/*
 * 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.stack.immutable;

import java.io.Externalizable;
import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectOutput;
import java.io.Serializable;
import java.util.Collection;
import java.util.Comparator;
import java.util.EmptyStackException;
import java.util.Iterator;
import java.util.Map;
import java.util.Optional;

import org.eclipse.collections.api.LazyIterable;
import org.eclipse.collections.api.RichIterable;
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.ListIterable;
import org.eclipse.collections.api.list.MutableList;
import org.eclipse.collections.api.map.ImmutableMap;
import org.eclipse.collections.api.map.MutableMap;
import org.eclipse.collections.api.map.MutableMapIterable;
import org.eclipse.collections.api.map.primitive.ImmutableObjectDoubleMap;
import org.eclipse.collections.api.map.primitive.ImmutableObjectLongMap;
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.MutableMultimap;
import org.eclipse.collections.api.multimap.list.ImmutableListMultimap;
import org.eclipse.collections.api.ordered.OrderedIterable;
import org.eclipse.collections.api.partition.stack.PartitionImmutableStack;
import org.eclipse.collections.api.set.MutableSet;
import org.eclipse.collections.api.set.sorted.MutableSortedSet;
import org.eclipse.collections.api.stack.ImmutableStack;
import org.eclipse.collections.api.stack.MutableStack;
import org.eclipse.collections.api.stack.StackIterable;
import org.eclipse.collections.api.stack.primitive.ImmutableBooleanStack;
import org.eclipse.collections.api.stack.primitive.ImmutableByteStack;
import org.eclipse.collections.api.stack.primitive.ImmutableCharStack;
import org.eclipse.collections.api.stack.primitive.ImmutableDoubleStack;
import org.eclipse.collections.api.stack.primitive.ImmutableFloatStack;
import org.eclipse.collections.api.stack.primitive.ImmutableIntStack;
import org.eclipse.collections.api.stack.primitive.ImmutableLongStack;
import org.eclipse.collections.api.stack.primitive.ImmutableShortStack;
import org.eclipse.collections.api.tuple.Pair;
import org.eclipse.collections.impl.block.factory.Comparators;
import org.eclipse.collections.impl.block.factory.Predicates;
import org.eclipse.collections.impl.block.procedure.MutatingAggregationProcedure;
import org.eclipse.collections.impl.block.procedure.NonMutatingAggregationProcedure;
import org.eclipse.collections.impl.block.procedure.checked.CheckedProcedure;
import org.eclipse.collections.impl.list.Interval;
import org.eclipse.collections.impl.list.mutable.FastList;
import org.eclipse.collections.impl.map.mutable.UnifiedMap;
import org.eclipse.collections.impl.multimap.list.FastListMultimap;
import org.eclipse.collections.impl.partition.stack.PartitionArrayStack;
import org.eclipse.collections.impl.stack.mutable.ArrayStack;
import org.eclipse.collections.impl.stack.mutable.primitive.BooleanArrayStack;
import org.eclipse.collections.impl.stack.mutable.primitive.ByteArrayStack;
import org.eclipse.collections.impl.stack.mutable.primitive.CharArrayStack;
import org.eclipse.collections.impl.stack.mutable.primitive.DoubleArrayStack;
import org.eclipse.collections.impl.stack.mutable.primitive.FloatArrayStack;
import org.eclipse.collections.impl.stack.mutable.primitive.IntArrayStack;
import org.eclipse.collections.impl.stack.mutable.primitive.LongArrayStack;
import org.eclipse.collections.impl.stack.mutable.primitive.ShortArrayStack;
import org.eclipse.collections.impl.utility.Iterate;
import org.eclipse.collections.impl.utility.LazyIterate;

The immutable equivalent of ArrayStack. Wraps a FastList.
