| /******************************************************************************* |
| * Copyright (c) 2009 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| * Zend Technologies |
| *******************************************************************************/ |
| package org.eclipse.dltk.internal.core.index.sql.h2; |
| |
| import java.sql.Connection; |
| import java.sql.PreparedStatement; |
| import java.sql.ResultSet; |
| import java.sql.SQLException; |
| import java.sql.Statement; |
| |
| import org.eclipse.dltk.core.index.sql.Container; |
| import org.eclipse.dltk.core.index.sql.IContainerDao; |
| |
| /** |
| * Container path data access object |
| * |
| * @author michael |
| * |
| */ |
| public class H2ContainerDao implements IContainerDao { |
| |
| private static final String Q_INSERT = "INSERT INTO CONTAINERS(PATH) VALUES(?);"; //$NON-NLS-1$ |
| private static final String Q_SELECT_BY_PATH = "SELECT * FROM CONTAINERS WHERE PATH=?;"; //$NON-NLS-1$ |
| private static final String Q_SELECT_BY_ID = "SELECT * FROM CONTAINERS WHERE ID=?;"; //$NON-NLS-1$ |
| private static final String Q_DELETE_BY_PATH = "DELETE FROM CONTAINERS WHERE PATH=?;"; //$NON-NLS-1$ |
| private static final String Q_DELETE_BY_ID = "DELETE FROM CONTAINERS WHERE ID=?;"; //$NON-NLS-1$ |
| |
| public Container insert(Connection connection, String path) |
| throws SQLException { |
| |
| Container container = selectByPath(connection, path); |
| if (container != null) { |
| return container; |
| } |
| |
| PreparedStatement statement = connection.prepareStatement(Q_INSERT, |
| Statement.RETURN_GENERATED_KEYS); |
| try { |
| int param = 0; |
| statement.setString(++param, path); |
| statement.executeUpdate(); |
| |
| ResultSet result = statement.getGeneratedKeys(); |
| try { |
| result.next(); |
| container = new Container(result.getInt(1), path); |
| H2Cache.addContainer(container); |
| } finally { |
| result.close(); |
| } |
| } finally { |
| statement.close(); |
| } |
| return container; |
| } |
| |
| public Container selectByPath(Connection connection, String path) |
| throws SQLException { |
| |
| Container container = H2Cache.selectContainerByPath(path); |
| if (container != null) { |
| return container; |
| } |
| |
| PreparedStatement statement = connection |
| .prepareStatement(Q_SELECT_BY_PATH); |
| try { |
| int param = 0; |
| statement.setString(++param, path); |
| ResultSet result = statement.executeQuery(); |
| try { |
| if (result.next()) { |
| container = new Container(result.getInt(1), |
| result.getString(2)); |
| |
| H2Cache.addContainer(container); |
| } |
| } finally { |
| result.close(); |
| } |
| } finally { |
| statement.close(); |
| } |
| return container; |
| } |
| |
| public Container selectById(Connection connection, int id) |
| throws SQLException { |
| |
| Container container = H2Cache.selectContainerById(id); |
| if (container != null) { |
| return container; |
| } |
| |
| PreparedStatement statement = connection |
| .prepareStatement(Q_SELECT_BY_ID); |
| try { |
| int param = 0; |
| statement.setInt(++param, id); |
| ResultSet result = statement.executeQuery(); |
| try { |
| if (result.next()) { |
| container = new Container(result.getInt(1), |
| result.getString(2)); |
| |
| H2Cache.addContainer(container); |
| } |
| } finally { |
| result.close(); |
| } |
| } finally { |
| statement.close(); |
| } |
| return container; |
| } |
| |
| public void deleteById(Connection connection, int id) throws SQLException { |
| PreparedStatement statement = connection |
| .prepareStatement(Q_DELETE_BY_ID); |
| try { |
| int param = 0; |
| statement.setInt(++param, id); |
| statement.executeUpdate(); |
| } finally { |
| statement.close(); |
| } |
| |
| H2Cache.deleteContainerById(id); |
| } |
| |
| public void deleteByPath(Connection connection, String path) |
| throws SQLException { |
| PreparedStatement statement = connection |
| .prepareStatement(Q_DELETE_BY_PATH); |
| try { |
| int param = 0; |
| statement.setString(++param, path); |
| statement.executeUpdate(); |
| } finally { |
| statement.close(); |
| } |
| |
| H2Cache.deleteContainerByPath(path); |
| } |
| } |