/**
* This adds a special check for exceptions that occured because the session is down. In this
* case, the error count will not be increased so that the message will be resent when the session
* comes back up.
*
* @param e Exception
* @param queueMessage QueueMessage
* @param queue MessageQueue
* @throws QueueException
*/
public void handleError(Exception e, QueueMessage queueMessage, MessageQueue queue)
throws QueueException {
if (e instanceof ConnectivityDownException) {
// The session is down. Set the error message, but do not
// increment the error count.
NPACMessageType message = (NPACMessageType) queueMessage;
NPACQueueUtils.updateLastErrorMessage(message.getInvokeID().toString(), e.getMessage());
} else {
if (Debug.isLevelEnabled(Debug.MSG_STATUS)) {
Debug.log(
Debug.MSG_STATUS,
"NPACConsumerPolicy, handleError(), Before removing REGION ID...queueMessage.getValues():-"
+ queueMessage.getValues());
}
Map queueMessageValues = queueMessage.getValues();
if (queueMessageValues.containsKey("REGIONID")) {
queueMessageValues.remove("REGIONID");
queueMessage.setValues(queueMessageValues);
}
if (Debug.isLevelEnabled(Debug.MSG_STATUS)) {
Debug.log(
Debug.MSG_STATUS,
"NPACConsumerPolicy, handleError(), After removing REGION ID...queueMessage.getValues():-"
+ queueMessage.getValues());
}
super.handleError(e, queueMessage, queue);
}
}
/**
* The message obtained from the queue was successfully processed. The corresponding message in
* the message table gets updated to have a status of "Sent".
*
* <p>The message then gets deleted from the queue.
*
* @param message The message being processed.
* @param queue The queue to which this message belongs.
* @throws QueueException If processing fails.
*/
public void handleSuccess(QueueMessage queueMessage, MessageQueue queue) throws QueueException {
if (!(queueMessage instanceof NPACMessageType)) {
Debug.error(
"NPAC consumer policy received a message "
+ "that is not of type: "
+ NPACMessageType.class.getName());
} else {
NPACMessageType message = (NPACMessageType) queueMessage;
// update message status to "Sent"
// construct update statement
String update = "UPDATE " + message.getTableName() + UPDATE_CLAUSE;
try {
Connection connection = DBInterface.acquireConnection();
try {
PreparedStatement stmt = null;
try {
stmt = connection.prepareStatement(update);
int invokeID = message.getInvokeID().intValue();
Debug.log(
Debug.DB_STATUS,
"Updating status of message with invoke ID ["
+ invokeID
+ "] to 'Sent' using statement:\n"
+ update);
stmt.setInt(1, invokeID);
stmt.execute();
connection.commit();
} catch (Exception ex) {
Debug.error("Could not update status for message:\n" + message.describe() + "\n" + ex);
} finally {
try {
if (stmt != null) {
stmt.close();
}
} catch (Exception ex) {
Debug.error("Could not close statement: " + ex);
}
}
} finally {
try {
DBInterface.releaseConnection(connection);
} catch (Exception ex) {
Debug.error("Could not release database connection: " + ex);
}
}
} catch (DatabaseException dbex) {
Debug.error(
"Could not update status for message:\n"
+ message.describe()
+ ". A database connection could not be acquired: "
+ dbex);
}
}
// This is used in the where clause to identify which message
// should be updated. All we need is the message's ID
// value to uniquely identify it.
NPACMessageType whereMessage = new NPACMessageType();
Map whereValues = new HashMap();
whereValues.put(ID_COL, queueMessage.getValues().get(ID_COL));
whereMessage.setValues(whereValues);
// update the status of the message to "sent"
NPACMessageType newMessage = new NPACMessageType();
if (Debug.isLevelEnabled(Debug.MSG_STATUS)) {
Debug.log(
Debug.MSG_STATUS,
"NPACConsumerPolicy, handleSuccess(), Before removing REGION ID... values :-"
+ queueMessage.getValues());
}
Map value = queueMessage.getValues();
if (value.containsKey("REGIONID")) {
value.remove("REGIONID");
}
newMessage.setValues(value);
if (Debug.isLevelEnabled(Debug.MSG_STATUS)) {
Debug.log(
Debug.MSG_STATUS,
"NPACConsumerPolicy, handleSuccess(), After removing region id, values :-"
+ newMessage.getValues());
}
newMessage.setStatus(SOAConstants.SENT_STATUS);
queue.update(whereMessage, newMessage);
}
