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.anfrage.fastlanereader; import java.math.BigDecimal; 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.anfrage.fastlanereader.generated.FLRAnfragepositionlieferdaten; import com.lp.server.anfrage.service.AnfrageServiceFac; import com.lp.server.anfrage.service.AnfragepositionFac; import com.lp.server.artikel.service.ArtikellieferantDto; 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> * FLR fuer ANF_ANFRAGEPOSITIONLIEFERDATEN * </p> * <p> * Copright Logistik Pur Software GmbH (c) 2004-2007 * </p> * <p> * Erstellungsdatum 17.06.05 * </p> * <p> * </p> * * @author Uli Walch * @version 1.0 */ public class AnfragepositionlieferdatenHandler extends UseCaseHandler { /** * */ private static final long serialVersionUID = 1L; public static final String FLR_ANFRAGEPOSITIONLIEFERDATEN = "flranfragepositionlieferdaten."; public static final String FLR_ANFRAGEPOSITIONLIEFERDATEN_FROM_CLAUSE = " from FLRAnfragepositionlieferdaten flranfragepositionlieferdaten "; 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 = AnfrageHandler.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()) { FLRAnfragepositionlieferdaten position = (FLRAnfragepositionlieferdaten) resultListIterator.next(); rows[row][col++] = position.getI_id(); rows[row][col++] = position.getN_anliefermenge(); rows[row][col++] = position.getFlranfrageposition().getFlrartikel().getEinheit_c_nr() == null ? "" : position.getFlranfrageposition().getFlrartikel().getEinheit_c_nr().trim(); String sIdentnummer = ""; if (position.getFlranfrageposition().getFlrartikel() != null) { sIdentnummer = position.getFlranfrageposition().getFlrartikel().getC_nr(); } rows[row][col++] = sIdentnummer; String cArtikelbezeichnung = null; Boolean bArtikellieferantVorhanden = false; if (position.getFlranfrageposition().getAnfragepositionart_c_nr() .equals(AnfrageServiceFac.ANFRAGEPOSITIONART_IDENT)) { // die sprachabhaengig Artikelbezeichnung anzeigen cArtikelbezeichnung = getArtikelFac().formatArtikelbezeichnungEinzeiligOhneExc( position.getFlranfrageposition().getFlrartikel().getI_id(), theClientDto.getLocUi()); ArtikellieferantDto alDto = getArtikelFac() .artikellieferantFindByArtikellIIdLieferantIIdOhneExc( position.getFlranfrageposition().getFlrartikel().getI_id(), position.getFlranfrageposition().getFlranfrage().getFlrlieferant().getI_id(), theClientDto); if (alDto != null) { bArtikellieferantVorhanden = true; } } else { if (position.getFlranfrageposition().getC_bez() != null) { cArtikelbezeichnung = position.getFlranfrageposition().getC_bez(); } } rows[row][col++] = cArtikelbezeichnung; rows[row][col++] = position.getN_nettogesamtpreis(); rows[row++][col++] = bArtikellieferantVorhanden; 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, he); } } return result; } 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_ANFRAGEPOSITIONLIEFERDATEN + 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_ANFRAGEPOSITIONLIEFERDATEN + 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_ANFRAGEPOSITIONLIEFERDATEN) // default Sortierung nach iSort .append(AnfragepositionFac.FLR_ANFRAGEPOSITIONLIEFERDATEN_FLRANFRAGEPOSITION).append(".") .append(AnfragepositionFac.FLR_ANFRAGEPOSITION_I_SORT).append(" ASC "); sortAdded = true; } if (orderBy.indexOf(FLR_ANFRAGEPOSITIONLIEFERDATEN + "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_ANFRAGEPOSITIONLIEFERDATEN).append("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_ANFRAGEPOSITIONLIEFERDATEN_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_ANFRAGEPOSITIONLIEFERDATEN + "i_id" + FLR_ANFRAGEPOSITIONLIEFERDATEN_FROM_CLAUSE + 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 { try { session.close(); } catch (HibernateException he) { throw new EJBExceptionLP(EJBExceptionLP.FEHLER, he); } } } 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) { setTableInfo(new TableInfo( new Class[] { Integer.class, BigDecimal.class, String.class, String.class, String.class, BigDecimal.class, Boolean.class }, new String[] { "i_id", // hier steht immer i_id oder c_nr getTextRespectUISpr("anf.anliefermenge", theClientDto.getMandant(), theClientDto.getLocUi()), getTextRespectUISpr("lp.einheit", theClientDto.getMandant(), theClientDto.getLocUi()), getTextRespectUISpr("lp.bezeichnung", theClientDto.getMandant(), theClientDto.getLocUi()), getTextRespectUISpr("lp.ident", theClientDto.getMandant(), theClientDto.getLocUi()), getTextRespectUISpr("anf.anlieferpreis", theClientDto.getMandant(), theClientDto.getLocUi()), getTextRespectUISpr("anfr.artiellieferant.bereitsvorhanden", theClientDto.getMandant(), theClientDto.getLocUi()) }, new int[] { QueryParameters.FLR_BREITE_SHARE_WITH_REST, // hidden QueryParameters.FLR_BREITE_M, QueryParameters.FLR_BREITE_XS, getUIBreiteIdent(), //ident QueryParameters.FLR_BREITE_SHARE_WITH_REST, QueryParameters.FLR_BREITE_M, QueryParameters.FLR_BREITE_S, }, new String[] { "i_id", AnfragepositionFac.FLR_ANFRAGEPOSITIONLIEFERDATEN_N_ANLIEFERMENGE, AnfragepositionFac.FLR_ANFRAGEPOSITIONLIEFERDATEN_FLRANFRAGEPOSITION + "." + AnfragepositionFac.FLR_ANFRAGEPOSITION_FLRARTIKEL + "." + AnfragepositionFac.FLR_ANFRAGEPOSITION_EINHEIT_C_NR, Facade.NICHT_SORTIERBAR, AnfragepositionFac.FLR_ANFRAGEPOSITIONLIEFERDATEN_FLRANFRAGEPOSITION + ".c_bez", // dummy AnfragepositionFac.FLR_ANFRAGEPOSITIONLIEFERDATEN_FLRANFRAGEPOSITION + "." + AnfragepositionFac.FLR_ANFRAGEPOSITION_N_RICHTPREIS, Facade.NICHT_SORTIERBAR })); } return super.getTableInfo(); } private static String buildReportWhereClause(FilterKriterium[] aFilterKriteriumI) { StringBuffer where = new StringBuffer(""); if (aFilterKriteriumI != null && aFilterKriteriumI.length > 0) { for (int i = 0; i < aFilterKriteriumI.length; i++) { if (aFilterKriteriumI[i].value != null) { where.append(FLR_ANFRAGEPOSITIONLIEFERDATEN + aFilterKriteriumI[i].kritName) .append(aFilterKriteriumI[i].operator).append(aFilterKriteriumI[i].value) .append(" AND "); } } } String whereString = ""; if (where.length() > 0) { where.insert(0, " WHERE "); whereString = where.substring(0, where.length() - 5); // dads letzte // " AND " // abschneiden } return whereString; } private static String buildReportOrderByClause(SortierKriterium[] aSortierKriteriumI) { StringBuffer orderby = new StringBuffer(""); if (aSortierKriteriumI != null && aSortierKriteriumI.length > 0) { for (int i = 0; i < aSortierKriteriumI.length; i++) { if (aSortierKriteriumI[i].value.equals("true")) { orderby.append(FLR_ANFRAGEPOSITIONLIEFERDATEN + aSortierKriteriumI[i].kritName + " ,"); } } } String orderbyString = ""; if (orderby.length() > 0) { orderby.insert(0, " ORDER BY "); orderbyString = orderby.substring(0, orderby.length() - 2); // das // letzte // " ," // abschneiden } return orderbyString; } }