public void initialize() {
try {
InputStream stream = schema.getInputStream();
Scanner scanner = new Scanner(stream);
StringBuilder sql = new StringBuilder();
while (scanner.hasNext()) {
sql.append(scanner.nextLine());
sql.append("\n");
}
scanner.close();
stream.close();
Connection connection = null;
Statement statement = null;
try {
connection = dataSource.getConnection();
statement = connection.createStatement();
statement.execute(sql.toString());
} catch (SQLException ex) {
ex.printStackTrace();
throw new RuntimeException(ex);
} finally {
if (null != connection) {
try {
connection.close();
} catch (SQLException ex) {
}
}
}
stream = data.getInputStream();
scanner = new Scanner(stream);
sql = new StringBuilder();
while (scanner.hasNext()) {
sql.append(scanner.nextLine());
sql.append("\n");
}
scanner.close();
stream.close();
connection = null;
statement = null;
try {
connection = dataSource.getConnection();
statement = connection.createStatement();
statement.executeUpdate(sql.toString());
} catch (SQLException ex) {
ex.printStackTrace();
throw new RuntimeException(ex);
} finally {
if (null != connection) {
try {
connection.close();
} catch (SQLException ex) {
}
}
}
} catch (IOException e) {
e.printStackTrace();
}
}
public static PoolStatus getPoolStatus() {
PoolStatus pool = new PoolStatus();
try {
if (dataSource.getClass().getName().indexOf("c3p0") > 0) {
pool.total = (Integer) PropertyUtils.getProperty(dataSource, "numConnectionsDefaultUser");
pool.busy =
(Integer) PropertyUtils.getProperty(dataSource, "numBusyConnectionsDefaultUser");
pool.idle =
(Integer) PropertyUtils.getProperty(dataSource, "numIdleConnectionsDefaultUser");
} else if (dataSource.getClass().getName().indexOf("bonecp") > 0) {
pool.total =
(Integer) PropertyUtils.getProperty(dataSource, "maxConnectionsPerPartition")
* (Integer) PropertyUtils.getProperty(dataSource, "partitionCount");
// pool.busy = (Integer)PropertyUtils.getProperty(dataSource,
// "numBusyConnectionsDefaultUser");
// pool.idle = (Integer)PropertyUtils.getProperty(dataSource,
// "numIdleConnectionsDefaultUser");
} else if (dataSource.getClass().getName().indexOf("druid") > 0) {
pool.total = (Integer) PropertyUtils.getProperty(dataSource, "maxActive");
pool.busy = (Integer) PropertyUtils.getProperty(dataSource, "activeCount");
pool.idle = (Integer) PropertyUtils.getProperty(dataSource, "poolingCount");
}
pool.conns = connectionContext;
} catch (Exception e) {
}
return pool;
}
public Connection getConnection() throws SQLException {
if (user != null || pass != null) {
return ds.getConnection(user, pass);
} else {
return ds.getConnection();
}
}
/**
* 从apache提供的连接池中取连接，失败返回false
*
* @return boolean
* @date:
*/
private boolean getApachecommonDBCP() {
try {
Context tContext = new InitialContext();
tContext = (Context) tContext.lookup("java:comp/env");
Object obj = tContext.lookup(JUrl.getDBName());
DataSource tDataSource = (DataSource) obj;
if (tDataSource != null) {
con = tDataSource.getConnection();
// 如果连接的是Oracle数据库，需要稍微处理一下日期的格式，最好是在服务器哪里设置一下，而不调用下面的程序
// 可以添加一个字段类型，来控制是否使用下面的语句
if (con != null) {
// Statement stmt = con.createStatement(ResultSet.
