com.lp.server.partner.fastlanereader.KundesokoHandler.java Source code

Java tutorial

Introduction

Here is the source code for com.lp.server.partner.fastlanereader.KundesokoHandler.java

Source

/*******************************************************************************
 * 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.partner.fastlanereader;

import java.awt.Color;
import java.math.BigDecimal;
import java.rmi.RemoteException;
import java.util.Iterator;
import java.util.List;

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

import com.lp.server.artikel.service.VerkaufspreisDto;
import com.lp.server.partner.fastlanereader.generated.FLRKundesoko;
import com.lp.server.partner.service.KundesokoFac;
import com.lp.server.partner.service.KundesokomengenstaffelDto;
import com.lp.server.system.service.ParameterFac;
import com.lp.server.system.service.ParametermandantDto;
import com.lp.server.util.Facade;
import com.lp.server.util.fastlanereader.FLRSessionFactory;
import com.lp.server.util.fastlanereader.UseCaseHandler;
import com.lp.server.util.fastlanereader.service.query.FilterBlock;
import com.lp.server.util.fastlanereader.service.query.FilterKriterium;
import com.lp.server.util.fastlanereader.service.query.QueryParameters;
import com.lp.server.util.fastlanereader.service.query.QueryResult;
import com.lp.server.util.fastlanereader.service.query.SortierKriterium;
import com.lp.server.util.fastlanereader.service.query.TableInfo;
import com.lp.util.EJBExceptionLP;
import com.lp.util.Helper;

/**
 * <p>
 * <I>FLR fuer PART_KUNDESOKO.</I>
 * </p>
 * 
 * <p>
 * Copyright Logistik Pur Software GmbH (c) 2004-2007
 * </p>
 * 
 * <p>
 * Erstellungsdatum <I>19.06.2006</I>
 * </p>
 * 
 * <p>
 * </p>
 * 
 * @author Uli Walch
 * @version 1.0
 */
public class KundesokoHandler extends UseCaseHandler {

    /**
     * 
     */
    private static final long serialVersionUID = 1L;
    public static final String FLR_KUNDESOKO = "flrkundesoko.";
    public static final String FLR_KUNDESOKO_FROM_CLAUSE = " from FLRKundesoko AS flrkundesoko LEFT OUTER JOIN flrkundesoko.flrartikel AS flrart LEFT OUTER JOIN flrkundesoko.flrartikelgruppe AS flrag ";
    int iPreisbasis = 0;

    /**
     * gets the page of data for the specified row using the current
     * queryParameters.
     * 
     * @param rowIndex
     *            diese Zeile soll selektiert sein
     * @return QueryResult das Ergebnis der Abfrage
     * @throws EJBExceptionLP
     *             Ausnahme
     * @see UseCaseHandler#getPageAt(java.lang.Integer)
     */
    public QueryResult getPageAt(Integer rowIndex) throws EJBExceptionLP {
        QueryResult result = null;
        SessionFactory factory = FLRSessionFactory.getFactory();
        Session session = null;
        try {
            int colCount = getTableInfo().getColumnClasses().length;
            int pageSize = KundesokoHandler.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();
            // myLogger.info("HQL: " + queryString);
            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()) {
                Object[] o = (Object[]) resultListIterator.next();
                FLRKundesoko kundesoko = (FLRKundesoko) o[0];

                rows[row][col++] = kundesoko.getI_id();
                rows[row][col++] = kundesoko.getArtgru_i_id() == null ? null : "G";

                // Artikel oder Artikelgruppe
                rows[row][col++] = kundesoko.getArtikel_i_id() == null ? kundesoko.getFlrartikelgruppe().getC_nr()
                        : kundesoko.getFlrartikel().getC_nr();

                // die hinterlegten Mengenstaffeln holen
                KundesokomengenstaffelDto[] aMengenstaffelDtos = getKundesokoFac()
                        .kundesokomengenstaffelFindByKundesokoIId(kundesoko.getI_id(), theClientDto);

