| public SaveAllInstanceData ( System.Guid instanceId, System.Activities.DurableInstancing.SaveWorkflowCommand command ) : System.Boolean | ||
| instanceId | System.Guid | The instance id. |
| command | System.Activities.DurableInstancing.SaveWorkflowCommand | The command. |
| return | System.Boolean | |
public Boolean SaveAllInstanceData(Guid instanceId, SaveWorkflowCommand command)
{
Boolean isExistingInstance;
try
{
String fileName = String.Format("{0}.xml", instanceId);
String fullPath = Path.Combine(_dataDirectory, fileName);
isExistingInstance = File.Exists(fullPath);
XElement root = new XElement("Instance");
root.Add(new XAttribute("WorkflowInstanceId", instanceId));
XDocument xml = new XDocument(root);
NetDataContractSerializer serializer = new NetDataContractSerializer();
XElement section = new XElement("InstanceData");
root.Add(section);
foreach(var entry in command.InstanceData)
{
SaveSingleEntry(serializer, section, entry);
}
SaveInstanceDocument(fullPath, xml);
}
catch(Exception exception)
{
Dev2Logger.Log.Error(exception);
throw new InstancePersistenceException(exception.Message, exception);
}
return isExistingInstance;
}
// ReSharper disable InconsistentNaming - Unit Tests
public void SaveAllInstanceData_With_FileUsedByAnotherProcess_Expected_ThrowsInstancePersistenceException()
// ReSharper restore InconsistentNaming
{
var instanceId = Guid.NewGuid();
var path = Path.Combine(TestPath, instanceId + ".xml");
try
{
var xml = XmlResource.Fetch(TestFileName);
xml.Save(path);
// Force error: The process cannot access the file because it is being used by another process
using(var fs = File.Open(path, FileMode.Open, FileAccess.Read, FileShare.None))
{
var store = new FileSystemInstanceStoreIO();
var result = store.SaveAllInstanceData(instanceId, new SaveWorkflowCommand());
}
}
finally
{
if(File.Exists(path))
{
File.Delete(path);
}
}
}
