public override void Query(IRdfHandler rdfHandler, ISparqlResultsHandler resultsHandler, String sparqlQuery)
{
if (this._processor == null)
{
AlexandriaMongoDBDataset dataset = new AlexandriaMongoDBDataset(this);
this._processor = new LeviathanQueryProcessor(dataset);
}
if (this._parser == null)
{
this._parser = new SparqlQueryParser();
}
this._processor.ProcessQuery(rdfHandler, resultsHandler, this._parser.ParseFromString(sparqlQuery));
}
public override object Query(string sparqlQuery)
{
if (this._processor == null)
{
AlexandriaMongoDBDataset dataset = new AlexandriaMongoDBDataset(this);
this._processor = new LeviathanQueryProcessor(dataset);
}
if (this._parser == null)
{
this._parser = new SparqlQueryParser();
}
return(this._processor.ProcessQuery(this._parser.ParseFromString(sparqlQuery)));
}
public bool TryLoadObject(IGraph g, INode objNode, Type targetType, out object obj)
{
switch (targetType.FullName)
{
case MongoDBManager:
String server = ConfigurationLoader.GetConfigurationString(g, objNode, ConfigurationLoader.CreateConfigurationNode(g, ConfigurationLoader.PropertyServer));
String storeID = ConfigurationLoader.GetConfigurationString(g, objNode, ConfigurationLoader.CreateConfigurationNode(g, ConfigurationLoader.PropertyDatabase));
String collectionID = ConfigurationLoader.GetConfigurationString(g, objNode, ConfigurationLoader.CreateConfigurationNode(g, ConfigurationLoader.PropertyCatalog));
String loadMode = ConfigurationLoader.GetConfigurationString(g, objNode, ConfigurationLoader.CreateConfigurationNode(g, ConfigurationLoader.PropertyLoadMode));
MongoDBSchemas schema = MongoDBDocumentManager.DefaultSchema;
if (loadMode != null)
{
switch (loadMode)
{
case "GraphCentric":
schema = MongoDBSchemas.GraphCentric;
break;
case "TripleCentric":
schema = MongoDBSchemas.TripleCentric;
break;
}
}
if (storeID != null)
{
AlexandriaMongoDBManager manager;
if (server == null)
{
if (collectionID == null)
{
manager = new AlexandriaMongoDBManager(storeID, schema);
}
else
{
manager = new AlexandriaMongoDBManager(new MongoDBDocumentManager(new MongoConfiguration(), storeID, collectionID, schema));
}
}
else
{
//Have a Custom Connection String
if (collectionID == null)
{
manager = new AlexandriaMongoDBManager(new MongoDBDocumentManager(server, storeID, schema));
}
else
{
manager = new AlexandriaMongoDBManager(new MongoDBDocumentManager(server, storeID, collectionID, schema));
}
}
obj = manager;
return(true);
}
//If we get here then the required dnr:database property was missing
throw new DotNetRdfConfigurationException("Unable to load the MongoDB Manager identified by the Node '" + objNode.ToString() + "' since there was no value given for the required property dnr:database");
break;
case MongoDBDataset:
INode managerNode = ConfigurationLoader.GetConfigurationNode(g, objNode, ConfigurationLoader.CreateConfigurationNode(g, "dnr:genericManager"));
if (managerNode == null)
{
throw new DotNetRdfConfigurationException("Unable to load the MongoDB Dataset identified by the Node '" + objNode.ToString() + "' since there we no value for the required property dnr:genericManager");
}
Object temp = ConfigurationLoader.LoadObject(g, managerNode);
if (temp is AlexandriaMongoDBManager)
{
obj = new AlexandriaMongoDBDataset((AlexandriaMongoDBManager)temp);
return(true);
}
else
{
throw new DotNetRdfConfigurationException("Unable to load the MongoDB Dataset identified by the Node '" + objNode.ToString() + "' since the value for the dnr:genericManager property pointed to an Object which could not be loaded as an object of type AlexandriaMongoDBManager");
}
break;
}
obj = null;
return(false);
}
public bool TryLoadObject(IGraph g, INode objNode, Type targetType, out object obj)
{
switch (targetType.FullName)
{
case MongoDBManager:
String server = ConfigurationLoader.GetConfigurationString(g, objNode, ConfigurationLoader.CreateConfigurationNode(g, ConfigurationLoader.PropertyServer));
String storeID = ConfigurationLoader.GetConfigurationString(g, objNode, ConfigurationLoader.CreateConfigurationNode(g, ConfigurationLoader.PropertyDatabase));
String collectionID = ConfigurationLoader.GetConfigurationString(g, objNode, ConfigurationLoader.CreateConfigurationNode(g, ConfigurationLoader.PropertyCatalog));
String loadMode = ConfigurationLoader.GetConfigurationString(g, objNode, ConfigurationLoader.CreateConfigurationNode(g, ConfigurationLoader.PropertyLoadMode));
MongoDBSchemas schema = MongoDBDocumentManager.DefaultSchema;
if (loadMode != null)
{
switch (loadMode)
{
case "GraphCentric":
schema = MongoDBSchemas.GraphCentric;
break;
case "TripleCentric":
schema = MongoDBSchemas.TripleCentric;
break;
}
}
if (storeID != null)
{
AlexandriaMongoDBManager manager;
if (server == null)
{
if (collectionID == null)
{
manager = new AlexandriaMongoDBManager(storeID, schema);
}
else
{
manager = new AlexandriaMongoDBManager(new MongoDBDocumentManager(new MongoConfiguration(), storeID, collectionID, schema));
}
}
else
{
//Have a Custom Connection String
if (collectionID == null)
{
manager = new AlexandriaMongoDBManager(new MongoDBDocumentManager(server, storeID, schema));
}
else
{
manager = new AlexandriaMongoDBManager(new MongoDBDocumentManager(server, storeID, collectionID, schema));
}
}
obj = manager;
return true;
}
//If we get here then the required dnr:database property was missing
throw new DotNetRdfConfigurationException("Unable to load the MongoDB Manager identified by the Node '" + objNode.ToString() + "' since there was no value given for the required property dnr:database");
break;
case MongoDBDataset:
INode managerNode = ConfigurationLoader.GetConfigurationNode(g, objNode, ConfigurationLoader.CreateConfigurationNode(g, "dnr:genericManager"));
if (managerNode == null)
{
throw new DotNetRdfConfigurationException("Unable to load the MongoDB Dataset identified by the Node '" + objNode.ToString() + "' since there we no value for the required property dnr:genericManager");
}
Object temp = ConfigurationLoader.LoadObject(g, managerNode);
if (temp is AlexandriaMongoDBManager)
{
obj = new AlexandriaMongoDBDataset((AlexandriaMongoDBManager)temp);
return true;
}
else
{
throw new DotNetRdfConfigurationException("Unable to load the MongoDB Dataset identified by the Node '" + objNode.ToString() + "' since the value for the dnr:genericManager property pointed to an Object which could not be loaded as an object of type AlexandriaMongoDBManager");
}
break;
}
obj = null;
return false;
}