// TYPE_SCROLL_SENSITIVE,
// ResultSet.CONCUR_UPDATABLE);
// stmt.execute(
// "alter session set nls_date_format = 'YYYY-MM-DD
// HH24:MI:SS'");
// stmt.close();
return true;
}
return false;
} else {
System.out.println("a error occured when geting datasource");
return false;
}
} catch (Throwable e) {
System.out.println("failure when connect apache commons dbcp ");
e.printStackTrace();
return false;
}
}
/** Get Connection. Support transaction if Connection in ThreadLocal */
public final Connection getConnection() throws SQLException {
Connection conn = threadLocal.get();
if (conn != null) return conn;
return showSql
? new SqlReporter(dataSource.getConnection()).getConnection()
: dataSource.getConnection();
}
public void initialize() {
DataSource dataSource = getDataSource();
try {
Connection connection = dataSource.getConnection();
Statement statement = connection.createStatement();
statement.executeUpdate(
"CREATE TABLE IF NOT EXISTS USER (ID VARCHAR(10) NOT NULL PRIMARY KEY,FULL_NAME VARCHAR(100),EMAIL VARCHAR(100), BIRTHDAY DATE)");
statement.executeUpdate(
"CREATE TABLE IF NOT EXISTS EVENT (NAME VARCHAR(50)NOT NULL PRIMARY KEY, BASE_PRICE VARCHAR(100) NOT NULL, RAITING VARCHAR(10) NOT NULL)");
statement.executeUpdate(
"CREATE TABLE IF NOT EXISTS AUDITORIUM (NAME VARCHAR(30),SEATS VARCHAR(200) , VIP_SEATS VARCHAR(200))");
statement.executeUpdate(
"CREATE TABLE IF NOT EXISTS COUNTER_ASPECT (EVENT_NAME VARCHAR(50) NOT NULL PRIMARY KEY, ACCESS_BY_NAME VARCHAR(20) , ACCESS_BY_PRICE VARCHAR(20), BOOKED_TICKETS VARCHAR(20))");
statement.executeUpdate(
"CREATE TABLE IF NOT EXISTS AUDITORIUM_BOOKING (EVENT_NAME VARCHAR(50) NOT NULL , AUDITORIUM_NAME VARCHAR(30) , BOOKED_TIME DATE NOT NULL PRIMARY KEY, BOOKED_TICKETS VARCHAR(20))");
statement.executeUpdate(
"CREATE TABLE IF NOT EXISTS TICKET_BOOKING (USER_ID VARCHAR(10) NOT NULL , BOOKED_TICKETS VARCHAR(20) , EVENT_NAME VARCHAR(20))");
statement.executeUpdate(
"CREATE TABLE IF NOT EXISTS LUCKY_WINNER (USER_ID VARCHAR(10) NOT NULL , EVENT_NAME VARCHAR(50) , DATE DATE)");
statement.executeUpdate(
"CREATE TABLE IF NOT EXISTS DISCOUNT_ASPECT (USER_ID VARCHAR(10) NOT NULL , EVENT_NAME VARCHAR(50) , DISCOUNT VARCHAR(3))");
statement.close();
connection.close();
} catch (SQLException e) {
e.printStackTrace();
}
}
public Account retreiveAccount(String ssn) throws RemoteException {
Account acct = new Account();
try {
DataSource ds =
(DataSource)
javax.rmi.PortableRemoteObject.narrow(
jndiContext.lookup("java:comp/env/database"), DataSource.class);
Connection con = ds.getConnection();
try {
PreparedStatement stmt = con.prepareStatement("select * from Account where SSN = ?");
try {
stmt.setString(1, ssn);
ResultSet rs = stmt.executeQuery();
if (!rs.next()) return null;
acct.setSsn(rs.getString(1));
acct.setFirstName(rs.getString(2));
acct.setLastName(rs.getString(3));
acct.setBalance(rs.getInt(4));
} finally {
stmt.close();
}
} finally {
con.close();
}
} catch (Exception e) {
e.printStackTrace();
throw new RemoteException("[Bean] " + e.getClass().getName() + " : " + e.getMessage());
}
return acct;
}
// ===================================================================================
// DataSource
// ==========
public void test_DataSource_Connection_always_close() throws SQLException {
Connection conn = null;
DataSource dataSource = getDataSource();
conn = dataSource.getConnection();
try {
PreparedStatement ps = conn.prepareStatement("select * from MEMBER");
ps.execute();
ps.close();
} finally {
conn.close();
}
conn = dataSource.getConnection();
try {
PreparedStatement ps =
conn.prepareStatement("update MEMBER set MEMBER_NAME = ? where MEMBER_ID = 3");
ps.setString(1, "aaa");
ps.execute();
