public static AMQQueue createAMQQueueImpl(QueueConfiguration config, VirtualHost host)
throws AMQException {
String queueName = config.getName();
boolean durable = config.getDurable();
boolean autodelete = config.getAutoDelete();
boolean exclusive = config.getExclusive();
String owner = config.getOwner();
Map<String, Object> arguments = null;
if (config.isLVQ() || config.getLVQKey() != null) {
arguments = new HashMap<String, Object>();
arguments.put(QPID_LAST_VALUE_QUEUE, 1);
arguments.put(
QPID_LAST_VALUE_QUEUE_KEY,
config.getLVQKey() == null ? QPID_LVQ_KEY : config.getLVQKey());
} else {
boolean priority = config.getPriority();
int priorities = config.getPriorities();
if (priority || priorities > 0) {
arguments = new HashMap<String, Object>();
if (priorities < 0) {
priorities = 10;
}
arguments.put("x-qpid-priorities", priorities);
}
}
AMQQueue q =
createAMQQueueImpl(queueName, durable, owner, autodelete, exclusive, host, arguments);
q.configure(config);
return q;
}
public void setPropertyValue(AMQQueue queue, long value) {
queue.setFlowResumeCapacity(value);
}
public void setPropertyValue(AMQQueue queue, long value) {
queue.setMinimumAlertRepeatGap(value);
}
public void setPropertyValue(AMQQueue queue, long value) {
queue.setMaximumMessageCount(value);
}
public static AMQQueue createAMQQueueImpl(
String queueName,
boolean durable,
String owner,
boolean autoDelete,
boolean exclusive,
VirtualHost virtualHost,
Map<String, Object> arguments)
throws AMQSecurityException {
// Access check
if (!virtualHost
.getSecurityManager()
.authoriseCreateQueue(
autoDelete, durable, exclusive, null, null, new AMQShortString(queueName), owner)) {
String description = "Permission denied: queue-name '" + queueName + "'";
throw new AMQSecurityException(description);
}
int priorities = 1;
String conflationKey = null;
if (arguments != null) {
if (arguments.containsKey(QPID_LAST_VALUE_QUEUE)
|| arguments.containsKey(QPID_LAST_VALUE_QUEUE_KEY)) {
conflationKey = (String) arguments.get(QPID_LAST_VALUE_QUEUE_KEY);
if (conflationKey == null) {
conflationKey = QPID_LVQ_KEY;
}
} else if (arguments.containsKey(X_QPID_PRIORITIES.toString())) {
Object prioritiesObj = arguments.get(X_QPID_PRIORITIES.toString());
if (prioritiesObj instanceof Number) {
priorities = ((Number) prioritiesObj).intValue();
}
}
}
AMQQueue q;
if (conflationKey != null) {
q =
new ConflationQueue(
queueName,
durable,
owner,
autoDelete,
exclusive,
virtualHost,
arguments,
conflationKey);
} else if (priorities > 1) {
q =
new AMQPriorityQueue(
queueName, durable, owner, autoDelete, exclusive, virtualHost, priorities, arguments);
} else {
q =
new SimpleAMQQueue(
queueName, durable, owner, autoDelete, exclusive, virtualHost, arguments);
}
// Register the new queue
virtualHost.getQueueRegistry().registerQueue(q);
q.configure(virtualHost.getConfiguration().getQueueConfiguration(queueName));
if (arguments != null) {
for (QueueProperty p : DECLAREABLE_PROPERTIES) {
if (arguments.containsKey(p.getArgumentName().toString())) {
p.setPropertyValue(q, arguments.get(p.getArgumentName().toString()));
}
}
}
return q;
}
