/* * Copyright 2013 Simon Thiel * * This file is part of SitJar. * * SitJar is free software: you can redistribute it and/or modify * it under the terms of the GNU LESSER GENERAL PUBLIC LICENSE as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * SitJar 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 Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with SitJar. If not, see <http://www.gnu.org/licenses/lgpl.txt>. */ package sit.db; import java.sql.DatabaseMetaData; import java.sql.PreparedStatement; import java.sql.SQLException; import java.sql.Statement; import java.util.ArrayList; import java.util.logging.Level; import java.util.logging.Logger; /** * * @author simon */ public class Connection { private final java.sql.Connection con; private final ArrayList<Statement> statements = new ArrayList(); public Connection(java.sql.Connection con) { this.con = con; } protected synchronized void closeAndClearStatements() throws SQLException{ for (Statement stmt: statements){ stmt.close(); } statements.clear(); } public synchronized PreparedStatement createPrepStmt(String sql, int autoGeneratedKeys) throws SQLException { PreparedStatement result = con.prepareStatement(sql, autoGeneratedKeys); statements.add(result); return result; } public synchronized PreparedStatement createPrepStmt(String sql) throws SQLException{ PreparedStatement result = con.prepareStatement(sql); statements.add(result); return result; } public synchronized Statement createStatement() throws SQLException { Statement result = con.createStatement(); statements.add(result); return result; } public DatabaseMetaData getMetaData() throws SQLException { return con.getMetaData(); } void shutdown() { try{ closeAndClearStatements(); } catch (SQLException ex) { Logger.getLogger(Connection.class.getName()).log(Level.SEVERE, null, ex); }finally{ try { con.close(); } catch (SQLException ex) { Logger.getLogger(Connection.class.getName()).log(Level.SEVERE, null, ex); } } } }