/** * The immutable equivalent of ArrayStack. Wraps a FastList. */
final class ImmutableArrayStack<T> implements ImmutableStack<T>, Serializable { private static final long serialVersionUID = 1L; private final FastList<T> delegate; private ImmutableArrayStack(T[] newElements) { this.delegate = FastList.newListWith(newElements); } private ImmutableArrayStack(FastList<T> newElements) { this.delegate = newElements; } public static <T> ImmutableStack<T> newStack() { return new ImmutableArrayStack<>(FastList.newList()); } public static <E> ImmutableArrayStack<E> newStack(Iterable<? extends E> iterable) { return new ImmutableArrayStack<>((E[]) Iterate.toArray(iterable)); } public static <E> ImmutableArrayStack<E> newStackWith(E... elements) { return new ImmutableArrayStack<>(elements.clone()); } public static <T> ImmutableArrayStack<T> newStackFromTopToBottom(Iterable<? extends T> items) { return new ImmutableArrayStack<>(FastList.<T>newList(items).reverseThis()); } public static <T> ImmutableArrayStack<T> newStackFromTopToBottom(T... items) { return new ImmutableArrayStack<>(FastList.newListWith(items).reverseThis()); } @Override public ImmutableStack<T> push(T item) { FastList<T> newDelegate = FastList.newList(this.delegate); newDelegate.add(item); return new ImmutableArrayStack<>(newDelegate); } @Override public ImmutableStack<T> pop() { this.checkEmptyStack(); FastList<T> newDelegate = FastList.newList(this.delegate); newDelegate.remove(this.delegate.size() - 1); return new ImmutableArrayStack<>(newDelegate); } @Override public ImmutableStack<T> pop(int count) { this.checkNegativeCount(count); if (this.checkZeroCount(count)) { return this; } this.checkEmptyStack(); this.checkSizeLessThanCount(count); FastList<T> newDelegate = this.delegate.clone(); while (count > 0) { newDelegate.remove(this.delegate.size() - 1); count--; } return new ImmutableArrayStack<>(newDelegate); } @Override public T peek() { this.checkEmptyStack(); return this.delegate.getLast(); } private void checkEmptyStack() { if (this.delegate.isEmpty()) { throw new EmptyStackException(); } } @Override public ListIterable<T> peek(int count) { this.checkNegativeCount(count); if (this.checkZeroCount(count)) { return FastList.newList(); } this.checkEmptyStack(); this.checkSizeLessThanCount(count); return FastList.newList(this.asLazy().take(count)); } private boolean checkZeroCount(int count) { return count == 0; } private void checkSizeLessThanCount(int count) { if (this.delegate.size() < count) { throw new IllegalArgumentException("Count must be less than size: Count = " + count + " Size = " + this.delegate.size()); } } private void checkSizeLessThanOrEqualToIndex(int index) { if (this.delegate.size() <= index) { throw new IllegalArgumentException("Count must be less than size: Count = " + index + " Size = " + this.delegate.size()); } } private void checkNegativeCount(int count) { if (count < 0) { throw new IllegalArgumentException("Count must be positive but was " + count); } } @Override public T peekAt(int index) { this.checkNegativeCount(index); this.checkEmptyStack(); this.checkSizeLessThanOrEqualToIndex(index); return this.delegate.get(this.delegate.size() - 1 - index); } @Override public T getFirst() { return this.peek(); } @Override public T getLast() { throw new UnsupportedOperationException("Cannot call getLast() on " + this.getClass().getSimpleName()); } @Override public T getOnly() { return this.delegate.getOnly(); } @Override public boolean contains(Object object) { return this.delegate.asReversed().contains(object); } @Override public boolean containsAllIterable(Iterable<?> source) { return this.delegate.asReversed().containsAllIterable(source); } @Override public boolean containsAll(Collection<?