Java Code Examples for javax.sql.DataSource#getConnection()
The following examples show how to use
javax.sql.DataSource#getConnection() .
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Example 1
Source File: RegistrationDAO.java From primefaces-blueprints with The Unlicense | 8 votes |
public RegistrationDAO() throws SQLException { try { Context ctx = new InitialContext(); ds = (DataSource) ctx.lookup("java:comp/env/jdbc/blueprintsdb"); if (ds == null) throw new SQLException("Can't get data source"); // get database connection con = ds.getConnection(); if (con == null) throw new SQLException("Can't get database connection"); } catch (NamingException e) { e.printStackTrace(); } }
Example 2
Source File: TestDatabase.java From sis with Apache License 2.0 | 8 votes |
/** * Creates a in-memory database on HSQLDB. The database can optionally use a connection pool. * The test method can set {@code pooled} to {@code true} if it needs the data to survive when * the connection is closed and re-opened. * * @param name the database name (without {@code "jdbc:hsqldb:mem:"} prefix). * @param pooled whether the database should use a connection pool. * @return connection to the test database. * @throws SQLException if an error occurred while creating the database. * * @see <a href="http://hsqldb.org/doc/apidocs/org/hsqldb/jdbc/JDBCDataSource.html">JDBC data source for HSQL</a> * * @since 1.0 */ public static TestDatabase createOnHSQLDB(final String name, final boolean pooled) throws SQLException { final DataSource ds; final JDBCPool pool; final String url = "jdbc:hsqldb:mem:".concat(name); if (pooled) { pool = new JDBCPool(); pool.setURL(url); ds = pool; } else { final JDBCDataSource simple = new JDBCDataSource(); simple.setURL(url); ds = simple; pool = null; } return new TestDatabase(ds) { @Override public void close() throws SQLException { try (Connection c = ds.getConnection(); Statement s = c.createStatement()) { s.execute("SHUTDOWN"); } if (pool != null) { pool.close(2); } } }; }
Example 3
Source File: LimitTest.java From Zebra with Apache License 2.0 | 6 votes |
@Test public void testLimit2_2() throws Exception { DataSource ds = (DataSource) context.getBean("zebraDS"); Connection conn = null; try { conn = ds.getConnection(); PreparedStatement stmt = conn.prepareStatement("select name from test limit 10,?"); stmt.setInt(1, 5); stmt.execute(); ResultSet rs = stmt.getResultSet(); List<String> rows = new ArrayList<String>(); while (rs.next()) { rows.add(rs.getString("name")); } Assert.assertEquals(5, rows.size()); } catch (Exception e) { Assert.fail(); } finally { if (conn != null) { conn.close(); } } }
Example 4
Source File: SingleDBPreparedStatementLifeCycleTest.java From Zebra with Apache License 2.0 | 6 votes |
@Test public void testMultiRouterResult13_1() throws Exception { DataSource ds = (DataSource) context.getBean("zebraDS"); Connection conn = null; try { conn = ds.getConnection(); PreparedStatement stmt = conn.prepareStatement("select sum(score) score from test where id = ?"); stmt.setInt(1, 1); stmt.execute(); ResultSet rs = stmt.getResultSet(); List<Long> rows = new ArrayList<Long>(); while (rs.next()) { rows.add(rs.getLong("score")); } Assert.assertEquals(1, rows.size()); Assert.assertEquals(5, rows.get(0).intValue()); } catch (Exception e) { Assert.fail(); } finally { if (conn != null) { conn.close(); } } }
Example 5
Source File: MultiDBPreparedStatementLifeCycleTest.java From Zebra with Apache License 2.0 | 6 votes |
@Test public void testMultiRouterResult4() throws Exception { DataSource ds = (DataSource) context.getBean("zebraDS"); Connection conn = null; try { conn = ds.getConnection(); PreparedStatement stmt = conn.prepareStatement("select score from test where id!=1 order by score desc"); stmt.execute(); ResultSet rs = stmt.getResultSet(); List<Integer> rows = new ArrayList<Integer>(); while (rs.next()) { rows.add(rs.getInt("score")); } Assert.assertEquals(14, rows.size()); List<Integer> expectedResult = Arrays.asList(new Integer[]{20,8,8,7,7,6,6,5,5,4,3,3,1,1}); for (int i = 0; i < expectedResult.size(); i++) { Assert.assertEquals(expectedResult.get(i).intValue(), rows.get(i).intValue()); } } catch (Exception e) { Assert.fail(); } finally { if (conn != null) { conn.close(); } } }
