yes i tried with try catch and the same message i got.
Apache.Ignite.Core.Cache.Store.CacheStoreException was unhandled by user
code
HResult=-2146233088
Message=class org.apache.ignite.transactions.TransactionRollbackException:
Transaction has been rolled back: 48906b28c51-00000000-0674-
db36-0000-000000000001
Source=Apache.Ignite.Core
StackTrace:
at Apache.Ignite.Core.Impl.PlatformTarget.DoOutInOpX(Int32 type,
Action`1 outAction, Func`2 inErrorAction)
at Apache.Ignite.Core.Impl.Cache.CacheImpl`2.DoOutOp[T1,T2](CacheOp
op, T1 x, T2 y)
at Apache.Ignite.Core.Impl.Cache.CacheImpl`2.Put(TK key, TV val)
at Addtableentirely.Program.Changed(Object sender,
RecordChangedEventArgs`1 e) in C:\Users\M1029218\Documents\Visual Studio
2015\Projects\Apacheignite\Addtableentirely\Program.cs:line 260
InnerException:
HResult=-2146233088
Message=Transaction has been rolled back: 48906b28c51-00000000-0674-
db36-0000-000000000001
InnerException:
HResult=-2147467262
Message=Unable to cast object of type
'System.Collections.Generic.List`1[Addtableentirely.car]' to type
'Addtableentirely.car'.
Source=Apache.Ignite.Core
StackTrace:
at Apache.Ignite.Core.Impl.Binary.
BinaryReflectiveSerializerInternal.Apache.Ignite.Core.Impl.Binary.
IBinarySerializerInternal.ReadBinary[T](BinaryReader reader,
IBinaryTypeDescriptor desc, Int32 pos)
at
Apache.Ignite.Core.Impl.Binary.BinaryReader.ReadFullObject[T](Int32
pos)
at
Apache.Ignite.Core.Impl.Binary.BinaryReader.TryDeserialize[T](T&
res)
at Apache.Ignite.Core.Impl.Binary.BinaryReader.
Deserialize[T]()
at
Apache.Ignite.Core.Impl.Binary.BinaryReader.ReadBinaryObject[T](Boolean
doDetach)
at
Apache.Ignite.Core.Impl.Binary.BinaryReader.TryDeserialize[T](T&
res)
at Apache.Ignite.Core.Impl.Binary.BinaryReader.
Deserialize[T]()
at Apache.Ignite.Core.Impl.Binary.BinaryReader.
ReadObject[T]()
at Apache.Ignite.Core.Impl.Cache.
Store.CacheStoreInternal`2.Invoke(IBinaryStream stream, Ignite grid)
at
Apache.Ignite.Core.Impl.Cache.Store.CacheStore.Invoke(PlatformMemoryStream
stream, Ignite grid)
at
Apache.Ignite.Core.Impl.Unmanaged.UnmanagedCallbacks.CacheStoreInvoke(Int64
memPtr)
InnerException:
On Wed, Jun 7, 2017 at 10:01 PM, Pavel Tupitsyn <[email protected]>
wrote:
> That is strange, can you wrap it in try-catch block and print out
> ex.ToString()?
> How many nodes do you have?
>
> On Wed, Jun 7, 2017 at 5:46 PM, Chetan D <[email protected]> wrote:
>
>> Hi Pavel,
>>
>> That is the full stack trace
>>
>> On Jun 7, 2017 7:00 PM, "Pavel Tupitsyn" <[email protected]> wrote:
>>
>>> Hi Chetan, is that full stack trace?
>>>
>>> Pavel
>>>
>>> On Wed, Jun 7, 2017 at 4:20 PM, Chetan D <[email protected]> wrote:
>>>
>>>> Hi Pavel,
>>>>
>>>> I have implemented Lock but got following exception.