                BigDecimal nBerechneterPreis = null;
                if (aMengenstaffelDtos != null && aMengenstaffelDtos.length > 0) {
                    if (kundesoko.getArtikel_i_id() != null) {
                        // der Preis muss an dieser Stelle berechnet werden
                        nBerechneterPreis = new BigDecimal(0);
                        if (aMengenstaffelDtos[0].getNArtikelfixpreis() != null) {
                            nBerechneterPreis = aMengenstaffelDtos[0].getNArtikelfixpreis();
                        } else {
                            BigDecimal nPreisbasis = null;
                            if (iPreisbasis == 0 || iPreisbasis == 2) {

                                // WH 21.06.06 Es gilt die VK-Basis, die zu
                                // Beginn
                                // der Mengenstaffel gueltig ist
                                nPreisbasis = getVkPreisfindungFac().ermittlePreisbasis(kundesoko.getArtikel_i_id(),
                                        new java.sql.Date(kundesoko.getT_preisgueltigab().getTime()), null,
                                        theClientDto.getSMandantenwaehrung(), theClientDto);
                            } else {
                                nPreisbasis = getVkPreisfindungFac().ermittlePreisbasis(kundesoko.getArtikel_i_id(),
                                        new java.sql.Date(kundesoko.getT_preisgueltigab().getTime()),
                                        kundesoko.getFlrkunde().getVkpfartikelpreisliste_i_id_stdpreisliste(),
                                        theClientDto.getSMandantenwaehrung(), theClientDto);
                            }

                            if (nPreisbasis != null) {

                                VerkaufspreisDto vkpfDto = getVkPreisfindungFac().berechneVerkaufspreis(nPreisbasis,
                                        aMengenstaffelDtos[0].getFArtikelstandardrabattsatz());

                                nBerechneterPreis = vkpfDto.nettopreis;
                            }
                        }
                    }
                }

                rows[row][col++] = nBerechneterPreis;
                rows[row][col++] = kundesoko.getT_preisgueltigab();
                rows[row][col++] = kundesoko.getT_preisgueltigbis() == null ? null
                        : kundesoko.getT_preisgueltigbis();
                rows[row][col++] = kundesoko.getC_kundeartikelnummer();

                if (kundesoko.getArtikel_i_id() != null) {

                    if (Helper.short2boolean(
                            getArtikelFac().artikelFindByPrimaryKeySmall(kundesoko.getArtikel_i_id(), theClientDto)
                                    .getBRabattierbar())) {
                        rows[row][col++] = null;
                    } else {
                        rows[row][col++] = Color.RED;
                    }

                } else {
                    rows[row][col++] = null;
                }
                row++;
                col = 0;
            }
            result = new QueryResult(rows, this.getRowCount(), startIndex, endIndex, 0);
        } catch (Exception e) {
            e.printStackTrace();
            throw new EJBExceptionLP(EJBExceptionLP.FEHLER_FLR, e);
        } finally {
            try {
                session.close();
            } catch (HibernateException he) {
                throw new EJBExceptionLP(EJBExceptionLP.FEHLER, he);
            }
        }
        return result;
    }

    /**
     * gets the total number of rows represented by the current query.
     * 
     * @return int die Anzehl der Zeilen im Ergebnis
     * @see UseCaseHandler#getRowCountFromDataBase()
     */
    protected long getRowCountFromDataBase() {
        long rowCount = 0;
        SessionFactory factory = FLRSessionFactory.getFactory();
        Session session = null;
        try {
            session = factory.openSession();
            String queryString = "select count(*) " + this.getFromClause() + this.buildWhereClause();
            Query query = session.createQuery(queryString);
            List<?> rowCountResult = query.list();
            if (rowCountResult != null && rowCountResult.size() > 0) {
                rowCount = ((Long) rowCountResult.get(0)).longValue();
            }
        } catch (Exception e) {
            throw new EJBExceptionLP(EJBExceptionLP.FEHLER_FLR, e);
        } finally {
            if (session != null) {
                try {
                    session.close();
                } catch (HibernateException he) {
                    throw new EJBExceptionLP(EJBExceptionLP.FEHLER_HIBERNATE, he);
                }
            }
        }
        return rowCount;
    }

