private void TestDumpStorePrimed(IStorageProvider manager)
{
this.EnsureTestDataset(manager);
PersistentTripleStore store = new PersistentTripleStore(manager);
try
{
// First prime the persistent store by loading a bunch of stuff
Assert.True(store.HasGraph(new Uri(TestGraphUri1)), "URI 1 should return true for HasGraph()");
Assert.True(store.Graphs.Contains(new Uri(TestGraphUri1)), "URI 1 should return true for Graphs.Contains()");
Assert.True(store.HasGraph(new Uri(TestGraphUri2)), "URI 2 should return true for HasGraph()");
Assert.True(store.Graphs.Contains(new Uri(TestGraphUri2)), "URI 2 should return true for Graphs.Contains()");
Assert.True(store.HasGraph(new Uri(TestGraphUri3)), "URI 3 should return true for HasGraph()");
Assert.True(store.Graphs.Contains(new Uri(TestGraphUri3)), "URI 3 should return true for Graphs.Contains()");
Uri noSuchThing = new Uri("http://example.org/persistence/graphs/noSuchGraph");
Assert.False(store.HasGraph(noSuchThing), "Bad URI should return false for HasGraph()");
Assert.False(store.Graphs.Contains(noSuchThing), "Bad URI should return false for Graphs.Contains()");
// Then try and dump
StringWriter strWriter = new StringWriter();
TriGWriter writer = new TriGWriter();
writer.UseMultiThreadedWriting = false;
writer.Save(store, strWriter);
Console.WriteLine("TriG output:");
Console.WriteLine(strWriter.ToString());
Assert.False(String.IsNullOrEmpty(strWriter.ToString()));
}
finally
{
store.Dispose();
}
}
/// <summary>
/// Write a graph containing the ontology to a file
/// </summary>
/// <param name="filename">File to write the ontology to</param>
public static void WriteOntology(string filename)
{
using (TripleStore store = new TripleStore())
using (IGraph g = new Graph())
{
AssertOntologyTriples(g);
g.BaseUri = Ontology.ContextUri;
store.Add(g);
TriGWriter writer = new TriGWriter();
writer.PrettyPrintMode = true;
writer.Save(store, filename);
}
}
private void TestDumpStoreEmpty(IStorageProvider manager)
{
this.EnsureTestDataset(manager);
PersistentTripleStore store = new PersistentTripleStore(manager);
try
{
// Try and dump
StringWriter strWriter = new StringWriter();
TriGWriter writer = new TriGWriter();
writer.UseMultiThreadedWriting = false;
writer.Save(store, strWriter);
Console.WriteLine("TriG output:");
Console.WriteLine(strWriter.ToString());
Assert.True(String.IsNullOrEmpty(strWriter.ToString()));
}
finally
{
store.Dispose();
}
}
public void Dispose()
{
//Create all of the directories required for the file
var f = new FileInfo(_outputPath);
f.Directory.Create();
if (this._outputFormat == ERdfFormat.RdfXml)
{
using (XmlTextWriter xmlWriter = new XmlTextWriter(_outputPath, new UTF8Encoding(false)))
//Set encoding
{
_output.Save(xmlWriter);
}
}
else if (this._outputFormat == ERdfFormat.TriG)
{
string fileNameAsTrig = GetFilePathBasedOnFormat();
var outparams = new StreamParams(fileNameAsTrig);
outparams.Encoding = Encoding.UTF8;
var writer = new TriGWriter();
if (_store == null)
{
var g = GetXmlDocumentAsGraph();
_store = new TripleStore();
_store.Add(g, true);
}
writer.Save(_store, outparams);
}
else if (this._outputFormat == ERdfFormat.Turtle)
{
var g = GetXmlDocumentAsGraph();
string filePathForFormat = GetFilePathBasedOnFormat();
var writer = new TurtleWriter(TurtleSyntax.W3C);
writer.Save(g, filePathForFormat);
}
else if (this._outputFormat == ERdfFormat.NTriples)
{
var g = GetXmlDocumentAsGraph();
string filePathForFormat = GetFilePathBasedOnFormat();
var writer = new NTriplesWriter();
writer.Save(g, filePathForFormat);
}
else if (this._outputFormat == ERdfFormat.N3)
{
var g = GetXmlDocumentAsGraph();
string filePathForFormat = GetFilePathBasedOnFormat();
var writer = new Notation3Writer();
writer.Save(g, filePathForFormat);
}
else if (this._outputFormat == ERdfFormat.NQuads)
{
string filePathForFormat = GetFilePathBasedOnFormat();
var outparams = new StreamParams(filePathForFormat);
outparams.Encoding = Encoding.UTF8;
if (_store == null)
{
var g = GetXmlDocumentAsGraph();
_store = new TripleStore();
_store.Add(g, true);
}
var writer = new NQuadsWriter();
writer.Save(_store, outparams);
}
//make sure it's not null - can happen if no graphs have yet to be asserted!!
if (_store != null)
{
foreach (var graph in _store.Graphs)
{
graph.Dispose();
}
_store.Dispose();
GC.Collect();
}
}
