Java tutorial
/******************************************************************************* * 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.bestellung.fastlanereader; import java.awt.Color; import java.math.BigDecimal; import java.sql.Timestamp; import java.util.Date; import java.util.Iterator; import java.util.List; import java.util.Locale; import java.util.Set; import javax.swing.Icon; import org.hibernate.Query; import org.hibernate.ScrollableResults; import org.hibernate.Session; import org.hibernate.SessionFactory; import com.lp.server.artikel.fastlanereader.generated.FLRArtikellieferant; import com.lp.server.artikel.fastlanereader.generated.FLRArtikellistespr; import com.lp.server.artikel.service.ArtikellieferantDto; import com.lp.server.auftrag.service.AuftragDto; import com.lp.server.auftrag.service.AuftragpositionDto; import com.lp.server.bestellung.fastlanereader.generated.FLRBestellvorschlag; import com.lp.server.bestellung.fastlanereader.generated.FLRLieferantenoptimieren; import com.lp.server.bestellung.service.BestellpositionDto; import com.lp.server.bestellung.service.BestellungDto; import com.lp.server.bestellung.service.BestellvorschlagFac; import com.lp.server.fertigung.service.LosDto; import com.lp.server.partner.service.LieferantFac; import com.lp.server.system.service.LocaleFac; import com.lp.server.util.Facade; import com.lp.server.util.HelperServer; 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; public class LieferantenoptimierenHandler extends UseCaseHandler { /** * */ private static final long serialVersionUID = 1L; public static final String FLR_LIEFERANTENOPTIMIEREN = "FLRLieferantenoptimieren."; public static final String FLR_LIEFERANTENOPTIMIEREN_FROM_CLAUSE = " from FLRLieferantenoptimieren flrLieferantenoptimieren "; /** * 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 UseCaseHandler#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 = getTableInfo().getColumnClasses().length; int pageSize = BestellvorschlagHandler.PAGE_SIZE; int startIndex = Math.max(rowIndex.intValue() - (pageSize / 2), 0); int endIndex = startIndex + pageSize - 1; session = factory.openSession(); session = setFilter(session); String queryString = this.getFromClause() + this.buildWhereClause() + this.buildOrderByClause(); Query query = session.createQuery(queryString); query.setFirstResult(startIndex); List<?> resultList = query.list(); Iterator<?> resultListIterator = resultList.iterator(); Object[][] rows = new Object[resultList.size() + 1][colCount]; int row = 0; int col = 0; BigDecimal summe = new BigDecimal(0); while (resultListIterator.hasNext()) { Object[] o = (Object[]) resultListIterator.next(); FLRLieferantenoptimieren flrLieferantenoptimieren = (FLRLieferantenoptimieren) o[0]; FLRBestellvorschlag bestellvorschlag = flrLieferantenoptimieren.getFlrbestellvorschlag(); rows[row][col++] = bestellvorschlag.getI_id(); if (o[1] != null) { rows[row][col++] = LocaleFac.STATUS_GESPERRT; } else { rows[row][col++] = null; } rows[row][col++] = bestellvorschlag.getFlrartikelliste().getC_nr(); if (o[2] != null) { FLRArtikellistespr artikelspr = ((com.lp.server.artikel.fastlanereader.generated.FLRArtikellistespr) o[2]); rows[row][col++] = artikelspr.getC_bez(); rows[row][col++] = artikelspr.getC_zbez(); } else { rows[row][col++] = null; rows[row][col++] = null; } rows[row][col++] = bestellvorschlag.getN_zubestellendemenge(); rows[row][col++] = bestellvorschlag.getFlrartikel().getEinheit_c_nr(); BigDecimal nettopreisArtikellieferant = new BigDecimal(0); ArtikellieferantDto alDto = getArtikelFac().getArtikelEinkaufspreis( flrLieferantenoptimieren.getArtikel_i_id(), flrLieferantenoptimieren.getLieferant_i_id_artikellieferant(), bestellvorschlag.getN_zubestellendemenge(), theClientDto.getSMandantenwaehrung(), Helper.cutDate(new java.sql.Date(System.currentTimeMillis())), theClientDto); if (alDto != null) { if (alDto.getNNettopreis() != null) { nettopreisArtikellieferant = alDto.getNNettopreis(); } rows[row][col++] = alDto.getNNettopreis(); rows[row][col++] = flrLieferantenoptimieren.getFlrartikellieferant() .getI_wiederbeschaffungszeit(); rows[row][col++] = alDto.getNFixkosten(); } else { rows[row][col++] = null; rows[row][col++] = flrLieferantenoptimieren.getFlrartikellieferant() .getI_wiederbeschaffungszeit(); rows[row][col++] = null; } rows[row][col++] = flrLieferantenoptimieren.getFlrartikellieferant().getI_sort(); if (!flrLieferantenoptimieren.getFlrartikellieferant().getLieferant_i_id() .equals(flrLieferantenoptimieren.getFlrbestellvorschlag().getFlrlieferant().getI_id())) { rows[row][col++] = Color.GRAY; } else { summe = summe .add(nettopreisArtikellieferant.multiply(bestellvorschlag.getN_zubestellendemenge())); } row++; col = 0; } // Zeile mit Summe hinzufuegen rows[row][6] = "Summe:"; rows[row][7] = summe; result = new QueryResult(rows, this.getRowCount(), startIndex, endIndex, 0); } catch (Exception e) { throw new EJBExceptionLP(EJBExceptionLP.FEHLER_FLR, e); } finally { closeSession(session); } return result; } /** * gets the total number of rows represented by the current query. * * @see UseCaseHandler#getRowCountFromDataBase() * @return int */ protected long getRowCountFromDataBase() { long rowCount = 0; SessionFactory factory = FLRSessionFactory.getFactory(); Session session = null; try { session = factory.openSession(); String queryString = "select count(distinct flrLieferantenoptimieren.bestellvorschlag_i_id) from FLRLieferantenoptimieren flrLieferantenoptimieren LEFT OUTER JOIN flrLieferantenoptimieren.flrartikelliste.artikelsprset AS aspr " + 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 + 1; } // /** // * gets the total number of rows represented by the current query. // * // * @see UseCaseHandler#getRowCountFromDataBase() // * @return int // */ // protected int getRowCountFromDataBase() { // int rowCount = 0; // SessionFactory factory = FLRSessionFactory.getFactory(); // Session session = null; // try { // session = factory.openSession(); // String queryString = "select count(*) " + this.getFromClause() // + this.buildWhereClause(); // myLogger.logData("getRowCountFromDataBase(), HQL Query = " + // queryString); // Query query = session.createQuery(queryString); // List rowCountResult = query.list(); // if (rowCountResult != null && rowCountResult.size() > 0) { // rowCount = ( (Integer) rowCountResult.get(0)).intValue(); // } // } // catch (Exception e) { // e.printStackTrace(); // } // 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("c_volltext")) { String suchstring = "lower(coalesce(aspr.c_bez,'')||' '||coalesce(aspr.c_kbez,'')||' '||coalesce(aspr.c_zbez,'')||' '||coalesce(aspr.c_zbez2,''))"; String[] teile = filterKriterien[i].value.toLowerCase().split(" "); where.append("("); for (int p = 0; p < teile.length; p++) { if (teile[p].startsWith("-")) { where.append(" NOT "); teile[p] = teile[p].substring(1); } where.append("lower(" + suchstring + ") like '%" + teile[p].toLowerCase() + "%'"); if (p < teile.length - 1) { where.append(" AND "); } } where.append(")"); } else { if (filterKriterien[i].isBIgnoreCase()) { where.append(" lower(" + filterKriterien[i].kritName + ")"); } else { where.append(" " + filterKriterien[i].kritName); } where.append(" " + filterKriterien[i].operator); if (filterKriterien[i].isBIgnoreCase()) { where.append(" " + filterKriterien[i].value.toLowerCase()); } else { 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; // spezial unterscheidung nur in diesem haendler if (kriterien[i].kritName.toString().equals("c_nr")) { orderBy.append("flrLieferantenoptimieren." + "flrartikelliste.c_nr"); orderBy.append(" "); orderBy.append(kriterien[i].value); } else if (kriterien[i].kritName.toString().equals("c_bez")) { orderBy.append("flrLieferantenoptimieren." + "flrartikelliste.c_nr"); orderBy.append(" "); orderBy.append(kriterien[i].value); } else { orderBy.append("" + kriterien[i].kritName); orderBy.append(" "); orderBy.append(kriterien[i].value); } } } } } else { // no sort criteria found, add default sort if (sortAdded) { orderBy.append(", "); } orderBy.append("flrLieferantenoptimieren.flrartikelliste.").append("c_nr").append(" ASC "); sortAdded = true; } if (orderBy.indexOf("flrLieferantenoptimieren." + "bestellvorschlag_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(" flrLieferantenoptimieren.").append("bestellvorschlag_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 "SELECT flrLieferantenoptimieren, (SELECT distinct s.artikel_i_id FROM FLRArtikelsperren as s WHERE s.artikel_i_id=flrLieferantenoptimieren.artikel_i_id AND ( s.flrsperren.b_gesperrteinkauf=1 OR s.flrsperren.b_gesperrt=1) ) as sperren, aspr from FLRLieferantenoptimieren flrLieferantenoptimieren LEFT OUTER JOIN flrLieferantenoptimieren.flrartikelliste.artikelsprset AS aspr "; } /** * sorts the data described by the current query using the specified sort * criterias. The current query is also updated with the new sort criterias. * * @see UseCaseHandler#sort(SortierKriterium[], Object) * @throws EJBExceptionLP * @param sortierKriterien * SortierKriterium[] * @param selectedId * Object * @return QueryResult */ 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) { if (selectedId != null) { SessionFactory factory = FLRSessionFactory.getFactory(); Session session = null; try { session = factory.openSession(); String queryString = "select flrLieferantenoptimieren." + "bestellvorschlag_i_id" + " from FLRLieferantenoptimieren flrLieferantenoptimieren LEFT OUTER JOIN flrLieferantenoptimieren.flrartikelliste.artikelsprset AS aspr " + 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, e); } finally { closeSession(session); } } if (rowNumber < 0 || rowNumber >= this.getRowCount()) { rowNumber = 0; } result = this.getPageAt(new Integer(rowNumber)); result.setIndexOfSelectedRow(rowNumber); return result; } /** * gets information about the Bestellungstable. * * @return TableInfo */ public TableInfo getTableInfo() { if (super.getTableInfo() == null) { String mandantCNr = theClientDto.getMandant(); Locale locUI = theClientDto.getLocUi(); setTableInfo(new TableInfo( new Class[] { Integer.class, Icon.class, String.class, String.class, String.class, BigDecimal.class, String.class, BigDecimal.class, Integer.class, BigDecimal.class, Integer.class, Color.class }, new String[] { "i_id", "S", getTextRespectUISpr("bes.artikelcnr", mandantCNr, locUI), getTextRespectUISpr("bes.artikelbezeichnung", mandantCNr, locUI), getTextRespectUISpr("artikel.zusatzbez", mandantCNr, locUI), getTextRespectUISpr("bes.zubestellendeMenge", mandantCNr, locUI), getTextRespectUISpr("bes.einheit", mandantCNr, locUI), getTextRespectUISpr("bes.nettogesamtpreisminusrabatte", mandantCNr, locUI), getTextRespectUISpr("artikel.wiederbeschaffungszeit.short", mandantCNr, locUI), getTextRespectUISpr("bes.fixkosten", mandantCNr, locUI), getTextRespectUISpr("bes.sort", mandantCNr, locUI), "" }, new int[] { QueryParameters.FLR_BREITE_SHARE_WITH_REST, QueryParameters.FLR_BREITE_S, QueryParameters.FLR_BREITE_SHARE_WITH_REST, QueryParameters.FLR_BREITE_XL, QueryParameters.FLR_BREITE_SHARE_WITH_REST, QueryParameters.FLR_BREITE_XM, QueryParameters.FLR_BREITE_M, QueryParameters.FLR_BREITE_SHARE_WITH_REST, QueryParameters.FLR_BREITE_XS, QueryParameters.FLR_BREITE_SHARE_WITH_REST, QueryParameters.FLR_BREITE_M, 1 }, new String[] { "i_id", Facade.NICHT_SORTIERBAR, "flrLieferantenoptimieren.flrartikelliste.c_nr", "aspr.c_bez", "aspr.c_zbez", "flrLieferantenoptimieren.flrbestellvorschlag." + BestellvorschlagFac.FLR_BESTELLVORSCHLAG_N_ZUBESTELLENDEMENGE, "flrLieferantenoptimieren.flrartikelliste.einheit_c_nr", Facade.NICHT_SORTIERBAR, Facade.NICHT_SORTIERBAR, Facade.NICHT_SORTIERBAR, Facade.NICHT_SORTIERBAR, "" })); } return super.getTableInfo(); } }