Example 6
Source File: MultiDBLifeCycleTest.java From Zebra with Apache License 2.0 | 6 votes |
@Test public void testMultiRouterResult11() throws Exception { DataSource ds = (DataSource) context.getBean("zebraDS"); Connection conn = null; try { conn = ds.getConnection(); Statement stmt = conn.createStatement(); stmt.execute("select name from test"); ResultSet rs = stmt.getResultSet(); List<String> rows = new ArrayList<String>(); while (rs.next()) { rows.add(rs.getString("name")); } Assert.assertEquals(17, rows.size()); } catch (Exception e) { Assert.fail(); } finally { if (conn != null) { conn.close(); } } }
Example 7
Source File: MigrationIT.java From digdag with Apache License 2.0 | 6 votes |
/** * Check session_attempts_on_site_id_and_state_flags_partial_2 index exists * @throws Exception */ @Test public void checkMigration_20190318175338_AddIndexToSessionAttempts() { assumeTrue(server.isRemoteDatabase()); try { server.start(); DataSource ds = server.getTestDBDataSource(); Connection con = ds.getConnection(); con.createStatement().execute("drop index session_attempts_on_site_id_and_state_flags_partial_2"); } catch (Exception e) { fail(e.toString()); } }
Example 8
Source File: HalfCreatedDatabaseTest.java From spliceengine with GNU Affero General Public License v3.0 | 6 votes |
/** * Verify that a user data dir (in this case empty) throws the old message * */ public void test_5526() throws SQLException { String mydatadirStr = BaseTestCase.getSystemProperty("derby.system.home") + File.separator + "mydatadir"; File mydatadir = new File(mydatadirStr); assertTrue(mydatadir.mkdir()); DataSource ds = JDBCDataSource.getDataSource(mydatadirStr); JDBCDataSource.setBeanProperty(ds, "createDatabase", "create"); try { ds.getConnection(); fail("Should not be able to create database on existing directory " + mydatadirStr); } catch (SQLException se) { // should be nested exception XJ041 -> XBM0J (Directory exists) assertSQLState("XJ041",se); se = se.getNextException(); assertSQLState("XBM0J",se); } finally { BaseTestCase.removeDirectory(mydatadir); } }
Example 9
Source File: Main.java From sharding-jdbc-1.5.1 with Apache License 2.0 | 6 votes |
private static void printSimpleSelect(final DataSource dataSource) throws SQLException { String sql = "SELECT i.* FROM t_order o JOIN t_order_item i ON o.order_id=i.order_id WHERE o.user_id=? AND o.order_id=?"; try ( Connection conn = dataSource.getConnection(); PreparedStatement preparedStatement = conn.prepareStatement(sql)) { preparedStatement.setInt(1, 10); preparedStatement.setInt(2, 1001); try (ResultSet rs = preparedStatement.executeQuery()) { while (rs.next()) { System.out.println(rs.getInt(1)); System.out.println(rs.getInt(2)); System.out.println(rs.getInt(3)); } } } }
Example 10
Source File: ShardConcurrencyTest.java From Zebra with Apache License 2.0 | 6 votes |
@Before public void init() throws SQLException { String sql = "INSERT INTO Tb (id, uid, name) VALUES (?,?,?),(?,?,?),(?,?,?),(?,?,?),(?,?,?),(?,?,?),(?,?,?),(?,?,?),(?,?,?),(?,?,?)"; DataSource ds = getDataSource(); Connection conn = ds.getConnection(); for (int i = 0; i < 8; ++i) { PreparedStatement pst = conn.prepareStatement(sql); for (int j = 1; j <= 10; ++j) { pst.setInt(3*(j-1)+1, j); pst.setInt(3*(j-1)+2, j*8+i); pst.setString(3*(j-1)+3, "Tb-"+i+"-"+j); } pst.executeUpdate(); pst.close(); } conn.close(); }
Example 11
Source File: H2Dialect.java From copper-engine with Apache License 2.0 | 6 votes |
public static void checkAndCreateSchema(DataSource ds) throws SQLException, IOException { Connection c = ds.getConnection(); try { if (tablesExist(c)) { logger.info("COPPER schema already exists"); return; } logger.info("Creating COPPER schema..."); String sql = getResourceAsString(H2Dialect.class, "/h2/create-schema.sql"); Statement stmt = c.createStatement(); try { stmt.execute(sql); } finally { stmt.close(); } } finally { c.close(); } logger.info("Created COPPER schema."); }
Example 12
Source File: SingleDBLifeCycleTest.java From Zebra with Apache License 2.0 | 6 votes |