>>>>
>>>> using (var cacheLock = cache.Lock(1))
>>>> {
>>>> cacheLock.Enter();
>>>> List<Car> cars = cache.Get(1);
>>>> cars.Add(newCar);
>>>> cache.Put(1, cars);-------------------------->exception here
>>>> cacheLock.Exit();
>>>> }
>>>>
>>>> Apache.Ignite.Core.Cache.Store.CacheStoreException was unhandled by
>>>> user code
>>>> HResult=-2146233088
>>>> Message=class
>>>> org.apache.ignite.transactions.TransactionRollbackException:
>>>> Transaction has been rolled back: 48906b28c51-00000000-0674-db36
>>>> -0000-000000000001
>>>> Source=Apache.Ignite.Core
>>>> StackTrace:
>>>> at Apache.Ignite.Core.Impl.PlatformTarget.DoOutInOpX(Int32
>>>> type, Action`1 outAction, Func`2 inErrorAction)
>>>> at Apache.Ignite.Core.Impl.Cache.CacheImpl`2.DoOutOp[T1,T2](CacheOp
>>>> op, T1 x, T2 y)
>>>> at Apache.Ignite.Core.Impl.Cache.CacheImpl`2.Put(TK key, TV val)
>>>> at Addtableentirely.Program.Changed(Object sender,
>>>> RecordChangedEventArgs`1 e) in C:\Users\M1029218\Documents\Visual
>>>> Studio 2015\Projects\Apacheignite\Addtableentirely\Program.cs:line 260
>>>> InnerException:
>>>> HResult=-2146233088
>>>> Message=Transaction has been rolled back:
>>>> 48906b28c51-00000000-0674-db36-0000-000000000001
>>>> InnerException:
>>>> HResult=-2147467262
>>>> Message=Unable to cast object of type '
>>>> System.Collections.Generic.List`1[Addtableentirely.car]' to type
>>>> 'Addtableentirely.car'.
>>>> Source=Apache.Ignite.Core
>>>> StackTrace:
>>>> at Apache.Ignite.Core.Impl.Binary
>>>> .BinaryReflectiveSerializerInternal.Apache.Ignite.Core.Impl.
>>>> Binary.IBinarySerializerInternal.ReadBinary[T](BinaryReader reader,
>>>> IBinaryTypeDescriptor desc, Int32 pos)
>>>> at Apache.Ignite.Core.Impl.Binary
>>>> .BinaryReader.ReadFullObject[T](Int32 pos)
>>>> at Apache.Ignite.Core.Impl.Binary
>>>> .BinaryReader.TryDeserialize[T](T& res)
>>>> at Apache.Ignite.Core.Impl.Binary
>>>> .BinaryReader.Deserialize[T]()
>>>> at Apache.Ignite.Core.Impl.Binary
>>>> .BinaryReader.ReadBinaryObject[T](Boolean doDetach)
>>>> at Apache.Ignite.Core.Impl.Binary
>>>> .BinaryReader.TryDeserialize[T](T& res)
>>>> at Apache.Ignite.Core.Impl.Binary
>>>> .BinaryReader.Deserialize[T]()
>>>> at Apache.Ignite.Core.Impl.Binary
>>>> .BinaryReader.ReadObject[T]()
>>>> at Apache.Ignite.Core.Impl.Cache.
>>>> Store.CacheStoreInternal`2.Invoke(IBinaryStream stream, Ignite grid)
>>>> at Apache.Ignite.Core.Impl.Cache.
>>>> Store.CacheStore.Invoke(PlatformMemoryStream stream, Ignite grid)
>>>> at Apache.Ignite.Core.Impl.Unmana
>>>> ged.UnmanagedCallbacks.CacheStoreInvoke(Int64 memPtr)
>>>> InnerException:
>>>>
>>>>
>>>> On Wed, Jun 7, 2017 at 5:33 PM, Pavel Tupitsyn <[email protected]>
>>>> wrote:
>>>>
>>>>> > my requirement is such that i need to store all values of table with
>>>>> single key associated
>>>>> How many values do you plan to store in a single Ignite entry?
