/* * Copyright 2014 Goldman Sachs. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.gs.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 com.gs.collections.api.LazyIterable; import com.gs.collections.api.RichIterable; import com.gs.collections.api.bag.MutableBag; import com.gs.collections.api.bag.sorted.MutableSortedBag; import com.gs.collections.api.block.function.Function; import com.gs.collections.api.block.function.Function0; import com.gs.collections.api.block.function.Function2; import com.gs.collections.api.block.function.primitive.BooleanFunction; import com.gs.collections.api.block.function.primitive.ByteFunction; import com.gs.collections.api.block.function.primitive.CharFunction; import com.gs.collections.api.block.function.primitive.DoubleFunction; import com.gs.collections.api.block.function.primitive.DoubleObjectToDoubleFunction; import com.gs.collections.api.block.function.primitive.FloatFunction; import com.gs.collections.api.block.function.primitive.FloatObjectToFloatFunction; import com.gs.collections.api.block.function.primitive.IntFunction; import com.gs.collections.api.block.function.primitive.IntObjectToIntFunction; import com.gs.collections.api.block.function.primitive.LongFunction; import com.gs.collections.api.block.function.primitive.LongObjectToLongFunction; import com.gs.collections.api.block.function.primitive.ShortFunction; import com.gs.collections.api.block.predicate.Predicate; import com.gs.collections.api.block.predicate.Predicate2; import com.gs.collections.api.block.procedure.Procedure; import com.gs.collections.api.block.procedure.Procedure2; import com.gs.collections.api.block.procedure.primitive.ObjectIntProcedure; import com.gs.collections.api.collection.primitive.MutableBooleanCollection; import com.gs.collections.api.collection.primitive.MutableByteCollection; import com.gs.collections.api.collection.primitive.MutableCharCollection; import com.gs.collections.api.collection.primitive.MutableDoubleCollection; import com.gs.collections.api.collection.primitive.MutableFloatCollection; import com.gs.collections.api.collection.primitive.MutableIntCollection; import com.gs.collections.api.collection.primitive.MutableLongCollection; import com.gs.collections.api.collection.primitive.MutableShortCollection; import com.gs.collections.api.list.ListIterable; import com.gs.collections.api.list.MutableList; import com.gs.collections.api.map.ImmutableMap; import com.gs.collections.api.map.MapIterable; import com.gs.collections.api.map.MutableMap; import com.gs.collections.api.map.primitive.ObjectDoubleMap; import com.gs.collections.api.map.primitive.ObjectLongMap; import com.gs.collections.api.map.sorted.MutableSortedMap; import com.gs.collections.api.multimap.MutableMultimap; import com.gs.collections.api.multimap.list.ImmutableListMultimap; import com.gs.collections.api.partition.stack.PartitionImmutableStack; import com.gs.collections.api.set.MutableSet; import com.gs.collections.api.set.sorted.MutableSortedSet; import com.gs.collections.api.stack.ImmutableStack; import com.gs.collections.api.stack.MutableStack; import com.gs.collections.api.stack.StackIterable; import com.gs.collections.api.stack.primitive.ImmutableBooleanStack; import com.gs.collections.api.stack.primitive.ImmutableByteStack; import com.gs.collections.api.stack.primitive.ImmutableCharStack; import com.gs.collections.api.stack.primitive.ImmutableDoubleStack; import com.gs.collections.api.stack.primitive.ImmutableFloatStack; import com.gs.collections.api.stack.primitive.ImmutableIntStack; import com.gs.collections.api.stack.primitive.ImmutableLongStack; import com.gs.collections.api.stack.primitive.ImmutableShortStack; import com.gs.collections.api.tuple.Pair; import com.gs.collections.impl.block.factory.Comparators; import com.gs.collections.impl.block.factory.Predicates; import com.gs.collections.impl.block.procedure.MutatingAggregationProcedure; import com.gs.collections.impl.block.procedure.NonMutatingAggregationProcedure; import