@Test public void testDelete() throws Exception { DataSource ds = (DataSource) context.getBean("zebraDS"); Connection conn = null; try { conn = ds.getConnection(); Statement stmt = conn.createStatement(); stmt.execute("delete from test where name='leo0'"); Statement stmt2 = conn.createStatement(); stmt2.execute("select name from test where name='leo0'"); ResultSet rs = stmt2.getResultSet(); while (rs.next()) { Assert.fail(); } Assert.assertTrue(true); } catch (Exception e) { Assert.fail(); } finally { if (conn != null) { conn.close(); } } }
Example 13
Source File: TestServer.java From light-oauth2 with Apache License 2.0 | 6 votes |
private TestServer() { DataSource ds = (DataSource) SingletonServiceFactory.getBean(DataSource.class); try (Connection connection = ds.getConnection()) { String schemaResourceName = "/create_h2.sql"; InputStream in = TestServer.class.getResourceAsStream(schemaResourceName); if (in == null) { throw new RuntimeException("Failed to load resource: " + schemaResourceName); } InputStreamReader reader = new InputStreamReader(in, UTF_8); RunScript.execute(connection, reader); } catch (SQLException e) { e.printStackTrace(); } }
Example 14
Source File: DBUtils.java From FoxBPM with Apache License 2.0 | 5 votes |
public static Connection getConnection(String key){ DataSource dataSource = getDataSource(key); if(dataSource == null){ throw ExceptionUtil.getException("没有可用的数据源配置!"); } try { return dataSource.getConnection(); } catch (SQLException e) { throw ExceptionUtil.getException("获取数据库连接:"+key+" 出错",e); } }
Example 15
Source File: CustomInjection.java From Android_Code_Arbiter with GNU Lesser General Public License v3.0 | 5 votes |
public void testQueries(DataSource dataSource, String input) throws SQLException { String sql = "select * from Users where name = " + input; Connection connection = dataSource.getConnection(); try { MySqlWrapper wrapper = new MySqlWrapper(connection); ResultSet resultSet = wrapper.executeQuery(sql); System.out.println(resultSet.next()); } finally { connection.close(); } }
Example 16
Source File: AuthenticationTest.java From gemfirexd-oss with Apache License 2.0 | 5 votes |
protected void assertSystemShutdownOK( String dbName, String user, String password) throws SQLException { DataSource ds; if (usingEmbedded()) { // we cannot use JDBCDataSource.getDataSource() (which uses the // default database name), unless we specifically clear the // databaseName. Otherwise, only the database will be shutdown. // The alternative is to use jDBCDataSource.getDatasource(dbName), // where dbName is an empty string - this will in the current code // be interpreted as a system shutdown. ds = JDBCDataSource.getDataSource(); JDBCDataSource.clearStringBeanProperty(ds, "databaseName"); } else { // With client, we cannot user clearStringBeanProperty on the // databaseName, that will result in error 08001 - // Required DataSource property databaseName not set. // So, we pass an empty string as databaseName, which the current // code interprets as a system shutdown. ds = JDBCDataSource.getDataSource(dbName); } JDBCDataSource.setBeanProperty(ds, "shutdownDatabase", "shutdown"); try { ds.getConnection(user, password); fail("expected system shutdown resulting in XJ015 error"); } catch (SQLException e) { // expect XJ015, system shutdown, on successful shutdown assertSQLState("XJ015", e); } }
Example 17
Source File: ServicePropertiesFileTest.java From spliceengine with GNU Affero General Public License v3.0 | 5 votes |
/** * Ensures that Derby can handle the case where the backup file already * exists when editing the service properties. */ public void testBackupWithBackupExisting() throws IOException, SQLException { // Prepare String db = "spfTestBWBE"; copyDbAs(db); assertPresence(true, false); // Make sure 'db.storage.logArchiveMode' isn't present already. assertEquals(0, grepForToken(LOG_A_MODE, spf)); // Connect, then enable log archive mode to trigger edit. DataSource ds = JDBCDataSource.getDataSource(); JDBCDataSource.setBeanProperty(ds, "databaseName", "singleUse/" + db); Connection con = ds.getConnection(); // Create the service properties file backup. createSPFBackup(true); // Trigger service properties file edit. Statement stmt = con.createStatement(); stmt.execute("CALL SYSCS_UTIL.SYSCS_DISABLE_LOG_ARCHIVE_MODE(0)"); con.close(); // Shut down the database. JDBCDataSource.shutdownDatabase(ds); assertNormalPresence(); assertEquals(1, grepForToken(LOG_A_MODE + "=false", spf)); }