>>>>> Typically you have one Ignite cache entry for one DB row.
>>>>>
>>>>> > when a new record has been added and that new record i need to
>>>>> insert it to cache
>>>>> So you in Ignite you have a mapping from int to List<Car>, right?
>>>>> ICache<int, List<Car>>?
>>>>> If you need to insert a new Car into that list atomically, you can do
>>>>> that within a cache lock:
>>>>>
>>>>> using (var cacheLock = cache.Lock(1))
>>>>> {
>>>>> cacheLock.Enter();
>>>>> List<Car> cars = cache.Get(1);
>>>>> cars.Add(newCar);
>>>>> cache.Put(1, cars);
>>>>> cacheLock.Exit();
>>>>> }
>>>>>
>>>>> > difference between cache.getandreplace() and cache.getandput()
>>>>> GetAndReplace does not do anything if there is no entry with specified
>>>>> key.
>>>>> GetAndPut always has effect: either creates new entry or updates
>>>>> existing
>>>>>
>>>>> cache.GetAndReplace(1, "");
>>>>> cache.ContainsKey(1); // False
>>>>> cache.GetAndPut(2, "");
>>>>> cache.ContainsKey(2); // True
>>>>>
>>>>>
>>>>> > Unable to cast object of type
>>>>> > 'System.Collections.Generic.List`1[Addtableentirely.car]'
>>>>> to type 'Addtableentirely.car'
>>>>> Your cache store implementation is ICacheStore<int, car> while there
>>>>> is List<car> value in cache.
>>>>> Change the cache store to ICacheStore<int, List<car>>
>>>>>
>>>>> > the issue is when i do the above code it is again actually calling
>>>>> my icachestore method WRITE() and the data is again added to database
>>>>> table
>>>>> To avoid this use WithSkipStore method:
>>>>> cache.WithSkipStore().Put(e.Entity.ID,new car(e.Entity.Name,
>>>>> e.Entity.Power));
>>>>>
>>>>> Here you have ICache<int, car> again instead of List<car>, by the way.
>>>>> Have you decided to go this way instead?
>>>>>
>>>>>
>>>>> > $bin/ignite.sh but its not working
>>>>> For .NET please use
>>>>> platforms\dotnet\bin\Apache.Ignite.exe
>>>>>
>>>>>
>>>>> Thanks,
>>>>>
>>>>> Pavel
>>>>>
>>>>> On Wed, Jun 7, 2017 at 2:08 PM, Chetan D <[email protected]> wrote:
>>>>>
>>>>>> Hi,
>>>>>>
>>>>>> I need one more help can you tell me how to start ignite node without
>>>>>> using Visual studio.
>>>>>>
>>>>>> i have seen this command
>>>>>>
>>>>>> $bin/ignite.sh
>>>>>>
>>>>>> but its not working
>>>>>>
>>>>>>
>>>>>>
>>>>>> On Wed, Jun 7, 2017 at 4:29 PM, Chetan D <[email protected]> wrote:
>>>>>>
>>>>>>> Hi Pavel,
>>>>>>>
>>>>>>> when a new record has been added to DB i have handled it through
>>>>>>> event and i was able to add it to cache
>>>>>>> like this
>>>>>>> var ignite = Ignition.GetIgnite();
>>>>>>> var cache = ignite.GetCache<int, car>("cars");
>>>>>>> cache.Put(e.Entity.ID,new car(e.Entity.Name,
>>>>>>> e.Entity.Power));
>>>>>>>
>>>>>>> but the issue is when i do the above code it is again actually
>>>>>>> calling my icachestore method WRITE() and the data is again added to
>>>>>>> database table.
>>>>>>>
>>>>>>> On Wed, Jun 7, 2017 at 3:13 PM, Chetan D <[email protected]>
>>>>>>> wrote:
>>>>>>>
>>>>>>>> also i am doing this and got the following error dont know what it
>>>>>>>> is.
