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/*
 * Copyright (c) 2015 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;

import java.io.Externalizable;

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.set.mutable.UnifiedSet;
import org.eclipse.collections.impl.utility.Iterate;

public final class UnifiedSetMultimap
        extends AbstractMutableSetMultimap implements Externalizable
{
    private static final long serialVersionUID = 1L;

    public UnifiedSetMultimap()
    {
    }

    public UnifiedSetMultimap(Multimap multimap)
    {
        super(Math.max(multimap.sizeDistinct() * 2, 16));
        this.putAll(multimap);
    }

    public UnifiedSetMultimap(Pair... pairs)
    {
        super(pairs);
    }

    public UnifiedSetMultimap(Iterable> inputIterable)
    {
        super(inputIterable);
    }

    public static  UnifiedSetMultimap newMultimap(Multimap multimap)
    {
        return new UnifiedSetMultimap(multimap);
    }

    public static  UnifiedSetMultimap newMultimap()
    {
        return new UnifiedSetMultimap();
    }

    public static  UnifiedSetMultimap newMultimap(Pair... pairs)
    {
        return new UnifiedSetMultimap(pairs);
    }

    public static  UnifiedSetMultimap newMultimap(Iterable> inputIterable)
    {
        return new UnifiedSetMultimap(inputIterable);
    }

    @Override
    protected MutableMap> createMap()
    {
        return UnifiedMap.newMap();
    }

    @Override
    protected MutableMap> createMapWithKeyCount(int keyCount)
    {
        return UnifiedMap.newMap(keyCount);
    }

    @Override
    protected MutableSet createCollection()
    {
        return new UnifiedSet();
    }

    public UnifiedSetMultimap newEmpty()
    {
        return new UnifiedSetMultimap();
    }

    public MutableSetMultimap flip()
    {
        return Iterate.flip(this);
    }

    public UnifiedSetMultimap selectKeysValues(Predicate2 predicate)
    {
        return this.selectKeysValues(predicate, this.newEmpty());
    }

    public UnifiedSetMultimap rejectKeysValues(Predicate2 predicate)
    {
        return this.rejectKeysValues(predicate, this.newEmpty());
    }

    public UnifiedSetMultimap selectKeysMultiValues(Predicate2> predicate)
    {
        return this.selectKeysMultiValues(predicate, this.newEmpty());
    }

    public UnifiedSetMultimap rejectKeysMultiValues(Predicate2> predicate)
    {
        return this.rejectKeysMultiValues(predicate, this.newEmpty());
    }
}