EntryTypeNumberingUtil.java

/*
 * Copyright (c) 2002-2022, City of Paris
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *  1. Redistributions of source code must retain the above copyright notice
 *     and the following disclaimer.
 *
 *  2. Redistributions in binary form must reproduce the above copyright notice
 *     and the following disclaimer in the documentation and/or other materials
 *     provided with the distribution.
 *
 *  3. Neither the name of 'Mairie de Paris' nor 'Lutece' nor the names of its
 *     contributors may be used to endorse or promote products derived from
 *     this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * License 1.0
 */
package fr.paris.lutece.plugins.genericattributes.util;

import java.util.HashMap;
import java.util.Map;

import fr.paris.lutece.plugins.genericattributes.business.ResponseHome;
import fr.paris.lutece.plugins.genericattributes.service.entrytype.AbstractEntryTypeNumbering;

/**
 * Contains the map of values for {@link AbstractEntryTypeNumbering}
 */
public final class EntryTypeNumberingUtil
{

    private static final EntryTypeNumberingUtil INSTANCE = new EntryTypeNumberingUtil( );
    private final Map<Integer, Integer> _valuesMap;

    private EntryTypeNumberingUtil( )
    {
        _valuesMap = new HashMap<>( );
    }

    public static EntryTypeNumberingUtil getInstance( )
    {
        return INSTANCE;
    }

    public synchronized int getNextValue( int entryId )
    {
        if ( _valuesMap.containsKey( entryId ) )
        {
            int old = _valuesMap.get( entryId );
            _valuesMap.put( entryId, old + 1 );
        }
        else
        {
            _valuesMap.put( entryId, ResponseHome.findMaxNumber( entryId ) );
        }

        return _valuesMap.get( entryId );
    }
}