>>>>>>>>
>>>>>>>> SqlCommand cmd = new SqlCommand("select Name,Power from Cars", con);
>>>>>>>> con.Open();
>>>>>>>> rdr = cmd.ExecuteReader();
>>>>>>>>
>>>>>>>> #region using put
>>>>>>>> List<car> directcar = new List<car>();
>>>>>>>> while (rdr.Read())
>>>>>>>> {
>>>>>>>> directcar.Add(new
>>>>>>>> car(rdr["Name"].ToString(), Convert.ToDouble(rdr["Power"])));
>>>>>>>> }
>>>>>>>> cache.Put(2, directcar);
>>>>>>>>
>>>>>>>> got this exception
>>>>>>>> Apache.Ignite.Core.Cache.Store.CacheStoreException was unhandled
>>>>>>>> HResult=-2146233088
>>>>>>>> Message=class org.apache.ignite.internal.pro
>>>>>>>> cessors.cache.CachePartialUpdateCheckedException: Failed to update
>>>>>>>> keys (retry update if possible).: [2]
>>>>>>>> Source=Apache.Ignite.Core
>>>>>>>> StackTrace:
>>>>>>>> at Apache.Ignite.Core.Impl.PlatformTarget.DoOutInOpX(Int32
>>>>>>>> type, Action`1 outAction, Func`2 inErrorAction)
>>>>>>>> at Apache.Ignite.Core.Impl.Cache.
>>>>>>>> CacheImpl`2.DoOutOp[T1,T2](CacheOp op, T1 x, T2 y)
>>>>>>>> at Apache.Ignite.Core.Impl.Cache.CacheImpl`2.Put(TK key, TV
>>>>>>>> val)
>>>>>>>> at Addtableentirely.Program.Main(String[] args) in
>>>>>>>> C:\Users\M1029218\Documents\Visual Studio
>>>>>>>> 2015\Projects\Apacheignite\Addtableentirely\Program.cs:line 106
>>>>>>>> at System.AppDomain._nExecuteAssembly(RuntimeAssembly
>>>>>>>> assembly, String[] args)
>>>>>>>> at System.AppDomain.ExecuteAssembly(String assemblyFile,
>>>>>>>> Evidence assemblySecurity, String[] args)
>>>>>>>> at Microsoft.VisualStudio.Hosting
>>>>>>>> Process.HostProc.RunUsersAssembly()
>>>>>>>> at System.Threading.ThreadHelper.ThreadStart_Context(Object
>>>>>>>> state)
>>>>>>>> at System.Threading.ExecutionCont
>>>>>>>> ext.RunInternal(ExecutionContext executionContext, ContextCallback
>>>>>>>> callback, Object state, Boolean preserveSyncCtx)
>>>>>>>> at System.Threading.ExecutionContext.Run(ExecutionContext
>>>>>>>> executionContext, ContextCallback callback, Object state, Boolean
>>>>>>>> preserveSyncCtx)
>>>>>>>> at System.Threading.ExecutionContext.Run(ExecutionContext
>>>>>>>> executionContext, ContextCallback callback, Object state)
>>>>>>>> at System.Threading.ThreadHelper.ThreadStart()
>>>>>>>> InnerException:
>>>>>>>> HResult=-2147467262
>>>>>>>> Message=Unable to cast object of type '
>>>>>>>> System.Collections.Generic.List`1[Addtableentirely.car]' to type
>>>>>>>> 'Addtableentirely.car'.
>>>>>>>> Source=Apache.Ignite.Core
>>>>>>>> StackTrace:
>>>>>>>> at Apache.Ignite.Core.Impl.Binary
>>>>>>>> .BinaryReflectiveSerializerInternal.Apache.Ignite.Core.Impl.