> source) { return this.delegate.asReversed().containsAll(source); } @Override public boolean containsAllArguments(Object... elements) { return this.delegate.asReversed().containsAllArguments(elements); } @Override public MutableStack<T> toStack() { return ArrayStack.newStackFromTopToBottom(this); } @Override public ImmutableStack<T> select(Predicate<? super T> predicate) { return ImmutableArrayStack.newStackFromTopToBottom(this.delegate.asReversed().select(predicate).toList()); } @Override public <P> ImmutableStack<T> selectWith(Predicate2<? super T, ? super P> predicate, P parameter) { return this.select(Predicates.bind(predicate, parameter)); } @Override public <R extends Collection<T>> R select(Predicate<? super T> predicate, R target) { return this.delegate.asReversed().select(predicate, target); } @Override public <P, R extends Collection<T>> R selectWith(Predicate2<? super T, ? super P> predicate, P parameter, R targetCollection) { return this.delegate.asReversed().selectWith(predicate, parameter, targetCollection); } @Override public ImmutableStack<T> reject(Predicate<? super T> predicate) { return ImmutableArrayStack.newStackFromTopToBottom(this.delegate.asReversed().reject(predicate).toList()); } @Override public <R extends Collection<T>> R reject(Predicate<? super T> predicate, R target) { return this.delegate.asReversed().reject(predicate, target); } @Override public <P> ImmutableStack<T> rejectWith(Predicate2<? super T, ? super P> predicate, P parameter) { return this.reject(Predicates.bind(predicate, parameter)); } @Override public <P, R extends Collection<T>> R rejectWith(Predicate2<? super T, ? super P> predicate, P parameter, R targetCollection) { return this.delegate.asReversed().rejectWith(predicate, parameter, targetCollection); } @Override public PartitionImmutableStack<T> partition(Predicate<? super T> predicate) { PartitionArrayStack<T> partitionMutableStack = new PartitionArrayStack<>(); this.delegate.asReversed().forEach(new PartitionArrayStack.PartitionProcedure<>(predicate, partitionMutableStack)); return partitionMutableStack.toImmutable(); } @Override public <P> PartitionImmutableStack<T> partitionWith(Predicate2<? super T, ? super P> predicate, P parameter) { PartitionArrayStack<T> partitionMutableStack = new PartitionArrayStack<>(); this.delegate.asReversed().forEach(new PartitionArrayStack.PartitionPredicate2Procedure<>(predicate, parameter, partitionMutableStack)); return partitionMutableStack.toImmutable(); } @Override public <S> ImmutableStack<S> selectInstancesOf(Class<S> clazz) { return ImmutableArrayStack.newStackFromTopToBottom(this.delegate.asReversed().selectInstancesOf(clazz).toList()); } @Override public <V> ImmutableStack<V> collect(Function<? super T, ? extends V> function) { return ImmutableArrayStack.newStackFromTopToBottom(this.delegate.asReversed().collect(function)); } @Override public ImmutableBooleanStack collectBoolean(BooleanFunction<? super T> booleanFunction) { return BooleanArrayStack.newStackFromTopToBottom(this.delegate.asReversed().collectBoolean(booleanFunction)).toImmutable(); } @Override public <R extends MutableBooleanCollection> R collectBoolean(BooleanFunction<? super T> booleanFunction, R target) { return this.delegate.asReversed().collectBoolean(booleanFunction, target); } @Override public ImmutableByteStack collectByte(ByteFunction<? super T> byteFunction) { return ByteArrayStack.newStackFromTopToBottom(this.delegate.asReversed().collectByte(byteFunction)).toImmutable(); } @Override public <R extends MutableByteCollection> R collectByte(ByteFunction<? super T> byteFunction, R target) { return this.delegate.asReversed().collectByte(byteFunction, target); } @Override public ImmutableCharStack collectChar(CharFunction<? super T> charFunction) { return CharArrayStack.newStackFromTopToBottom(this.delegate.asReversed().collectChar(charFunction)).toImmutable(); } @Override public <R extends MutableCharCollection> R collectChar(CharFunction<? super T> charFunction, R target) { return this.delegate.asReversed().collectChar(charFunction, target); } @Override public ImmutableDoubleStack collectDouble(DoubleFunction<? super T> doubleFunction) { return DoubleArrayStack.newStackFromTopToBottom(this.delegate.asReversed().collectDouble(doubleFunction)).toImmutable(); } @Override public <R extends