ps.close();
} finally {
conn.close();
}
conn = dataSource.getConnection();
try {
PreparedStatement ps = conn.prepareStatement("select * from MEMBER");
ps.execute();
ps.close();
} finally {
conn.close();
}
}
@Test
public void moveTasksToBacklog() throws Exception {
given()
.header(PermanentUserData.tokenHeader)
.post("/m/backlog/2016/04/26")
.then()
.statusCode(204);
try (Connection conn = ds.getConnection();
PreparedStatement ps =
conn.prepareStatement(
"select count (*) from task where appuser_id = ? and date is null")) {
ps.setLong(1, PermanentUserData.user.getId());
try (ResultSet rs = ps.executeQuery(); ) {
rs.next();
assertThat(rs.getInt(1), equalTo(2));
}
}
given().filter(sessionFilter).post("/web/backlog/2016/05/16").then().statusCode(204);
try (Connection conn = ds.getConnection();
PreparedStatement ps =
conn.prepareStatement(
"select count (*) from task where appuser_id = ? and date is null")) {
ps.setLong(1, PermanentUserData.user.getId());
try (ResultSet rs = ps.executeQuery(); ) {
rs.next();
assertThat(rs.getInt(1), equalTo(3));
}
}
}
public static boolean createTeam(Team team) throws SQLException, NamingException {
Connection conn = null;
PreparedStatement pstmt = null;
int result = 0;
DataSource ds = getDataSource();
try {
conn = ds.getConnection();
pstmt = conn.prepareStatement("insert into team values(?,curdate(),curdate())");
pstmt.setString(1, team.getT_name());
result = pstmt.executeUpdate();
} catch (Exception e) {
return false;
} finally {
if (pstmt != null)
try {
pstmt.close();
} catch (SQLException e) {
}
if (conn != null)
try {
conn.close();
} catch (SQLException e) {
}
}
return result == 1;
}
public static boolean deleteTeam(String t_name) throws SQLException, NamingException {
Connection conn = null;
PreparedStatement pstmt = null;
int result = 0;
DataSource ds = getDataSource();
try {
conn = ds.getConnection();
pstmt = conn.prepareStatement("delete from team where t_name =?");
pstmt.setString(1, t_name);
result = pstmt.executeUpdate();
} catch (Exception e) {
return false;
} finally {
if (pstmt != null)
try {
pstmt.close();
} catch (SQLException e) {
}
if (conn != null)
try {
conn.close();
} catch (SQLException e) {
}
}
return result == 1;
}
/** @param session */
public void readMataData(Session session, ObjectNode matadataNode) {
for (int retry = 0; ; retry++) {
try {
Connection conn = null;
String shardName = matadataNode.getShardName();
String tableName = matadataNode.getQualifiedObjectName();
String catalog = matadataNode.getCatalog();
String schema = matadataNode.getSchema();
try {
JdbcRepository dsRepository = (JdbcRepository) database.getRepository();
DataSource dataSource = dsRepository.getDataSourceByShardName(shardName);
conn = dataSource.getConnection();
tableName = database.identifier(tableName);
if (catalog != null) {
catalog = database.identifier(catalog);
}
if (schema != null) {
schema = database.identifier(schema);
}
tryReadMetaData(conn, catalog, schema, tableName);
return;
} catch (Exception e) {
throw DbException.convert(e);
} finally {
JdbcUtils.closeSilently(conn);
}
} catch (DbException e) {
if (retry >= MAX_RETRY) {
throw e;
}
}
}
}
/**
* Tests that we can get a connection from the DataSource bound in JNDI during test setup
*
* @throws Exception if an error occurs
*/
public void testDataSource() throws Exception {
NameParser nameParser = this.ctx.getNameParser("");
Name datasourceName = nameParser.parse("_test");
Object obj = this.ctx.lookup(datasourceName);
DataSource boundDs = null;
if (obj instanceof DataSource) {
boundDs = (DataSource) obj;
} else if (obj instanceof Reference) {
//
// For some reason, this comes back as a Reference instance under CruiseControl !?
