public static WorkflowCorrelationTableRecord Run(
[ActivityTrigger] WorkflowCorrelation workflowCorrelation,
TraceWriter log)
{
log.Info($"Persisting Correlation");
CloudStorageAccount storageAccount = CloudStorageAccount.Parse(Environment.GetEnvironmentVariable("Blob:StorageConnection"));
CloudTableClient tableClient = storageAccount.CreateCloudTableClient();
CloudTable table = tableClient.GetTableReference("WorkflowCorrelations");
TableOperation operation = TableOperation.Retrieve <WorkflowCorrelationTableEntity>("ApprovalWorkflow", workflowCorrelation.EntityId);
TableResult result = table.ExecuteAsync(operation).Result;
string entityId = workflowCorrelation.EntityId;
if (result.Result != null)
{
// When the EntityId already exists, append the timestamp
entityId = $"{workflowCorrelation.EntityId}_{DateTime.Now.ToString("yyyyMMddTHHmmssfff")}";
}
return(new WorkflowCorrelationTableRecord {
PartitionKey = "ApprovalWorkflow", RowKey = entityId, InstanceId = workflowCorrelation.WorkflowInstanceId
});
}
public void Correlate()
{
if (this.Correlation.WorkflowId == Guid.Empty)
{
string serialized = string.Empty;
serialized = File.ReadAllText(_storePath("Correlation"));
WorkflowCorrelation correlation = WorkflowSerialization.DeSerialize <WorkflowCorrelation>(serialized);
this.Correlation.WorkflowId = correlation.WorkflowId;
}
}