MutableDoubleCollection> R collectDouble(DoubleFunction<? super T> doubleFunction, R target) { return this.delegate.asReversed().collectDouble(doubleFunction, target); } @Override public ImmutableFloatStack collectFloat(FloatFunction<? super T> floatFunction) { return FloatArrayStack.newStackFromTopToBottom(this.delegate.asReversed().collectFloat(floatFunction)).toImmutable(); } @Override public <R extends MutableFloatCollection> R collectFloat(FloatFunction<? super T> floatFunction, R target) { return this.delegate.asReversed().collectFloat(floatFunction, target); } @Override public ImmutableIntStack collectInt(IntFunction<? super T> intFunction) { return IntArrayStack.newStackFromTopToBottom(this.delegate.asReversed().collectInt(intFunction)).toImmutable(); } @Override public <R extends MutableIntCollection> R collectInt(IntFunction<? super T> intFunction, R target) { return this.delegate.asReversed().collectInt(intFunction, target); } @Override public ImmutableLongStack collectLong(LongFunction<? super T> longFunction) { return LongArrayStack.newStackFromTopToBottom(this.delegate.asReversed().collectLong(longFunction)).toImmutable(); } @Override public <R extends MutableLongCollection> R collectLong(LongFunction<? super T> longFunction, R target) { return this.delegate.asReversed().collectLong(longFunction, target); } @Override public ImmutableShortStack collectShort(ShortFunction<? super T> shortFunction) { return ShortArrayStack.newStackFromTopToBottom(this.delegate.asReversed().collectShort(shortFunction)).toImmutable(); } @Override public <R extends MutableShortCollection> R collectShort(ShortFunction<? super T> shortFunction, R target) { return this.delegate.asReversed().collectShort(shortFunction, target); } @Override public <V, R extends Collection<V>> R collect(Function<? super T, ? extends V> function, R target) { return this.delegate.asReversed().collect(function, target); } @Override public <P, V> ImmutableStack<V> collectWith(Function2<? super T, ? super P, ? extends V> function, P parameter) { return ImmutableArrayStack.newStackFromTopToBottom(this.delegate.asReversed().collectWith(function, parameter).toList()); } @Override public <P, V, R extends Collection<V>> R collectWith(Function2<? super T, ? super P, ? extends V> function, P parameter, R targetCollection) { return this.delegate.asReversed().collectWith(function, parameter, targetCollection); } @Override public <V> ImmutableStack<V> collectIf(Predicate<? super T> predicate, Function<? super T, ? extends V> function) { return ImmutableArrayStack.newStackFromTopToBottom(this.delegate.asReversed().collectIf(predicate, function).toList()); } @Override public <V, R extends Collection<V>> R collectIf(Predicate<? super T> predicate, Function<? super T, ? extends V> function, R target) { return this.delegate.asReversed().collectIf(predicate, function, target); } @Override public <V> ImmutableStack<V> flatCollect(Function<? super T, ? extends Iterable<V>> function) { return ImmutableArrayStack.newStackFromTopToBottom(this.delegate.asReversed().flatCollect(function).toList()); } @Override public <V, R extends Collection<V>> R flatCollect(Function<? super T, ? extends Iterable<V>> function, R target) { return this.delegate.asReversed().flatCollect(function, target); } @Override public T detect(Predicate<? super T> predicate) { return this.delegate.asReversed().detect(predicate); } @Override public <P> T detectWith(Predicate2<? super T, ? super P> predicate, P parameter) { return this.delegate.asReversed().detectWith(predicate, parameter); } @Override public Optional<T> detectOptional(Predicate<? super T> predicate) { return this.delegate.asReversed().detectOptional(predicate); } @Override public <P> Optional<T> detectWithOptional(Predicate2<? super T, ? super P> predicate, P parameter) { return this.delegate.asReversed().detectWithOptional(predicate, parameter); } @Override public T detectIfNone(Predicate<? super T> predicate, Function0<? extends T> function) { return