static void Main(string[] args)
{
bool verbose = false;
if (args.Length == 1 && args[0] == "-v")
{
verbose = true;
}
try {
// Connect to the GemFire Distributed System using the settings from the gfcpp.properties file by default.
Properties prop = Properties.Create();
prop.Insert("cache-xml-file", "clientCqQuery.xml");
CacheFactory cacheFactory = CacheFactory.CreateCacheFactory(prop);
Cache cache = cacheFactory.SetSubscriptionEnabled(true)
.Create();
Console.WriteLine("Created the GemFire Cache");
// Get the Portfolios Region from the Cache which is declared in the Cache XML file.
Region region = cache.GetRegion("Portfolios");
Console.WriteLine("Obtained the Region from the Cache");
region.GetAttributesMutator().SetCacheListener(new MyCacheListener(verbose));
// Register our Serializable/Cacheable Query objects, viz. Portfolio and Position.
Serializable.RegisterType(Portfolio.CreateDeserializable);
Serializable.RegisterType(Position.CreateDeserializable);
//Register all keys
region.RegisterAllKeys();
Console.WriteLine("Registered Serializable Query Objects");
// Populate the Region with some Portfolio objects.
Portfolio port1 = new Portfolio(1 /*ID*/, 10 /*size*/);
Portfolio port2 = new Portfolio(2 /*ID*/, 20 /*size*/);
Portfolio port3 = new Portfolio(3 /*ID*/, 30 /*size*/);
region.Put("Key1", port1);
region.Put("Key2", port2);
region.Put("Key3", port3);
Console.WriteLine("Populated some Portfolio Objects");
// Get the QueryService from the Cache.
QueryService qrySvc = cache.GetQueryService();
Console.WriteLine("Got the QueryService from the Cache");
//create CqAttributes with listener
CqAttributesFactory cqFac = new CqAttributesFactory();
ICqListener cqLstner = new MyCqListener(0, verbose);
cqFac.AddCqListener(cqLstner);
CqAttributes cqAttr = cqFac.Create();
//create a new cqQuery
CqQuery qry = qrySvc.NewCq(cqNames[0], queryStrings[0], cqAttr, true);
// Execute a CqQuery with Initial Results
ICqResults results = qry.ExecuteWithInitialResults();
Console.WriteLine("ResultSet Query returned {0} rows", results.Size);
SelectResultsIterator iter = results.GetIterator();
while (iter.HasNext)
{
IGFSerializable item = iter.Next();
if (item != null)
{
Struct st = item as Struct;
CacheableString key = st["key"] as CacheableString;
Console.WriteLine("Got key " + key.Value);
Portfolio port = st["value"] as Portfolio;
if (port == null)
{
Position pos = st["value"] as Position;
if (pos == null)
{
CacheableString cs = st["value"] as CacheableString;
if (cs == null)
{
Console.WriteLine("Query got other/unknown object.");
}
else
{
Console.WriteLine("Query got string : {0}.", cs.Value);
}
}
else
{
Console.WriteLine("Query got Position object with secId {0}, shares {1}.", pos.SecId, pos.SharesOutstanding);
}
}
else
{
Console.WriteLine("Query got Portfolio object with ID {0}, pkid {1}.", port.ID, port.Pkid);
}
}
}
//Stop the cq
qry.Stop();
//Restart the cq
qry.Execute();
for (int i = 1; i < cqNames.Length; i++)
{
ICqListener cqLstner1 = new MyCqListener(i, verbose);
cqFac.AddCqListener(cqLstner1);
cqAttr = cqFac.Create();
qry = qrySvc.NewCq(cqNames[i], queryStrings[i], cqAttr, true);
}
qry = qrySvc.GetCq(cqNames[6]);
cqAttr = qry.GetCqAttributes();
ICqListener[] vl = cqAttr.getCqListeners();
Console.WriteLine("number of listeners for cq[{0}] is {1}", cqNames[6], vl.Length);
qry = qrySvc.GetCq(cqNames[0]);
CqAttributesMutator cqam = qry.GetCqAttributesMutator();
for (int i = 0; i < vl.Length; i++)
{
cqam.AddCqListener(vl[i]);
}
//Stop the cq
qry.Stop();
//Start all Cq Query
qrySvc.ExecuteCqs();
for (int i = 0; i < cqNames.Length; i++)
{
Console.WriteLine("get info for cq[{0}]:", cqNames[i]);
CqQuery cqy = qrySvc.GetCq(cqNames[i]);
CqStatistics cqStats = cqy.GetStatistics();
Console.WriteLine("Cq[{0}]: CqStatistics: numInserts[{1}], numDeletes[{2}], numUpdates[{3}], numEvents[{4}]",
cqNames[i], cqStats.numInserts(), cqStats.numDeletes(), cqStats.numUpdates(), cqStats.numEvents());
}
CqServiceStatistics serviceStats = qrySvc.GetCqStatistics();
Console.WriteLine("numCqsActive={0}, numCqsCreated={1}, numCqsClosed={2}, numCqsStopped={3}, numCqsOnClient={4}",
serviceStats.numCqsActive(), serviceStats.numCqsCreated(), serviceStats.numCqsClosed(),
serviceStats.numCqsStopped(), serviceStats.numCqsOnClient());
while (true)
{
Console.WriteLine("*******Type \'q\' to quit !!!! ******");
ConsoleKeyInfo ckey;
ckey = Console.ReadKey(true);
if (ckey.Key == ConsoleKey.Q)
{
break;
}
}
//Stop all cqs
qrySvc.StopCqs();
for (int i = 0; i < cqNames.Length; i++)
{
Console.WriteLine("get info for cq[{0}]:", cqNames[i]);
CqQuery cqy = qrySvc.GetCq(cqNames[i]);
cqAttr = qry.GetCqAttributes();
vl = cqAttr.getCqListeners();
Console.WriteLine("number of listeners for cq[{0}] is {1}", cqNames[i], vl.Length);
CqStatistics cqStats = cqy.GetStatistics();
Console.WriteLine("Cq[{0}]: CqStatistics: numInserts[{1}], numDeletes[{2}], numUpdates[{3}], numEvents[{4}]",
cqNames[i], cqStats.numInserts(), cqStats.numDeletes(), cqStats.numUpdates(), cqStats.numEvents());
}
//Close all cqs
qrySvc.CloseCqs();
Console.WriteLine("numCqsActive={0}, numCqsCreated={1}, numCqsClosed={2}, numCqsStopped={3}, numCqsOnClient={4}",
serviceStats.numCqsActive(), serviceStats.numCqsCreated(), serviceStats.numCqsClosed(), serviceStats.numCqsStopped(),
serviceStats.numCqsOnClient());
// Close the GemFire Cache.
cache.Close();
Console.WriteLine("Closed the GemFire Cache");
}
// An exception should not occur
catch (GemFireException gfex) {
Console.WriteLine("CqQuery GemFire Exception: {0}", gfex.Message);
}
}