    /**
     * builds the where clause of the HQL (Hibernate Query Language) statement
     * using the current query.
     * 
     * @return the HQL where clause.
     */
    private String buildWhereClause() {
        StringBuffer where = new StringBuffer("");

        if (this.getQuery() != null && this.getQuery().getFilterBlock() != null
                && this.getQuery().getFilterBlock().filterKrit != null) {

            FilterBlock filterBlock = this.getQuery().getFilterBlock();
            FilterKriterium[] filterKriterien = this.getQuery().getFilterBlock().filterKrit;
            String booleanOperator = filterBlock.boolOperator;
            boolean filterAdded = false;

            for (int i = 0; i < filterKriterien.length; i++) {
                if (filterKriterien[i].isKrit) {
                    if (filterAdded) {
                        where.append(" " + booleanOperator);
                    }
                    filterAdded = true;
                    where.append(" " + FLR_KUNDESOKO + filterKriterien[i].kritName);
                    where.append(" " + filterKriterien[i].operator);
                    where.append(" " + filterKriterien[i].value);
                }
            }
            if (filterAdded) {
                where.insert(0, " WHERE");
            }
        }

        return where.toString();
    }

    /**
     * builds the HQL (Hibernate Query Language) order by clause using the sort
     * criterias contained in the current query.
     * 
     * @return the HQL order by clause.
     */
    private String buildOrderByClause() {
        StringBuffer orderBy = new StringBuffer("");
        if (this.getQuery() != null) {
            SortierKriterium[] kriterien = this.getQuery().getSortKrit();
            boolean sortAdded = false;
            if (kriterien != null && kriterien.length > 0) {
                for (int i = 0; i < kriterien.length; i++) {
                    if (!kriterien[i].kritName.endsWith(Facade.NICHT_SORTIERBAR)) {
                        if (kriterien[i].isKrit) {
                            if (sortAdded) {
                                orderBy.append(", ");
                            }
                            sortAdded = true;
                            orderBy.append(FLR_KUNDESOKO + kriterien[i].kritName);
                            orderBy.append(" ");
                            orderBy.append(kriterien[i].value);
                        }
                    }
                }
            } else {
                // no sort criteria found, add default sort
                if (sortAdded) {
                    orderBy.append(", ");
                }
                orderBy.append(FLR_KUNDESOKO + "flrartikel.c_nr").append(",");
                orderBy.append(FLR_KUNDESOKO + "flrartikelgruppe.c_nr").append(",");
                orderBy.append(FLR_KUNDESOKO + KundesokoFac.FLR_KUNDESOKO_PREISGUELTIGAB);

                sortAdded = true;
            }

            if (orderBy.indexOf(FLR_KUNDESOKO + KundesokoFac.FLR_KUNDESOKO_PREISGUELTIGAB) < 0) {
                // unique sort required because otherwise rowNumber of
                // selectedId
                // within sort() method may be different from the position of
                // selectedId
                // as returned in the page of getPageAt().
                if (sortAdded) {
                    orderBy.append(", ");
                }
                orderBy.append(FLR_KUNDESOKO + KundesokoFac.FLR_KUNDESOKO_PREISGUELTIGAB);

                sortAdded = true;
            }
            if (sortAdded) {
                orderBy.insert(0, " ORDER BY ");
            }
        }
        return orderBy.toString();
    }

    /**
     * get the basic from clause for the HQL statement.
     * 
     * @return the from clause.
     */
    private String getFromClause() {
        return FLR_KUNDESOKO_FROM_CLAUSE;
    }

    public TableInfo getTableInfo() {
        if (super.getTableInfo() == null) {

            try {
                ParametermandantDto param = getParameterFac().getMandantparameter(theClientDto.getMandant(),
                        ParameterFac.KATEGORIE_KUNDEN, ParameterFac.PARAMETER_PREISBASIS_VERKAUF);

                iPreisbasis = (Integer) param.getCWertAsObject();

