Java Session.getTransacted方法代碼示例

import javax.jms.Session; //導入方法依賴的package包/類
@Test(timeout = 60000)
public void testNotIdledWhenInUse() throws Exception {
    cf.setIdleTimeout(10);
    JmsPoolConnection connection = (JmsPoolConnection) cf.createConnection();
    Session s = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);

    // let connection to get idle
    TimeUnit.MILLISECONDS.sleep(20);

    // get a connection from pool again, it should be the same underlying connection
    // as before and should not be idled out since an open session exists.
    JmsPoolConnection connection2 = (JmsPoolConnection) cf.createConnection();
    assertSame(connection.getConnection(), connection2.getConnection());

    // now the session is closed even when it should not be
    try {
        // any operation on session first checks whether session is closed
        s.getTransacted();
    } catch (javax.jms.IllegalStateException e) {
        assertTrue("Session should be fine, instead: " + e.getMessage(), false);
    }

    Connection original = connection.getConnection();

    connection.close();
    connection2.close();

    // let connection to get idle
    TimeUnit.MILLISECONDS.sleep(20);

    // get a connection from pool again, it should be a new Connection instance as the
    // old one should have been inactive and idled out.
    JmsPoolConnection connection3 = (JmsPoolConnection) cf.createConnection();
    assertNotSame(original, connection3.getConnection());
}
 

import javax.jms.Session; //導入方法依賴的package包/類
@Test(timeout = 60000)
public void testNotIdledWhenInUse() throws Exception {
    pooledFactory.setIdleTimeout(10);
    JmsPoolConnection connection = (JmsPoolConnection) pooledFactory.createConnection();
    Session s = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);

    // let connection to get idle
    TimeUnit.MILLISECONDS.sleep(20);

    // get a connection from pool again, it should be the same underlying connection
    // as before and should not be idled out since an open session exists.
    JmsPoolConnection connection2 = (JmsPoolConnection) pooledFactory.createConnection();
    assertSame(connection.getConnection(), connection2.getConnection());

    // now the session is closed even when it should not be
    try {
        // any operation on session first checks whether session is closed
        s.getTransacted();
    } catch (javax.jms.IllegalStateException e) {
        assertTrue("Session should be fine, instead: " + e.getMessage(), false);
    }

    Connection original = connection.getConnection();

    connection.close();
    connection2.close();

    // let connection to get idle
    TimeUnit.MILLISECONDS.sleep(20);

    // get a connection from pool again, it should be a new Connection instance as the
    // old one should have been inactive and idled out.
    JmsPoolConnection connection3 = (JmsPoolConnection) pooledFactory.createConnection();
    assertNotSame(original, connection3.getConnection());
}
 

import javax.jms.Session; //導入方法依賴的package包/類
protected void doPublish(Event event) throws EdsException {
  Connection conn = null;
  Session session = null;
  MessageProducer messageProducer = null;
  try {
    LOG.debug("eds pub 3 mq in -[event:" + event + "]");
    conn = connectionFactory.createConnection();
    // 設置非事務，客戶端確認方式
    session = conn.createSession(false, Session.CLIENT_ACKNOWLEDGE);

    MapMessage mapMessage = session.createMapMessage();
    mapMessage = EventConverter.convertToMessage(mapMessage, event);
    Destination dest = getDestination(event.getName(), session);
    messageProducer = session.createProducer(dest);
    messageProducer.send(mapMessage);
    // commit session if necessary
    if (session.getTransacted()) {
      session.commit();
    }
    LOG.debug("eds pub 4 mq ok -[conn:" + conn + ",session:" + session + ",event:" + event + "]");
  }catch(JMSException e){
    throw new EdsException("eds client activemq doPublish exception ", e);
  }finally {
    releaseSession(session);
    releaseMessageProducer(messageProducer);
    releaseConnection(conn, false);
  }
}
 

import javax.jms.Session; //導入方法依賴的package包/類
private synchronized Session loadSession( final boolean transacted,
                                          final int acknowledgeMode ) throws JMSException {

    final Session s = session;
    if (s != null) {
        if ( (s.getTransacted() == transacted) && (s.getAcknowledgeMode() == acknowledgeMode)) {
            return s;
        }
        s.close();
    }
    final Session newSession = loadConnection().createSession(transacted, acknowledgeMode);
    session = newSession;
    return newSession;
}