@Override
public Future<List<Service>> searchServices(Service filter, IIdentity node)
throws ServiceDiscoveryException {
if (logger.isDebugEnabled())
logger.debug("Searching repository for a given service, on node: " + node.getJid());
List<Service> result = new ArrayList<Service>();
try {
String myLocalJid = getCommMngr().getIdManager().getThisNetworkNode().getJid();
if (myLocalJid.equals(node.getJid())) {
if (logger.isDebugEnabled()) logger.debug("It's the local node, so we do a local call");
return searchServices(filter);
}
if (logger.isDebugEnabled()) logger.debug("Trying to query the remote node...");
ServiceDiscoveryRemoteClient callback = new ServiceDiscoveryRemoteClient();
getServiceDiscoveryRemote().searchService(filter, node, callback);
result = callback.getResultList();
} catch (Exception ex) {
ex.printStackTrace();
logger.error("Exception while searching for services!");
throw new ServiceDiscoveryException("Exception while searching for services!", ex);
}
return new AsyncResult<List<Service>>(result);
}
@Override
public Future<Service> getService(ServiceResourceIdentifier serviceId)
throws ServiceDiscoveryException {
if (logger.isDebugEnabled()) logger.debug("Service Discovery::getService()");
Service result = null;
try {
// First we check the local repository
result = getServiceReg().retrieveService(serviceId);
// Did we find it there?
if (result == null) {
if (logger.isDebugEnabled())
logger.debug(
"Didn't find service on local repository, now checking if it's a remote service!");
String myLocalJid = getCommMngr().getIdManager().getThisNetworkNode().getJid();
String serviceJid = ServiceModelUtils.getJidFromServiceIdentifier(serviceId);
// Is it supposed to be local?
if (!myLocalJid.equals(serviceJid)) {
if (logger.isDebugEnabled())
logger.debug("It's a remote service from node: " + serviceJid);
INetworkNode node = getCommMngr().getIdManager().fromFullJid(serviceJid);
// We call the other network node to get the information on the service
ServiceDiscoveryRemoteClient callback = new ServiceDiscoveryRemoteClient();
getServiceDiscoveryRemote().getService(serviceId, node, callback);
List<Service> resultList = callback.getResultList();
// Only one service should be returned. If not, we're dealing with some sort of problem
if (resultList.size() == 1) {
result = resultList.get(0);
if (logger.isDebugEnabled()) logger.debug("Found service remotely!");
}
}
}
} catch (Exception ex) {
ex.printStackTrace();
logger.error("getService():: Exception getting Service: " + ex);
throw new ServiceDiscoveryException("getService():: Exception getting Service", ex);
}
if (result == null) return null;
else return new AsyncResult<Service>(result);
}
/*
* (non-Javadoc)
*
* @see
* org.societies.api.internal.servicelifecycle.IServiceDiscovery#getServices
* (org.societies.api.comm.xmpp.datatypes.Identity)
*/
@Override
@Async
public Future<List<Service>> getServices(IIdentity node) throws ServiceDiscoveryException {
List<Service> serviceList = new ArrayList<Service>();
if (logger.isDebugEnabled())
logger.debug("getServices(Identity node) for node: " + node.getJid());
boolean myNode;
boolean myCIS = false;
INetworkNode currentNode = commMngr.getIdManager().getThisNetworkNode();
if (!currentNode.getJid().contentEquals(node.getJid())) myNode = false;
else myNode = true;
try {
// Is it our node? If so, local search
if (myNode) {
if (logger.isDebugEnabled()) logger.debug("We're dealing with our own node!");
serviceList = getServiceReg().retrieveServicesSharedByCSS(node.getJid());
} else {
// Is it one of my CIS? If so, local search
ICisOwned localCis = getCisManager().getOwnedCis(node.getJid());
if (localCis != null) {
if (logger.isDebugEnabled()) logger.debug("We're dealing with our CIS! Local search!");
serviceList = getServiceReg().retrieveServicesSharedByCIS(node.getJid());
myCIS = true;
}
}
/*
switch (node.getType())
{
case CSS:
case CSS_RICH:
case CSS_LIGHT:
serviceList = getServiceReg().retrieveServicesSharedByCSS(node.getJid());
break;
case CIS:
if(logger.isDebugEnabled()) logger.debug("Retrieving services of a CIS");
ICisOwned myCis = getCisManager().getOwnedCis(node.getJid());
if(myCis != null){
if(logger.isDebugEnabled()) logger.debug("We're dealing with our CIS! Local search!");
serviceList = getServiceReg().retrieveServicesSharedByCIS(node.getJid());
}
break;
default:
logger.warn("Unknown node!");
break;
}
*/
} catch (ServiceRetrieveException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
if (serviceList == null || serviceList.isEmpty()) {
if (logger.isDebugEnabled()) logger.debug("No services retrieved from local node...");
// IIdentity currentNode = commMngr.getIdManager().getThisNetworkNode();
if (!myNode && !myCIS) {
if (logger.isDebugEnabled())
logger.debug("Attempting to retrieve services from remote node: " + node.getJid());
ServiceDiscoveryRemoteClient callback = new ServiceDiscoveryRemoteClient();
getServiceDiscoveryRemote().getServices(node, callback);
serviceList = callback.getResultList();
}
}
// Quick log message
if (logger.isDebugEnabled()) {
if (serviceList.isEmpty()) logger.debug("getServices: no services found!");
else {
Iterator<Service> it = serviceList.iterator();
String logStuff = "getServices: ";
while (it.hasNext()) {
logStuff += it.next().getServiceName() + "; \n";
}
logger.debug(logStuff);
}
}
return new AsyncResult<List<Service>>(serviceList);
}
