/// <summary>
/// Activate the subscription. Until this method is invoked, no
/// updates will be received.
/// </summary>
public void activate()
{
if (mSubscription != null)
{
return;
}
mSubscription = new MamaSubscription();
mSubscription.setSubscriptionType(mType);
mSubscription.setServiceLevel(mServiceLevel, mServiceLevelOpt);
mSubscription.setRequiresInitial(mRequireInitial);
mSubscription.setRetries(mRetries);
mSubscription.setTimeout(mTimeout);
mMamaSource.transport = mTransport;
mMamaSource.symbolNamespace = mSource;
mSubscription.create(
mQueue,
new MamdaSubscriptionCallback(this),
mMamaSource,
mSymbol,
null);
}
/// <summary>
/// Activate the subscription. Until this method is invoked, no
/// updates will be received.
/// </summary>
public void activate()
{
if (mSubscription != null) return;
mSubscription = new MamaSubscription();
mSubscription.setSubscriptionType(mType);
mSubscription.setServiceLevel(mServiceLevel, mServiceLevelOpt);
mSubscription.setRequiresInitial(mRequireInitial);
mSubscription.setRetries(mRetries);
mSubscription.setTimeout(mTimeout);
mMamaSource.transport = mTransport;
mMamaSource.symbolNamespace = mSource;
mSubscription.create(
mQueue,
new MamdaSubscriptionCallback(this),
mMamaSource,
mSymbol,
null);
}
/// <summary>
/// This function will create subscriptions for all the symbols in the array list.
/// </summary>
private void createSubscriptions()
{
// There must be at least 1 symbol
if (m_symbols.Count < 1)
{
throw new ApplicationException("There are no symbols to subscribe to.");
}
ListenerSubscriptionCallback subscriptionCallback = new ListenerSubscriptionCallback(m_dictionary, m_iterator, m_quietness, m_symbols.Count);
// Enumerate all the symbol names and create a subscription for each one
foreach (string symbol in m_symbols)
{
MamaSubscription subscription = new MamaSubscription();
// Set the service level depending on whether we need a snapshot subscription or not
if (m_snapshot)
{
subscription.setServiceLevel(mamaServiceLevel.MAMA_SERVICE_LEVEL_SNAPSHOT);
}
else
{
subscription.setServiceLevel(mamaServiceLevel.MAMA_SERVICE_LEVEL_REAL_TIME);
}
// Complete the remaining properties
subscription.setSubscriptionType(mamaSubscriptionType.MAMA_SUBSC_TYPE_NORMAL);
subscription.setTimeout(10);
subscription.setRetries(3);
subscription.setRequiresInitial(true);
/* Determine the queue to use, if there are multiple threads running then the next queue in the
* group will be acquired.
*/
MamaQueue queue = m_defaultQueue;
if (m_queueGroup != null)
{
queue = m_queueGroup.getNextQueue();
}
subscription.create(queue, subscriptionCallback, m_source, symbol);
// Add the subscription to the array list so that they can all be destroyed later on
m_subscriptions.Add(subscription);
}
}
