private void SetCacheListener(string regionName, ICacheListener <string, string> listener)
{
GIRegion region = CacheHelper.GetVerifyRegion <string, string>(regionName);
AttributesMutator <string, string> attrMutator = region.AttributesMutator;
attrMutator.SetCacheListener(listener);
}
public void RunDurableClient()
{
// Create durable client's properties using api.
Properties <string, string> durableProp = Properties <string, string> .Create <string, string>();
durableProp.Insert("durable-client-id", "DurableClientId");
durableProp.Insert("durable-timeout", "300");
// Create a Geode Cache programmatically.
CacheFactory cacheFactory = CacheFactory.CreateCacheFactory(durableProp);
Cache cache = cacheFactory.SetSubscriptionEnabled(true)
.Create();
Console.WriteLine("Created the Geode Cache");
// Create the example Region programmatically.
RegionFactory regionFactory = cache.CreateRegionFactory(RegionShortcut.CACHING_PROXY);
IRegion <string, string> region = regionFactory.Create <string, string>("exampleRegion");
Console.WriteLine("Created the generic Region programmatically.");
// Plugin the CacheListener with afterRegionLive. "afterRegionLive()" will be called
// after all the queued events are recieved by client
AttributesMutator <string, string> attrMutator = region.AttributesMutator;
attrMutator.SetCacheListener(new DurableCacheListener <string, string>());
Console.WriteLine("DurableCacheListener set to region.");
// For durable Clients, Register Intrest can be durable or non durable ( default ),
// Unregister Interest APIs remain same.
string [] keys = new string[] { "Key-1" };
region.GetSubscriptionService().RegisterKeys(keys, true, true);
Console.WriteLine("Called Register Interest for Key-1 with isDurable as true");
//Send ready for Event message to Server( only for Durable Clients ).
//Server will send queued events to client after recieving this.
cache.ReadyForEvents();
Console.WriteLine("Sent ReadyForEvents message to server");
//wait for some time to recieve events
System.Threading.Thread.Sleep(1000);
// Close the Geode Cache with keepalive = true. Server will queue events for
// durable registered keys and will deliver all events when client will reconnect
// within timeout period and send "readyForEvents()"
cache.Close(true);
Console.WriteLine("Closed the Geode Cache with keepalive as true");
}
void registerClassCl2()
{
try
{
CacheHelper.DCache.TypeRegistry.RegisterTypeGeneric(DeltaEx.create);
}
catch (IllegalStateException)
{
//do nothing
}
IRegion<object, object> reg = CacheHelper.GetRegion<object, object>("DistRegionAck");
reg.GetSubscriptionService().RegisterRegex(".*");
AttributesMutator<object, object> attrMutator = reg.AttributesMutator;
attrMutator.SetCacheListener(new SimpleCacheListener<object, object>());
}
private static void SetRegion(Region region)
{
m_region = region;
RegionAttributes attrs = m_region.Attributes;
if (attrs.ClientNotificationEnabled)
{
m_region.RegisterAllKeys();
}
// Add cache listener callback to region
if (attrs.CacheListener == null)
{
ExampleCacheListenerCallback listenerCallback =
new ExampleCacheListenerCallback();
AttributesMutator mutator = m_region.GetAttributesMutator();
mutator.SetCacheListener(listenerCallback);
}
}
static void Main(string[] args)
{
try
{
// Create a Geode Cache Programmatically.
CacheFactory cacheFactory = CacheFactory.CreateCacheFactory();
Cache cache = cacheFactory.SetSubscriptionEnabled(true)
.Create();
Console.WriteLine("Created the Geode Cache");
RegionFactory regionFactory = cache.CreateRegionFactory(RegionShortcut.CACHING_PROXY);
// Create the example Region programmatically.
IRegion <string, string> region = regionFactory
.SetEntryIdleTimeout(ExpirationAction.Destroy, 10)
.Create <string, string>("exampleRegion");
Console.WriteLine("Created the Region with generics support programmatically.");
// Plugin the SimpleCacheListener to the Region.