this.delegate.asReversed().detectIfNone(predicate, function); } @Override public <P> T detectWithIfNone(Predicate2<? super T, ? super P> predicate, P parameter, Function0<? extends T> function) { return this.delegate.asReversed().detectWithIfNone(predicate, parameter, function); } @Override public int count(Predicate<? super T> predicate) { return this.delegate.asReversed().count(predicate); } @Override public <P> int countWith(Predicate2<? super T, ? super P> predicate, P parameter) { return this.delegate.asReversed().countWith(predicate, parameter); } @Override public boolean anySatisfy(Predicate<? super T> predicate) { return this.delegate.asReversed().anySatisfy(predicate); } @Override public <P> boolean anySatisfyWith(Predicate2<? super T, ? super P> predicate, P parameter) { return this.delegate.asReversed().anySatisfyWith(predicate, parameter); } @Override public boolean allSatisfy(Predicate<? super T> predicate) { return this.delegate.asReversed().allSatisfy(predicate); } @Override public <P> boolean allSatisfyWith(Predicate2<? super T, ? super P> predicate, P parameter) { return this.delegate.asReversed().allSatisfyWith(predicate, parameter); } @Override public boolean noneSatisfy(Predicate<? super T> predicate) { return this.delegate.asReversed().noneSatisfy(predicate); } @Override public <P> boolean noneSatisfyWith(Predicate2<? super T, ? super P> predicate, P parameter) { return this.delegate.asReversed().noneSatisfyWith(predicate, parameter); } @Override public <IV> IV injectInto(IV injectedValue, Function2<? super IV, ? super T, ? extends IV> function) { return this.delegate.asReversed().injectInto(injectedValue, function); } @Override public int injectInto(int injectedValue, IntObjectToIntFunction<? super T> intObjectToIntFunction) { return this.delegate.asReversed().injectInto(injectedValue, intObjectToIntFunction); } @Override public long injectInto(long injectedValue, LongObjectToLongFunction<? super T> longObjectToLongFunction) { return this.delegate.asReversed().injectInto(injectedValue, longObjectToLongFunction); } @Override public double injectInto(double injectedValue, DoubleObjectToDoubleFunction<? super T> doubleObjectToDoubleFunction) { return this.delegate.asReversed().injectInto(injectedValue, doubleObjectToDoubleFunction); } @Override public float injectInto(float injectedValue, FloatObjectToFloatFunction<? super T> floatObjectToFloatFunction) { return this.delegate.asReversed().injectInto(injectedValue, floatObjectToFloatFunction); } @Override public <R extends Collection<T>> R into(R target) { return this.delegate.asReversed().into(target); } @Override public MutableList<T> toList() { return this.delegate.asReversed().toList(); } @Override public MutableList<T> toSortedList() { return this.delegate.asReversed().toSortedList(); } @Override public MutableList<T> toSortedList(Comparator<? super T> comparator) { return this.delegate.asReversed().toSortedList(comparator); } @Override public <V extends Comparable<? super V>> MutableList<T> toSortedListBy(Function<? super T, ? extends V> function) { return this.delegate.asReversed().toSortedListBy(function); } @Override public MutableSet<T> toSet() { return this.delegate.asReversed().toSet(); } @Override public MutableSortedSet<T> toSortedSet() { return this.delegate.asReversed().toSortedSet(); } @Override public MutableSortedSet<T> toSortedSet(Comparator<? super T> comparator) { return this.delegate.asReversed().toSortedSet(comparator); } @Override public <V extends Comparable<? super V>> MutableSortedSet<T> toSortedSetBy(Function<? super T, ? extends V> function) { return this.delegate.asReversed().toSortedSetBy(function); } @Override public MutableBag<T> toBag() { return this.delegate.asReversed().toBag(); } @Override public MutableSortedBag<T> toSortedBag() { return this.delegate.asReversed().toSortedBag(); } @Override public MutableSortedBag<T> toSortedBag(Comparator<? super T> comparator) { return this.delegate.asReversed().toSortedBag(comparator); } @Override public <V extends Comparable<? super