R extends MutableShortCollection> R collectShort(ShortFunction<? super T> shortFunction, R target) { return this.iterable.collectShort(shortFunction, target); } @Override public <V> RichIterable<V> flatCollect(Function<? super T, ? extends Iterable<V>> function) { return this.iterable.flatCollect(function); } @Override public <V> RichIterable<V> collectIf(Predicate<? super T> predicate, Function<? super T, ? extends V> function) { return this.iterable.collectIf(predicate, function); } @Override public T detect(Predicate<? super T> predicate) { return this.iterable.detect(predicate); } @Override public <P> T detectWith(Predicate2<? super T, ? super P> predicate, P parameter) { return this.iterable.detectWith(predicate, parameter); } @Override public Optional<T> detectOptional(Predicate<? super T> predicate) { return this.iterable.detectOptional(predicate); } @Override public <P> Optional<T> detectWithOptional(Predicate2<? super T, ? super P> predicate, P parameter) { return this.iterable.detectWithOptional(predicate, parameter); } @Override public T detectIfNone(Predicate<? super T> predicate, Function0<? extends T> function) { return this.iterable.detectIfNone(predicate, function); } @Override public <P> T detectWithIfNone(Predicate2<? super T, ? super P> predicate, P parameter, Function0<? extends T> function) { return this.iterable.detectWithIfNone(predicate, parameter, function); } @Override public T min(Comparator<? super T> comparator) { return this.iterable.min(comparator); } @Override public T max(Comparator<? super T> comparator) { return this.iterable.max(comparator); } @Override public T min() { return this.iterable.min(); } @Override public T max() { return this.iterable.max(); } @Override public <V extends Comparable<? super V>> T minBy(Function<? super T, ? extends V> function) { return this.iterable.minBy(function); } @Override public <V extends Comparable<? super V>> T maxBy(Function<? super T, ? extends V> function) { return this.iterable.maxBy(function); } @Override public int count(Predicate<? super T> predicate) { return this.iterable.count(predicate); } @Override public <P> int countWith(Predicate2<? super T, ? super P> predicate, P parameter) { return this.iterable.countWith(predicate, parameter); } @Override public boolean anySatisfy(Predicate<? super T> predicate) { return this.iterable.anySatisfy(predicate); } @Override public <P> boolean anySatisfyWith(Predicate2<? super T, ? super P> predicate, P parameter) { return this.iterable.anySatisfyWith(predicate, parameter); } @Override public boolean allSatisfy(Predicate<? super T> predicate) { return this.iterable.allSatisfy(predicate); } @Override public <P> boolean allSatisfyWith(Predicate2<? super T, ? super P> predicate, P parameter) { return this.iterable.allSatisfyWith(predicate, parameter); } @Override public boolean noneSatisfy(Predicate<? super T> predicate) { return this.iterable.noneSatisfy(predicate); } @Override public <P> boolean noneSatisfyWith(Predicate2<? super T, ? super P> predicate, P parameter) { return this.iterable.noneSatisfyWith(predicate, parameter); } @Override public <IV> IV injectInto(IV injectedValue, Function2<? super IV, ? super T, ? extends IV> function) { return this.iterable.injectInto(injectedValue, function); } @Override public int injectInto(int injectedValue, IntObjectToIntFunction<? super T> function) { return this.iterable.injectInto(injectedValue, function); } @Override public long injectInto(long injectedValue, LongObjectToLongFunction<? super T> function) { return this.iterable.injectInto(injectedValue, function); } @Override public double injectInto(double injectedValue, DoubleObjectToDoubleFunction<? super T> function) { return this.iterable.injectInto(injectedValue, function); } @Override public float injectInto(float injectedValue, FloatObjectToFloatFunction<? super T> function) { return this.iterable.injectInto(injectedValue, function); } @Override public long sumOfInt(IntFunction<? super T> function) { return this.iterable.sumOfInt(function); } @Override public double sumOfFloat(FloatFunction<? super T> function) { return this.iterable.sumOfFloat(function); } @Override public long sumOfLong(LongFunction<? super T> function) { return this.iterable.sumOfLong(function); } @Override public double sumOfDouble(DoubleFunction<? super T> function) { return this.iterable.sumOfDouble(function); } @Override public <V> ObjectLongMap<V> sumByInt(Function<? super T, ? extends V> groupBy, IntFunction<? super T> function) { return this.iterable.sumByInt(groupBy, function); } @Override public <V> ObjectDoubleMap<V> sumByFloat(Function<? super T, ? extends V> groupBy, FloatFunction<? super T> function) { return this.iterable.sumByFloat(groupBy, function); } @Override public <V> ObjectLongMap<V> sumByLong(Function<? super T, ? extends V> groupBy, LongFunction<? super T> function) { return this.iterable.sumByLong(groupBy, function); } @Override public <V> ObjectDoubleMap<V> sumByDouble(Function<? super T, ? extends V> groupBy, DoubleFunction<? super T> function) { return this.iterable.sumByDouble(groupBy, function); } @Override public <R extends Collection<T>> R into(R target) { return this.iterable.into(target); } @Override public MutableList<T> toList() { return this.iterable.toList(); } @Override public MutableList<T> toSortedList() { return this.iterable.toSortedList(); } @Override