static void Main(string[] args)
{
try
{
// Create a Geode Cache Programmatically.
CacheFactory cacheFactory = CacheFactory.CreateCacheFactory();
Cache cache = cacheFactory.SetSubscriptionEnabled(true)
.AddServer("localhost", 50505)
.Create();
Console.WriteLine("Created the Geode Cache");
RegionFactory regionFactory = cache.CreateRegionFactory(RegionShortcut.PROXY);
// Create the example Region programmatically.
IRegion <string, Portfolio> region = regionFactory.Create <string, Portfolio>("Portfolios");
Console.WriteLine("Created the Region Programmatically.");
// Register our Serializable/Cacheable Query objects, viz. Portfolio and Position.
Serializable.RegisterTypeGeneric(Portfolio.CreateDeserializable);
Serializable.RegisterTypeGeneric(Position.CreateDeserializable);
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["Key1"] = port1;
region["Key2"] = port2;
region["Key3"] = port3;
Console.WriteLine("Populated some Portfolio Objects");
// Get the QueryService from the Cache.
QueryService <string, object> qrySvc = cache.GetQueryService <string, object>();
Console.WriteLine("Got the QueryService from the Cache");
//create CqAttributes with listener
CqAttributesFactory <string, object> cqFac = new CqAttributesFactory <string, object>();
ICqListener <string, object> cqLstner = new MyCqListener <string, object>();
cqFac.AddCqListener(cqLstner);
CqAttributes <string, object> cqAttr = cqFac.Create();
//create a new cqQuery
CqQuery <string, object> qry = qrySvc.NewCq("MyCq", "select * from /Portfolios" + " p where p.ID!=2", cqAttr, false);
// Execute a CqQuery with Initial Results
ICqResults <object> results = qry.ExecuteWithInitialResults();
Console.WriteLine("ResultSet Query returned {0} rows", results.Size);
//make changes to generate cq events
region["Key2"] = port1;
region["Key3"] = port2;
region["Key1"] = port3;
SelectResultsIterator <object> iter = results.GetIterator();
while (iter.HasNext)
{
object item = iter.Next();
if (item != null)
{
Struct st = item as Struct;
string key = st["key"] as string;
Console.WriteLine("Got key " + key);
Portfolio port = st["value"] as Portfolio;
if (port == null)
{
Position pos = st["value"] as Position;
if (pos == null)
{
string cs = st["value"] as string;
if (cs == null)
{
Console.WriteLine("Query got other/unknown object.");
}
else
{
Console.WriteLine("Query got string : {0}.", cs);
}
}
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();
//Close the cq
qry.Close();
// Close the Geode Cache.
cache.Close();
Console.WriteLine("Closed the Geode Cache");
}
// An exception should not occur
catch (GeodeException gfex)
{
Console.WriteLine("CqQuery Geode Exception: {0}", gfex.Message);
}
}
static void Main(string[] args)
{
try
{
//Create CacheFactory using the user specified properties or from the gfcpp.properties file by default.
Properties <string, string> prp = Properties <string, string> .Create <string, string>();
prp.Insert("cache-xml-file", "XMLs/clientPoolCqQuery.xml");
CacheFactory cacheFactory = CacheFactory.CreateCacheFactory(prp);
Console.WriteLine("Created CacheFactory");
// Create a Geode Cache with the "clientPoolCqQuery.xml" Cache XML file.
Cache cache = cacheFactory.Create();
Console.WriteLine("Created the Geode Cache");
// Get the Portfolios Region from the Cache which is declared in the Cache XML file.
IRegion <string, Portfolio> region = cache.GetRegion <string, Portfolio>("Portfolios");
Console.WriteLine("Obtained the Region from the Cache");
// Register our Serializable/Cacheable Query objects, viz. Portfolio and Position.
Serializable.RegisterTypeGeneric(Portfolio.CreateDeserializable);
Serializable.RegisterTypeGeneric(Position.CreateDeserializable);
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["Key1"] = port1;
region["Key2"] = port2;
region["Key3"] = port3;
Console.WriteLine("Populated some Portfolio Objects");
Pool pp = PoolManager.Find("examplePool");
// Get the QueryService from the Pool
QueryService <string, object> qrySvc = pp.GetQueryService <string, object>();
Console.WriteLine("Got the QueryService from the Cache");
//create CqAttributes with listener
CqAttributesFactory <string, object> cqFac = new CqAttributesFactory <string, object>();
ICqListener <string, object> cqLstner = new MyCqListener <string, object>();
cqFac.AddCqListener(cqLstner);
CqAttributes <string, object> cqAttr = cqFac.Create();
//create a new cqQuery
CqQuery <string, object> qry = qrySvc.NewCq("MyCq", "select * from /Portfolios" + " p where p.ID!=2", cqAttr, false);
// Execute a CqQuery with Initial Results
ICqResults <object> results = qry.ExecuteWithInitialResults();
Console.WriteLine("ResultSet Query returned {0} rows", results.Size);
//make changes to generate cq events
region["Key2"] = port1;
region["Key3"] = port2;
region["Key1"] = port3;
SelectResultsIterator <object> iter = results.GetIterator();
while (iter.HasNext)
{
object item = iter.Next();
if (item != null)
{
Struct st = item as Struct;
string key = st["key"] as string;;
Console.WriteLine("Got key " + key);
Portfolio port = st["value"] as Portfolio;
if (port == null)
{
Position pos = st["value"] as Position;
if (pos == null)
{
string cs = st["value"] as string;
if (cs == null)
{
Console.WriteLine("Query got other/unknown object.");
}
else
{
Console.WriteLine("Query got string : {0}.", cs);
}
}
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();
//Close the cq
qry.Close();
// Close the Geode Cache.
cache.Close();
Console.WriteLine("Closed the Geode Cache");
}
// An exception should not occur
catch (GeodeException gfex)
{
Console.WriteLine("PoolCqQuery Geode Exception: {0}", gfex.Message);
}
}