V>> MutableSortedBag<T> toSortedBagBy(Function<? super T, ? extends V> function) { return this.delegate.asReversed().toSortedBagBy(function); } @Override public <NK, NV> MutableMap<NK, NV> toMap(Function<? super T, ? extends NK> keyFunction, Function<? super T, ? extends NV> valueFunction) { return this.delegate.asReversed().toMap(keyFunction, valueFunction); } @Override public <NK, NV, R extends Map<NK, NV>> R toMap(Function<? super T, ? extends NK> keyFunction, Function<? super T, ? extends NV> valueFunction, R target) { return this.delegate.asReversed().toMap(keyFunction, valueFunction, target); } @Override public <NK, NV> MutableSortedMap<NK, NV> toSortedMap(Function<? super T, ? extends NK> keyFunction, Function<? super T, ? extends NV> valueFunction) { return this.delegate.asReversed().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.delegate.asReversed().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.delegate.asReversed().toSortedMapBy(sortBy, keyFunction, valueFunction); } @Override public <NK, NV> MutableBiMap<NK, NV> toBiMap(Function<? super T, ? extends NK> keyFunction, Function<? super T, ? extends NV> valueFunction) { return this.delegate.asReversed().toBiMap(keyFunction, valueFunction); } @Override public LazyIterable<T> asLazy() { return LazyIterate.adapt(this); } @Override public Object[] toArray() { return this.delegate.asReversed().toArray(); } @Override public <T> T[] toArray(T[] a) { return this.delegate.asReversed().toArray(a); } @Override public T min(Comparator<? super T> comparator) { return this.delegate.asReversed().min(comparator); } @Override public T max(Comparator<? super T> comparator) { return this.delegate.asReversed().max(comparator); } @Override public T min() { return this.delegate.asReversed().min(); } @Override public T max() { return this.delegate.asReversed().max(); } @Override public <V extends Comparable<? super V>> T minBy(Function<? super T, ? extends V> function) { return this.delegate.asReversed().toList().minBy(function); } @Override public <V extends Comparable<? super V>> T maxBy(Function<? super T, ? extends V> function) { return this.delegate.asReversed().maxBy(function); } @Override public long sumOfInt(IntFunction<? super T> intFunction) { return this.delegate.asReversed().sumOfInt(intFunction); } @Override public double sumOfFloat(FloatFunction<? super T> floatFunction) { return this.delegate.asReversed().sumOfFloat(floatFunction); } @Override public long sumOfLong(LongFunction<? super T> longFunction) { return this.delegate.asReversed().sumOfLong(longFunction); } @Override public double sumOfDouble(DoubleFunction<? super T> doubleFunction) { return this.delegate.asReversed().sumOfDouble(doubleFunction); } @Override public <V> ImmutableObjectLongMap<V> sumByInt(Function<? super T, ? extends V> groupBy, IntFunction<? super T> function) { ObjectLongMap<V> map = this.delegate.asReversed().sumByInt(groupBy, function); return map.toImmutable(); } @Override public <V> ImmutableObjectDoubleMap<V> sumByFloat(Function<? super T, ? extends V> groupBy, FloatFunction<? super T> function) { ObjectDoubleMap<V> map = this.delegate.asReversed().sumByFloat(groupBy, function); return map.toImmutable(); } @Override public <V> ImmutableObjectLongMap<V> sumByLong(Function<? super T, ? extends V> groupBy, LongFunction<? super T> function) { ObjectLongMap<V> map = this.delegate.asReversed().sumByLong(groupBy, function); return map.toImmutable(); } @Override public <V> ImmutableObjectDoubleMap<V> sumByDouble(Function<? super T, ? extends V> groupBy, DoubleFunction<? super T> function) { ObjectDoubleMap<V> map = this.delegate.asReversed().sumByDouble(groupBy, function); return map.toImmutable(); } @Override public String makeString() { return this.delegate.asReversed().makeString(); } @Override public String makeString(String separator) { return this.delegate.asReversed().makeString(separator); } @Override public String makeString(String start, String separator, String end) { return this.delegate.asReversed().makeString(start, separator, end); } @Override