/// <summary>
/// Saves scheme to a store
/// </summary>
/// <param name="scheme">Not parsed scheme of the process</param>
/// <exception cref="SchemeAlredyExistsException"></exception>
public void SaveScheme(SchemeDefinition <XElement> scheme)
{
var db = _connector.GetDatabase();
var tran = db.CreateTransaction();
if (!scheme.IsObsolete) //there is only one current scheme can exists
{
if (!scheme.RootSchemeId.HasValue)
{
var key = GetKeyForCurrentScheme(scheme.SchemeCode);
var hash = scheme.DefiningParameters;
tran.AddCondition(Condition.HashNotExists(key, hash));
tran.HashSetAsync(key, hash, string.Format("{0:N}", scheme.Id));
}
}
var newProcessScheme = new WorkflowProcessScheme
{
DefiningParameters = scheme.DefiningParameters,
Scheme = scheme.Scheme.ToString(),
SchemeCode = scheme.SchemeCode,
RootSchemeCode = scheme.RootSchemeCode,
RootSchemeId = scheme.RootSchemeId,
AllowedActivities = scheme.AllowedActivities,
StartingTransition = scheme.StartingTransition
};
var newSchemeValue = JsonConvert.SerializeObject(newProcessScheme);
var newSchemeKey = GetKeyForProcessScheme(scheme.Id);
tran.AddCondition(Condition.KeyNotExists(newSchemeKey));
tran.StringSetAsync(newSchemeKey, newSchemeValue);
if (scheme.RootSchemeId.HasValue)
{
tran.HashSetAsync(GetKeySchemeHierarchy(scheme.RootSchemeId.Value), scheme.SchemeCode, scheme.Id.ToString("N"));
}
var result = tran.Execute();
if (!result)
{
throw SchemeAlredyExistsException.Create(scheme.SchemeCode, SchemeLocation.WorkflowProcessScheme, scheme.DefiningParameters);
}
}
private SchemeDefinition <XElement> ConvertToSchemeDefinition(Guid schemeId, bool isObsolete, WorkflowProcessScheme workflowProcessScheme)
{
return(new SchemeDefinition <XElement>(schemeId, workflowProcessScheme.RootSchemeId,
workflowProcessScheme.SchemeCode, workflowProcessScheme.RootSchemeCode,
XElement.Parse(workflowProcessScheme.Scheme), isObsolete, false,
workflowProcessScheme.AllowedActivities, workflowProcessScheme.StartingTransition,
workflowProcessScheme.DefiningParameters));
}