//
Reference objAsRef = (Reference) obj;
ObjectFactory factory =
(ObjectFactory) Class.forName(objAsRef.getFactoryClassName()).newInstance();
boundDs =
(DataSource)
factory.getObjectInstance(
objAsRef, datasourceName, this.ctx, new Hashtable<Object, Object>());
}
assertTrue("Datasource not bound", boundDs != null);
Connection con = boundDs.getConnection();
con.close();
assertTrue("Connection can not be obtained from data source", con != null);
}
@Test
public void test() throws SQLException {
LOGGER.info("Method test start");
Throwable got = null;
try {
tf0();
} catch (final Throwable throwable) {
got = throwable;
} finally {
final DataSource dataSource = DataSource.class.cast(context.getBean("dataSource"));
final Connection connection = dataSource.getConnection();
final Map<String, Object> resultMap = new HashMap<String, Object>();
try {
JDBCHelper.executeQuery("select name from test", connection, resultMap);
} finally {
if (connection != null) {
connection.close();
}
}
AssertJUnit.assertTrue(resultMap.isEmpty());
}
AssertJUnit.assertNotNull(got);
LOGGER.info("Method test end");
}
private void doTearDown() throws Exception {
Connection c1 = null;
Connection c2 = null;
Statement s1 = null;
Statement s2 = null;
try {
c1 = myDS.getConnection();
c2 = myDS2.getConnection();
s1 = c1.createStatement();
s2 = c2.createStatement();
s1.execute("drop table " + TABLE1);
c1.commit();
s2.execute("drop table " + TABLE2);
c2.commit();
} catch (IllegalStateException e) {
System.err.println("Caught expected IllegalStateException from Atomikos on doTearDown");
doTearDown();
} finally {
if (s1 != null) s1.close();
if (s2 != null) s2.close();
if (c1 != null) c1.close();
if (c2 != null) c2.close();
}
}
public Connection getConnection() throws Exception {
// NamingException, SQLExceptionがスローされる
try {
if (connection == null || connection.isClosed()) {
// JNDI参照コンテキストを取得
InitialContext initCtx = new InitialContext();
// Tomcatで管理されたデータベース接続をJNDI経由で取得
// java:comp/env/を必ずつける
DataSource ds = (DataSource) initCtx.lookup("java:comp/env/jdbc/dbtest");
// データベース接続を取得する
connection = ds.getConnection();
// 自動コミットを行わず、更新系処理では常にトランザクション管理を行うように設定する。
connection.setAutoCommit(false);
}
} catch (Exception e) {
// もし接続取得で例外が出た場合はconnection=nullにし、
// 発生した例外はそのまま送出する
e.printStackTrace();
connection = null;
throw e;
}
return connection;
}
boolean lookDataSource(JConnection jconn, JParamObject PO) throws Exception {
boolean hasDataSource = false;
if (jconn != null) {
String dataSource = PO.GetValueByEnvName("DataSource");
if (dataSource != null && !"".equals(dataSource)) {
DataSource ds = null;
// try {
// ds = (DataSource) jconn.getDBContext().lookup("jdbc/" +
// dataSource);
// }
// catch (Exception e) {
// Context context = new InitialContext();
// Context envContext = (Context) context.lookup(
// "java:/comp/env");
// ds = (DataSource) envContext.lookup("jdbc/" + dataSource);
//
// }
if (ds != null) {
jconn.getInstance(ds.getConnection());
hasDataSource = true;
}
}
}
return hasDataSource;
}
/**
* Create connection from the data-source selected at this view
*
* @return
* @throws SQLException
*/
public static Connection getConnectionFromSelectedDatasource() throws SQLException {
String datasourceName = CommonIDEParameters.get(SELECTED_DATASOURCE_NAME);
DataSource dataSource = null;
if ((datasourceName == null) || datasourceName.equals(DEFAULT_DATASOURCE_NAME)) {
logger.debug("No selected datasource found. Make use of the default one");
dataSource = DataSourceFacade.getInstance().getDataSource(CommonIDEParameters.getRequest());
if (dataSource != null) {
Connection connection = dataSource.getConnection();
return connection;
}
logger.error("Trying to use the default datasource, but it is null");
} else {
logger.debug(String.format("Selected datasource found %s", datasourceName));
dataSource =
DataSourceFacade.getInstance()
.getNamedDataSource(CommonIDEParameters.getRequest(), datasourceName);
if (dataSource != null) {
Connection connection = dataSource.getConnection();
return connection;
}
logger.error(
String.format(
"Selected datasource found %s, but the datasource itself is null", datasourceName));
}
return null;
}
/**
* Deletes an exclusion to the database.
