/// <summary>
/// Tries to load a SQL IO Manager based on information from the Configuration Graph
/// </summary>
/// <param name="g">Configuration Graph</param>
/// <param name="objNode">Object Node</param>
/// <param name="targetType">Target Type</param>
/// <param name="obj">Output Object</param>
/// <returns></returns>
public bool TryLoadObject(IGraph g, INode objNode, Type targetType, out Object obj)
{
ISqlIOManager manager = null;
String server, port, db, user, pwd;
//Create the URI Nodes we're going to use to search for things
INode propServer = ConfigurationLoader.CreateConfigurationNode(g, ConfigurationLoader.PropertyServer),
propDb = ConfigurationLoader.CreateConfigurationNode(g, ConfigurationLoader.PropertyDatabase);
//Get Server and Database details
server = ConfigurationLoader.GetConfigurationString(g, objNode, propServer);
if (server == null)
{
server = "localhost";
}
db = ConfigurationLoader.GetConfigurationString(g, objNode, propDb);
if (db == null)
{
obj = null;
return(false);
}
//Get user credentials
ConfigurationLoader.GetUsernameAndPassword(g, objNode, true, out user, out pwd);
//Based on this information create a Manager if possible
switch (targetType.FullName)
{
case MicrosoftSqlManager:
if (user == null || pwd == null)
{
manager = new MicrosoftSqlStoreManager(server, db);
}
else
{
manager = new MicrosoftSqlStoreManager(server, db, user, pwd);
}
break;
case MySqlManager:
if (user != null && pwd != null)
{
manager = new MySqlStoreManager(server, db, user, pwd);
}
break;
}
obj = manager;
return(manager != null);
}
public dotNetRDFEngine(AdapterSettings settings, Mapping mapping)
{
_settings = settings;
// load uri maps config
_uriMaps = new Properties();
string uriMapsFilePath = _settings["AppDataPath"] + "UriMaps.conf";
if (File.Exists(uriMapsFilePath))
{
try
{
_uriMaps.Load(uriMapsFilePath);
}
catch (Exception e)
{
_logger.Info("Error loading [UriMaps.config]: " + e);
}
}
_tripleStore = new MicrosoftSqlStoreManager(
_settings["dotNetRDFServer"],
_settings["dotNetRDFCatalog"],
_settings["dotNetRDFUser"],
_settings["dotNetRDFPassword"]
);
_mapping = mapping;
_graph = new Graph();
string baseUri = _settings["GraphBaseUri"];
string project = _settings["ProjectName"];
string app = _settings["ApplicationName"];
_graphNs = Utility.FormEndpointBaseURI(_uriMaps, baseUri, project, app);
_dataObjectNs = String.Format("{0}.proj_{1}", DATALAYER_NS, _settings["Scope"]);
_dataObjectsAssemblyName = _settings["ExecutingAssemblyName"];
}
