com.lp.server.artikel.fastlanereader.FehlmengeAufloesenHandler.java Source code

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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
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package com.lp.server.artikel.fastlanereader;

import java.math.BigDecimal;
import java.rmi.RemoteException;
import java.util.Iterator;
import java.util.List;
import java.util.Locale;

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

import com.lp.server.artikel.fastlanereader.generated.FLRFehlmenge;
import com.lp.server.artikel.service.ArtikelFac;
import com.lp.server.fertigung.service.FertigungFac;
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>
 * Hier wird die FLR Funktionalitaet fuer die Fehlmengen implementiert.
 * </p>
 * <p>
 * Copright Logistik Pur Software GmbH (c) 2004-2007,2005,2006
 * </p>
 * <p>
 * Erstellungsdatum 13.10.2005
 * </p>
 * <p>
 * </p>
 * 
 * @author Martin Bluehweis
 * @version 1.0
 */
public class FehlmengeAufloesenHandler extends UseCaseHandler {

    /**
     * 
     */
    private static final long serialVersionUID = 1L;
    private static final String FLR_FEHLMENGE = "flrfehlmenge.";
    private static final String FLR_FEHLMENGE_FROM_CLAUSE = "SELECT flrfehlmenge from FLRFehlmenge flrfehlmenge LEFT OUTER JOIN flrfehlmenge.flrlossollmaterial.flrlos.flrstueckliste AS stkl ";

    boolean bEndeStattBeginnTermin = false;

    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 = 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()) {
                FLRFehlmenge fm = (FLRFehlmenge) resultListIterator.next();
                rows[row][col++] = fm.getI_id();
                rows[row][col++] = fm.getFlrlossollmaterial().getFlrlos().getC_nr();
                rows[row][col++] = fm.getFlrartikel().getC_nr();
                rows[row][col++] = getArtikelFac()
                        .artikelFindByPrimaryKeySmall(fm.getFlrartikel().getI_id(), theClientDto)
                        .formatBezeichnung();
                rows[row][col++] = fm.getN_menge();

                if (bEndeStattBeginnTermin) {
                    rows[row][col++] = fm.getFlrlossollmaterial().getFlrlos().getT_produktionsende();
                } else {
                    rows[row][col++] = fm.getT_liefertermin();
                }

                if (fm.getFlrlossollmaterial() != null
                        && fm.getFlrlossollmaterial().getFlrlos().getFlrstueckliste() != null) {
                    rows[row][col++] = Helper.short2Boolean(fm.getFlrlossollmaterial().getFlrlos()
                            .getFlrstueckliste().getB_materialbuchungbeiablieferung());
                } else {
                    rows[row][col++] = null;
                }

                row++;
                col = 0;
            }
            result = new QueryResult(rows, this.getRowCount(), startIndex, endIndex, 0);
        } catch (Exception e) {
            throw new EJBExceptionLP(EJBExceptionLP.FEHLER_FLR, e);
        } finally {
            closeSession(session);
        }
        return result;
    }

    protected long getRowCountFromDataBase() {
        long rowCount = 0;
        SessionFactory factory = FLRSessionFactory.getFactory();
        Session session = null;
        try {
            session = factory.openSession();
            String queryString = "SELECT count(*) from FLRFehlmenge flrfehlmenge LEFT OUTER JOIN flrfehlmenge.flrlossollmaterial.flrlos.flrstueckliste AS stkl "
                    + 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, e);
        } finally {
            closeSession(session);
        }
        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;

                    if (filterKriterien[i].kritName.equals("flrlos.c_nr")) {

                        try {

                            String sValue = super.buildWhereBelegnummer(filterKriterien[i], false);

                            // Belegnummernsuche auch in "altem" Jahr, wenn im
                            // neuen noch keines vorhanden ist
                            if (!istBelegnummernInJahr("FLRLos", sValue)) {
                                sValue = super.buildWhereBelegnummer(filterKriterien[i], true);
                            }
                            where.append(" " + FLR_FEHLMENGE + "flrlossollmaterial." + filterKriterien[i].kritName);
                            where.append(" " + filterKriterien[i].operator);
                            where.append(" " + sValue);
                        } catch (Exception ex) {
                            throw new EJBExceptionLP(EJBExceptionLP.FEHLER_FLR, ex);
                        }

