/*
 * 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.bag.immutable.primitive;

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

import org.eclipse.collections.api.DoubleIterable;
import org.eclipse.collections.api.LazyDoubleIterable;
import org.eclipse.collections.api.RichIterable;
import org.eclipse.collections.api.bag.ImmutableBag;
import org.eclipse.collections.api.bag.primitive.ImmutableDoubleBag;
import org.eclipse.collections.api.bag.primitive.DoubleBag;
import org.eclipse.collections.api.bag.primitive.MutableDoubleBag;
import org.eclipse.collections.api.block.function.primitive.DoubleToObjectFunction;
import org.eclipse.collections.api.block.function.primitive.ObjectDoubleToObjectFunction;
import org.eclipse.collections.api.block.predicate.primitive.IntPredicate;
import org.eclipse.collections.api.block.predicate.primitive.DoublePredicate;
import org.eclipse.collections.api.block.procedure.primitive.DoubleIntProcedure;
import org.eclipse.collections.api.block.procedure.primitive.DoubleProcedure;
import org.eclipse.collections.api.iterator.DoubleIterator;
import org.eclipse.collections.api.list.primitive.MutableDoubleList;
import org.eclipse.collections.api.set.primitive.MutableDoubleSet;
import org.eclipse.collections.impl.bag.mutable.primitive.DoubleHashBag;
import org.eclipse.collections.impl.factory.Bags;
import org.eclipse.collections.impl.factory.primitive.DoubleBags;
import org.eclipse.collections.impl.iterator.ImmutableEmptyDoubleIterator;
import org.eclipse.collections.impl.lazy.primitive.LazyDoubleIterableAdapter;
import org.eclipse.collections.impl.list.mutable.primitive.DoubleArrayList;
import org.eclipse.collections.impl.set.mutable.primitive.DoubleHashSet;
import org.eclipse.collections.api.list.ImmutableList;
import org.eclipse.collections.api.tuple.primitive.DoubleIntPair;
import org.eclipse.collections.impl.factory.Lists;
import org.eclipse.collections.api.set.primitive.ImmutableDoubleSet;
import org.eclipse.collections.impl.factory.primitive.DoubleSets;

ImmutableDoubleEmptyBag is an optimization for ImmutableDoubleBag of size 0. This file was automatically generated from template file immutablePrimitiveEmptyBag.stg.
Since:4.0.
/** * ImmutableDoubleEmptyBag is an optimization for {@link ImmutableDoubleBag} of size 0. * This file was automatically generated from template file immutablePrimitiveEmptyBag.stg. * * @since 4.0. */
final class ImmutableDoubleEmptyBag implements ImmutableDoubleBag, Serializable { static final ImmutableDoubleBag INSTANCE = new ImmutableDoubleEmptyBag(); private static final long serialVersionUID = 1L; private Object readResolve() { return INSTANCE; } @Override public ImmutableDoubleBag newWith(double element) { return new ImmutableDoubleSingletonBag(element); } @Override public ImmutableDoubleBag newWithout(double element) { return this; } @Override public ImmutableDoubleBag newWithAll(DoubleIterable elements) { return DoubleBags.immutable.withAll(elements); } @Override public ImmutableDoubleBag newWithoutAll(DoubleIterable 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(double value) { return false; } @Override public boolean containsAll(DoubleIterable source) { return source.isEmpty(); } @Override public boolean containsAll(double... elements) { return elements.length == 0; } @Override public void forEach(DoubleProcedure procedure) { }
Since:7.0.
/** * @since 7.0. */
@Override public void each(DoubleProcedure procedure) { } @Override public ImmutableDoubleBag select(DoublePredicate predicate) { return this; } @Override public ImmutableDoubleSet selectUnique() { return DoubleSets.immutable.empty(); } @Override public ImmutableDoubleBag reject(DoublePredicate predicate) { return this; } @Override public <V> ImmutableBag<V> collect(DoubleToObjectFunction<? extends V> function) { return Bags.immutable.of(); } @Override public MutableDoubleList toList() { return new DoubleArrayList(); } @Override public int sizeDistinct() { return 0; } @Override public int occurrencesOf(double item) { return 0; } @Override public void forEachWithOccurrences(DoubleIntProcedure doubleIntProcedure) { } @Override public ImmutableDoubleBag selectByOccurrences(IntPredicate predicate) { return this; } @Override public ImmutableList<DoubleIntPair> topOccurrences(int count) { if (count < 0) { throw new IllegalArgumentException("Cannot use a value of count < 0"); } return Lists.immutable.empty(); } @Override public ImmutableList<DoubleIntPair> bottomOccurrences(int count) { if (count < 0) { throw new IllegalArgumentException("Cannot use a value of count < 0"); } return Lists.immutable.empty(); } @Override public double detectIfNone(DoublePredicate predicate, double ifNone) { return ifNone; } @Override public int count(DoublePredicate predicate) { return 0; } @Override public boolean anySatisfy(DoublePredicate predicate) { return false; } @Override public double sum() { return 0.0; } @Override public double min() { throw new NoSuchElementException(); } @Override public double max() { throw new NoSuchElementException(); } @Override public double maxIfEmpty(double defaultValue) { return defaultValue; } @Override public double minIfEmpty(double defaultValue) { return defaultValue; } @Override public double average() { throw new ArithmeticException(); } @Override public double median() { throw new ArithmeticException(); } @Override public double[] toSortedArray() { return new double[0]; } @Override public MutableDoubleList toSortedList() { return new DoubleArrayList(); } @Override public boolean noneSatisfy(DoublePredicate predicate) { return true; } @Override public boolean allSatisfy(DoublePredicate predicate) { return true; } @Override public <T> T injectInto(T injectedValue, ObjectDoubleToObjectFunction<? super T, ? extends T> function) { return injectedValue; } @Override public RichIterable<DoubleIterable> chunk(int size) { return Lists.immutable.empty(); } @Override public boolean equals(Object obj) { if (obj == this) { return true; } if (!(obj instanceof DoubleBag)) { return false; } DoubleBag bag = (DoubleBag) obj; return bag.isEmpty(); } @Override public int hashCode() { return 0; } @Override public MutableDoubleSet toSet() { return new DoubleHashSet(); } @Override public MutableDoubleBag toBag() { return new DoubleHashBag(); } @Override public ImmutableDoubleBag toImmutable() { return this; } @Override public LazyDoubleIterable asLazy() { return new LazyDoubleIterableAdapter(this); } @Override public double[] toArray() { return new double[0]; } @Override public double[] toArray(double[] 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 DoubleIterator doubleIterator() { return ImmutableEmptyDoubleIterator.INSTANCE; } }