public string Invoke()
{
IIgnite ignite = Ignition.TryGetIgnite("TRex");
if (ignite != null)
{
ICache <string, MyCacheClass> cache = ignite.GetCache <string, MyCacheClass>("TestCache");
MyCacheClass c = cache.Get(s);
return("Affinity: " + c.name);
}
else
{
Console.WriteLine("Unable to get Ignite instance with Ignition.TryGetIgnite()");
return("Affinity: <Error: No Ignite>");
}
//return "Affinity: " + Ignition.TryGetIgnite().GetCache<String, MyCacheClass>("TestCache").Get(s).name;
}
static void Main(string[] args)
{
string s;
DateTime startTime;
DateTime endTime;
IgniteConfiguration cfg = new IgniteConfiguration()
{
IgniteInstanceName = "TRex",
// Register custom class for Ignite serialization
BinaryConfiguration = new Apache.Ignite.Core.Binary.BinaryConfiguration(typeof(MyCacheClass))
};
IIgnite ignite = Ignition.Start(cfg);
// Add a cache to Ignite
ICache <string, MyCacheClass> cache = ignite.CreateCache <string, MyCacheClass>
(new CacheConfiguration()
{
Name = "TestCache",
CopyOnRead = false,
KeepBinaryInStore = false,
CacheStoreFactory = new TRexCacheStoreFactory(),
ReadThrough = true,
WriteThrough = true,
WriteBehindFlushFrequency = new TimeSpan(0, 0, 5), // 5 seconds
EvictionPolicy = new LruEvictionPolicy()
{
MaxMemorySize = 1000000,
}
});
int NumCacheEntries = 5000;
// Add a cache item
cache.Put("First", new MyCacheClass("FirstItem"));
// Add a collectikon of items
startTime = DateTime.Now;
for (int i = 0; i < NumCacheEntries; i++)
{
cache.Put("First" + i, new MyCacheClass("First" + i));
}
endTime = DateTime.Now;
s = string.Format("{0}", endTime - startTime);
Console.WriteLine("Time to add cache items with serialisation: {0}", s);
int sumsum = 0;
// Query back the cache items with serialisation
startTime = DateTime.Now;
for (int i = 0; i < NumCacheEntries; i++)
{
MyCacheClass first = cache.Get("First" + i);
int sum = 0;
for (int ii = 0; ii < first.localData.Length; ii++)
{
sum += first.localData[ii];
}
sumsum += sum;
}
endTime = DateTime.Now;
s = string.Format("{0}", endTime - startTime);
Console.WriteLine("Time to query cache items with serialisation: {0}, sum = {1}", s, sumsum);
var binCache = cache.WithKeepBinary <string, IBinaryObject>();
// IBinaryObject binCacheItem = binCache["First"];
// Console.WriteLine(binCacheItem.GetField<string>("Name"));
// Query back the cache items without serialisation (using BinaryObject)
startTime = DateTime.Now;
for (int i = 0; i < NumCacheEntries; i++)
{
IBinaryObject binCacheItem = binCache["First" + i];
byte[] bytes = binCacheItem.GetField <byte[]>("localData");
int sum = 0;
for (int ii = 0; ii < bytes.Length; ii++)
{
sum += bytes[ii];
}
sumsum += sum;
}
endTime = DateTime.Now;
s = string.Format("{0}", endTime - startTime);
Console.WriteLine("Time to query cache items without serialisation: {0}, sum = {1}", s, sumsum);
// Get compute instance over all nodes in the cluster.
ICompute compute = ignite.GetCompute();
IClusterGroup compute2 = ignite.GetCompute().ClusterGroup;
// Execute a map reduce on the cluster
if (compute2.ForServers()?.GetNodes()?.Any() == true)
{
try
{
string mapReduceResult = ignite.GetCompute().Execute <string, string, string>(new MyComputeTask(), "Bob");
Console.WriteLine("Mapreduce result = '{0}'", mapReduceResult);
}
catch (Exception e)
{
Console.WriteLine("Exception executing mapReduce execution\r\n: {0}", e);
}
}
else
{
Console.WriteLine("Calling cluster mapReduce broadcast function: No servers present in cluster");
}
// Execute a command using affinity on the cluster
try
{
string affinityResult = ignite.GetCompute().AffinityCall <string>("TestCache", "First", new AffinityComputeFunc("First"));
Console.WriteLine("Affinity result = '{0}'", affinityResult);
}
catch (Exception e)
{
Console.WriteLine("Exception executing affinity execution\r\n: {0}", e);
}
if (ignite == null)
{
Console.WriteLine("Ignite instance is null at end of method");
}
Console.ReadKey();
}
