Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package com.mmone.gpdati.allotment; import com.mmone.gpdati.config.GpDatiDbRoomMap; import com.mmone.gpdati.config.GpDatiRoomRecord; import com.mmone.hsqldb.Database; import java.sql.SQLException; import java.util.Hashtable; import java.util.List; import java.util.logging.Level; import java.util.logging.Logger; import org.apache.commons.dbutils.ResultSetHandler; import org.apache.commons.dbutils.handlers.BeanListHandler; /** * * @author mauro.larese */ public class GpDatiDbDispoMap extends Hashtable<String, GpDatiDispoRecord> { Database database; public GpDatiDbDispoMap(Database database) { this.database = database; try { loadAll(); } catch (SQLException ex) { Logger.getLogger(GpDatiDispoRecord.class.getName()).log(Level.SEVERE, null, ex); } } private void loadAll() throws SQLException { String query = "SELECT * FROM PUBLIC.GPDATI_DISPO"; ResultSetHandler<List<GpDatiDispoRecord>> h = new BeanListHandler<GpDatiDispoRecord>( GpDatiDispoRecord.class); List<GpDatiDispoRecord> recs = database.getQueryRunner().query(query, h); for (GpDatiDispoRecord rec : recs) { this.put(rec.getKey(), rec); } } }