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.artikel.fastlanereader; import java.math.BigDecimal; import java.rmi.RemoteException; import java.util.ArrayList; import java.util.HashMap; 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.ArtikelDto; import com.lp.server.artikel.service.ArtikelFac; import com.lp.server.artikel.service.LagerDto; import com.lp.server.artikel.service.LagerFac; 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; /** * <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 LagercockpitFehlmengeHandler 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,(SELECT distinct s.artikel_i_id FROM FLRArtikelsperren as s WHERE s.artikel_i_id=flrfehlmenge.flrartikel.i_id) as sperren from FLRFehlmenge flrfehlmenge LEFT OUTER JOIN flrfehlmenge.flrlossollmaterial.flrlos.flrstueckliste AS stkl "; private Integer artikelIId = null; 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 = 9999999; 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(); // Lagerstand BigDecimal lagerstand = null; HashMap<String, BigDecimal> hmLagerstaende = getLagerFac() .getLagerstaendeAllerLagerartenOhneKeinLager(artikelIId, theClientDto); lagerstand = hmLagerstaende.get(LagerFac.LAGERART_WARENEINGANG); if (lagerstand == null) { lagerstand = new BigDecimal(0); } Query query = session.createQuery(queryString); query.setFirstResult(startIndex); query.setMaxResults(pageSize); List<?> resultList = query.list(); Iterator<?> resultListIterator = resultList.iterator(); ArrayList alZeilen = new ArrayList(); int row = 0; int col = 0; while (resultListIterator.hasNext()) { Object[] o = (Object[]) resultListIterator.next(); FLRFehlmenge fm = (FLRFehlmenge) o[0]; Object[] zeile = new Object[colCount]; zeile[0] = fm.getI_id(); zeile[1] = fm.getFlrartikel().getC_nr(); zeile[2] = getArtikelFac().artikelFindByPrimaryKeySmall(fm.getFlrartikel().getI_id(), theClientDto) .formatBezeichnung(); zeile[3] = fm.getN_menge(); lagerstand = lagerstand.subtract(fm.getN_menge()); String losnummerProjekt = fm.getFlrlossollmaterial().getFlrlos().getC_nr(); if (fm.getFlrlossollmaterial().getFlrlos().getC_projekt() != null) { losnummerProjekt += " " + fm.getFlrlossollmaterial().getFlrlos().getC_projekt(); } zeile[4] = losnummerProjekt; Integer lagerIId = null; LagerDto lDto = getLagerFac().getLagerDesErstenArtikellagerplatzes(fm.getFlrartikel().getI_id(), theClientDto); if (lDto != null) { lagerIId = lDto.getIId(); } String sLagerplaetze = getLagerFac().getLagerplaezteEinesArtikels(fm.getFlrartikel().getI_id(), null); boolean bMehrerLagerplaetze = false; if (sLagerplaetze != null && sLagerplaetze.split(",").length > 2) { bMehrerLagerplaetze = true; } if (bMehrerLagerplaetze == true && lagerIId != null) { zeile[5] = getLagerFac().getLagerplaezteEinesArtikels(fm.getFlrartikel().getI_id(), lagerIId) + " ++"; } else { zeile[5] = getLagerFac().getLagerplaezteEinesArtikels(fm.getFlrartikel().getI_id(), lagerIId); } alZeilen.add(zeile); } if (lagerstand.doubleValue() > 0) { // Noch 2 Zeilen hinzufuegen Object[] zeile = new Object[colCount]; zeile[0] = -1; zeile[1] = "---------"; zeile[2] = "----------------------------------------------------------------------"; alZeilen.add(zeile); zeile = new Object[5]; ArtikelDto aDto = getArtikelFac().artikelFindByPrimaryKeySmall(artikelIId, theClientDto); zeile[0] = -1; zeile[1] = aDto.getCNr(); zeile[2] = "Verbleibende Menge:"; zeile[3] = lagerstand; alZeilen.add(zeile); } Object[][] rows = new Object[alZeilen.size()][colCount]; rows = (Object[][]) alZeilen.toArray(rows); 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 flrfehlmenge from FLRFehlmenge flrfehlmenge LEFT OUTER JOIN flrfehlmenge.flrlossollmaterial.flrlos.flrstueckliste AS stkl " + this.buildWhereClause(); // Lagerstand BigDecimal lagerstand = null; HashMap<String, BigDecimal> hmLagerstaende = getLagerFac() .getLagerstaendeAllerLagerartenOhneKeinLager(artikelIId, theClientDto); lagerstand = hmLagerstaende.get(LagerFac.LAGERART_WARENEINGANG); if (lagerstand == null) { lagerstand = new BigDecimal(0); } Query query = session.createQuery(queryString); List<?> rowCountResult = query.list(); Iterator<?> resultListIterator = rowCountResult.iterator(); rowCount = rowCountResult.size(); while (resultListIterator.hasNext()) { FLRFehlmenge fLRFehlmenge = (FLRFehlmenge) resultListIterator.next(); lagerstand = lagerstand.subtract(fLRFehlmenge.getN_menge()); } if (lagerstand.doubleValue() > 0) { rowCount = rowCount + 2; } } 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].kritName.equals("artikel_i_id")) { artikelIId = new Integer(filterKriterien[i].value); } if (filterKriterien[i].isKrit) { if (filterAdded) { where.append(" " + booleanOperator); } filterAdded = true; 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(", "); } 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 { String mandantCNr = theClientDto.getMandant(); int iNachkommastellenMenge = getMandantFac().getNachkommastellenMenge(mandantCNr); Locale locUI = theClientDto.getLocUi(); setTableInfo(new TableInfo( new Class[] { Integer.class, String.class, String.class, super.getUIClassBigDecimalNachkommastellen(iNachkommastellenMenge), String.class, String.class }, new String[] { "i_id", getTextRespectUISpr("lp.artikel", mandantCNr, locUI), getTextRespectUISpr("lp.bezeichnung", mandantCNr, locUI), getTextRespectUISpr("lp.menge", mandantCNr, locUI), getTextRespectUISpr("lp.losnr", mandantCNr, locUI), getTextRespectUISpr("lp.lagerplatz", mandantCNr, locUI), }, new int[] { QueryParameters.FLR_BREITE_SHARE_WITH_REST, QueryParameters.FLR_BREITE_M, QueryParameters.FLR_BREITE_SHARE_WITH_REST, QueryParameters.FLR_BREITE_M, QueryParameters.FLR_BREITE_L, QueryParameters.FLR_BREITE_L }, new String[] { FLR_FEHLMENGE + ArtikelFac.FLR_FEHLMENGE_I_ID, FLR_FEHLMENGE + ArtikelFac.FLR_FEHLMENGE_FLRARTIKEL + ".c_nr", Facade.NICHT_SORTIERBAR, FLR_FEHLMENGE + ArtikelFac.FLR_FEHLMENGE_N_MENGE, FLR_FEHLMENGE + ArtikelFac.FLR_FEHLMENGE_C_BELEGARTNR, Facade.NICHT_SORTIERBAR })); } catch (RemoteException ex) { throwEJBExceptionLPRespectOld(ex); return null; } } return super.getTableInfo(); } }