/*
 * Copyright (c) 2021 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.multimap.list;

import java.io.Externalizable;
import java.io.Serializable;

import org.eclipse.collections.api.RichIterable;
import org.eclipse.collections.api.block.function.Function;
import org.eclipse.collections.api.block.function.Function2;
import org.eclipse.collections.api.block.predicate.Predicate2;
import org.eclipse.collections.api.block.procedure.Procedure2;
import org.eclipse.collections.api.factory.Lists;
import org.eclipse.collections.api.factory.Maps;
import org.eclipse.collections.api.list.ImmutableList;
import org.eclipse.collections.api.list.MutableList;
import org.eclipse.collections.api.map.ImmutableMap;
import org.eclipse.collections.api.map.MutableMap;
import org.eclipse.collections.api.multimap.bag.ImmutableBagMultimap;
import org.eclipse.collections.api.multimap.bag.MutableBagMultimap;
import org.eclipse.collections.api.multimap.list.ImmutableListMultimap;
import org.eclipse.collections.api.multimap.list.MutableListMultimap;
import org.eclipse.collections.api.tuple.Pair;
import org.eclipse.collections.impl.multimap.AbstractImmutableMultimap;
import org.eclipse.collections.impl.multimap.AbstractMutableMultimap;
import org.eclipse.collections.impl.multimap.ImmutableMultimapSerializationProxy;
import org.eclipse.collections.impl.multimap.bag.HashBagMultimap;
import org.eclipse.collections.impl.utility.Iterate;

The default ImmutableListMultimap implementation.
Since:1.0
/** * The default ImmutableListMultimap implementation. * * @since 1.0 */
public final class ImmutableListMultimapImpl<K, V> extends AbstractImmutableMultimap<K, V, ImmutableList<V>> implements ImmutableListMultimap<K, V>, Serializable { private static final long serialVersionUID = 1L; public ImmutableListMultimapImpl(MutableMap<K, ImmutableList<V>> map) { super(map); } public ImmutableListMultimapImpl(ImmutableMap<K, ImmutableList<V>> map) { super(map); } @Override protected ImmutableList<V> createCollection() { return Lists.immutable.empty(); } @Override public void forEachKeyImmutableList(Procedure2<? super K, ? super ImmutableList<V>> procedure) { this.getMap().forEachKeyValue(procedure); } @Override public ImmutableListMultimap<K, V> newEmpty() { return new ImmutableListMultimapImpl<>(Maps.immutable.of()); } @Override public MutableListMultimap<K, V> toMutable() { return new FastListMultimap<>(this); } @Override public ImmutableListMultimap<K, V> toImmutable() { return this; } private Object writeReplace() { return new ImmutableListMultimapSerializationProxy<>(this.map); } public static class ImmutableListMultimapSerializationProxy<K, V> extends ImmutableMultimapSerializationProxy<K, V, ImmutableList<V>> implements Externalizable { private static final long serialVersionUID = 1L; @SuppressWarnings("UnusedDeclaration") public ImmutableListMultimapSerializationProxy() { // For Externalizable use only } public ImmutableListMultimapSerializationProxy(ImmutableMap<K, ImmutableList<V>> map) { super(map); } @Override protected AbstractMutableMultimap<K, V, MutableList<V>> createEmptyMutableMultimap() { return new FastListMultimap<>(); } } @Override public ImmutableListMultimap<K, V> newWith(K key, V value) { return (ImmutableListMultimap<K, V>) super.newWith(key, value); } @Override public ImmutableListMultimap<K, V> newWithout(Object key, Object value) { return (ImmutableListMultimap<K, V>) super.newWithout(key, value); } @Override public ImmutableListMultimap<K, V> newWithAll(K key, Iterable<? extends V> values) { return (ImmutableListMultimap<K, V>) super.newWithAll(key, values); } @Override public ImmutableListMultimap<K, V> newWithoutAll(Object key) { return (ImmutableListMultimap<K, V>) super.newWithoutAll(key); } @Override public ImmutableBagMultimap<V, K> flip() { return Iterate.flip(this).toImmutable(); } @Override public ImmutableListMultimap<K, V> selectKeysValues(Predicate2<? super K, ? super V> predicate) { return this.selectKeysValues(predicate, FastListMultimap.newMultimap()).toImmutable(); } @Override public ImmutableListMultimap<K, V> rejectKeysValues(Predicate2<? super K, ? super V> predicate) { return this.rejectKeysValues(predicate, FastListMultimap.newMultimap()).toImmutable(); } @Override public ImmutableListMultimap<K, V> selectKeysMultiValues(Predicate2<? super K, ? super RichIterable<V>> predicate) { return this.selectKeysMultiValues(predicate, FastListMultimap.newMultimap()).toImmutable(); } @Override public ImmutableListMultimap<K, V> rejectKeysMultiValues(Predicate2<? super K, ? super RichIterable<V>> predicate) { return this.rejectKeysMultiValues(predicate, FastListMultimap.newMultimap()).toImmutable(); } @Override public <K2, V2> ImmutableBagMultimap<K2, V2> collectKeysValues(Function2<? super K, ? super V, Pair<K2, V2>> function) { return this.collectKeysValues(function, HashBagMultimap.newMultimap()).toImmutable(); } @Override public <K2, V2> ImmutableBagMultimap<K2, V2> collectKeyMultiValues(Function<? super K, ? extends K2> keyFunction, Function<? super V, ? extends V2> valueFunction) { MutableBagMultimap<K2, V2> mutableMultimap = this.collectKeyMultiValues(keyFunction, valueFunction, HashBagMultimap.newMultimap()); return mutableMultimap.toImmutable(); } @Override public <V2> ImmutableListMultimap<K, V2> collectValues(Function<? super V, ? extends V2> function) { return this.collectValues(function, FastListMultimap.<K, V2>newMultimap()).toImmutable(); } }