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package org.javimmutable.collections.listmap;

import org.javimmutable.collections.JImmutableList;
import org.javimmutable.collections.JImmutableListMap;
import org.javimmutable.collections.JImmutableMap;
import org.javimmutable.collections.hash.JImmutableHashMap;

import javax.annotation.concurrent.Immutable;

/**
 * JImmutableListMap using a hash map for fast lookup.
 *
 * @param 
 * @param 
 */
@Immutable
public class JImmutableHashListMap
        extends AbstractJImmutableListMap
{
    @SuppressWarnings("unchecked")
    private static final JImmutableHashListMap EMPTY = new JImmutableHashListMap(JImmutableHashMap.of());

    private JImmutableHashListMap(JImmutableMap> contents)
    {
        super(contents);
    }

    @SuppressWarnings("unchecked")
    public static  JImmutableHashListMap of()
    {
        return (JImmutableHashListMap)EMPTY;
    }

    @Override
    protected JImmutableListMap create(JImmutableMap> map)
    {
        return new JImmutableHashListMap(map);
    }
}