public void appendString(Appendable appendable) { this.delegate.asReversed().appendString(appendable); } @Override public void appendString(Appendable appendable, String separator) { this.delegate.asReversed().appendString(appendable, separator); } @Override public void appendString(Appendable appendable, String start, String separator, String end) { this.delegate.asReversed().appendString(appendable, start, separator, end); } @Override public <V> ImmutableListMultimap<V, T> groupBy(Function<? super T, ? extends V> function) { return this.groupBy(function, FastListMultimap.<V, T>newMultimap()).toImmutable(); } @Override public <V, R extends MutableMultimap<V, T>> R groupBy(Function<? super T, ? extends V> function, R target) { return this.delegate.asReversed().groupBy(function, target); } @Override public <V> ImmutableListMultimap<V, T> groupByEach(Function<? super T, ? extends Iterable<V>> function) { return this.groupByEach(function, FastListMultimap.newMultimap()).toImmutable(); } @Override public <V, R extends MutableMultimap<V, T>> R groupByEach(Function<? super T, ? extends Iterable<V>> function, R target) { return this.delegate.asReversed().groupByEach(function, target); } @Override public <V> ImmutableMap<V, T> groupByUniqueKey(Function<? super T, ? extends V> function) { return this.groupByUniqueKey(function, UnifiedMap.<V, T>newMap(this.size())).toImmutable(); } @Override public <V, R extends MutableMapIterable<V, T>> R groupByUniqueKey(Function<? super T, ? extends V> function, R target) { return this.delegate.asReversed().groupByUniqueKey(function, target); } @Override public <S> ImmutableStack<Pair<T, S>> zip(Iterable<S> that) { return ImmutableArrayStack.newStackFromTopToBottom(this.delegate.asReversed().zip(that).toList()); } @Override public <S, R extends Collection<Pair<T, S>>> R zip(Iterable<S> that, R target) { return this.delegate.asReversed().zip(that, target); } @Override public ImmutableStack<Pair<T, Integer>> zipWithIndex() { int maxIndex = this.delegate.size() - 1; Interval indices = Interval.fromTo(0, maxIndex); return ImmutableArrayStack.newStackFromTopToBottom(this.delegate.asReversed().zip(indices).toList()); } @Override public <R extends Collection<Pair<T, Integer>>> R zipWithIndex(R target) { return this.delegate.asReversed().zipWithIndex(target); } @Override public ImmutableStack<T> toImmutable() { return this; } @Override public RichIterable<RichIterable<T>> chunk(int size) { return this.delegate.asReversed().chunk(size); } @Override public <K, V> ImmutableMap<K, V> aggregateInPlaceBy(Function<? super T, ? extends K> groupBy, Function0<? extends V> zeroValueFactory, Procedure2<? super V, ? super T> mutatingAggregator) { MutableMap<K, V> map = UnifiedMap.newMap(); this.forEach(new MutatingAggregationProcedure<>(map, groupBy, zeroValueFactory, mutatingAggregator)); return map.toImmutable(); } @Override public <K, V> ImmutableMap<K, V> aggregateBy(Function<? super T, ? extends K> groupBy, Function0<? extends V> zeroValueFactory, Function2<? super V, ? super T, ? extends V> nonMutatingAggregator) { MutableMap<K, V> map = UnifiedMap.newMap(); this.forEach(new NonMutatingAggregationProcedure<>(map, groupBy, zeroValueFactory, nonMutatingAggregator)); return map.toImmutable(); } @Override public int size() { return this.delegate.size(); } @Override public boolean isEmpty() { return this.delegate.isEmpty(); } @Override public boolean notEmpty() { return this.delegate.notEmpty(); } @Override public ImmutableStack<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.delegate.reverseForEach(procedure); } @Override public void forEachWithIndex(ObjectIntProcedure<? super T> objectIntProcedure) { this.delegate.asReversed().forEachWithIndex(objectIntProcedure); } @Override public <P> void forEachWith(Procedure2<? super T, ? super P> procedure, P parameter) { this.delegate.asReversed().forEachWith(procedure, parameter); } @Override public ImmutableStack<T> takeWhile(Predicate<? super T> predicate) { throw new