Exemplo n.º 1
0
        /// <summary>
        /// Thread Worker method which writes Graphs to the output
        /// </summary>
        /// <param name="globalContext">Context for writing the Store</param>
        private void SaveGraphs(ThreadedStoreWriterContext globalContext)
        {
            try
            {
                Uri u = globalContext.GetNextUri();
                while (u != null)
                {
                    //Get the Graph from the Store
                    if (WriterHelper.IsDefaultGraph(u) && !globalContext.Store.HasGraph(u)) u = null;
                    IGraph g = globalContext.Store.Graphs[u];

                    //Generate the Graph Output and add to Stream
                    NTriplesWriterContext context = new NTriplesWriterContext(g, new System.IO.StringWriter(), globalContext.PrettyPrint, globalContext.HighSpeedModePermitted);
                    String graphContent = this.GraphToNQuads(globalContext, context);
                    if (!graphContent.Equals(String.Empty))
                    {
                        try
                        {
                            Monitor.Enter(globalContext.Output);
                            globalContext.Output.WriteLine(graphContent);
                            globalContext.Output.Flush();
                        }
                        catch
                        {
                            throw;
                        }
                        finally
                        {
                            Monitor.Exit(globalContext.Output);
                        }
                    }

                    //Get the Next Uri
                    u = globalContext.GetNextUri();
                }
            }
            catch (ThreadAbortException)
            {
                //We've been terminated, don't do anything
            #if !SILVERLIGHT
                Thread.ResetAbort();
            #endif
            }
            catch (Exception ex)
            {
                throw new RdfStorageException("Error in Threaded Writer in Thread ID " + Thread.CurrentThread.ManagedThreadId, ex);
            }
        }
Exemplo n.º 2
0
        /// <summary>
        /// Thread Worker method which writes Graphs to the output
        /// </summary>
        /// <param name="globalContext">Context for writing the Store</param>
        private void SaveGraphs(ThreadedStoreWriterContext globalContext)
        {
            try
            {
                Uri u = globalContext.GetNextUri();
                while (u != null)
                {
                    //Get the Graph from the Store
                    IGraph g = globalContext.Store.Graphs[u];

                    //Generate the Graph Output and add to Stream
                    BaseWriterContext context = new BaseWriterContext(g, new System.IO.StringWriter());
                    String graphContent = this.GenerateGraphOutput(globalContext, context);
                    try
                    {
                        Monitor.Enter(globalContext.Output);
                        globalContext.Output.WriteLine(graphContent);
                        globalContext.Output.Flush();
                    }
                    catch
                    {
                        throw;
                    }
                    finally
                    {
                        Monitor.Exit(globalContext.Output);
                    }

                    //Get the Next Uri
                    u = globalContext.GetNextUri();
                }
            }
            catch (ThreadAbortException)
            {
                //We've been terminated, don't do anything
            #if !SILVERLIGHT
                Thread.ResetAbort();
            #endif
            }
            catch (Exception ex)
            {
                throw new RdfStorageException("Error in Threaded Writer in Thread ID " + Thread.CurrentThread.ManagedThreadId, ex);
            }
        }