private SparqlResultSet ExecuteSelect(SparqlQuery query)
{
var store = _store as IInMemoryQueryableStore;
if (store != null)
{
var inMemoryQuadDataset = new InMemoryQuadDataset(store, MetaGraphUri);
var processor = new LeviathanQueryProcessor(inMemoryQuadDataset);
return (SparqlResultSet)processor.ProcessQuery(query);
}
return (SparqlResultSet)((INativelyQueryableStore)_store).ExecuteQuery(query.ToString());
}
/// <summary>
/// Tries to load a SPARQL Dataset 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)
{
obj = null;
INode storeNode;
switch (targetType.FullName)
{
case InMemoryDataset:
storeNode = ConfigurationLoader.GetConfigurationNode(g, objNode, ConfigurationLoader.CreateConfigurationNode(g, ConfigurationLoader.PropertyUsingStore));
if (storeNode == null)
{
obj = new InMemoryDataset();
}
else
{
Object temp = ConfigurationLoader.LoadObject(g, storeNode);
if (temp is IInMemoryQueryableStore)
{
obj = new InMemoryDataset((IInMemoryQueryableStore)temp);
return true;
}
else
{
throw new DotNetRdfConfigurationException("Unable to load the In-Memory Dataset identified by the Node '" + objNode.ToString() + "' since the Object pointed to by the dnr:usingStore property could not be loaded as an object which implements the IInMemoryQueryableStore interface");
}
}
break;
case InMemoryQuadDataset:
storeNode = ConfigurationLoader.GetConfigurationNode(g, objNode, ConfigurationLoader.CreateConfigurationNode(g, ConfigurationLoader.PropertyUsingStore));
if (storeNode == null)
{
obj = new InMemoryQuadDataset();
}
else
{
Object temp = ConfigurationLoader.LoadObject(g, storeNode);
if (temp is IInMemoryQueryableStore)
{
obj = new InMemoryQuadDataset((IInMemoryQueryableStore)temp);
return true;
}
else
{
throw new DotNetRdfConfigurationException("Unable to load the In-Memory Dataset identified by the Node '" + objNode.ToString() + "' since the Object pointed to by the dnr:usingStore property could not be loaded as an object which implements the IInMemoryQueryableStore interface");
}
}
break;
}
return false;
}