UnsupportedOperationException(this.getClass().getSimpleName() + ".takeWhile() not implemented yet"); } @Override public ImmutableStack<T> dropWhile(Predicate<? super T> predicate) { throw new UnsupportedOperationException(this.getClass().getSimpleName() + ".dropWhile() not implemented yet"); } @Override public PartitionImmutableStack<T> partitionWhile(Predicate<? super T> predicate) { throw new UnsupportedOperationException(this.getClass().getSimpleName() + ".partitionWhile() not implemented yet"); } @Override public ImmutableStack<T> distinct() { throw new UnsupportedOperationException(this.getClass().getSimpleName() + ".distinct() not implemented yet"); } @Override public int indexOf(Object object) { throw new UnsupportedOperationException(this.getClass().getSimpleName() + ".indexOf() not implemented yet"); } @Override public <S> boolean corresponds(OrderedIterable<S> other, Predicate2<? super T, ? super S> predicate) { throw new UnsupportedOperationException(this.getClass().getSimpleName() + ".corresponds() not implemented yet"); } public boolean hasSameElements(OrderedIterable<T> other) { throw new UnsupportedOperationException(this.getClass().getSimpleName() + ".hasSameElements() not implemented yet"); } @Override public void forEach(int startIndex, int endIndex, Procedure<? super T> procedure) { throw new UnsupportedOperationException(this.getClass().getSimpleName() + ".forEach() not implemented yet"); } @Override public void forEachWithIndex(int fromIndex, int toIndex, ObjectIntProcedure<? super T> objectIntProcedure) { throw new UnsupportedOperationException(this.getClass().getSimpleName() + ".forEachWithIndex() not implemented yet"); } @Override public int detectIndex(Predicate<? super T> predicate) { throw new UnsupportedOperationException(this.getClass().getSimpleName() + ".detectIndex() not implemented yet"); } @Override public Iterator<T> iterator() { return this.delegate.asReversed().iterator(); } @Override public boolean equals(Object o) { if (this == o) { return true; } if (!(o instanceof StackIterable<?>)) { return false; } StackIterable<?> that = (StackIterable<?>) o; if (that instanceof ImmutableArrayStack<?>) { return this.delegate.equals(((ImmutableArrayStack<?>) that).delegate); } Iterator<T> thisIterator = this.iterator(); Iterator<?> thatIterator = that.iterator(); while (thisIterator.hasNext() && thatIterator.hasNext()) { if (!Comparators.nullSafeEquals(thisIterator.next(), thatIterator.next())) { return false; } } return !thisIterator.hasNext() && !thatIterator.hasNext(); } @Override public String toString() { return this.delegate.asReversed().makeString("[", ", ", "]"); } @Override public int hashCode() { int hashCode = 1; for (T each : this) { hashCode = 31 * hashCode + (each == null ? 0 : each.hashCode()); } return hashCode; } private Object writeReplace() { return new ImmutableStackSerializationProxy<>(this); } private static class ImmutableStackSerializationProxy<T> implements Externalizable { private static final long serialVersionUID = 1L; private StackIterable<T> stack; @SuppressWarnings("UnusedDeclaration") public ImmutableStackSerializationProxy() { // Empty constructor for Externalizable class } protected ImmutableStackSerializationProxy(StackIterable<T> stack) { this.stack = stack; } @Override public void writeExternal(ObjectOutput out) throws IOException { out.writeInt(this.stack.size()); try { this.stack.forEach(new CheckedProcedure<T>() { public void safeValue(T object) throws IOException { out.writeObject(object); } }); } catch (RuntimeException e) { if (e.getCause() instanceof IOException) { throw (IOException) e.getCause(); } throw e; } } @Override public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException { int size = in.readInt(); FastList<T> deserializedDelegate = new FastList<>(size); for (int i = 0; i < size; i++) { deserializedDelegate.add((T) in.readObject()); } this.stack = ImmutableArrayStack.newStackFromTopToBottom(deserializedDelegate); } protected Object readResolve() { return this.stack; } } }