public SchemeDefinition <XElement> GetProcessSchemeWithParameters(string schemeCode, string definingParameters,
Guid?rootSchemeId, bool ignoreObsolete)
{
IEnumerable <WorkflowProcessScheme> processSchemes = new List <WorkflowProcessScheme>();
var hash = HashHelper.GenerateStringHash(definingParameters);
using (OracleConnection connection = new OracleConnection(ConnectionString))
{
processSchemes =
WorkflowProcessScheme.Select(connection, schemeCode, hash, ignoreObsolete ? false : (bool?)null,
rootSchemeId);
}
if (!processSchemes.Any())
{
throw new SchemeNotFoundException();
}
if (processSchemes.Count() == 1)
{
var scheme = processSchemes.First();
return(ConvertToSchemeDefinition(scheme));
}
foreach (var processScheme in processSchemes.Where(processScheme => processScheme.DefiningParameters == definingParameters))
{
return(ConvertToSchemeDefinition(processScheme));
}
throw new SchemeNotFoundException();
}
public void SaveScheme(SchemeDefinition <XElement> scheme)
{
var definingParameters = scheme.DefiningParameters;
var definingParametersHash = HashHelper.GenerateStringHash(definingParameters);
using (OracleConnection connection = new OracleConnection(ConnectionString))
{
var oldSchemes = WorkflowProcessScheme.Select(connection, scheme.SchemeCode, definingParametersHash,
scheme.IsObsolete, scheme.RootSchemeId);
if (oldSchemes.Any())
{
foreach (var oldScheme in oldSchemes)
{
if (oldScheme.DefiningParameters == definingParameters)
{
throw SchemeAlredyExistsException.Create(scheme.SchemeCode, SchemeLocation.WorkflowProcessScheme, scheme.DefiningParameters);
}
}
}
var newProcessScheme = new WorkflowProcessScheme
{
Id = scheme.Id,
DefiningParameters = definingParameters,
DefiningParametersHash = definingParametersHash,
Scheme = scheme.Scheme.ToString(),
SchemeCode = scheme.SchemeCode,
RootSchemeCode = scheme.RootSchemeCode,
RootSchemeId = scheme.RootSchemeId,
AllowedActivities = JsonConvert.SerializeObject(scheme.AllowedActivities),
StartingTransition = scheme.StartingTransition,
IsObsolete = scheme.IsObsolete
};
newProcessScheme.Insert(connection);
WorkflowProcessScheme.Commit(connection);
}
}