public void SaveScheme(SchemeDefinition <XElement> scheme)
{
var definingParameters = scheme.DefiningParameters;
var definingParametersHash = HashHelper.GenerateStringHash(definingParameters);
using (var connection = new NpgsqlConnection(ConnectionString))
{
var oldSchemes = WorkflowProcessScheme.Select(connection, scheme.SchemeCode, definingParametersHash,
scheme.IsObsolete, scheme.RootSchemeId);
if (oldSchemes.Any())
{
if (oldSchemes.Any(oldScheme => 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);
}
}
public void SaveScheme(string schemeCode, Guid schemeId, XElement scheme, IDictionary <string, object> parameters)
{
var definingParameters = SerializeParameters(parameters);
var definingParametersHash = HashHelper.GenerateStringHash(definingParameters);
using (NpgsqlConnection connection = new NpgsqlConnection(ConnectionString))
{
var oldSchemes = WorkflowProcessScheme.Select(connection, schemeCode, definingParametersHash, true);
if (oldSchemes.Count() > 0)
{
foreach (var oldScheme in oldSchemes)
{
if (oldScheme.DefiningParameters == definingParameters)
{
throw new SchemeAlredyExistsException();
}
}
}
var newProcessScheme = new WorkflowProcessScheme
{
Id = schemeId,
DefiningParameters = definingParameters,
DefiningParametersHash = definingParametersHash,
Scheme = scheme.ToString(),
SchemeCode = schemeCode
};
newProcessScheme.Insert(connection);
}
}
public SchemeDefinition <XElement> GetProcessSchemeWithParameters(string schemeCode, string definingParameters,
Guid?rootSchemeId, bool ignoreObsolete)
{
IEnumerable <WorkflowProcessScheme> processSchemes;
var hash = HashHelper.GenerateStringHash(definingParameters);
using (var connection = new NpgsqlConnection(ConnectionString))
{
processSchemes =
WorkflowProcessScheme.Select(connection, schemeCode, hash, ignoreObsolete ? false : (bool?)null,
rootSchemeId);
}
if (!processSchemes.Any())
{
throw SchemeNotFoundException.Create(schemeCode, SchemeLocation.WorkflowProcessScheme, definingParameters);
}
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 SchemeNotFoundException.Create(schemeCode, SchemeLocation.WorkflowProcessScheme, definingParameters);
}
public SchemeDefinition <XElement> GetProcessSchemeWithParameters(string schemeCode, IDictionary <string, object> parameters, bool ignoreObsolete)
{
IEnumerable <WorkflowProcessScheme> processSchemes = new List <WorkflowProcessScheme>();
var definingParameters = SerializeParameters(parameters);
var hash = HashHelper.GenerateStringHash(definingParameters);
using (NpgsqlConnection connection = new NpgsqlConnection(ConnectionString))
{
processSchemes =
WorkflowProcessScheme.Select(connection, schemeCode, hash, ignoreObsolete);
}
if (processSchemes.Count() < 1)
{
throw new SchemeNotFoundException();
}
if (processSchemes.Count() == 1)
{
var scheme = processSchemes.First();
return(new SchemeDefinition <XElement>(scheme.Id, scheme.SchemeCode, XElement.Parse(scheme.Scheme), scheme.IsObsolete));
}
foreach (var processScheme in processSchemes.Where(processScheme => processScheme.DefiningParameters == definingParameters))
{
return(new SchemeDefinition <XElement>(processScheme.Id, processScheme.SchemeCode, XElement.Parse(processScheme.Scheme), processScheme.IsObsolete));
}
throw new SchemeNotFoundException();
}