SquirrelJME/SquirrelJME

// -*- Mode: Java; indent-tabs-mode: t; tab-width: 4 -*-
// ---------------------------------------------------------------------------
// Multi-Phasic Applications: SquirrelJME
//     Copyright (C) Stephanie Gawroriski <xer@multiphasicapps.net>
// ---------------------------------------------------------------------------
// SquirrelJME is under the Mozilla Public License Version 2.0.
// See license.mkd for licensing and copyright information.
// ---------------------------------------------------------------------------

package java.util;

import cc.squirreljme.runtime.cldc.debug.Debugging;

/**
 * Entry set for weak hash maps.
 *
 * @since 2023/02/09
 */
final class __WeakHashMapEntrySet__<K, V>
    extends AbstractSet<Map.Entry<K, V>>
{
    /** Base entries. */
    private final Set<Map.Entry<__WeakHashMapKey__<K>, V>> _entries;
    
    /**
     * Initializes the entry set for the hash map.
     * 
     * @param __entries The entries used.
     * @throws NullPointerException On null arguments.
     * @since 2023/02/09
     */
    __WeakHashMapEntrySet__(
        Set<Map.Entry<__WeakHashMapKey__<K>, V>> __entries)
        throws NullPointerException
    {
        if (__entries == null)
            throw new NullPointerException("NARG");
        
        this._entries = __entries;
    }
    
    /**
     * {@inheritDoc}
     * @since 2023/02/09
     */
    @Override
    public void clear()
    {
        this._entries.clear();
    }
    
    /**
     * {@inheritDoc}
     * @since 2023/02/09
     */
    @Override
    public Iterator<Map.Entry<K, V>> iterator()
    {
        return new __WeakHashMapIterator__<>(this._entries.iterator());
    }
    
    /**
     * {@inheritDoc}
     * @since 2023/02/09
     */
    @Override
    public int size()
    {
        return this._entries.size();
    }
}