@Override
public void run() {
try {
// Check if the concert exists by looking for concert name parameter
// getParam throws when it can't find the parameter.
ParameterClient paramClient =
new ParameterClient(
NodeIdentifier.forNameAndUri("/concert_checker", concertUri.toString()),
concertUri);
String name = (String) paramClient.getParam(GraphName.of(CONCERT_NAME_PARAM)).getResult();
Log.i("ConcertRemocon", "Concert " + name + " found; retrieve additional information");
NodeMainExecutorService nodeMainExecutorService = new NodeMainExecutorService();
NodeConfiguration nodeConfiguration =
NodeConfiguration.newPublic(
InetAddressFactory.newNonLoopback().getHostAddress(), concertUri);
// Check for the concert information topic
ListenerNode<concert_msgs.ConcertInfo> readInfoTopic =
new ListenerNode(CONCERT_INFO_TOPIC, concert_msgs.ConcertInfo._TYPE);
nodeMainExecutorService.execute(
readInfoTopic, nodeConfiguration.setNodeName("read_info_node"));
readInfoTopic.waitForResponse();
concert_msgs.ConcertInfo concertInfo = readInfoTopic.getLastMessage();
String concertName = concertInfo.getName();
String concertDesc = concertInfo.getDescription();
rocon_std_msgs.Icon concertIcon = concertInfo.getIcon();
if (name.equals(concertName) == false)
Log.w(
"ConcertRemocon", "Concert names from parameter and topic differs; we use the later");
// Check for the concert roles topic
ListenerNode<concert_msgs.Roles> readRolesTopic =
new ListenerNode(CONCERT_ROLES_TOPIC, concert_msgs.Roles._TYPE);
nodeMainExecutorService.execute(
readRolesTopic, nodeConfiguration.setNodeName("concert_roles_node"));
readRolesTopic.waitForResponse();
nodeMainExecutorService.shutdownNodeMain(readInfoTopic);
nodeMainExecutorService.shutdownNodeMain(readRolesTopic);
// configure concert description
Date timeLastSeen = new Date();
ConcertDescription description =
new ConcertDescription(masterId, concertName, concertDesc, concertIcon, timeLastSeen);
Log.i("ConcertRemocon", "Concert is available");
description.setConnectionStatus(ConcertDescription.OK);
description.setUserRoles(readRolesTopic.getLastMessage());
foundConcertCallback.receive(description);
return;
} catch (RuntimeException e) {
// thrown if concert could not be found in the getParam call (from
// java.net.ConnectException)
Log.w(
"ConcertRemocon", "could not find concert [" + concertUri + "][" + e.toString() + "]");
failureCallback.handleFailure(e.toString());
} catch (Throwable e) {
Log.w(
"ConcertRemocon",
"exception while creating node in concert checker for URI " + concertUri,
e);
failureCallback.handleFailure(e.toString());
}
}