com.gs.collections.impl.block.procedure.checked.CheckedProcedure; import com.gs.collections.impl.list.Interval; import com.gs.collections.impl.list.mutable.FastList; import com.gs.collections.impl.map.mutable.UnifiedMap; import com.gs.collections.impl.multimap.list.FastListMultimap; import com.gs.collections.impl.partition.stack.PartitionArrayStack; import com.gs.collections.impl.stack.mutable.ArrayStack; import com.gs.collections.impl.stack.mutable.primitive.BooleanArrayStack; import com.gs.collections.impl.stack.mutable.primitive.ByteArrayStack; import com.gs.collections.impl.stack.mutable.primitive.CharArrayStack; import com.gs.collections.impl.stack.mutable.primitive.DoubleArrayStack; import com.gs.collections.impl.stack.mutable.primitive.FloatArrayStack; import com.gs.collections.impl.stack.mutable.primitive.IntArrayStack; import com.gs.collections.impl.stack.mutable.primitive.LongArrayStack; import com.gs.collections.impl.stack.mutable.primitive.ShortArrayStack; import com.gs.collections.impl.utility.Iterate; import com.gs.collections.impl.utility.LazyIterate; import net.jcip.annotations.Immutable; /** * The immutable equivalent of ArrayStack. Wraps a FastList. */ @Immutable 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<T>(FastList.<T>newList()); } public static <E> ImmutableArrayStack<E> newStack(Iterable<? extends E> iterable) { return new ImmutableArrayStack<E>((E[]) Iterate.toArray(iterable)); } public static <E> ImmutableArrayStack<E> newStackWith(E... elements) { return new ImmutableArrayStack<E>(elements.clone()); } public static <T> ImmutableArrayStack<T> newStackFromTopToBottom(Iterable<? extends T> items) { return new ImmutableArrayStack<T>(FastList.newList(items).reverseThis()); } public static <T> ImmutableArrayStack<T> newStackFromTopToBottom(T... items) { return new ImmutableArrayStack<T>(FastList.newListWith(items).reverseThis()); } public ImmutableStack<T> push(T item) { FastList<T> newDelegate = FastList.newList(this.delegate); newDelegate.add(item); return new ImmutableArrayStack<T>(newDelegate); } public ImmutableStack<T> pop() { this.checkEmptyStack(); FastList<T> newDelegate = FastList.newList(this.delegate); newDelegate.remove(this.delegate.size() - 1); return new ImmutableArrayStack<T>(newDelegate); } 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<T>(newDelegate); } public T peek() { this.checkEmptyStack(); return this.delegate.getLast(); } private void checkEmptyStack() { if (this.delegate.isEmpty()) { throw new EmptyStackException(); } } 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); } } public T peekAt(int index) { this.checkNegativeCount(index); this.checkEmptyStack(); this.checkSizeLessThanOrEqualToIndex(index); return this.delegate.get(this.delegate.size() - 1 - index); } public T getFirst() { return this.peek(); } public T getLast() { throw new UnsupportedOperationException("Cannot call getLast() on " + this.getClass().getSimpleName()); } public boolean contains(Object object) { return this.delegate.asReversed().contains(object); } public boolean containsAllIterable(Iterable<?> source) { return this.delegate.asReversed().containsAllIterable(source); } public boolean containsAll(Collection<?> source) { return this.delegate.asReversed().containsAll(source); } public boolean containsAllArguments(Object... elements) { return this.delegate.asReversed().containsAllArguments(elements); } public MutableStack<T> toStack() { return ArrayStack.newStackFromTopToBottom(this); } public ImmutableStack<T> select(Predicate<? super T> predicate) { return ImmutableArrayStack.newStackFromTopToBottom(this.delegate.asReversed().select(predicate).toList()); } public <P> ImmutableStack<T> selectWith(Predicate2<? super T, ? super P> predicate, P parameter) { return this.select(Predicates.bind(predicate, parameter)); } public <R extends Collection<T>> R select(Predicate<? super T> predicate, R target) { return this.delegate.asReversed().select(predicate, target); } 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); } public