com.lp.server.finanz.fastlanereader.KontoHandlerAuswahl.java Source code

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Here is the source code for com.lp.server.finanz.fastlanereader.KontoHandlerAuswahl.java

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/*******************************************************************************
 * HELIUM V, Open Source ERP software for sustained success
 * at small and medium-sized enterprises.
 * Copyright (C) 2004 - 2014 HELIUM V IT-Solutions GmbH
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published 
 * by the Free Software Foundation, either version 3 of theLicense, or 
 * (at your option) any later version.
 * 
 * According to sec. 7 of the GNU Affero General Public License, version 3, 
 * the terms of the AGPL are supplemented with the following terms:
 * 
 * "HELIUM V" and "HELIUM 5" are registered trademarks of 
 * HELIUM V IT-Solutions GmbH. The licensing of the program under the 
 * AGPL does not imply a trademark license. Therefore any rights, title and
 * interest in our trademarks remain entirely with us. If you want to propagate
 * modified versions of the Program under the name "HELIUM V" or "HELIUM 5",
 * you may only do so if you have a written permission by HELIUM V IT-Solutions 
 * GmbH (to acquire a permission please contact HELIUM V IT-Solutions
 * at trademark@heliumv.com).
 * 
 * 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 Affero General Public License for more details.
 * 
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 * 
 * Contact: developers@heliumv.com
 ******************************************************************************/
package com.lp.server.finanz.fastlanereader;

import java.util.Iterator;
import java.util.List;
import java.util.Locale;

import org.hibernate.HibernateException;
import org.hibernate.Query;
import org.hibernate.Session;
import org.hibernate.SessionFactory;

import com.lp.server.finanz.fastlanereader.generated.FLRFinanzKonto;
import com.lp.server.finanz.service.FinanzFac;
import com.lp.server.util.fastlanereader.FLRSessionFactory;
import com.lp.server.util.fastlanereader.service.query.QueryResult;
import com.lp.server.util.fastlanereader.service.query.TableInfo;
import com.lp.util.EJBExceptionLP;

public class KontoHandlerAuswahl extends KontoHandler {
    /**
     * 
     */
    private static final long serialVersionUID = 1L;

    /**
     * gets the data page for the specified row using the current query. The row
     * at rowIndex will be located in the middle of the page.
     * 
     * @see KontoHandler#getPageAt(java.lang.Integer)
     * @param rowIndex
     *            Integer
     * @throws EJBExceptionLP
     * @return QueryResult
     */
    public QueryResult getPageAt(Integer rowIndex) throws EJBExceptionLP {

        QueryResult result = null;
        SessionFactory factory = FLRSessionFactory.getFactory();
        Session session = null;
        try {
            int colCount = this.getTableInfo().getColumnClasses().length;
            int pageSize = KontoHandler.PAGE_SIZE;
            int startIndex = Math.max(rowIndex.intValue() - (pageSize / 2), 0);
            int endIndex = startIndex + pageSize - 1;

            session = factory.openSession();
            String queryString = this.getFromClause() + this.buildWhereClause() + this.buildOrderByClause();
            Query query = session.createQuery(queryString);
            query.setFirstResult(startIndex);
            query.setMaxResults(pageSize);
            List<?> resultList = query.list();
            Iterator<?> resultListIterator = resultList.iterator();
            Object[][] rows = new Object[resultList.size()][colCount];
            int row = 0;
            int col = 0;
            while (resultListIterator.hasNext()) {
                FLRFinanzKonto konto = (FLRFinanzKonto) resultListIterator.next();
                rows[row][col++] = konto.getI_id();
                rows[row][col++] = konto.getC_nr();
                rows[row][col++] = konto.getC_bez();
                row++;
                col = 0;
            }
            result = new QueryResult(rows, this.getRowCount(), startIndex, endIndex, 0);
        } catch (Exception e) {
            throw new EJBExceptionLP(EJBExceptionLP.FEHLER_FLR, e);
        } finally {
            try {
                session.close();
            } catch (HibernateException he) {
                throw new EJBExceptionLP(EJBExceptionLP.FEHLER_FLR, he);
            }
        }
        return result;
    }

    protected TableInfo produceTableInfo() {
        // hier etwas anders, wegen vererbung.
        String mandantCNr = theClientDto.getMandant();
        Locale locUI = theClientDto.getLocUi();
        return new TableInfo(new Class[] { Integer.class, String.class, String.class },
                new String[] { "Id", getTextRespectUISpr("lp.nr", mandantCNr, locUI),
                        getTextRespectUISpr("lp.bezeichnung", mandantCNr, locUI) },
                new int[] { -1, 6, -1 },
                new String[] { FinanzFac.FLR_KONTO_I_ID, FinanzFac.FLR_KONTO_C_NR, FinanzFac.FLR_KONTO_C_BEZ });

    }
}