Merge branch 'Hotfix/2615-graphDeployerLag' into 'master'

Fix: Optimize graph triple comparison using projection method

See merge request !14

src/GraphDeployer/Program.cs

@@ -114,11 +114,12 @@ public class Program
 
                     var currentGraph = Helpers.WrapRequest(() => _rdfStoreConnector.GetGraph(graphName));
 
+                    // Project the triples for easier comparison
+                    var projectedGraph = graph.Triples.Select(ProjectTriple).ToList();
+                    var projectedCurrentGraph = currentGraph.Triples.Select(ProjectTriple).ToList();
+
                     var graphWasChanged = graph.Triples.Count != currentGraph.Triples.Count
-                        || graph.Triples.Any((triple) => !currentGraph.Triples.Any((currentTriple) =>
-                            (triple.Subject.Equals(currentTriple.Subject) || (triple.Subject.NodeType == NodeType.Blank && currentTriple.Subject.NodeType == NodeType.Blank)
-                            && triple.Predicate.Equals(currentTriple.Predicate)
-                            && triple.Object.Equals(currentTriple.Object) || (triple.Object.NodeType == NodeType.Blank && currentTriple.Object.NodeType == NodeType.Blank))));
+                                        || projectedGraph.Except(projectedCurrentGraph).Any();
 
                     if (graphWasChanged)
                     {
@@ -141,9 +142,9 @@ public class Program
                     else
                     {
                         _logger.LogInformation("Skipping {graphName}", graphName);
-
                     }
                 }
+
                 queries.Add($"rdf_loader_run ();");
                 queries.Add($"DELETE from DB.DBA.load_list where 1=1;");
 
@@ -233,4 +234,11 @@ public class Program
             LogInnerException(ex.InnerException);
         }
     }
+
+    private static string ProjectTriple(Triple triple)
+    {
+        return $"{(triple.Subject.NodeType == NodeType.Blank ? "BLANK" : triple.Subject.ToString())}," +
+               $"{triple.Predicate.ToString()}," +
+               $"{(triple.Object.NodeType == NodeType.Blank ? "BLANK" : triple.Object.ToString())}";
+    }
 }
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