ImmutableStack<T> reject(Predicate<? super T> predicate) { return ImmutableArrayStack.newStackFromTopToBottom(this.delegate.asReversed().reject(predicate).toList()); } public <R extends Collection<T>> R reject(Predicate<? super T> predicate, R target) { return this.delegate.asReversed().reject(predicate, target); } public <P> ImmutableStack<T> rejectWith(Predicate2<? super T, ? super P> predicate, P parameter) { return this.reject(Predicates.bind(predicate, parameter)); } 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); } public PartitionImmutableStack<T> partition(Predicate<? super T> predicate) { PartitionArrayStack<T> partitionMutableStack = new PartitionArrayStack<T>(); this.delegate.asReversed().forEach(new PartitionArrayStack.PartitionProcedure<T>(predicate, partitionMutableStack)); return partitionMutableStack.toImmutable(); } public <P> PartitionImmutableStack<T> partitionWith(Predicate2<? super T, ? super P> predicate, P parameter) { PartitionArrayStack<T> partitionMutableStack = new PartitionArrayStack<T>(); this.delegate.asReversed().forEach(new PartitionArrayStack.PartitionPredicate2Procedure<T, P>(predicate, parameter, partitionMutableStack)); return partitionMutableStack.toImmutable(); } public <S> RichIterable<S> selectInstancesOf(Class<S> clazz) { return ImmutableArrayStack.newStackFromTopToBottom(this.delegate.asReversed().selectInstancesOf(clazz).toList()); } public <V> ImmutableStack<V> collect(Function<? super T, ? extends V> function) { return ImmutableArrayStack.newStackFromTopToBottom(this.delegate.asReversed().collect(function)); } public ImmutableBooleanStack collectBoolean(BooleanFunction<? super T> booleanFunction) { return BooleanArrayStack.newStackFromTopToBottom(this.delegate.asReversed().collectBoolean(booleanFunction)).toImmutable(); } public <R extends MutableBooleanCollection> R collectBoolean(BooleanFunction<? super T> booleanFunction, R target) { return this.delegate.asReversed().collectBoolean(booleanFunction, target); } public ImmutableByteStack collectByte(ByteFunction<? super T> byteFunction) { return ByteArrayStack.newStackFromTopToBottom(this.delegate.asReversed().collectByte(byteFunction)).toImmutable(); } public <R extends MutableByteCollection> R collectByte(ByteFunction<? super T> byteFunction, R target) { return this.delegate.asReversed().collectByte(byteFunction, target); } public ImmutableCharStack collectChar(CharFunction<? super T> charFunction) { return CharArrayStack.newStackFromTopToBottom(this.delegate.asReversed().collectChar(charFunction)).toImmutable(); } public <R extends MutableCharCollection> R collectChar(CharFunction<? super T> charFunction, R target) { return this.delegate.asReversed().collectChar(charFunction, target); } public ImmutableDoubleStack collectDouble(DoubleFunction<? super T> doubleFunction) { return DoubleArrayStack.newStackFromTopToBottom(this.delegate.asReversed().collectDouble(doubleFunction)).toImmutable(); } public <R extends MutableDoubleCollection> R collectDouble(DoubleFunction<? super T> doubleFunction, R target) { return this.delegate.asReversed().collectDouble(doubleFunction, target); } public ImmutableFloatStack collectFloat(FloatFunction<? super T> floatFunction) { return FloatArrayStack.newStackFromTopToBottom(this.delegate.asReversed().collectFloat(floatFunction)).toImmutable(); } public <R extends MutableFloatCollection> R collectFloat(FloatFunction<? super T> floatFunction, R target) { return this.delegate.asReversed().collectFloat(floatFunction, target); } public ImmutableIntStack collectInt(IntFunction<? super T> intFunction) { return IntArrayStack.newStackFromTopToBottom(this.delegate.asReversed().collectInt(intFunction)).toImmutable(); } public <R extends MutableIntCollection> R collectInt(IntFunction<? super T> intFunction, R target) { return this.delegate.asReversed().collectInt(intFunction, target); } public ImmutableLongStack collectLong(LongFunction<? super T> longFunction) { return