/*
 * Copyright (c) 2016 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.multimap.set.strategy;

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

import org.eclipse.collections.api.block.HashingStrategy;
import org.eclipse.collections.api.block.predicate.Predicate2;
import org.eclipse.collections.api.map.MutableMap;
import org.eclipse.collections.api.multimap.Multimap;
import org.eclipse.collections.api.multimap.set.MutableSetMultimap;
import org.eclipse.collections.api.set.MutableSet;
import org.eclipse.collections.api.tuple.Pair;
import org.eclipse.collections.impl.map.mutable.UnifiedMap;
import org.eclipse.collections.impl.multimap.set.AbstractMutableSetMultimap;
import org.eclipse.collections.impl.set.strategy.mutable.UnifiedSetWithHashingStrategy;
import org.eclipse.collections.impl.utility.Iterate;

public final class UnifiedSetWithHashingStrategyMultimap<K, V>
        extends AbstractMutableSetMultimap<K, V> implements Externalizable
{
    private static final long serialVersionUID = 1L;
    private HashingStrategy<? super V> hashingStrategy;

    
Deprecated:Empty default constructor used for serialization. Instantiating an UnifiedSetWithHashingStrategyMultimap with this constructor will have a null hashingStrategy and throw NullPointerException when used.
/** * @deprecated Empty default constructor used for serialization. Instantiating an UnifiedSetWithHashingStrategyMultimap with * this constructor will have a null hashingStrategy and throw NullPointerException when used. */
@SuppressWarnings("UnusedDeclaration") @Deprecated public UnifiedSetWithHashingStrategyMultimap() { // For Externalizable use only } public UnifiedSetWithHashingStrategyMultimap(HashingStrategy<? super V> hashingStrategy) { this.hashingStrategy = hashingStrategy; } public UnifiedSetWithHashingStrategyMultimap(UnifiedSetWithHashingStrategyMultimap<K, V> multimap) { this(multimap.hashingStrategy, multimap); } public UnifiedSetWithHashingStrategyMultimap(HashingStrategy<? super V> hashingStrategy, Multimap<? extends K, ? extends V> multimap) { super(Math.max(multimap.sizeDistinct() * 2, 16)); this.hashingStrategy = hashingStrategy; this.putAll(multimap); } public UnifiedSetWithHashingStrategyMultimap(HashingStrategy<? super V> hashingStrategy, Pair<K, V>... pairs) { this.hashingStrategy = hashingStrategy; this.putAllPairs(pairs); } public UnifiedSetWithHashingStrategyMultimap(HashingStrategy<? super V> hashingStrategy, Iterable<Pair<K, V>> inputIterable) { this.hashingStrategy = hashingStrategy; for (Pair<K, V> single : inputIterable) { this.add(single); } } public static <K, V> UnifiedSetWithHashingStrategyMultimap<K, V> newMultimap(UnifiedSetWithHashingStrategyMultimap<K, V> multimap) { return new UnifiedSetWithHashingStrategyMultimap<>(multimap); } public static <K, V> UnifiedSetWithHashingStrategyMultimap<K, V> newMultimap(HashingStrategy<? super V> hashingStrategy, Multimap<? extends K, ? extends V> multimap) { return new UnifiedSetWithHashingStrategyMultimap<>(hashingStrategy, multimap); } public static <K, V> UnifiedSetWithHashingStrategyMultimap<K, V> newMultimap(HashingStrategy<? super V> hashingStrategy) { return new UnifiedSetWithHashingStrategyMultimap<>(hashingStrategy); } public static <K, V> UnifiedSetWithHashingStrategyMultimap<K, V> newMultimap(HashingStrategy<? super V> hashingStrategy, Pair<K, V>... pairs) { return new UnifiedSetWithHashingStrategyMultimap<>(hashingStrategy, pairs); } public static <K, V> UnifiedSetWithHashingStrategyMultimap<K, V> newMultimap(HashingStrategy<? super V> hashingStrategy, Iterable<Pair<K, V>> inputIterable) { return new UnifiedSetWithHashingStrategyMultimap<>(hashingStrategy, inputIterable); } @Override protected MutableMap<K, MutableSet<V>> createMap() { return UnifiedMap.newMap(); } @Override protected MutableMap<K, MutableSet<V>> createMapWithKeyCount(int keyCount) { return UnifiedMap.newMap(keyCount); } @Override protected UnifiedSetWithHashingStrategy<V> createCollection() { return UnifiedSetWithHashingStrategy.newSet(this.hashingStrategy); } @Override public UnifiedSetWithHashingStrategyMultimap<K, V> newEmpty() { return new UnifiedSetWithHashingStrategyMultimap<>(this.hashingStrategy); } public HashingStrategy<? super V> getValueHashingStrategy() { return this.hashingStrategy; } @Override public void writeExternal(ObjectOutput out) throws IOException { out.writeObject(this.hashingStrategy); super.writeExternal(out); } @Override public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException { this.hashingStrategy = (HashingStrategy<? super V>) in.readObject(); super.readExternal(in); } @Override public MutableSetMultimap<V, K> flip() { return Iterate.flip(this); } @Override public UnifiedSetWithHashingStrategyMultimap<K, V> selectKeysValues(Predicate2<? super K, ? super V> predicate) { return this.selectKeysValues(predicate, this.newEmpty()); } @Override public UnifiedSetWithHashingStrategyMultimap<K, V> rejectKeysValues(Predicate2<? super K, ? super V> predicate) { return this.rejectKeysValues(predicate, this.newEmpty()); } @Override public UnifiedSetWithHashingStrategyMultimap<K, V> selectKeysMultiValues(Predicate2<? super K, ? super Iterable<V>> predicate) { return this.selectKeysMultiValues(predicate, this.newEmpty()); } @Override public UnifiedSetWithHashingStrategyMultimap<K, V> rejectKeysMultiValues(Predicate2<? super K, ? super Iterable<V>> predicate) { return this.rejectKeysMultiValues(predicate, this.newEmpty()); } }