Java tutorial
/* Copyright (C) 2015, University of Kansas Center for Research * * Specify Software Project, specify@ku.edu, Biodiversity Institute, * 1345 Jayhawk Boulevard, Lawrence, Kansas, 66045, USA * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ package edu.ku.brc.specify.dbsupport; import java.sql.Connection; import java.sql.ResultSet; import java.sql.SQLException; import java.sql.Statement; import java.util.Properties; import java.util.Vector; import org.apache.log4j.Logger; import org.hibernate.Session; import edu.ku.brc.af.core.AppContextMgr; import edu.ku.brc.af.core.db.AutoNumberGeneric; import edu.ku.brc.af.ui.forms.formatters.UIFieldFormatterIFace; import edu.ku.brc.dbsupport.DBConnection; import edu.ku.brc.specify.datamodel.AutoNumberingScheme; import edu.ku.brc.specify.datamodel.Collection; import edu.ku.brc.specify.datamodel.CollectionObject; import edu.ku.brc.util.Pair; /** * Note: 'getHighestObject' from the base class never gets called. This class' getHighestObject gets called directly from * the owning object which is CatalogNumberUIFieldFormatter. This only * * @author rod * * @code_status Beta * * Jun 20, 2007 * */ public class CollectionAutoNumber extends AutoNumberGeneric { protected static final Logger log = Logger.getLogger(CollectionAutoNumber.class); /** * Default Constructor. */ public CollectionAutoNumber() { super(); classObj = CollectionObject.class; fieldName = "catalogNumber"; } /** * Constructor with args. * @param properties the args */ public CollectionAutoNumber(final Properties properties) { super(properties); } /* (non-Javadoc) * @see edu.ku.brc.af.core.db.AutoNumberGeneric#getHighestObject(edu.ku.brc.af.ui.forms.formatters.UIFieldFormatterIFace, org.hibernate.Session, java.lang.String, edu.ku.brc.util.Pair, edu.ku.brc.util.Pair) */ @Override protected String getHighestObject(final UIFieldFormatterIFace formatter, final Session session, final String value, final Pair<Integer, Integer> yearPos, final Pair<Integer, Integer> pos) throws Exception { boolean doDebug = false; Collection currCol = AppContextMgr.getInstance().getClassObject(Collection.class); AutoNumberingScheme catNumScheme = currCol.getNumberingSchemesByType(CollectionObject.getClassTableId()); if (catNumScheme == null) { throw new RuntimeException("The Catalog Numbering Scheme cannot be null! Collection Table ID: " + CollectionObject.getClassTableId()); } catNumScheme = (AutoNumberingScheme) session.merge(catNumScheme); if (doDebug) System.out.println("CatNumScheme: " + catNumScheme.getSchemeName()); Vector<Integer> ids = new Vector<Integer>(); for (Collection collection : catNumScheme.getCollections()) { if (doDebug) System.out.println( "adding ID: " + collection.getCollectionId() + " " + collection.getCollectionName()); ids.add(collection.getCollectionId()); } StringBuilder sb = new StringBuilder( "SELECT CatalogNumber FROM collectionobject WHERE CollectionMemberID IN ("); Connection conn = null; Statement stmt = null; for (int i = 0; i < ids.size(); i++) { if (i > 0) sb.append(','); sb.append(ids.get(i)); } sb.append(") ORDER BY CatalogNumber DESC"); log.debug(sb.toString()); try { conn = DBConnection.getInstance().getConnection(); stmt = conn.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE, ResultSet.CONCUR_READ_ONLY); ResultSet rs = stmt.executeQuery(sb.toString()); String catNum = null; if (rs.next()) { catNum = rs.getString(1); } rs.close(); return catNum; } catch (SQLException e) { edu.ku.brc.af.core.UsageTracker.incrSQLUsageCount(); edu.ku.brc.exceptions.ExceptionTracker.getInstance().capture(CollectionAutoNumber.class, e); log.error("Exception caught: " + e); //$NON-NLS-1$ e.printStackTrace(); } finally { try { if (stmt != null) stmt.close(); } catch (SQLException e) { edu.ku.brc.af.core.UsageTracker.incrSQLUsageCount(); edu.ku.brc.exceptions.ExceptionTracker.getInstance().capture(CollectionAutoNumber.class, e); log.error("Exception caught: " + e.toString()); //$NON-NLS-1$ e.printStackTrace(); } } return null; } }