public SequencedMessage GetSequencedMessage(DataMessage dataMessage, Sequence sequence)
{
if (dataMessage.headers != null && dataMessage.headers.ContainsKey(DataMessage.PageSizeHeader))
{
return(GetPagedMessage(dataMessage, sequence));
}
else
{
SequencedMessage sequencedMessage = new SequencedMessage();
sequencedMessage.destination = dataMessage.destination;
sequencedMessage.sequenceId = sequence.Id;
sequencedMessage.sequenceSize = sequence.Size;
//object[] body = new object[result.Count];
//result.CopyTo(body, 0);
object[] body = new object[sequence.Count];
lock (_objLock)
{
for (int i = 0; i < sequence.Count; i++)
{
ItemWrapper itemWrapper = GetItem(sequence[i]) as ItemWrapper;
if (itemWrapper != null)
{
body[i] = itemWrapper.Instance;
}
}
}
sequencedMessage.body = body;
sequencedMessage.sequenceProxies = null;
sequencedMessage.dataMessage = dataMessage;
sequencedMessage.messageId = dataMessage.messageId;
sequencedMessage.clientId = dataMessage.clientId;
sequencedMessage.correlationId = dataMessage.messageId;
//dataMessage.identity = new Hashtable(0);
return(sequencedMessage);
}
}
public SequencedMessage GetPageItems(DataMessage dataMessage)
{
int sequenceId = (int)dataMessage.headers[DataMessage.SequenceIdHeader];
Sequence sequence = GetSequence(sequenceId);
if (sequence != null)
{
IList DSids = dataMessage.headers["DSids"] as IList;
//ArrayList items = new ArrayList(DSids.Count);
SequencedMessage sequencedMessage = new SequencedMessage();
object[] items = new object[DSids.Count];
lock (_objLock)
{
for (int i = 0; i < DSids.Count; i++)
{
Identity identity = new Identity(DSids[i] as IDictionary);
ItemWrapper itemWrapper = GetItem(identity);
//items.Add(item);
items[i] = itemWrapper.Instance;
}
sequencedMessage.destination = dataMessage.destination;
sequencedMessage.sequenceId = sequence.Id;
sequencedMessage.sequenceSize = sequence.Size;
sequencedMessage.sequenceProxies = null;
sequencedMessage.body = items;
}
return(sequencedMessage);
}
else
{
DataServiceException dse = new DataServiceException(string.Format("Sequence {0} in destination {1} was not found", sequenceId, dataMessage.destination));
throw dse;
}
}
public Sequence CreateSequence(string clientId, IList result, IList parameters, DataServiceTransaction dataServiceTransaction)
{
Sequence sequence = null;
Identity[] identities = new Identity[result.Count];
lock (_objLock)
{
for (int i = 0; i < identities.Length; i++)
{
if (result[i] != null)
{
Identity identity = Identity.GetIdentity(result[i], _dataDestination);
identities[i] = identity;
if (!_itemIdToItemHash.ContainsKey(identity))
{
_itemIdToItemHash.Add(identity, new ItemWrapper(result[i]));
}
else
{
ItemWrapper itemWrapper = _itemIdToItemHash[identity] as ItemWrapper;
itemWrapper.Instance = result[i];
}
}
}
//Lookup existing sequence
if (parameters != null)
{
if (_parametersToSequenceIdHash.Contains(parameters))
{
sequence = _parametersToSequenceIdHash[parameters] as Sequence;
}
}
else
{
IDictionary sequenceIdMap = _itemIdToSequenceIdMapHash[identities[0]] as IDictionary;
if (sequenceIdMap != null)
{
foreach (Sequence sequenceTmp in sequenceIdMap.Values)
{
if (sequenceTmp.Parameters == null)
{
sequence = sequenceTmp;
break;
}
}
}
}
//if (parameters == null)
// parameters = new ArrayList();
if (sequence == null)
{
sequence = new Sequence();
sequence.Id = sequence.GetHashCode();
object[] parametersArray = null;
if (parameters != null)
{
parametersArray = new object[parameters.Count];
parameters.CopyTo(parametersArray, 0);
sequence.Parameters = parametersArray;
_parametersToSequenceIdHash[parameters] = sequence;
}
for (int i = 0; i < identities.Length; i++)
{
Identity identity = identities[i];
AddIdentityToSequence(sequence, identity, dataServiceTransaction);
}
_sequenceIdToSequenceHash[sequence.Id] = sequence;
if (log.IsDebugEnabled)
{
log.Debug(__Res.GetString(__Res.SequenceManager_CreateSeq, sequence.Id, clientId));
}
}
else
{
for (int i = 0; i < identities.Length; i++)
{
Identity identity = identities[i];
Identity existingIdentity = null;
if (i < sequence.Count)
{
existingIdentity = sequence[i];
}
if (!identity.Equals(existingIdentity))
{
//Identity not found in sequence
if (!sequence.Contains(identity))
{
int position = AddIdentityToSequence(sequence, identity, dataServiceTransaction);
}
}
}
}
sequence.AddSubscriber(clientId);
ArrayList sequences;
if (_clientIdToSequenceHash.Contains(clientId))
{
sequences = _clientIdToSequenceHash[clientId] as ArrayList;
}
else
{
sequences = new ArrayList();
_clientIdToSequenceHash[clientId] = sequences;
}
if (!sequences.Contains(sequence))
{
sequences.Add(sequence);
}
}
return(sequence);
}
public Sequence RefreshSequence(Sequence sequence, DataMessage dataMessage, object item, DataServiceTransaction dataServiceTransaction)
{
if (sequence.Parameters == null)
return sequence;
DotNetAdapter dotNetAdapter = _dataDestination.ServiceAdapter as DotNetAdapter;
if( dotNetAdapter != null )
{
bool isCreate = (dataMessage.operation == DataMessage.CreateOperation || dataMessage.operation == DataMessage.CreateAndSequenceOperation);
int fill = dotNetAdapter.RefreshFill( sequence.Parameters, item, isCreate );
switch(fill)
{
case Assembler.ExecuteFill:
{
IList parameters = sequence.Parameters;
//if (parameters == null)
// parameters = new object[0];
DataMessage fillDataMessage = new DataMessage();
fillDataMessage.clientId = dataMessage.clientId;
fillDataMessage.operation = DataMessage.FillOperation;
fillDataMessage.body = parameters != null ? parameters : new object[0];
IList result = _dataDestination.ServiceAdapter.Invoke(fillDataMessage) as IList;
return CreateSequence(dataMessage.clientId as string, result, parameters, dataServiceTransaction);
}
case Assembler.AppendToFill:
{
Identity identity = Identity.GetIdentity(item, _dataDestination);
if( !sequence.Contains(identity) )
AddIdentityToSequence(sequence, identity, dataServiceTransaction);
_itemIdToItemHash[identity] = new ItemWrapper(item);
}
break;
case Assembler.RemoveFromFill:
{
Identity identity = Identity.GetIdentity(item, _dataDestination);
if( sequence.Contains(identity) )
RemoveIdentityFromSequence(sequence, identity, dataServiceTransaction);
}
break;
case Assembler.DoNotExecuteFill:
break;
}
}
return sequence;
}