private void ClearRuleSet(Uri ruleSet, VirtuosoStore store)
{
try
{
string query = string.Format("delete * from DB.DBA.SYS_RDF_SCHEMA where RS_NAME='{0}';", ruleSet.OriginalString);
store.ExecuteQuery(query);
}catch (Exception)
{
}
}
private void RemoveGraphFromRuleSet(Uri ruleSet, Uri graph, VirtuosoStore store)
{
try
{
string query = string.Format("rdfs_rule_set ('{0}', '{1}', 1)", ruleSet, graph);
store.ExecuteQuery(query);
}
catch (Exception)
{
}
}
/// <summary>
/// Connect to the database using the given credentials.
/// </summary>
/// <returns>True if a connection has been established, False otherwise.</returns>
public bool Connect(string host, int port, string user, string password, string defaultInferenceRule)
{
lock (ThreadDictionary)
{
var store = new VirtuosoStore(host, port, user, password, defaultInferenceRule);
if (!ThreadDictionary.ContainsKey(Thread.CurrentThread))
{
ThreadDictionary.Add(Thread.CurrentThread, store);
}
return(store.IsReady);
}
}
public void Update(IStore store)
{
if (store is VirtuosoStore)
{
VirtuosoStore virtuosoStore = (store as VirtuosoStore);
foreach (RuleSet set in Settings.RuleSets)
{
ClearRuleSet(new Uri(set.Uri), virtuosoStore);
foreach (var item in set.Graphs)
{
AddGraphToRuleSet(new Uri(set.Uri), new Uri(item.Uri), virtuosoStore);
}
}
}
}
private void AddGraphToRuleSet(Uri ruleSet, Uri graph, VirtuosoStore store)
{
string query = string.Format("rdfs_rule_set ('{0}', '{1}')", ruleSet, graph);
store.ExecuteQuery(query);
}