LongArrayStack.newStackFromTopToBottom(this.delegate.asReversed().collectLong(longFunction)).toImmutable(); } public <R extends MutableLongCollection> R collectLong(LongFunction<? super T> longFunction, R target) { return this.delegate.asReversed().collectLong(longFunction, target); } public ImmutableShortStack collectShort(ShortFunction<? super T> shortFunction) { return ShortArrayStack.newStackFromTopToBottom(this.delegate.asReversed().collectShort(shortFunction)).toImmutable(); } public <R extends MutableShortCollection> R collectShort(ShortFunction<? super T> shortFunction, R target) { return this.delegate.asReversed().collectShort(shortFunction, target); } public <V, R extends Collection<V>> R collect(Function<? super T, ? extends V> function, R target) { return this.delegate.asReversed().collect(function, target); } 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()); } 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); } 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()); } 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); } public <V> ImmutableStack<V> flatCollect(Function<? super T, ? extends Iterable<V>> function) { return ImmutableArrayStack.newStackFromTopToBottom(this.delegate.asReversed().flatCollect(function).toList()); } public <V, R extends Collection<V>> R flatCollect(Function<? super T, ? extends Iterable<V>> function, R target) { return this.delegate.asReversed().flatCollect(function, target); } public T detect(Predicate<? super T> predicate) { return this.delegate.asReversed().detect(predicate); } public <P> T detectWith(Predicate2<? super T, ? super P> predicate, P parameter) { return this.delegate.asReversed().detectWith(predicate, parameter); } public T detectIfNone(Predicate<? super T> predicate, Function0<? extends T> function) { return this.delegate.asReversed().detectIfNone(predicate, function); } public <P> T detectWithIfNone(Predicate2<? super T, ? super P> predicate, P parameter, Function0<? extends T> function) { return this.delegate.asReversed().detectWithIfNone(predicate, parameter, function); } public int count(Predicate<? super T> predicate) { return this.delegate.asReversed().count(predicate); } public <P> int countWith(Predicate2<? super T, ? super P> predicate, P parameter) { return this.delegate.asReversed().countWith(predicate, parameter); } public boolean anySatisfy(Predicate<? super T> predicate) { return this.delegate.asReversed().anySatisfy(predicate); } public <P> boolean anySatisfyWith(Predicate2<? super T, ? super P> predicate, P parameter) { return this.delegate.asReversed().anySatisfyWith(predicate, parameter); } public boolean allSatisfy(Predicate<? super T> predicate) { return this.delegate.asReversed().allSatisfy(predicate); } public <P> boolean allSatisfyWith(Predicate2<? super T, ? super P> predicate, P parameter) { return this.delegate.asReversed().allSatisfyWith(predicate, parameter); } public boolean noneSatisfy(Predicate<? super T> predicate) { return this.delegate.asReversed().noneSatisfy(predicate); } public <P> boolean noneSatisfyWith(Predicate2<? super T, ? super P> predicate, P parameter) { return this.delegate.asReversed().noneSatisfyWith(predicate, parameter); } public <IV> IV injectInto(IV injectedValue, Function2<? super IV, ? super T, ? extends IV> function) { return this.delegate.asReversed().injectInto(injectedValue, function); } public int injectInto(int injectedValue, IntObjectToIntFunction<? super T> intObjectToIntFunction) { return this.delegate.asReversed().injectInto(injectedValue, intObjectToIntFunction); } public long injectInto(long injectedValue, LongObjectToLongFunction<? super T> longObjectToLongFunction) { return this.delegate.asReversed().injectInto(injectedValue, longObjectToLongFunction); } public double injectInto(double injectedValue, DoubleObjectToDoubleFunction<? super T> doubleObjectToDoubleFunction) { return this.delegate.asReversed().injectInto(injectedValue, doubleObjectToDoubleFunction); } public float injectInto(float injectedValue, FloatObjectToFloatFunction<? super