public Formation get(String s) { try { Connection connection = DataBaseManager.getConnection(); Statement statement = connection.createStatement(); ResultSet rs = statement.executeQuery("SELECT * FROM FORMATIONS \n" + "WHERE codeForm = '" + s + "'"); while (rs.next()) { TeachingUnitManager tum = new TeachingUnitManager(); TeacherManager tm = new TeacherManager(); Formation form = new Formation( rs.getString("Title"), rs.getString("Grade"), tm.get(rs.getString("Director"))); ResultSet rstu = statement.executeQuery( "SELECT * FROM FORMATIONS_TUS \n" + "WHERE codeForm = '" + s + "'"); while (rstu.next()) { TeachingUnit tu = tum.get(rstu.getString("codeTU")); form.addTeachingUnits(tu); } DataBaseManager.releaseConnection(connection); return form; } } catch (SQLException e) { e.printStackTrace(); } return null; }
public void delete(Formation formation) { String id = formation.getId(); try { Connection connection = DataBaseManager.getConnection(); Statement statement = connection.createStatement(); statement.execute("DELETE FROM FORMATIONS_TU \n" + "WHERE formation = '" + id + "'"); statement.execute("DELETE FROM FORMATIONS \n" + "WHERE codeForm = '" + id + "'"); DataBaseManager.releaseConnection(connection); } catch (SQLException e) { logger.warning("failed to delete : " + e); } }
public List<Formation> getAll() { List<Formation> formList = new ArrayList<Formation>(); try { Connection connection = DataBaseManager.getConnection(); Statement statement = connection.createStatement(); ResultSet rs = statement.executeQuery("SELECT * FROM FORMATIONS"); while (rs.next()) { Formation form = this.get(rs.getString("codeTU")); formList.add(form); } DataBaseManager.releaseConnection(connection); } catch (SQLException e) { e.printStackTrace(); return null; } return formList; }
public void insert(Formation formation) { String id = formation.getId(); String grade = formation.getGrade(); String label = formation.getLabel(); String director = formation.getDirector().getRuConnectionLogs().getEmail(); try { Connection connection = DataBaseManager.getConnection(); Statement statement = connection.createStatement(); String query = "INSERT INTO FORMATIONS (codeForm, title, grade, director) " + "VALUES ('" + id + "', '" + label + "', '" + grade + "', '" + director + "');"; statement.execute(query); for (TeachingUnit tu : formation.getTeachingUnits()) { String tuQuery = "INSERT INTO FORMATIONS_TUS (formation, tu) " + "VALUES ('" + id + "', '" + tu.getCode() + "');"; ; statement.execute(tuQuery); } DataBaseManager.releaseConnection(connection); } catch (SQLException e) { logger.warning("failed to insert this formation : \n" + e); } }