protected internal sealed override IEnumerable <Replicable> ReplicationOperationComplete(StatefulServiceExecutionContext executionContext, ReplicationResult result, ReplicationOperation replicationOperation)
{
if (this.IsDisposed)
{
AppTrace.TraceMsg(TraceLogEventType.Information, "StatefulServiceReplicaT.ReplicationOperationComplete", "ReplicationOperationComplete called after service was disposed");
return(Enumerable.Empty <Replicable>());
}
StatefulProgramInstance instance = null;
Replicable <StatefulProgramInstance> replicableToCommit = replicationOperation.Replicables.FirstOrDefault() as Replicable <StatefulProgramInstance>;
if (replicableToCommit != null)
{
instance = this.instanceManager.GetInstance(replicableToCommit.Value.Id) as StatefulProgramInstance;
if (instance != null)
{
instance.SetContextInstanceId();
}
else if (replicableToCommit.Value != null)
{
Debug.Assert(replicationOperation.Type == ReplicationOperationType.Evict, "Unexpected operation type");
replicableToCommit.Value.SetContextInstanceId();
}
else
{
Debug.Assert(false, "replicableToCommit.Value is null");
}
}
AppTrace.TraceMsg(
TraceLogEventType.Information,
"StatefulComponent.ReplicationOperationComplete",
"replicationOperation.Type={0}, result={1}, replicables.Count={2}, replicableToCommit={3}, programInstance={4}",
replicationOperation.Type,
result,
replicationOperation.Replicables.Count(),
replicableToCommit != null ? replicableToCommit.Name : "Null",
instance != null ? instance.Id : "Null");
IEnumerable <Replicable> replicablesToCommit = null;
if (replicationOperation.Type == ReplicationOperationType.Replicate)
{
if (result == ReplicationResult.Success)
{
List <Replicable> changes = new List <Replicable>();
if (replicableToCommit.IsDisposed)
{
foreach (Replicable replicable in replicableToCommit.Value.DataContractReplicables)
{
changes.Add(replicable);
}
}
else
{
ItemCollection <string, Replicable> replicables;
using (instance.GetReplicables(LockPermission.Write, out replicables))
{
foreach (Replicable replicable in replicableToCommit.Value.DataContractReplicables)
{
if (replicables.Contains(replicable.Name))
{
replicables.Remove(replicable.Name);
replicables.Add(replicable);
}
else
{
replicables.Add(replicable);
}
changes.Add(replicable);
}
}
}
replicablesToCommit = changes;
}
else
{
if (instance != null)
{
AppTrace.TraceMsg(TraceLogEventType.Error, "StatefulServiceReplicaT.ReplicationOperationComplete", "Recycling StatefulProgramInstance with id '{0}'", instance.Id);
instance.RecycleInstance();
}
replicablesToCommit = base.ReplicationOperationComplete(executionContext, result, replicationOperation);
}
}
if (replicablesToCommit == null)
{
replicablesToCommit = base.ReplicationOperationComplete(executionContext, result, replicationOperation);
}
return(replicablesToCommit);
}