T> floatObjectToFloatFunction) { return this.delegate.asReversed().injectInto(injectedValue, floatObjectToFloatFunction); } public MutableList<T> toList() { return this.delegate.asReversed().toList(); } public MutableList<T> toSortedList() { return this.delegate.asReversed().toSortedList(); } public MutableList<T> toSortedList(Comparator<? super T> comparator) { return this.delegate.asReversed().toSortedList(comparator); } public <V extends Comparable<? super V>> MutableList<T> toSortedListBy(Function<? super T, ? extends V> function) { return this.delegate.asReversed().toSortedListBy(function); } public MutableSet<T> toSet() { return this.delegate.asReversed().toSet(); } public MutableSortedSet<T> toSortedSet() { return this.delegate.asReversed().toSortedSet(); } public MutableSortedSet<T> toSortedSet(Comparator<? super T> comparator) { return this.delegate.asReversed().toSortedSet(comparator); } public <V extends Comparable<? super V>> MutableSortedSet<T> toSortedSetBy(Function<? super T, ? extends V> function) { return this.delegate.asReversed().toSortedSetBy(function); } public MutableBag<T> toBag() { return this.delegate.asReversed().toBag(); } public MutableSortedBag<T> toSortedBag() { return this.delegate.asReversed().toSortedBag(); } public MutableSortedBag<T> toSortedBag(Comparator<? super T> comparator) { return this.delegate.asReversed().toSortedBag(comparator); } public <V extends Comparable<? super V>> MutableSortedBag<T> toSortedBagBy(Function<? super T, ? extends V> function) { return this.delegate.asReversed().toSortedBagBy(function); } 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); } 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); } 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); } public LazyIterable<T> asLazy() { return LazyIterate.adapt(this); } public Object[] toArray() { return this.delegate.asReversed().toArray(); } public <T> T[] toArray(T[] a) { return this.delegate.asReversed().toArray(a); } public T min(Comparator<? super T> comparator) { return this.delegate.asReversed().min(comparator); } public T max(Comparator<? super T> comparator) { return this.delegate.asReversed().max(comparator); } public T min() { return this.delegate.asReversed().min(); } public T max() { return this.delegate.asReversed().max(); } public <V extends Comparable<? super V>> T minBy(Function<? super T, ? extends V> function) { return this.delegate.asReversed().toList().minBy(function); } public <V extends Comparable<? super V>> T maxBy(Function<? super T, ? extends V> function) { return this.delegate.asReversed().maxBy(function); } public long sumOfInt(IntFunction<? super T> intFunction) { return this.delegate.asReversed().sumOfInt(intFunction); } public double sumOfFloat(FloatFunction<? super T> floatFunction) { return this.delegate.asReversed().sumOfFloat(floatFunction); } public long sumOfLong(LongFunction<? super T> longFunction) { return this.delegate.asReversed().sumOfLong(longFunction); } public double sumOfDouble(DoubleFunction<? super T> doubleFunction) { return this.delegate.asReversed().sumOfDouble(doubleFunction); } public <V> ObjectLongMap<V> sumByInt(Function<T, V> groupBy, IntFunction<? super T> function) { return this.delegate.asReversed().sumByInt(groupBy, function); } public <V> ObjectDoubleMap<V> sumByFloat(Function<T, V> groupBy, FloatFunction<? super T> function) { return this.delegate.asReversed().sumByFloat(groupBy, function); } public <V> ObjectLongMap<V> sumByLong(Function<T, V> groupBy, LongFunction<? super T> function) { return this.delegate.asReversed().sumByLong(groupBy, function); } public <V> ObjectDoubleMap<V> sumByDouble(Function<T, V> groupBy, DoubleFunction<? super T> function) { return this.delegate.asReversed().sumByDouble(groupBy, function); } public String makeString() { return this.delegate.asReversed().makeString(); } public String makeString(String separator) { return this.delegate.asReversed().makeString(separator); } public String makeString(String start, String separator, String