/*
 * Copyright (c) 2018 Goldman Sachs.
 * 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.set.immutable.primitive;

import java.io.IOException;
import java.io.Serializable;
import java.util.NoSuchElementException;

import org.eclipse.collections.api.LongIterable;
import org.eclipse.collections.api.LazyLongIterable;
import org.eclipse.collections.api.RichIterable;
import org.eclipse.collections.api.bag.primitive.MutableLongBag;
import org.eclipse.collections.api.set.ImmutableSet;
import org.eclipse.collections.api.set.primitive.ImmutableLongSet;
import org.eclipse.collections.api.set.primitive.LongSet;
import org.eclipse.collections.api.set.primitive.MutableLongSet;
import org.eclipse.collections.api.block.function.primitive.LongToObjectFunction;
import org.eclipse.collections.api.block.function.primitive.ObjectLongToObjectFunction;
import org.eclipse.collections.api.block.predicate.primitive.LongPredicate;
import org.eclipse.collections.api.block.procedure.primitive.LongProcedure;
import org.eclipse.collections.api.iterator.LongIterator;
import org.eclipse.collections.api.list.primitive.MutableLongList;
import org.eclipse.collections.impl.bag.mutable.primitive.LongHashBag;
import org.eclipse.collections.impl.set.mutable.primitive.LongHashSet;
import org.eclipse.collections.impl.factory.Lists;
import org.eclipse.collections.impl.factory.Sets;
import org.eclipse.collections.impl.factory.primitive.LongSets;
import org.eclipse.collections.impl.iterator.ImmutableEmptyLongIterator;
import org.eclipse.collections.impl.lazy.primitive.LazyLongIterableAdapter;
import org.eclipse.collections.impl.list.mutable.primitive.LongArrayList;

ImmutableLongEmptySet is an optimization for ImmutableLongSet of size 0. This file was automatically generated from template file immutablePrimitiveEmptySet.stg.
Since:4.0.
/** * ImmutableLongEmptySet is an optimization for {@link ImmutableLongSet} of size 0. * This file was automatically generated from template file immutablePrimitiveEmptySet.stg. * * @since 4.0. */
final class ImmutableLongEmptySet implements ImmutableLongSet, Serializable { static final ImmutableLongSet INSTANCE = new ImmutableLongEmptySet(); private static final long serialVersionUID = 1L; private Object readResolve() { return INSTANCE; } @Override public ImmutableLongSet newWith(long element) { return new ImmutableLongSingletonSet(element); } @Override public ImmutableLongSet newWithout(long element) { return this; } @Override public ImmutableLongSet newWithAll(LongIterable elements) { return LongSets.immutable.withAll(elements); } @Override public ImmutableLongSet newWithoutAll(LongIterable elements) { return this; } @Override public int size() { return 0; } @Override public boolean isEmpty() { return true; } @Override public boolean notEmpty() { return false; } @Override public boolean contains(long value) { return false; } @Override public boolean containsAll(LongIterable source) { return source.isEmpty(); } @Override public boolean containsAll(long... elements) { return elements.length == 0; } @Override public void forEach(LongProcedure procedure) { }
Since:7.0.
/** * @since 7.0. */
@Override public void each(LongProcedure procedure) { } @Override public ImmutableLongSet select(LongPredicate predicate) { return this; } @Override public ImmutableLongSet reject(LongPredicate predicate) { return this; } @Override public <V> ImmutableSet<V> collect(LongToObjectFunction<? extends V> function) { return Sets.immutable.of(); } @Override public MutableLongList toList() { return new LongArrayList(); } @Override public long detectIfNone(LongPredicate predicate, long ifNone) { return ifNone; } @Override public int count(LongPredicate predicate) { return 0; } @Override public boolean anySatisfy(LongPredicate predicate) { return false; } @Override public long sum() { return 0L; } @Override public long min() { throw new NoSuchElementException(); } @Override public long max() { throw new NoSuchElementException(); } @Override public long maxIfEmpty(long defaultValue) { return defaultValue; } @Override public long minIfEmpty(long defaultValue) { return defaultValue; } @Override public double average() { throw new ArithmeticException(); } @Override public double median() { throw new ArithmeticException(); } @Override public long[] toSortedArray() { return new long[0]; } @Override public MutableLongList toSortedList() { return new LongArrayList(); } @Override public boolean noneSatisfy(LongPredicate predicate) { return true; } @Override public boolean allSatisfy(LongPredicate predicate) { return true; } @Override public <T> T injectInto(T injectedValue, ObjectLongToObjectFunction<? super T, ? extends T> function) { return injectedValue; } @Override public RichIterable<LongIterable> chunk(int size) { return Lists.immutable.empty(); } @Override public boolean equals(Object obj) { if (obj == this) { return true; } if (!(obj instanceof LongSet)) { return false; } LongSet set = (LongSet) obj; return set.isEmpty(); } @Override public int hashCode() { return 0; } @Override public MutableLongSet toSet() { return new LongHashSet(); } @Override public MutableLongBag toBag() { return new LongHashBag(); } @Override public LongSet freeze() { return this; } @Override public ImmutableLongSet toImmutable() { return this; } @Override public LazyLongIterable asLazy() { return new LazyLongIterableAdapter(this); } @Override public long[] toArray() { return new long[0]; } @Override public long[] toArray(long[] target) { return target; } @Override public String toString() { return "[]"; } @Override public String makeString() { return ""; } @Override public String makeString(String separator) { return ""; } @Override public String makeString(String start, String separator, String end) { return start + end; } @Override public void appendString(Appendable appendable) { } @Override public void appendString(Appendable appendable, String separator) { } @Override public void appendString(Appendable appendable, String start, String separator, String end) { try { appendable.append(start); appendable.append(end); } catch (IOException e) { throw new RuntimeException(e); } } @Override public LongIterator longIterator() { return ImmutableEmptyLongIterator.INSTANCE; } }