*
* @param id Exclusion ID
* @throws StatusException Throws a status exception if the delete fails.
*/
private void delete(String id) throws StatusException {
InitialContext initialContext = null;
Context context = null;
DataSource ds = null;
Connection conn = null;
PreparedStatement pStmt = null;
try {
initialContext = new InitialContext();
context = (Context) initialContext.lookup("java:comp/env");
ds = (DataSource) context.lookup("jdbc/OpenSQM");
conn = ds.getConnection();
// Add the question
pStmt = conn.prepareStatement(EXCLUSION_DELETE_SQL);
pStmt.setString(1, id);
pStmt.executeUpdate();
pStmt.close();
} catch (Exception e) {
e.printStackTrace();
throw new StatusException("800", e.toString());
} finally {
try {
conn.close();
} catch (Exception e2) {
}
}
}
public static void runTest1() throws Exception {
boolean exceptionOccured = false;
try {
Context ctx = cache.getJNDIContext();
DataSource ds1 = null;
DataSource ds2 = null;
ds1 = (DataSource) ctx.lookup("java:/XAPooledDataSource");
ds2 = (DataSource) ctx.lookup("java:/SimpleDataSource");
ds2.getConnection();
ds1 = (DataSource) ctx.lookup("java:/XAPooledDataSource");
UserTransaction utx = (UserTransaction) ctx.lookup("java:/UserTransaction");
utx.begin();
ds1.getConnection();
Thread.sleep(8000);
try {
utx.commit();
} catch (Exception e) {
exceptionOccured = true;
}
if (!exceptionOccured)
fail("Exception did not occur on commit although was supposed" + "occur");
} catch (Exception e) {
getLogWriter().fine("Exception caught in runTest1 due to : " + e);
fail("failed in runTest1 due to " + e);
}
}
public static void main(final String[] args) throws Exception {
// Create a database connection
final DataSource dataSource =
new DatabaseConnectionOptions(
"org.hsqldb.jdbcDriver", "jdbc:hsqldb:hsql://localhost:9001/schemacrawler");
final Connection connection = dataSource.getConnection("sa", "");
// Create the options
final SchemaCrawlerOptions options = new SchemaCrawlerOptions();
// Set what details are required in the schema - this affects the
// time taken to crawl the schema
options.setSchemaInfoLevel(SchemaInfoLevel.standard());
options.setRoutineInclusionRule(new InclusionRule(InclusionRule.NONE, InclusionRule.ALL));
options.setSchemaInclusionRule(new InclusionRule("PUBLIC.BOOKS", InclusionRule.NONE));
// Get the schema definition
final Database database = SchemaCrawlerUtility.getDatabase(connection, options);
for (final Schema schema : database.getSchemas()) {
System.out.println(schema);
for (final Table table : database.getTables(schema)) {
System.out.print("o--> " + table);
if (table instanceof View) {
System.out.println(" (VIEW)");
} else {
System.out.println();
}
for (final Column column : table.getColumns()) {
System.out.println(" o--> " + column + " (" + column.getColumnDataType() + ")");
}
}
}
}
public static void runTest3() throws Exception {
boolean exceptionOccured = false;
try {
Context ctx = cache.getJNDIContext();
DataSource ds1 = null;
DataSource ds2 = null;
ds1 = (DataSource) ctx.lookup("java:/XAPooledDataSource");
ds2 = (DataSource) ctx.lookup("java:/SimpleDataSource");
ds2.getConnection();
UserTransaction utx = (UserTransaction) ctx.lookup("java:/UserTransaction");
utx.begin();
utx.setTransactionTimeout(2);
ds1.getConnection();
Thread.sleep(4000);
try {
utx.commit();
