/*
 * 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 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.LongIntProcedure;
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.factory.Lists;
import org.eclipse.collections.impl.factory.Sets;
import org.eclipse.collections.impl.iterator.UnmodifiableLongIterator;
import org.eclipse.collections.impl.set.mutable.primitive.LongHashSet;
import org.eclipse.collections.impl.factory.primitive.LongSets;
import org.eclipse.collections.impl.lazy.primitive.LazyLongIterableAdapter;
import org.eclipse.collections.impl.list.mutable.primitive.LongArrayList;

ImmutableLongSingletonSet is an optimization for ImmutableLongSet of size 1. This file was automatically generated from template file immutablePrimitiveSingletonSet.stg.
Since:4.0.
/** * ImmutableLongSingletonSet is an optimization for {@link ImmutableLongSet} of size 1. * This file was automatically generated from template file immutablePrimitiveSingletonSet.stg. * * @since 4.0. */
final class ImmutableLongSingletonSet implements ImmutableLongSet, Serializable { private static final long serialVersionUID = 1L; private final long element; ImmutableLongSingletonSet(long element) { this.element = element; } @Override public ImmutableLongSet newWith(long element) { return LongSets.immutable.with(this.element, element); } @Override public ImmutableLongSet newWithout(long element) { return this.element == element ? LongSets.immutable.with() : this; } @Override public ImmutableLongSet newWithAll(LongIterable elements) { return LongHashSet.newSet(elements).with(this.element).toImmutable(); } @Override public ImmutableLongSet newWithoutAll(LongIterable elements) { return elements.contains(this.element) ? LongSets.immutable.with() : this; } @Override public int size() { return 1; } @Override public boolean isEmpty() { return false; } @Override public boolean notEmpty() { return true; } @Override public boolean contains(long value) { return this.element == value; } @Override public boolean containsAll(LongIterable source) { for (LongIterator iterator = source.longIterator(); iterator.hasNext(); ) { if (this.element != iterator.next()) { return false; } } return true; } @Override public boolean containsAll(long... source) { for (long value : source) { if (this.element != value) { return false; } } return true; } @Override public void forEach(LongProcedure procedure) { this.each(procedure); }
Since:7.0.
/** * @since 7.0. */
@Override public void each(LongProcedure procedure) { procedure.value(this.element); } @Override public ImmutableLongSet select(LongPredicate predicate) { return predicate.accept(this.element) ? LongHashSet.newSetWith(this.element).toImmutable() : new LongHashSet().toImmutable(); } @Override public ImmutableLongSet reject(LongPredicate predicate) { return predicate.accept(this.element) ? new LongHashSet().toImmutable() : LongHashSet.newSetWith(this.element).toImmutable(); } @Override public <V> ImmutableSet<V> collect(LongToObjectFunction<? extends V> function) { return Sets.immutable.with(function.valueOf(this.element)); } @Override public MutableLongList toList() { return LongArrayList.newListWith(this.element); } public int sizeDistinct() { return 1; } public int occurrencesOf(long item) { return this.element == item ? 1 : 0; } public void forEachWithOccurrences(LongIntProcedure longIntProcedure) { longIntProcedure.value(this.element, 1); } @Override public long detectIfNone(LongPredicate predicate, long ifNone) { return predicate.accept(this.element) ? this.element : ifNone; } @Override public int count(LongPredicate predicate) { return predicate.accept(this.element) ? 1 : 0; } @Override public boolean anySatisfy(LongPredicate predicate) { return predicate.accept(this.element); } @Override public long sum() { return this.element; } @Override public long min() { return this.element; } @Override public long max() { return this.element; } @Override public long maxIfEmpty(long defaultValue) { return this.element; } @Override public long minIfEmpty(long defaultValue) { return this.element; } @Override public double average() { return this.element; } @Override public double median() { return this.element; } @Override public long[] toSortedArray() { return new long[]{this.element}; } @Override public MutableLongList toSortedList() { return LongArrayList.newListWith(this.element); } @Override public boolean noneSatisfy(LongPredicate predicate) { return !predicate.accept(this.element); } @Override public boolean allSatisfy(LongPredicate predicate) { return predicate.accept(this.element); } @Override public <T> T injectInto(T injectedValue, ObjectLongToObjectFunction<? super T, ? extends T> function) { return function.valueOf(injectedValue, this.element); } @Override public RichIterable<LongIterable> chunk(int size) { if (size <= 0) { throw new IllegalArgumentException("Size for groups must be positive but was: " + size); } return Lists.immutable.with(this); } @Override public boolean equals(Object obj) { if (obj == this) { return true; } if (!(obj instanceof LongSet)) { return false; } LongSet set = (LongSet) obj; if (set.size() != 1) { return false; } return set.contains(this.element); } @Override public int hashCode() { return (int) (this.element ^ this.element >>> 32); } @Override public MutableLongSet toSet() { return LongHashSet.newSetWith(this.element); } @Override public MutableLongBag toBag() { return LongHashBag.newBagWith(this.element); } @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[]{this.element}; } @Override public long[] toArray(long[] target) { if (target.length < 1) { target = new long[]{this.element}; } else { target[0] = this.element; } return target; } @Override public String toString() { return '[' + this.makeString() + ']'; } @Override public String makeString() { return this.makeString(", "); } @Override public String makeString(String separator) { return this.makeString("", separator, ""); } @Override public String makeString(String start, String separator, String end) { Appendable stringBuilder = new StringBuilder(); this.appendString(stringBuilder, start, separator, end); return stringBuilder.toString(); } @Override public void appendString(Appendable appendable) { this.appendString(appendable, ", "); } @Override public void appendString(Appendable appendable, String separator) { this.appendString(appendable, "", separator, ""); } @Override public void appendString(Appendable appendable, String start, String separator, String end) { try { appendable.append(start); appendable.append(String.valueOf(this.element)); appendable.append(end); } catch (IOException e) { throw new RuntimeException(e); } } @Override public LongIterator longIterator() { return new UnmodifiableLongIterator(LongHashSet.newSetWith(this.element).longIterator()); } }