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.projekt.fastlanereader; import java.util.Date; import java.util.Iterator; import java.util.List; import java.util.Locale; import org.hibernate.HibernateException; import org.hibernate.Query; import org.hibernate.ScrollableResults; import org.hibernate.Session; import org.hibernate.SessionFactory; import com.lp.server.partner.service.PartnerFac; import com.lp.server.projekt.fastlanereader.generated.FLRProjektQueue; import com.lp.server.projekt.service.ProjektFac; import com.lp.server.system.pkgenerator.format.LpBelegnummerFormat; 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; /** * <p> * Diese Klasse kuemmert sich um ... * </p> * * <p> * Copyright Logistik Pur Software GmbH (c) 2004-2007 * </p> * * <p> * Erstellung: Vorname Nachname; dd.mm.06 * </p> * * <p> * * @author $Author: christian $ * </p> * * @version not attributable Date $Date: 2011/01/10 07:13:59 $ */ public class ProjektQueueHandler extends UseCaseHandler { /** * */ private static final long serialVersionUID = 1L; public static final String FLR_PROJEKT = "projekt."; public static final String FLR_PROJEKT_FROM_CLAUSE = " from FLRProjektQueue projekt "; /** * @todo VF->VF -> Query von client abschicken. */ public static String lastQuery = ""; 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; long startIndex = Math.max(rowIndex.intValue() - (pageSize / 2), 0); long endIndex = startIndex + pageSize - 1; session = factory.openSession(); String queryString = getFromClause() + buildWhereClause() + buildOrderByClause(); lastQuery = queryString; Query query = session.createQuery(queryString); query.setFirstResult((int) startIndex); query.setMaxResults(pageSize); List<?> resultList = query.list(); Iterator<?> resultListIterator = resultList.iterator(); Object[][] rows = new Object[resultList.size()][colCount]; String[] tooltipData = new String[resultList.size()]; String sProjekt = getTextRespectUISpr("proj.projekt", theClientDto.getMandant(), theClientDto.getLocUi()); int row = 0; int col = 0; while (resultListIterator.hasNext()) { // flrjoin: 1 FLRProjektQueue projekt = (FLRProjektQueue) resultListIterator.next(); rows[row][col++] = projekt.getI_id(); rows[row][col++] = projekt.getC_nr(); rows[row][col++] = projekt.getFlrpartner().getC_name1nachnamefirmazeile1(); rows[row][col++] = projekt.getKategorie_c_nr().trim(); rows[row][col++] = projekt.getC_titel(); rows[row][col++] = projekt.getTyp_c_nr(); rows[row][col++] = projekt.getI_prio(); rows[row][col++] = projekt.getStatus_c_nr().trim(); rows[row][col++] = projekt.getT_zielwunschdatum(); rows[row][col++] = projekt.getD_dauer(); Double ddArbeitszeitist = getZeiterfassungFac().getSummeZeitenEinesBeleges( LocaleFac.BELEGART_PROJEKT, projekt.getI_id(), null, null, null, null, theClientDto); rows[row][col++] = ddArbeitszeitist; rows[row][col++] = Helper.short2Boolean(projekt.getB_verrechenbar()); if (projekt.getX_freetext() != null) { String text = "<b>" + sProjekt + " " + projekt.getC_nr() + ":</b>\n" + projekt.getX_freetext(); text = text.replaceAll("\n", "<br>"); text = "<html>" + text + "</html>"; tooltipData[row] = text; } row++; col = 0; } result = new QueryResult(rows, getRowCount(), startIndex, endIndex, 0, tooltipData); } 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; } /** * get the basic from clause for the HQL statement. * * @return the from clause. */ private String getFromClause() { return "from FLRProjektQueue projekt "; } 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(e); } finally { if (session != null) { try { session.close(); } catch (HibernateException he) { throw new EJBExceptionLP(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; // wenn nach der c_nr gefilter wird, wird das kriterium // veraendert if (filterKriterien[i].kritName.equals("c_nr")) { try { String sValue = super.buildWhereBelegnummer(filterKriterien[i], false); // Belegnummernsuche auch in "altem" Jahr, wenn im // neuen noch keines vorhanden ist if (!istBelegnummernInJahr("FLRProjekt", sValue)) { sValue = super.buildWhereBelegnummer(filterKriterien[i], true); } where.append(" " + FLR_PROJEKT + filterKriterien[i].kritName); where.append(" " + filterKriterien[i].operator); where.append(" " + sValue); } catch (Exception ex) { throw new EJBExceptionLP(EJBExceptionLP.FEHLER_FLR, ex); } } else if (filterKriterien[i].kritName.equals("c_suche")) { if (filterKriterien[i].isBIgnoreCase()) { where.append(" lower(" + FLR_PROJEKT + ProjektFac.FLR_PROJEKT_FLRPROJEKTTEXTSUCHE + "." + filterKriterien[i].kritName + ")"); } else { where.append(" " + FLR_PROJEKT + ProjektFac.FLR_PROJEKT_FLRPROJEKTTEXTSUCHE + "." + filterKriterien[i].kritName); } where.append(" " + filterKriterien[i].operator); if (filterKriterien[i].isBIgnoreCase()) { where.append(" " + filterKriterien[i].value.toLowerCase()); } else { where.append(" " + filterKriterien[i].value); } } else { if (filterKriterien[i].isBIgnoreCase()) { where.append(" lower(" + FLR_PROJEKT + filterKriterien[i].kritName + ")"); } else { where.append(" " + FLR_PROJEKT + 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(); } 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 projekt.i_id " + this.getFromClause() + 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 { 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; } /** * 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_PROJEKT + 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_PROJEKT).append("i_sort ASC"); // t_zielwunschdatum // und // i_prio sortAdded = true; } if (orderBy.indexOf(FLR_PROJEKT + ProjektFac.FLR_PROJEKT_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_PROJEKT).append(ProjektFac.FLR_PROJEKT_I_ID).append(" ASC "); sortAdded = true; } if (sortAdded) { orderBy.insert(0, " ORDER BY "); } } return orderBy.toString(); } public TableInfo getTableInfo() { if (super.getTableInfo() == null) { String mandantCNr = theClientDto.getMandant(); String sortierungNachPartner = Facade.NICHT_SORTIERBAR; Locale locUI = theClientDto.getLocUi(); if (SORTIERUNG_UI_PARTNER_ORT) { sortierungNachPartner = ProjektFac.FLR_PROJEKT_FLRPARTNER + "." + PartnerFac.FLR_PARTNER_C_NAME1NACHNAMEFIRMAZEILE1; } setTableInfo(new TableInfo(new Class[] { Integer.class, // i_id String.class, // c_nr String.class, // firma String.class, // kategorie String.class, // titel String.class, // typ Integer.class, // prio String.class, // status Date.class, // termin Double.class, // schaetzung Double.class, // dauer Boolean.class }, new String[] { "i_id", getTextRespectUISpr("proj.nr", mandantCNr, locUI), getTextRespectUISpr("lp.firma_nachname", mandantCNr, locUI), getTextRespectUISpr("proj.kategorie", mandantCNr, locUI), getTextRespectUISpr("proj.titel", mandantCNr, locUI), getTextRespectUISpr("lp.typ", mandantCNr, locUI), getTextRespectUISpr("proj.prio", mandantCNr, locUI), getTextRespectUISpr("lp.status", mandantCNr, locUI), getTextRespectUISpr("lp.termin", mandantCNr, locUI), getTextRespectUISpr("proj.schaetzung", mandantCNr, locUI), getTextRespectUISpr("lp.dauer", mandantCNr, locUI), getTextRespectUISpr("proj.label.verrechenbar", mandantCNr, locUI) }, new int[] { QueryParameters.FLR_BREITE_SHARE_WITH_REST, // i_id QueryParameters.FLR_BREITE_M, // c_nr QueryParameters.FLR_BREITE_SHARE_WITH_REST, // partner_i_id QueryParameters.FLR_BREITE_M, // kategorieCNr QueryParameters.FLR_BREITE_SHARE_WITH_REST, // c_titel QueryParameters.FLR_BREITE_M, // typCNr QueryParameters.FLR_BREITE_XS, // i_prio QueryParameters.FLR_BREITE_SHARE_WITH_REST, // statusCNr QueryParameters.FLR_BREITE_M, // termin QueryParameters.FLR_BREITE_XS, //dauer QueryParameters.FLR_BREITE_XS, //dauer QueryParameters.FLR_BREITE_XS,//verrechenbar /* QueryParameters.FLR_BREITE_SHARE_WITH_REST, QueryParameters.FLR_BREITE_M, QueryParameters.FLR_BREITE_XM, QueryParameters.FLR_BREITE_M, QueryParameters.FLR_BREITE_SHARE_WITH_REST, QueryParameters.FLR_BREITE_S, QueryParameters.FLR_BREITE_M, QueryParameters.FLR_BREITE_M, QueryParameters.FLR_BREITE_M, QueryParameters.FLR_BREITE_M, QueryParameters.FLR_BREITE_M, */ }, new String[] { ProjektFac.FLR_PROJEKT_I_ID, ProjektFac.FLR_PROJEKT_C_NR, sortierungNachPartner, ProjektFac.FLR_PROJEKT_KATEGORIE_C_NR, ProjektFac.FLR_PROJEKT_C_TITEL, ProjektFac.FLR_PROJEKT_TYP_C_NR, ProjektFac.FLR_PROJEKT_I_PRIO, ProjektFac.FLR_PROJEKT_STATUS_C_NR, ProjektFac.FLR_PROJEKT_T_ZIELDATUM, ProjektFac.FLR_PROJEKT_D_DAUER, Facade.NICHT_SORTIERBAR, Facade.NICHT_SORTIERBAR })); } return super.getTableInfo(); } }