} catch (Exception e) {
exceptionOccured = true;
}
if (!exceptionOccured)
fail("Exception (Transaction-Time-Out)did not occur although was supposed" + "to occur");
} catch (Exception e) {
fail("failed in runTest3 due to " + e);
}
}
public static Connection getConnection()
throws IOException, ClassNotFoundException, SQLException, NamingException {
if (connection == null || connection.isClosed()) {
InputStream in =
JDBCConnection.class.getClassLoader().getResourceAsStream("jdbc.dev.properties");
// InputStream in =
// JDBCConnection.class.getClassLoader().getResourceAsStream("/MavenWebAppSample2/webapp/jdbc.dev.properties");
// InputStream in = null;
if (in != null) {
logger.info("Using jdbc.dev.properties");
Properties prop = new Properties();
prop.load(in);
in.close();
String url = prop.getProperty("url");
String user = prop.getProperty("user");
String pass = prop.getProperty("pass");
String driver = prop.getProperty("driver");
// Dev mode
Class.forName(driver);
connection = java.sql.DriverManager.getConnection(url, user, pass);
} else {
logger.info("Using data source");
// Cloud mode
InitialContext ctx = new InitialContext();
DataSource ds = (DataSource) ctx.lookup("java:comp/env/jdbc/DefaultDB");
connection = ds.getConnection();
}
}
return connection;
}
@Test
public void testTopLevelJdbcDataSource() throws Exception {
final CollectingDataSink dataSink = new CollectingDataSink();
NSysMonConfigurer.addDataSink(NSysMon.get(), dataSink);
final DataSource dataSource =
new NSysMonDataSource(
JdbcConnectionPool.create("jdbc:h2:mem:demo", "sa", ""), null, NSysMon.get());
try (Connection conn = dataSource.getConnection()) {
final Statement stmt = conn.createStatement();
stmt.execute("create table A (oid number primary key)");
stmt.execute("insert into A (oid) values (1)");
final ResultSet rs = conn.createStatement().executeQuery("select * from A");
while (rs.next()) {
// Just ignore the result, goal is only to generat the sql
}
}
assertEquals(1, dataSink.data.size());
final AHierarchicalData root = dataSink.data.get(0).getRootNode();
assertEquals("jdbc:connection from pool", root.getIdentifier());
assertEquals(3, root.getChildren().size());
assertEquals(
"jdbc: create table A (oid number primary key)", root.getChildren().get(0).getIdentifier());
assertEquals("jdbc: insert into A (oid) values (1)", root.getChildren().get(1).getIdentifier());
assertEquals("jdbc: select * from A", root.getChildren().get(2).getIdentifier());
}
protected void testQuery() {
try {
// ClassArrayShell whether model is null
if (sqlPredicate == null) {
MessageDialog.openWarning(top.getShell(), "Warning!", "The predicate is null");
// return;
}
// ClassArrayShell whether there is a name
if (textName.getText() == null || textName.getText().trim().length() == 0) {
MessageDialog.openWarning(top.getShell(), "Warning!", "The predicate should have a name");
// return;
}
// ClassArrayShell whether there is a data source
if (sqlPredicate.getDataSource() == null) {
MessageDialog.openWarning(top.getShell(), "Warning!", "There is no datasource set");
// return;
}
// ClassArrayShell SQL
DataSource ds = sqlPredicate.getDataSource();
Connection con = ds.getConnection();
java.sql.Statement stmt = con.createStatement();
final ResultSet rs = stmt.executeQuery(sqlPredicate.getQuery());
