/*
 * 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.mutable.primitive;

import java.io.Externalizable;
import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectOutput;

import org.eclipse.collections.api.LongIterable;
import org.eclipse.collections.api.block.function.primitive.LongToObjectFunction;
import org.eclipse.collections.api.block.predicate.primitive.LongPredicate;
import org.eclipse.collections.api.iterator.LongIterator;
import org.eclipse.collections.api.list.primitive.LongList;
import org.eclipse.collections.api.list.primitive.MutableLongList;
import org.eclipse.collections.api.stack.MutableStack;
import org.eclipse.collections.api.stack.primitive.ImmutableLongStack;
import org.eclipse.collections.api.stack.primitive.MutableLongStack;
import org.eclipse.collections.impl.factory.primitive.LongStacks;
import org.eclipse.collections.impl.list.mutable.primitive.LongArrayList;
import org.eclipse.collections.impl.stack.primitive.AbstractLongStack;
import org.eclipse.collections.impl.stack.mutable.ArrayStack;

LongArrayStack is similar to ArrayStack, and is memory-optimized for long primitives. This file was automatically generated from template file primitiveArrayStack.stg.
/** * LongArrayStack is similar to {@link ArrayStack}, and is memory-optimized for long primitives. * This file was automatically generated from template file primitiveArrayStack.stg. */
public class LongArrayStack extends AbstractLongStack implements MutableLongStack, Externalizable { private static final long serialVersionUID = 1L; private transient LongArrayList delegate; public LongArrayStack() { this.delegate = new LongArrayList(); } private LongArrayStack(int size) { this.delegate = new LongArrayList(size); } private LongArrayStack(long... items) { this.delegate = new LongArrayList(items); } public static LongArrayStack newStackFromTopToBottom(long... items) { LongArrayStack stack = new LongArrayStack(items.length); for (int i = items.length - 1; i >= 0; i--) { stack.push(items[i]); } return stack; } public static LongArrayStack newStackWith(long... items) { return new LongArrayStack(items); } public static LongArrayStack newStack(LongIterable items) { LongArrayStack stack = new LongArrayStack(items.size()); stack.delegate = LongArrayList.newList(items); return stack; } public static LongArrayStack newStackFromTopToBottom(LongIterable items) { LongArrayStack stack = new LongArrayStack(items.size()); stack.delegate = LongArrayList.newList(items).reverseThis(); return stack; } @Override protected LongArrayList getDelegate() { return this.delegate; } @Override public void push(long item) { this.delegate.add(item); } @Override public long pop() { this.checkEmptyStack(); return this.delegate.removeAtIndex(this.delegate.size() - 1); } @Override public LongList pop(int count) { this.checkPositiveValueForCount(count); this.checkSizeLessThanCount(count); if (count == 0) { return new LongArrayList(0); } MutableLongList subList = new LongArrayList(count); while (count > 0) { subList.add(this.pop()); count--; } return subList; } @Override public MutableLongStack select(LongPredicate predicate) { return newStackFromTopToBottom(this.delegate.asReversed().select(predicate)); } @Override public MutableLongStack reject(LongPredicate predicate) { return newStackFromTopToBottom(this.delegate.asReversed().reject(predicate)); } @Override public <V> MutableStack<V> collect(LongToObjectFunction<? extends V> function) { return ArrayStack.newStackFromTopToBottom(this.delegate.asReversed().collect(function)); } @Override public void clear() { this.delegate.clear(); } @Override public MutableLongList toSortedList() { return LongArrayList.newList(this).sortThis(); } @Override public MutableLongStack asUnmodifiable() { return new UnmodifiableLongStack(this); } @Override public MutableLongStack asSynchronized() { return new SynchronizedLongStack(this); } @Override public ImmutableLongStack toImmutable() { return LongStacks.immutable.withAll(this.delegate); }
Creates a new empty LongArrayStack.
Since:9.2.
/** * Creates a new empty LongArrayStack. * * @since 9.2. */
public LongArrayStack newEmpty() { return new LongArrayStack(); } @Override public void writeExternal(ObjectOutput out) throws IOException { out.writeInt(this.size()); LongIterator iterator = this.delegate.asReversed().longIterator(); while (iterator.hasNext()) { long each = iterator.next(); out.writeLong(each); } } @Override public void readExternal(ObjectInput in) throws IOException { int size = in.readInt(); long[] array = new long[size]; for (int i = size - 1; i >= 0; i--) { array[i] = in.readLong(); } this.delegate = LongArrayList.newListWith(array); } }