>>>>>>>> Binary.IBinarySerializerInternal.ReadBinary[T](BinaryReader
>>>>>>>> reader, IBinaryTypeDescriptor desc, Int32 pos)
>>>>>>>> at Apache.Ignite.Core.Impl.Binary
>>>>>>>> .BinaryReader.ReadFullObject[T](Int32 pos)
>>>>>>>> at Apache.Ignite.Core.Impl.Binary
>>>>>>>> .BinaryReader.TryDeserialize[T](T& res)
>>>>>>>> at Apache.Ignite.Core.Impl.Binary
>>>>>>>> .BinaryReader.Deserialize[T]()
>>>>>>>> at Apache.Ignite.Core.Impl.Binary
>>>>>>>> .BinaryReader.ReadBinaryObject[T](Boolean doDetach)
>>>>>>>> at Apache.Ignite.Core.Impl.Binary
>>>>>>>> .BinaryReader.TryDeserialize[T](T& res)
>>>>>>>> at Apache.Ignite.Core.Impl.Binary
>>>>>>>> .BinaryReader.Deserialize[T]()
>>>>>>>> at Apache.Ignite.Core.Impl.Binary
>>>>>>>> .BinaryReader.ReadObject[T]()
>>>>>>>> at Apache.Ignite.Core.Impl.Cache.
>>>>>>>> Store.CacheStoreInternal`2.Invoke(IBinaryStream stream, Ignite
>>>>>>>> grid)
>>>>>>>> at Apache.Ignite.Core.Impl.Cache.
>>>>>>>> Store.CacheStore.Invoke(PlatformMemoryStream stream, Ignite grid)
>>>>>>>> at Apache.Ignite.Core.Impl.Unmana
>>>>>>>> ged.UnmanagedCallbacks.CacheStoreInvoke(Int64 memPtr)
>>>>>>>> InnerException:
>>>>>>>>
>>>>>>>>
>>>>>>>> On Wed, Jun 7, 2017 at 3:08 PM, Chetan D <[email protected]>
>>>>>>>> wrote:
>>>>>>>>
>>>>>>>>> Hi Pavel,
>>>>>>>>>
>>>>>>>>> I got that its easy when there is a key with value but my
>>>>>>>>> requirement is such that i need to store all values of table with
>>>>>>>>> single
>>>>>>>>> key associated.
>>>>>>>>>
>>>>>>>>> The code which you sent is not working and doesnt give any error
>>>>>>>>> as well.
>>>>>>>>>
>>>>>>>>> you have sent it in case when an update happens.
>>>>>>>>>
>>>>>>>>> my question is when a new record has been added and that new
>>>>>>>>> record i need to insert it to cache.
>>>>>>>>>
>>>>>>>>> and also i have a column in my table in which i have updated say
>>>>>>>>> in this case name value to something else so i need to update that
>>>>>>>>> corresponding value in cache as well.
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> can you tell me the difference between cache.getandreplace() and
>>>>>>>>> cache.getandput() they both are doing same thing actually.
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> it would be helpfull if i can get answer with respect to list
>>>>>>>>> storage.
>>>>>>>>>
>>>>>>>>> On Wed, Jun 7, 2017 at 2:34 PM, Pavel Tupitsyn <
>>>>>>>>> [email protected]> wrote:
>>>>>>>>>
>>>>>>>>>> Hi Chetan,
>>>>>>>>>>
>>>>>>>>>> I'm not sure about #1 and #3 - why do you add all entities as a
>>>>>>>>>> list with a single key? Typically this is not how Ignite is used.
>>>>>>>>>> Proper way is to add each entity (Car) as a separate cache entry,
>>>>>>>>>> with unique key (id), like in #2.