QueryResultsDialog dialog = new QueryResultsDialog(getSite().getShell(), sqlPredicate, rs);
dialog.create();
if (dialog.open() != InputDialog.OK) return;
} catch (Exception x) {
MessageDialog.openError(top.getShell(), "Error!", "Test has failed");
}
}
private Connection getConnection() throws Exception {
Context initCtx = new InitialContext();
Context envCtx = (Context) initCtx.lookup("java:comp/env");
DataSource ds = (DataSource) envCtx.lookup("jdbc/itis");
return ds.getConnection();
}
/**
* Получение соединения внутри сервлета
*
* @param servletContext
* @return
* @throws SQLException
*/
public static Connection getConnection(ServletContext servletContext) throws SQLException {
Connection connection = null;
//
String connectionUrl = servletContext.getInitParameter("webdicom.connection.url");
if (connectionUrl != null) {
Properties props = new Properties(); // connection properties
props.put("user", "user1"); // FIXME взять из конфига
props.put("password", "user1"); // FIXME взять из конфига
connection = DriverManager.getConnection(connectionUrl + ";create=true", props);
} else {
// for Tomcat
try {
Context initCtx = new InitialContext();
Context envCtx = (Context) initCtx.lookup("java:comp/env");
DataSource ds = (DataSource) envCtx.lookup("jdbc/webdicom");
connection = ds.getConnection();
} catch (NamingException e) {
throw new SQLException("JNDI error " + e);
}
}
return connection;
}
private void doSetup() throws Exception {
if (setupDone) return;
Connection c1 = null;
Connection c2 = null;
Statement s1 = null;
Statement s2 = null;
try {
c1 = myDS.getConnection();
c2 = myDS2.getConnection();
s1 = c1.createStatement();
s2 = c2.createStatement();
s1.execute("create table " + TABLE1 + " ( id INTEGER, foo INTEGER )");
s1.executeUpdate("insert into " + TABLE1 + " (id, foo) values (1, 1)");
c1.commit();
s2.execute("create table " + TABLE2 + " ( id INTEGER, foo INTEGER )");
s2.executeUpdate("insert into " + TABLE2 + " (id, foo) values (1, 1)");
c2.commit();
setupDone = true;
} finally {
if (s1 != null) s1.close();
if (s2 != null) s2.close();
if (c1 != null) c1.close();
if (c2 != null) c2.close();
}
}
@Override
public Connection getConnection() throws Exception {
Context initCtx = new InitialContext();
Context envCtx = (Context) initCtx.lookup("java:/comp/env");
DataSource ds = (DataSource) envCtx.lookup("jdbc/orcl");
return ds.getConnection();
}
public static void main(String[] argv) {
try {
String dmds_name = null;
String cpds_name = null;
String pbds_name = null;
if (argv.length == 3) {
dmds_name = argv[0];
cpds_name = argv[1];
pbds_name = argv[2];
} else usage();
InitialContext ctx = new InitialContext();
DataSource dmds = (DataSource) ctx.lookup(dmds_name);
dmds.getConnection().close();
System.out.println(
"DriverManagerDataSource " + dmds_name + " sucessfully looked up and checked.");
ConnectionPoolDataSource cpds = (ConnectionPoolDataSource) ctx.lookup(cpds_name);
cpds.getPooledConnection().close();
System.out.println(
"ConnectionPoolDataSource " + cpds_name + " sucessfully looked up and checked.");
DataSource pbds = (DataSource) ctx.lookup(pbds_name);
pbds.getConnection().close();
System.out.println(
"PoolBackedDataSource " + pbds_name + " sucessfully looked up and checked.");
} catch (Exception e) {
e.printStackTrace();
}
}
