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 SetSchemeIsObsolete(string schemeCode)
{
using (OracleConnection connection = new OracleConnection(ConnectionString))
{
WorkflowProcessScheme.SetObsolete(connection, schemeCode);
WorkflowProcessScheme.Commit(connection);
}
}
private SchemeDefinition <XElement> ConvertToSchemeDefinition(WorkflowProcessScheme workflowProcessScheme)
{
return(new SchemeDefinition <XElement>(workflowProcessScheme.Id, workflowProcessScheme.RootSchemeId,
workflowProcessScheme.SchemeCode, workflowProcessScheme.RootSchemeCode,
XElement.Parse(workflowProcessScheme.Scheme), workflowProcessScheme.IsObsolete, false,
JsonConvert.DeserializeObject <List <string> >(workflowProcessScheme.AllowedActivities ?? "null"),
workflowProcessScheme.StartingTransition,
workflowProcessScheme.DefiningParameters));
}
public void SetSchemeIsObsolete(string schemeCode, IDictionary <string, object> parameters)
{
var definingParameters = DefiningParametersSerializer.Serialize(parameters);
var definingParametersHash = HashHelper.GenerateStringHash(definingParameters);
using (OracleConnection connection = new OracleConnection(ConnectionString))
{
WorkflowProcessScheme.SetObsolete(connection, schemeCode, definingParametersHash);
WorkflowProcessScheme.Commit(connection);
}
}
public SchemeDefinition <XElement> GetProcessSchemeBySchemeId(Guid schemeId)
{
using (OracleConnection connection = new OracleConnection(ConnectionString))
{
WorkflowProcessScheme processScheme = WorkflowProcessScheme.SelectByKey(connection, schemeId);
if (processScheme == null || string.IsNullOrEmpty(processScheme.Scheme))
{
throw new SchemeNotFoundException();
}
return(ConvertToSchemeDefinition(processScheme));
}
}
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);
}
}