                    } else {

                        where.append(" " + FLR_FEHLMENGE + 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(kriterien[i].kritName);
                            orderBy.append(" ");
                            orderBy.append(kriterien[i].value);
                        }
                    }
                }
            } else {
                // no sort criteria found, add default sort
                if (sortAdded) {
                    orderBy.append(", ");
                }

                if (bEndeStattBeginnTermin) {
                    orderBy.append(FLR_FEHLMENGE).append("flrlossollmaterial.flrlos.t_produktionsende ")
                            .append(" ASC ");
                } else {
                    orderBy.append(FLR_FEHLMENGE).append(ArtikelFac.FLR_FEHLMENGE_I_ID).append(" DESC ");
                }

                sortAdded = true;
            }
            if (orderBy.indexOf(FLR_FEHLMENGE + ArtikelFac.FLR_FEHLMENGE_I_ID) < 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(" ").append(FLR_FEHLMENGE).append(ArtikelFac.FLR_FEHLMENGE_I_ID).append(" ");
                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_FEHLMENGE_FROM_CLAUSE;
    }

    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_FEHLMENGE + ArtikelFac.FLR_FEHLMENGE_I_ID
                        + " from FLRFehlmenge flrfehlmenge LEFT OUTER JOIN flrfehlmenge.flrlossollmaterial.flrlos.flrstueckliste AS stkl"
                        + this.buildWhereClause() + this.buildOrderByClause();
                Query query = session.createQuery(queryString);
                ScrollableResults scrollableResult = query.scroll();
                if (scrollableResult != null) {
                    scrollableResult.beforeFirst();
                    while (scrollableResult.next()) {
                        Integer id = (Integer) scrollableResult.getInteger(0);
                        if (selectedId.equals(id)) {
                            rowNumber = scrollableResult.getRowNumber();
                            break;
                        }
                    }
                }
            } catch (Exception e) {
                throw new EJBExceptionLP(EJBExceptionLP.FEHLER_FLR, e);
            } finally {
                closeSession(session);
            }
        }

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

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

        return result;
    }

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

            try {
                ParametermandantDto parameter = getParameterFac().getMandantparameter(theClientDto.getMandant(),
                        ParameterFac.KATEGORIE_FERTIGUNG,
                        ParameterFac.PARAMETER_ENDE_TERMIN_ANSTATT_BEGINN_TERMIN_ANZEIGEN);
                bEndeStattBeginnTermin = (Boolean) parameter.getCWertAsObject();

            } catch (RemoteException ex) {
                throw new EJBExceptionLP(EJBExceptionLP.FEHLER, ex);
            }

            String mandantCNr = theClientDto.getMandant();
            Locale locUI = theClientDto.getLocUi();
            setTableInfo(new TableInfo(
                    new Class[] { Integer.class, String.class, String.class, String.class, BigDecimal.class,
                            java.util.Date.class, Boolean.class },

                    new String[] { "i_id", getTextRespectUISpr("lp.losnr", mandantCNr, locUI),
                            getTextRespectUISpr("lp.artikel", mandantCNr, locUI),
                            getTextRespectUISpr("lp.bezeichnung", mandantCNr, locUI),
                            getTextRespectUISpr("lp.menge", mandantCNr, locUI),
                            bEndeStattBeginnTermin ? getTextRespectUISpr("lp.ende", mandantCNr, locUI)
                                    : getTextRespectUISpr("lp.begintermin", mandantCNr, locUI),
                            getTextRespectUISpr("fert.materialbuchungbeiablieferung", mandantCNr, locUI) },
                    new int[] { QueryParameters.FLR_BREITE_SHARE_WITH_REST, QueryParameters.FLR_BREITE_M,
                            QueryParameters.FLR_BREITE_M, QueryParameters.FLR_BREITE_SHARE_WITH_REST,
                            QueryParameters.FLR_BREITE_PREIS, QueryParameters.FLR_BREITE_M,
                            QueryParameters.FLR_BREITE_S },
                    new String[] { FLR_FEHLMENGE + ArtikelFac.FLR_FEHLMENGE_I_ID,
                            FLR_FEHLMENGE + ArtikelFac.FLR_FEHLMENGE_C_BELEGARTNR,
                            FLR_FEHLMENGE + ArtikelFac.FLR_FEHLMENGE_FLRARTIKEL + ".c_nr", Facade.NICHT_SORTIERBAR,
                            FLR_FEHLMENGE + ArtikelFac.FLR_FEHLMENGE_N_MENGE,

                            bEndeStattBeginnTermin ? FLR_FEHLMENGE + "flrlossollmaterial.flrlos.t_produktionsende"
                                    : FLR_FEHLMENGE + ArtikelFac.FLR_FEHLMENGE_T_LIEFERTERMIN

                            , "stkl.b_materialbuchungbeiablieferung" }));
        }
        return super.getTableInfo();
    }
}