| Methods Summary |
|---|
| public JmsActivation | getActivation()
return activation;
|
| public javax.jms.ServerSession | getServerSession()
boolean trace = log.isTraceEnabled();
if (trace)
log.trace("getServerSession");
ServerSession result = null;
try
{
synchronized (serverSessions)
{
while (true)
{
int sessionsSize = serverSessions.size();
if (stopped)
throw new Exception("Cannot get a server session after the pool is stopped");
else if (sessionsSize > 0)
{
result = (ServerSession) serverSessions.remove(sessionsSize-1);
break;
}
else
{
try
{
serverSessions.wait();
}
catch (InterruptedException ignored)
{
}
}
}
}
}
catch (Throwable t)
{
log.error("Unable to get a server session", t);
throw new JMSException("Unable to get a server session " + t);
}
if (trace)
log.trace("Returning server session " + result);
return result;
|
| protected void | returnServerSession(JmsServerSession session)Return the server session
synchronized (serverSessions)
{
if (stopped)
{
session.teardown();
--sessionCount;
}
else
serverSessions.add(session);
serverSessions.notifyAll();
}
|
| protected void | setupConsumer()Setup the connection consumer
Connection connection = activation.getConnection();
JmsActivationSpec spec = activation.getActivationSpec();
String selector = spec.getMessageSelector();
int maxMessages = spec.getMaxMessagesInt();
if (spec.isTopic())
{
Topic topic = (Topic) activation.getDestination();
String subscriptionName = spec.getSubscriptionName();
if (spec.isDurable())
consumer = connection.createDurableConnectionConsumer(topic, subscriptionName, selector, this, maxMessages);
else
consumer = connection.createConnectionConsumer(topic, selector, this, maxMessages);
}
else
{
Queue queue = (Queue) activation.getDestination();
consumer = connection.createConnectionConsumer(queue, selector, this, maxMessages);
}
log.debug("Created consumer " + consumer);
|
| protected void | setupSessions()Setup the sessions
JmsActivationSpec spec = activation.getActivationSpec();
ArrayList clonedSessions = null;
// Create the sessions
synchronized (serverSessions)
{
for (int i = 0; i < spec.getMaxSessionInt(); ++i)
{
JmsServerSession session = new JmsServerSession(this);
serverSessions.add(session);
}
sessionCount = serverSessions.size();
clonedSessions = (ArrayList) serverSessions.clone();
}
// Start the sessions
for (int i = 0; i < clonedSessions.size(); ++ i)
{
JmsServerSession session = (JmsServerSession) clonedSessions.get(i);
session.setup();
}
|
| public void | start()Start the server session pool
setupSessions();
setupConsumer();
|
| public void | stop()Stop the server session pool
teardownConsumer();
teardownSessions();
|
| protected void | teardownConsumer()Stop the connection consumer
try
{
if (consumer != null)
{
log.debug("Closing the " + consumer);
consumer.close();
}
}
catch (Throwable t)
{
log.debug("Error closing the consumer " + consumer, t);
}
|
| protected void | teardownSessions()Stop the sessions
synchronized (serverSessions)
{
// Disallow any new sessions
stopped = true;
serverSessions.notifyAll();
// Stop inactive sessions
for (int i = 0; i < serverSessions.size(); ++i)
{
JmsServerSession session = (JmsServerSession) serverSessions.get(i);
session.teardown();
}
sessionCount -= serverSessions.size();
serverSessions.clear();
// Wait for inuse sessions
while (sessionCount > 0)
{
try
{
serverSessions.wait();
}
catch (InterruptedException ignore)
{
}
}
}
|
