/// <summary>
/// Add the object to the cluster. Does load balancing as well.
/// </summary>
/// <param name="key">key of the entry.</param>
/// <returns>cache entry.</returns>
/// <remarks>
/// This method either invokes <see cref="handleAdd"/> on one of the server nodes in the cluster,
/// or invokes <see cref="Local_Add"/> locally.
/// </remarks>
protected CacheAddResult Clustered_Add(ArrayList dests, object key, CacheEntry cacheEntry, OperationContext operationContext)
{
CacheAddResult result = CacheAddResult.Failure;
try
{
if (ServerMonitor.MonitorActivity)
{
ServerMonitor.LogClientActivity("RepCacheBase.Add", "enter");
}
/// Ask every server to add the object, except myself.
Function func = new Function((int)OpCodes.Add, new object[] { key, cacheEntry, operationContext }, false, key);
Array userPayLoad = null;
if (cacheEntry.Value is CallbackEntry)
{
CallbackEntry cbEntry = ((CallbackEntry)cacheEntry.Value);
userPayLoad = cbEntry.UserData;
}
else
{
userPayLoad = cacheEntry.UserData;
}
func.UserPayload = userPayLoad;
RspList results = Cluster.BroadcastToMultiple(dests,
func,
GroupRequest.GET_ALL, _asyncOperation);
ClusterHelper.ValidateResponses(results, typeof(CacheAddResult), Name);
/// Check if the operation failed on any node.
result = ClusterHelper.FindAtomicAddStatusReplicated(results);
}
catch (CacheException e)
{
throw;
}
catch (Exception e)
{
throw new GeneralFailureException(e.Message, e);
}
finally
{
if (ServerMonitor.MonitorActivity)
{
ServerMonitor.LogClientActivity("RepCacheBase.Add", "exit");
}
}
return(result);
}