>>>>>>>>>>
>>>>>>>>>> As soon as you have all data in cache, each Car with a unique id,
>>>>>>>>>> and you have an SQL listener set up, event handler can look like
>>>>>>>>>> this:
>>>>>>>>>>
>>>>>>>>>> static void Changed(object sender, RecordChangedEventArgs<Car> e)
>>>>>>>>>> {
>>>>>>>>>> var ignite = Ignition.GetIgnite();
>>>>>>>>>> var cache = ignite.GetCache<int, Car>("cars");
>>>>>>>>>>
>>>>>>>>>> switch (e.ChangeType)
>>>>>>>>>> {
>>>>>>>>>> case ChangeType.Update:
>>>>>>>>>> cache.Put(e.ID, e);
>>>>>>>>>> break;
>>>>>>>>>> case ChangeType.Delete:
>>>>>>>>>> cache.Remove(e.ID);
>>>>>>>>>> break;
>>>>>>>>>> }
>>>>>>>>>> }
>>>>>>>>>>
>>>>>>>>>> Let me know if this makes sense.
>>>>>>>>>>
>>>>>>>>>> Thanks,
>>>>>>>>>> Pavel
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> On Wed, Jun 7, 2017 at 11:41 AM, Chetan D <[email protected]>
>>>>>>>>>> wrote:
>>>>>>>>>>
>>>>>>>>>>> Hi Pavel,
>>>>>>>>>>>
>>>>>>>>>>> I am using the same car program which you have written in blog
>>>>>>>>>>> and i have some doubts on that.
>>>>>>>>>>>
>>>>>>>>>>> I have the following scenarios which i have doubts on.
>>>>>>>>>>>
>>>>>>>>>>> 1.#region using put
>>>>>>>>>>> List<car> directcar = new List<car>();
>>>>>>>>>>> while (rdr.Read())
>>>>>>>>>>> {
>>>>>>>>>>> directcar.Add(new
>>>>>>>>>>> car(rdr["Name"].ToString(), Convert.ToDouble(rdr["Power"])));
>>>>>>>>>>> }
>>>>>>>>>>> cache.Put(1, directcar);
>>>>>>>>>>> #endregion put
>>>>>>>>>>> Here i am creating a cache and adding list of values with a
>>>>>>>>>>> single key
>>>>>>>>>>>
>>>>>>>>>>> 2.Using data streamer
>>>>>>>>>>> //using (var ldr = ignite.GetDataStreamer<int,
>>>>>>>>>>> car>(cacheCfg.Name))
>>>>>>>>>>> //{
>>>>>>>>>>> // //ldr.PerNodeBufferSize = 1024;
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> // while (rdr.Read())
>>>>>>>>>>> // {
>>>>>>>>>>> // ldr.AddData((int)rdr[0], new
>>>>>>>>>>> car(rdr["Name"].ToString(),Convert.ToDouble(rdr["Power"])));
>>>>>>>>>>>
>>>>>>>>>>> // Console.WriteLine("LDR" + ldr.ToString());
>>>>>>>>>>>
>>>>>>>>>>> // }
>>>>>>>>>>>
>>>>>>>>>>> //}
>>>>>>>>>>> here i am using datastreamer and adding each values with a key
>>>>>>>>>>>
>>>>>>>>>>> 3. #region adding all elements as list with single key using get
>>>>>>>>>>> datastremer
>>>>>>>>>>> using (var ldr = ignite.GetDataStreamer<int,
>>>>>>>>>>> List<car>>(cacheCfg.Name))
>>>>>>>>>>> {
>>>>>>>>>>> List<car> cars = new List<car>();
>>>>>>>>>>>
>>>>>>>>>>> while (rdr.Read())
>>>>>>>>>>> {
>>>>>>>>>>> cars.Add(new
>>>>>>>>>>> car(rdr["Name"].ToString(), Convert.ToDouble(rdr["Power"])));
>>>>>>>>>>> }
>>>>>>>>>>> ldr.AddData(1, cars);
>>>>>>>>>>> Console.WriteLine("LDR" +
>>>>>>>>>>> ldr.ToString());
>>>>>>>>>>>
>>>>>>>>>>> }
>>>>>>>>>>> #region reading from cache
>>>>>>>>>>> foreach (ICacheEntry<int, List<car>> car in
>>>>>>>>>>> cache)
>>>>>>>>>>> {
>>>>>>>>>>> foreach (car cars in car.Value)
>>>>>>>>>>> {
>>>>>>>>>>> Console.WriteLine(cars.ToString());
>>>>>>>>>>> }
>>>>>>>>>>> Console.WriteLine(car.Value.ToList());
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> }
>>>>>>>>>>> #endregion
>>>>>>>>>>> here i am using data streamer to add list of values with a
>>>>>>>>>>> single key.