Example 18
Source File: DatabaseHelper.java From Benchmark with GNU General Public License v2.0 | 5 votes |
public static java.sql.Connection getSqlConnection() { if (conn == null) { try { InitialContext ctx = new InitialContext(); DataSource datasource = (DataSource)ctx.lookup("java:comp/env/jdbc/BenchmarkDB"); conn = datasource.getConnection(); conn.setAutoCommit(false); } catch (SQLException | NamingException e) { System.out.println("Problem with getSqlConnection."); e.printStackTrace(); } } return conn; }
Example 19
Source File: TransactionTimeOutDUnitTest.java From gemfirexd-oss with Apache License 2.0 | 5 votes |
public static void runTest8() { try { Context ctx = cache.getJNDIContext(); DataSource ds2 = (DataSource) ctx.lookup("java:/SimpleDataSource"); ds2.getConnection(); GemFireTransactionDataSource ds = (GemFireTransactionDataSource) ctx .lookup("java:/XAPooledDataSource"); UserTransaction utx = (UserTransaction) ctx .lookup("java:/UserTransaction"); utx.begin(); Connection conn = ds.getConnection(); String sql = "create table newTable1 (id integer)"; Statement sm = conn.createStatement(); sm.execute(sql); utx.setTransactionTimeout(30); Thread.sleep(5000); utx.setTransactionTimeout(20); utx.setTransactionTimeout(10); sql = "insert into newTable1 values (1)"; sm.execute(sql); utx.commit(); sql = "select * from newTable1 where id = 1"; ResultSet rs = sm.executeQuery(sql); if (!rs.next()) fail("Transaction not committed"); sql = "drop table newTable1"; sm.execute(sql); sm.close(); conn.close(); } catch (Exception e) { fail("Exception occured in test Commit due to " + e); e.printStackTrace(); } }
Example 20
Source File: MultiShardKeyTest.java From Zebra with Apache License 2.0 | 4 votes |
@Test public void testMultiSkApi() throws SQLException { DataSource ds = getDataSource(); Connection conn = ds.getConnection(); Statement st = conn.createStatement(); ResultSet rs = null; Set<TbEntity> expected = null; HashSet<String> hintShardColumns = new HashSet<String>(); HashSet<String> hintShardColumns2 = new HashSet<String>(); hintShardColumns.add("uid"); hintShardColumns.add("tid"); hintShardColumns2.add("tid"); // table = Tb, sk = uid rs = st.executeQuery("SELECT * FROM `Tb` WHERE `uid` IN (0,1,2,3)"); Set<TbEntity> actual = parseAndCloseResultSet(rs); expected = generateEntities(new TbEntity(1, 0, 4, "uid-0"), new TbEntity(1, 1, 4, "uid-1"), new TbEntity(1, 2, 4, "uid-2"), new TbEntity(1, 3, 4, "uid-3")); Assert.assertEquals(expected, actual); // table = Tb, update tid(auxiliary) ShardDataSourceHelper.setHintShardColumn(hintShardColumns2); st.execute("UPDATE `Tb` SET `Name` = 'tid-update-2' WHERE `tid` = 2"); rs = st.executeQuery("SELECT * FROM `Tb` WHERE `tid` = 2"); actual = parseAndCloseResultSet(rs); expected = generateEntities(new TbEntity(2, 4, 2, "tid-update-2")); Assert.assertEquals(expected, actual); // table = Tb, sk = uid + tid actual = new HashSet<TbEntity>(); for (int i = 0; i <= 4; ++i) { ShardDataSourceHelper.setHintShardColumn(hintShardColumns); rs = st.executeQuery("SELECT * FROM `Tb` WHERE `uid` = " + i + " AND `tid` = 1"); actual.addAll(parseAndCloseResultSet(rs)); } expected = generateEntities(new TbEntity(1, 1, 1, "ut-11"), new TbEntity(1, 2, 1, "ut-21"), new TbEntity(1, 3, 1, "ut-31"), new TbEntity(1, 4, 1, "ut-41")); Assert.assertEquals(expected, actual); // table = Tbut, sk = uid + tid int[][] ut = new int[][] { { 4, 4, 5, 5 }, { 0, 1, 0, 1 } }; actual = new HashSet<TbEntity>(); for (int i = 0; i < 4; ++i) { ShardDataSourceHelper.setHintShardColumn(hintShardColumns); rs = st.executeQuery("/*+zebra:sk=uid*/SELECT * FROM `Tbut` WHERE `uid` = " + ut[0][i] + " AND `tid` = " + ut[1][i]); actual.addAll(parseAndCloseResultSet(rs)); } expected = generateEntities(new TbEntity(2, 4, 0, "u_t-00"), new TbEntity(2, 4, 1, "u_t-01"), new TbEntity(2, 5, 0, "u_t-10"), new TbEntity(2, 5, 1, "u_t-11")); Assert.assertEquals(expected, actual); st.close(); conn.close(); }