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Open source reference implementation of SDMX

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/*******************************************************************************
 * Copyright (c) 2013 Metadata Technology Ltd.
 *
 * All rights reserved. This program and the accompanying materials are made 
 * available under the terms of the GNU Lesser General Public License v 3.0 
 * which accompanies this distribution, and is available at
 * http://www.gnu.org/licenses/lgpl.html
 *
 * This file is part of the SDMX Component Library.
 *
 * The SDMX Component Library is free software: you can redistribute it and/or 
 * modify it under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation, either version 3 of the License,
 * or (at your option) any later version.
 *
 * The SDMX Component Library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of 
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser 
 * General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License 
 * along with The SDMX Component Library If not, see 
 * http://www.gnu.org/licenses/lgpl.
 *
 * Contributors:
 * Metadata Technology - initial API and implementation
 ******************************************************************************/
package org.sdmxsource.sdmx.structureparser.engine.reversion;

import org.sdmxsource.sdmx.api.model.beans.categoryscheme.CategorisationBean;
import org.sdmxsource.sdmx.api.model.beans.reference.StructureReferenceBean;
import org.sdmxsource.sdmx.api.model.mutable.categoryscheme.CategorisationMutableBean;
import org.sdmxsource.sdmx.structureparser.engine.CategorisationCrossReferenceUpdaterEngine;

import java.util.Map;


/**
 * The type Categorisation cross reference updater engine.
 */
public class CategorisationCrossReferenceUpdaterEngineImpl implements CategorisationCrossReferenceUpdaterEngine {

    @Override
    public CategorisationBean updateReferences(CategorisationBean maintianable, Map updateReferences, String newVersionNumber) {
        CategorisationMutableBean categorisationMutable = maintianable.getMutableInstance();

        StructureReferenceBean target = updateReferences.get(categorisationMutable.getCategoryReference());
        if (target != null) {
            categorisationMutable.setCategoryReference(target);
        }
        target = updateReferences.get(categorisationMutable.getStructureReference());
        if (target != null) {
            categorisationMutable.setStructureReference(target);
        }
        return categorisationMutable.getImmutableInstance();
    }

}