>>>>>>>>>>>
>>>>>>>>>>> so now when this application is running and all the cache data
>>>>>>>>>>> has been loaded i have added a new record in my table.
>>>>>>>>>>>
>>>>>>>>>>> so for that i have added a listener like this
>>>>>>>>>>>
>>>>>>>>>>> var mapper = new ModelToTableMapper<car>();
>>>>>>>>>>> mapper.AddMapping(c => c.ID, "ID");
>>>>>>>>>>> mapper.AddMapping(c => c.Name, "Name");
>>>>>>>>>>> mapper.AddMapping(c => c.Power, "Power");
>>>>>>>>>>> mapper.AddMapping(c => c.IsAvailable,
>>>>>>>>>>> "IsAvailable");
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> using (var dep = new
>>>>>>>>>>> SqlTableDependency<car>(ad.sqlconnection, "Cars", mapper))
>>>>>>>>>>> {
>>>>>>>>>>> dep.OnChanged += Changed;
>>>>>>>>>>> dep.Start();
>>>>>>>>>>>
>>>>>>>>>>> Console.WriteLine("Press a key to exit");
>>>>>>>>>>> Console.ReadKey();
>>>>>>>>>>>
>>>>>>>>>>> dep.Stop();
>>>>>>>>>>> }
>>>>>>>>>>> #endregion
>>>>>>>>>>> static void Changed(object sender, RecordChangedEventArgs<car>
>>>>>>>>>>> e)
>>>>>>>>>>> {
>>>>>>>>>>> if (e.ChangeType != ChangeType.None)
>>>>>>>>>>> {
>>>>>>>>>>> var changedEntity = e.Entity;
>>>>>>>>>>> Console.WriteLine("DML operation: " +
>>>>>>>>>>> e.ChangeType);
>>>>>>>>>>> Console.WriteLine("ID: " + changedEntity.ID);
>>>>>>>>>>> Console.WriteLine("Name: " + changedEntity.Name);
>>>>>>>>>>> Console.WriteLine("Power: " +
>>>>>>>>>>> changedEntity.Power);
>>>>>>>>>>> Console.WriteLine("IsAvailable: " +
>>>>>>>>>>> changedEntity.IsAvailable);
>>>>>>>>>>>
>>>>>>>>>>> Console.WriteLine("<----------
>>>>>>>>>>> ------------------------------------------------------------
>>>>>>>>>>> ---------------->");
>>>>>>>>>>> }
>>>>>>>>>>>
>>>>>>>>>>> so my question is when a new record has been added to my table i
>>>>>>>>>>> get a event triggered and will get the value which is inserted.
>>>>>>>>>>>
>>>>>>>>>>> so now how to add the new value to existing cache say by using
>>>>>>>>>>> datastreamer which works on list i need to add this row to end of
>>>>>>>>>>> list in
>>>>>>>>>>> existing cache.
>>>>>>>>>>>
>>>>>>>>>>> Delete
>>>>>>>>>>> when record is deleted i get a event and i need to delete that
>>>>>>>>>>> record from existing cache.
>>>>>>>>>>>
>>>>>>>>>>> Update
>>>>>>>>>>> when a column of table is updated say NAME column i need to
>>>>>>>>>>> update that particular column value in cache.
>>>>>>>>>>>
>>>>>>>>>>> can you please help me how to implement this.
>>>>>>>>>>>
>>>>>>>>>>> }
>>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>
>>>>>>>>
>>>>>>>
>>>>>>
>>>>>
>>>>
>>>
>