au.edu.anu.metadatastores.services.aries.OutputId.java Source code

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Here is the source code for au.edu.anu.metadatastores.services.aries.OutputId.java

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/*******************************************************************************
 * Australian National University Metadata Stores
 * Copyright (C) 2013  The Australian National University
 * 
 * This file is part of Australian National University Metadata Stores.
 * 
 * Australian National University Metadata Stores is free software: you
 * can redistribute it and/or modify it under the terms of the GNU
 * General Public License as published by the Free Software Foundation,
 * either version 3 of the License, or (at your option) any later
 * version.
 * 
 * This program 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 General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 ******************************************************************************/

package au.edu.anu.metadatastores.services.aries;

import java.util.ArrayList;
import java.util.List;

import org.hibernate.Session;

import au.edu.anu.metadatastores.datamodel.aries.publications.ResearchOutputsData1;

/**
 * 
 * <p>OutputId<p>
 * 
 * <p>The Australian National University</p>
 * 
 * <p>Class to provide research outputs information</p>
 * 
 * @author Rainbow Cai
 * @author Genevieve Turner
 *
 */
public class OutputId {
    private static OutputId singleton_;

    /**
     * Constructor
     */
    private OutputId() {

    }

    /**
     * Get the OutputId singleton
     * 
     * @return The OutputId
     */
    public static synchronized OutputId getSingleton() {
        if (singleton_ == null) {
            singleton_ = new OutputId();
        }
        return singleton_;
    }

    /**
     * Returns all the output 6 codes found in Aries
     * 
     * @return The output 6 codes
     */
    public String[] getAllOutput6Codes() {
        Session session = AriesHibernateUtil.getSessionFactory().openSession();
        try {
            @SuppressWarnings("unchecked")
            List<ResearchOutputsData1> researchOutputs = session.createQuery("from ResearchOutputsData1").list();

            List<String> outputCodes = new ArrayList<String>();

            for (ResearchOutputsData1 researchOutput : researchOutputs) {
                if (researchOutput != null && researchOutput.getChrOutput6code() != null
                        && !outputCodes.contains(researchOutput.getChrOutput6code())) {
                    outputCodes.add(researchOutput.getChrOutput6code());
                }
            }

            return outputCodes.toArray(new String[0]);
        } finally {
            session.close();
        }
    }
}