end) { return this.delegate.asReversed().makeString(start, separator, end); } public void appendString(Appendable appendable) { this.delegate.asReversed().appendString(appendable); } public void appendString(Appendable appendable, String separator) { this.delegate.asReversed().appendString(appendable, separator); } public void appendString(Appendable appendable, String start, String separator, String end) { this.delegate.asReversed().appendString(appendable, start, separator, end); } public <V> ImmutableListMultimap<V, T> groupBy(Function<? super T, ? extends V> function) { return this.groupBy(function, FastListMultimap.<V, T>newMultimap()).toImmutable(); } public <V, R extends MutableMultimap<V, T>> R groupBy(Function<? super T, ? extends V> function, R target) { return this.delegate.asReversed().groupBy(function, target); } public <V> ImmutableListMultimap<V, T> groupByEach(Function<? super T, ? extends Iterable<V>> function) { return this.groupByEach(function, FastListMultimap.<V, T>newMultimap()).toImmutable(); } 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); } public <V> ImmutableMap<V, T> groupByUniqueKey(Function<? super T, ? extends V> function) { return this.groupByUniqueKey(function, UnifiedMap.<V, T>newMap()).toImmutable(); } public <V, R extends MutableMap<V, T>> R groupByUniqueKey(Function<? super T, ? extends V> function, R target) { return this.delegate.asReversed().groupByUniqueKey(function, target); } public <S> ImmutableStack<Pair<T, S>> zip(Iterable<S> that) { return ImmutableArrayStack.newStackFromTopToBottom(this.delegate.asReversed().zip(that).toList()); } public <S, R extends Collection<Pair<T, S>>> R zip(Iterable<S> that, R target) { return this.delegate.asReversed().zip(that, target); } public ImmutableStack<Pair<T, Integer>> zipWithIndex() { int maxIndex = this.delegate.size() - 1; Interval indicies = Interval.fromTo(0, maxIndex); return ImmutableArrayStack.newStackFromTopToBottom(this.delegate.asReversed().zip(indicies).toList()); } public <R extends Collection<Pair<T, Integer>>> R zipWithIndex(R target) { return this.delegate.asReversed().zipWithIndex(target); } public ImmutableStack<T> toImmutable() { return this; } public RichIterable<RichIterable<T>> chunk(int size) { return this.delegate.asReversed().chunk(size); } public <K, V> MapIterable<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<T, K, V>(map, groupBy, zeroValueFactory, mutatingAggregator)); return map; } 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) { MutableMap<K, V> map = UnifiedMap.newMap(); this.forEach(new NonMutatingAggregationProcedure<T, K, V>(map, groupBy, zeroValueFactory, nonMutatingAggregator)); return map; } public int size() { return this.delegate.size(); } public boolean isEmpty() { return this.delegate.isEmpty(); } public boolean notEmpty() { return this.delegate.notEmpty(); } public ImmutableStack<T> tap(Procedure<? super T> procedure) { this.forEach(procedure); return this; } public void forEach(Procedure<? super T> procedure) { this.each(procedure); } public void each(Procedure<? super T> procedure) { this.delegate.reverseForEach(procedure); } public void forEachWithIndex(ObjectIntProcedure<? super T> objectIntProcedure) { this.delegate.asReversed().forEachWithIndex(objectIntProcedure); } public <P> void forEachWith(Procedure2<? super T, ? super P> procedure, P parameter) { this.delegate.asReversed().forEachWith(procedure, parameter); } 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<T>(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; } public void writeExternal(final 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; } } public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException { int size = in.readInt(); FastList<T> deserializedDelegate = new FastList<T>(size); for (int i = 0; i < size; i++) { deserializedDelegate.add((T) in.readObject()); } this.stack = ImmutableArrayStack.newStackFromTopToBottom(deserializedDelegate); } protected Object readResolve() { return this.stack; } } }