private void SetupRegion(uint entryTTL, uint entryIdleTimeout,
uint regionTTL, uint regionIdleTimeout)
{
const ExpirationAction action = ExpirationAction.Destroy;
RegionFactory rf = CacheHelper.DCache.CreateRegionFactory(RegionShortcut.LOCAL);
rf.SetEntryTimeToLive(action, entryTTL);
rf.SetEntryIdleTimeout(action, entryIdleTimeout);
rf.SetRegionTimeToLive(action, regionTTL);
rf.SetRegionIdleTimeout(action, regionIdleTimeout);
CacheHelper.Init();
IRegion <object, object> region = CacheHelper.GetRegion <object, object>(m_regionName);
if ((region != null) && !region.IsDestroyed)
{
region.GetLocalView().DestroyRegion();
Assert.IsTrue(region.IsDestroyed, "IRegion<object, object> {0} was not destroyed.", m_regionName);
}
m_region = rf.Create <object, object>(m_regionName);
Assert.IsNotNull(m_region, "IRegion<object, object> was not created.");
}
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);
}
}