private bool SendTransactions(SyncContext context, Func <SyncContext, Message, bool> messageSink, IEnumerable <ITransactionInfo> transactionsToSend, string storeId,
Guid prevId)
{
foreach (var txn in transactionsToSend.Where(t => t.TransactionStatus == TransactionStatus.CompletedOk))
{
if (txn.TransactionType == TransactionType.UpdateTransaction)
{
var job = _serverCore.LoadTransaction(storeId, txn);
if (job is UpdateTransaction)
{
var updateJob = job as UpdateTransaction;
var syncTransaction = new ClusterUpdateTransaction
{
StoreId = storeId,
PrevTxnId = prevId,
JobId = txn.JobId,
Preconditions = updateJob.Preconditions,
Deletes = updateJob.DeletePatterns,
Inserts = updateJob.InsertData
};
if (!messageSink(context, syncTransaction.AsMessage()))
{
// If message sink stops accepting messages, fail the entire sync process immediately
return(false);
}
}
else
{
return(false);
}
}
else if (txn.TransactionType == TransactionType.SparqlUpdateTransaction)
{
var job = _serverCore.LoadTransaction(storeId, txn);
if (job is SparqlUpdateJob)
{
var sparqlJob = job as SparqlUpdateJob;
var syncTransaction = new ClusterSparqlTransaction
{
StoreId = storeId,
PrevTxnId = prevId,
JobId = txn.JobId,
Expression = sparqlJob.Expression
};
if (!messageSink(context, syncTransaction.AsMessage()))
{
// If message sink stops accepting messages, fail the entire sync process immediately
return(false);
}
}
}
else
{
return(false);
}
}
return(true);
}