            } catch (RemoteException e) {
                throwEJBExceptionLPRespectOld(e);
            }

            setTableInfo(new TableInfo(
                    new Class[] { Integer.class, String.class, String.class, BigDecimal.class, java.util.Date.class,
                            java.util.Date.class, String.class, Color.class },
                    new String[] { "i_id", "",
                            getTextRespectUISpr("lp.artikel", theClientDto.getMandant(), theClientDto.getLocUi()),
                            getTextRespectUISpr("bes.nettogesamtpreisminusrabatte", theClientDto.getMandant(),
                                    theClientDto.getLocUi()),
                            getTextRespectUISpr("lp.gueltig_ab", theClientDto.getMandant(),
                                    theClientDto.getLocUi()),
                            getTextRespectUISpr("lp.gueltig_bis", theClientDto.getMandant(),
                                    theClientDto.getLocUi()),
                            getTextRespectUISpr("lp.kundenartikelnummer", theClientDto.getMandant(),
                                    theClientDto.getLocUi()), },

                    new int[] { QueryParameters.FLR_BREITE_SHARE_WITH_REST, // diese
                            // Spalte
                            // wird
                            // ausgeblendet
                            QueryParameters.FLR_BREITE_XXS, // Kuerzel
                            QueryParameters.FLR_BREITE_XM, QueryParameters.FLR_BREITE_SHARE_WITH_REST, // Format
                            // 1234.123

                            QueryParameters.FLR_BREITE_SHARE_WITH_REST, // Breite
                            // variabel
                            QueryParameters.FLR_BREITE_SHARE_WITH_REST, QueryParameters.FLR_BREITE_XM },
                    new String[] { "i_id", Facade.NICHT_SORTIERBAR, "flrartikel.c_nr", // Artikel oder
                            // Artikelgruppe
                            Facade.NICHT_SORTIERBAR, KundesokoFac.FLR_KUNDESOKO_PREISGUELTIGAB,
                            KundesokoFac.FLR_KUNDESOKO_PREISGUELTIGBIS,
                            KundesokoFac.FLR_KUNDESOKO_KUNDEARTIKELNUMMER }));
        }
        return super.getTableInfo();
    }

    public QueryResult sort(SortierKriterium[] sortierKriterien, Object selectedId) throws EJBExceptionLP {
        this.getQuery().setSortKrit(sortierKriterien);

        QueryResult result = null;
        int rowNumber = 0;

        if (selectedId != null && ((Integer) selectedId).intValue() >= 0) {
            SessionFactory factory = FLRSessionFactory.getFactory();
            Session session = null;

            try {
                session = factory.openSession();
                String queryString = "select " + FLR_KUNDESOKO + "i_id" + FLR_KUNDESOKO_FROM_CLAUSE
                        + this.buildWhereClause() + this.buildOrderByClause();
                Query query = session.createQuery(queryString);
                ScrollableResults scrollableResult = query.scroll();
                boolean idFound = false;
                if (scrollableResult != null) {
                    scrollableResult.beforeFirst();
                    while (scrollableResult.next()) {
                        Integer id = (Integer) scrollableResult.getInteger(0); // TYPE
                        // OF
                        // KEY
                        // ATTRIBUTE
                        // !
                        // !
                        // !
                        if (selectedId.equals(id)) {
                            rowNumber = scrollableResult.getRowNumber();
                            break;
                        }
                    }
                }
            } catch (Exception e) {
                throw new EJBExceptionLP(EJBExceptionLP.FEHLER_FLR, e);
            } finally {
                try {
                    session.close();
                } catch (HibernateException he) {
                    throw new EJBExceptionLP(EJBExceptionLP.FEHLER_FLR, he);
                }
            }
        }

        if (rowNumber < 0 || rowNumber >= this.getRowCount()) {
            rowNumber = 0;
        }

        result = this.getPageAt(new Integer(rowNumber));
        result.setIndexOfSelectedRow(rowNumber);

        return result;
    }
}