Example usage for javax.jms Session commit

Introduction

In this page you can find the example usage for javax.jms Session commit.

Prototype


void commit() throws JMSException;

Source Link

Document

Commits all messages done in this transaction and releases any locks currently held.

Usage

From source file:tools.ProducerTool.java

@Override
public void run() {
    Connection connection = null;
    Session session = null;
    try {/*w  w w.j  a va  2s.  c  o  m*/
        connection = connectionFactory.createConnection();
        if (clientId != null) {
            connection.setClientID(clientId);
        }
        session = connection.createSession(transacted, acknowledgeMode);
        Destination destination = null;
        if (jndiLookupDestinations) {
            destination = (Destination) context.lookup(destinationName);
        } else {
            if (useQueueDestinations) {
                if (useTemporaryDestinations) {
                    destination = session.createTemporaryQueue();
                } else {
                    destination = session.createQueue(destinationName);
                }
            } else {
                if (useTemporaryDestinations) {
                    destination = session.createTemporaryTopic();
                } else {
                    destination = session.createTopic(destinationName);
                }
            }
        }

        MessageProducer producer = session.createProducer(destination);
        if (durable) {
            producer.setDeliveryMode(DeliveryMode.PERSISTENT);
        } else {
            producer.setDeliveryMode(DeliveryMode.NON_PERSISTENT);
        }

        int numMessagesToSend = useFinalControlMessage ? numMessages - 1 : numMessages;

        for (int i = 0; i < numMessagesToSend; i++) {
            String messageText = "Message " + i + " at " + new Date();
            if (bytesLength > -1) {
                byte[] messageTextBytes = messageText.getBytes(StandardCharsets.UTF_8);
                BytesMessage bytesMessage = session.createBytesMessage();
                bytesMessage.writeBytes(messageTextBytes);
                if (messageTextBytes.length < bytesLength) {
                    byte[] paddingBytes = new byte[bytesLength - messageTextBytes.length];
                    bytesMessage.writeBytes(paddingBytes);
                }
                if (messageGroupId != null) {
                    bytesMessage.setStringProperty("JMSXGroupID", messageGroupId);
                }
                LOGGER.info("Sending bytes message");
                producer.send(bytesMessage);
            } else {
                TextMessage textMessage = session.createTextMessage(messageText);
                if (messageGroupId != null) {
                    textMessage.setStringProperty("JMSXGroupID", messageGroupId);
                }
                LOGGER.info("Sending text message: " + messageText);
                producer.send(textMessage);
            }

            if (perMessageSleepMS > 0) {
                Thread.sleep(perMessageSleepMS);
            }
            if (transacted) {
                if ((i + 1) % batchSize == 0) {
                    session.commit();
                }
            }
        }
        if (useFinalControlMessage) {
            Message message = session.createMessage();
            if (messageGroupId != null) {
                message.setStringProperty("JMSXGroupID", messageGroupId);
            }
            LOGGER.info("Sending message");
            producer.send(message);
            if (transacted) {
                session.commit();
            }
        }
        producer.close();
    } catch (Exception ex) {
        LOGGER.error("ProducerTool hit exception: " + ex.getMessage(), ex);
    } finally {
        if (session != null) {
            try {
                session.close();
            } catch (JMSException e) {
                LOGGER.error("JMSException closing session", e);
            }
        }
        if (connection != null) {
            try {
                connection.close();
            } catch (JMSException e) {
                LOGGER.error("JMSException closing session", e);
            }
        }
    }
}