AttributesMutator <string, string> attrMutator = region.AttributesMutator;
attrMutator.SetCacheListener(new SimpleCacheListener <string, string>());
Console.WriteLine("Set the generic SimpleCacheListener on the Region");
// Put 3 Entries into the Region using the IDictionary interface.
region["Key1"] = "Value1";
region["Key2"] = "Value2";
region["Key3"] = "Value3";
Console.WriteLine("Put 3 Entries into the Region");
// Get the Entry Idle Timeout specified in the Cache XML file.
int entryIdleTimeout = region.Attributes.EntryIdleTimeout;
Console.WriteLine("Got Entry Idle Timeout as {0} seconds", entryIdleTimeout);
// Wait for half the Entry Idle Timeout duration.
Thread.Sleep(entryIdleTimeout * 1000 / 2);
// Get the number of Keys remaining in the Region, should be all 3.
ICollection <string> keys = region.GetLocalView().Keys;
Console.WriteLine("Got {0} keys before the Entry Idle Timeout duration elapsed", keys.Count);
// Get 2 of the 3 Entries from the Region to "reset" their Idle Timeouts.
string value1 = region["Key1"];
string value2 = region["Key2"];
Console.WriteLine("The SimpleCacheListener should next report the expiration action");
// Wait for the entire Entry Idle Timeout duration.
Thread.Sleep(entryIdleTimeout * 1000);
// Get the number of Keys remaining in the Region, should be 0 now.
keys = region.GetLocalView().Keys;
Console.WriteLine("Got {0} keys after the Entry Idle Timeout duration elapsed", keys.Count);
// Close the Geode Cache.
cache.Close();
Console.WriteLine("Closed the Geode Cache");
}
// An exception should not occur
catch (GeodeException gfex)
{
Console.WriteLine("DataExpiration Geode Exception: {0}", gfex.Message);
}
}
static void Main(string[] args)
{
try
{
// Create a Geode Cache.
CacheFactory cacheFactory = CacheFactory.CreateCacheFactory();
Cache cache = cacheFactory.Set("cache-xml-file", "XMLs/clientLoaderListenerWriter.xml")
.SetSubscriptionEnabled(true)
.Create();
Console.WriteLine("Created the Geode Cache");
// Get the example Region from the Cache which is declared in the Cache XML file.
IRegion <string, string> region = cache.GetRegion <string, string>("/exampleRegion");
Console.WriteLine("Obtained the generic Region from the Cache");
// Plugin the SimpleCacheLoader, SimpleCacheListener and SimpleCacheWrite to the Region.
AttributesMutator <string, string> attrMutator = region.AttributesMutator;
attrMutator.SetCacheLoader(new SimpleCacheLoader <string, string>());
attrMutator.SetCacheListener(new SimpleCacheListener <string, string>());
attrMutator.SetCacheWriter(new SimpleCacheWriter <string, string>());
Console.WriteLine("Attached the simple generic plugins on the Region");
// The following operations should cause the plugins to print the events.
// Put 3 Entries into the Region using the IDictionary interface.
region["Key1"] = "Value1";
region["Key2"] = "Value2";
region["Key3"] = "Value3";
Console.WriteLine("Put 3 Entries into the Region");
// Update Key3.
region["Key3"] = "Value3-Updated";
// Destroy Key3 using the IDictionary interface.
region.Remove("Key3");
// Invalidate Key2.
region.Invalidate("Key2");
string value = null;
try
{
// Get a new Key.
value = region["Key4"];
}
catch (KeyNotFoundException knfex)
{
Console.WriteLine("Got expected KeyNotFoundException: {0}", knfex.Message);
}
try
{
// Get a destroyed Key.
value = region["Key3"];
}
catch (KeyNotFoundException knfex)
{
Console.WriteLine("Got expected KeyNotFoundException: {0}", knfex.Message);
}
// Close the Geode Cache.
cache.Close();
Console.WriteLine("Closed the Geode Cache");
}
// An exception should not occur
catch (GeodeException gfex)
{
Console.WriteLine("LoaderListenerWriter Geode Exception: {0}", gfex.Message);
}
}