public MutableList<T> toSortedList(Comparator<? super T> comparator) { return this.iterable.toSortedList(comparator); } @Override public <V extends Comparable<? super V>> MutableList<T> toSortedListBy(Function<? super T, ? extends V> function) { return this.iterable.toSortedListBy(function); } @Override public MutableSortedSet<T> toSortedSet() { return this.iterable.toSortedSet(); } @Override public MutableSortedSet<T> toSortedSet(Comparator<? super T> comparator) { return this.iterable.toSortedSet(comparator); } @Override public <V extends Comparable<? super V>> MutableSortedSet<T> toSortedSetBy(Function<? super T, ? extends V> function) { return this.iterable.toSortedSetBy(function); } @Override public MutableSet<T> toSet() { return this.iterable.toSet(); } @Override public MutableBag<T> toBag() { return this.iterable.toBag(); } @Override public MutableSortedBag<T> toSortedBag() { return this.iterable.toSortedBag(); } @Override public MutableSortedBag<T> toSortedBag(Comparator<? super T> comparator) { return this.iterable.toSortedBag(comparator); } @Override public <V extends Comparable<? super V>> MutableSortedBag<T> toSortedBagBy(Function<? super T, ? extends V> function) { return this.iterable.toSortedBagBy(function); } @Override public <NK, NV> MutableMap<NK, NV> toMap( Function<? super T, ? extends NK> keyFunction, Function<? super T, ? extends NV> valueFunction) { return this.iterable.toMap(keyFunction, valueFunction); } @Override public <NK, NV> MutableSortedMap<NK, NV> toSortedMap( Function<? super T, ? extends NK> keyFunction, Function<? super T, ? extends NV> valueFunction) { return this.iterable.toSortedMap(keyFunction, valueFunction); } @Override public <NK, NV> MutableSortedMap<NK, NV> toSortedMap(Comparator<? super NK> comparator, Function<? super T, ? extends NK> keyFunction, Function<? super T, ? extends NV> valueFunction) { return this.iterable.toSortedMap(comparator, keyFunction, valueFunction); } @Override public <KK extends Comparable<? super KK>, NK, NV> MutableSortedMap<NK, NV> toSortedMapBy( Function<? super NK, KK> sortBy, Function<? super T, ? extends NK> keyFunction, Function<? super T, ? extends NV> valueFunction) { return this.iterable.toSortedMapBy(sortBy, keyFunction, valueFunction); } @Override public LazyIterable<T> asLazy() { return this.iterable.asLazy(); } @Override public Iterator<T> iterator() { return new UnmodifiableIteratorAdapter<>(this.iterable.iterator()); } @Override public String toString() { return this.iterable.toString(); } @Override public String makeString() { return this.iterable.makeString(); } @Override public String makeString(String separator) { return this.iterable.makeString(separator); } @Override public String makeString(String start, String separator, String end) { return this.iterable.makeString(start, separator, end); } @Override public void appendString(Appendable appendable) { this.iterable.appendString(appendable); } @Override public void appendString(Appendable appendable, String separator) { this.iterable.appendString(appendable, separator); } @Override public void appendString(Appendable appendable, String start, String separator, String end) { this.iterable.appendString(appendable, start, separator, end); } @Override public <V> Multimap<V, T> groupBy(Function<? super T, ? extends V> function) { return this.iterable.groupBy(function); } @Override public <V, R extends MutableMultimap<V, T>> R groupBy( Function<? super T, ? extends V> function, R target) { return this.iterable.groupBy(function, target); } @Override public <V> Multimap<V, T> groupByEach(Function<? super T, ? extends Iterable<V>> function) { return this.iterable.groupByEach(function); } @Override public <V, R extends MutableMultimap<V, T>> R groupByEach( Function<? super T, ? extends Iterable<V>> function, R target) { return this.iterable.groupByEach(function, target); } @Override public <V> MapIterable<V, T> groupByUniqueKey(Function<? super T, ? extends V> function) { return this.iterable.groupByUniqueKey(function); } @Override public <V, R extends MutableMap<V, T>> R groupByUniqueKey( Function<? super T, ? extends V> function, R target) { return this.iterable.groupByUniqueKey(function, target); } @Override public <S> RichIterable<Pair<T, S>> zip(Iterable<S> that) { return this.iterable.zip(that); } @Override public <S, R extends Collection<Pair<T, S>>> R zip(Iterable<S> that, R target) { return this.iterable.zip(that, target); } @Override public RichIterable<Pair<T, Integer>> zipWithIndex() { return this.iterable.zipWithIndex(); } @Override public <R extends Collection<Pair<T, Integer>>> R zipWithIndex(R target) { return this.iterable.zipWithIndex(target); } @Override public RichIterable<RichIterable<T>> chunk(int size) { return this.iterable.chunk(size); } @Override public <K, V> MapIterable<K, V> aggregateInPlaceBy(Function<? super T, ? extends K> groupBy, Function0<? extends V> zeroValueFactory, Procedure2<? super V, ? super T> mutatingAggregator) { return this.iterable.aggregateInPlaceBy(groupBy, zeroValueFactory, mutatingAggregator); } @Override public <K, V> MapIterable<K, V> aggregateBy(Function<? super T, ? extends K> groupBy, Function0<? extends V> zeroValueFactory, Function2<? super V, ? super T, ? extends V> nonMutatingAggregator) { return this.iterable.aggregateBy(groupBy, zeroValueFactory, nonMutatingAggregator); } }