2 * Copyright (C) 2015 Roland Haeder
4 * This program is free software: you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation, either version 3 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program. If not, see <http://www.gnu.org/licenses/>.
17 package org.mxchange.pizzaapplication.database.frontend.product;
19 import java.io.IOException;
20 import java.sql.SQLException;
21 import java.text.MessageFormat;
22 import java.util.Iterator;
23 import org.mxchange.jcore.criteria.searchable.SearchCriteria;
24 import org.mxchange.jcore.criteria.searchable.SearchableCritera;
25 import org.mxchange.jcore.database.frontend.BaseDatabaseFrontend;
26 import org.mxchange.jcore.database.result.Result;
27 import org.mxchange.jcore.database.storage.Storeable;
28 import org.mxchange.jcore.exceptions.BadTokenException;
29 import org.mxchange.jcore.exceptions.UnsupportedDatabaseBackendException;
30 import org.mxchange.pizzaapplication.database.product.PizzaProductDatabaseConstants;
31 import org.mxchange.pizzaapplication.product.Product;
34 * Stores and retrieves Contact instances
36 * @author Roland Haeder
38 public class PizzaProductDatabaseFrontend extends BaseDatabaseFrontend implements ProductFrontend {
42 * @throws org.mxchange.jcore.exceptions.UnsupportedDatabaseBackendException If the configured backend is not supported
43 * @throws java.sql.SQLException If any SQL error occurs
45 public PizzaProductDatabaseFrontend () throws UnsupportedDatabaseBackendException, SQLException {
47 this.getLogger().trace("CALLED!"); //NOI18N
50 this.setTableName("products"); //NOI18N
57 * Shuts down the database layer
59 * @throws java.sql.SQLException If an SQL error occurs
60 * @throws java.io.IOException If any IO error occurs
63 public void doShutdown () throws SQLException, IOException {
65 this.getLogger().trace("CALLED!"); //NOI18N
68 this.getBackend().doShutdown();
71 this.getLogger().trace("EXIT!"); //NOI18N
75 * An iterator on all products
77 * @return Iterator on all products
78 * @throws org.mxchange.jcore.exceptions.BadTokenException
79 * @throws java.io.IOException If any IO error occurs
82 @SuppressWarnings ("unchecked")
83 public Iterator<Product> getProducts () throws IOException, BadTokenException {
85 this.getLogger().trace("CALLED!"); //NOI18N
87 // Instance search criteria
88 SearchableCritera critera = new SearchCriteria();
91 critera.addCriteria(PizzaProductDatabaseConstants.COLUMN_AVAILABLE, true);
94 Result<? extends Storeable> result = this.getBackend().doSelectByCriteria(critera);
97 this.getLogger().debug(MessageFormat.format("result={0}", result)); //NOI18N
100 Iterator<?> iterator = result.iterator();
103 this.getLogger().trace(MessageFormat.format("iterator={0} - EXIT!", iterator)); //NOI18N
105 // Get iterator and return it
106 return (Iterator<Product>) iterator;
110 * Parses given line from database backend into a Storeable instance. Please
111 * note that not all backends need this.
113 * @param line Line from database backend
114 * @return A Storeable instance
117 public Storeable parseLineToStoreable (final String line) throws BadTokenException {
119 this.getLogger().trace(MessageFormat.format("line={0} - CALLED!", line)); //NOI18N
122 Product product = this.parseLineToProduct(line);
125 this.getLogger().trace(MessageFormat.format("product={0} - EXIT!", product)); //NOI18N
132 * Parses given line to a Product instance
135 * @return A Product instance from given line
137 private Product parseLineToProduct (final String line) {
138 throw new UnsupportedOperationException(MessageFormat.format("Not supported yet: line={0}", line)); //NOI18N