/**
* Execute poll on this device: create an array of messages, add them to the request queue, and
* schedule the queue for processing.
*
* @param delay scheduling delay (in milliseconds)
*/
public void doPoll(long delay) {
long now = System.currentTimeMillis();
ArrayList<QEntry> l = new ArrayList<QEntry>();
synchronized (m_features) {
int spacing = 0;
for (DeviceFeature i : m_features.values()) {
if (i.hasListeners()) {
Msg m = i.makePollMsg();
if (m != null) l.add(new QEntry(i, m, now + delay + spacing));
}
spacing += TIME_BETWEEN_POLL_MESSAGES;
}
}
if (l.isEmpty()) return;
synchronized (m_requestQueue) {
for (QEntry e : l) {
m_requestQueue.add(e);
}
}
RequestQueueManager.s_instance().addQueue(this, now + delay);
if (!l.isEmpty()) {
synchronized (m_lastTimePolled) {
m_lastTimePolled = now;
}
}
}
