BOGUS - add a TBoxReasonerSmokeTest at startup to insure that the generated inferences don't change by my actions.

webapp/src/edu/cornell/mannlib/vitro/webapp/servlet/setup/TBoxReasonerSmokeTest.java

@@ -0,0 +1,73 @@
+/* $This file is distributed under the terms of the license in /doc/license.txt$ */
+
+package edu.cornell.mannlib.vitro.webapp.servlet.setup;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+
+import javax.servlet.ServletContext;
+import javax.servlet.ServletContextEvent;
+import javax.servlet.ServletContextListener;
+
+import com.hp.hpl.jena.ontology.OntModel;
+import com.hp.hpl.jena.ontology.OntModelSpec;
+import com.hp.hpl.jena.rdf.model.ModelFactory;
+
+import edu.cornell.mannlib.vitro.webapp.application.ApplicationUtils;
+import edu.cornell.mannlib.vitro.webapp.modelaccess.ModelAccess;
+import edu.cornell.mannlib.vitro.webapp.modelaccess.ModelNames;
+import edu.cornell.mannlib.vitro.webapp.startup.StartupStatus;
+
+/**
+ * Safety Net:
+ * 
+ * Insure that the inferred TBox is the same as it was before we started messing
+ * with things.
+ * 
+ * KLUGE -- this shouldn't go into production.
+ * 
+ * KLUGE -- in production, startup_listeners shouldn't mention this.
+ */
+public class TBoxReasonerSmokeTest implements ServletContextListener {
+	@Override
+	public void contextInitialized(ServletContextEvent sce) {
+		ServletContext ctx = sce.getServletContext();
+		StartupStatus ss = StartupStatus.getBean(ctx);
+
+		OntModel savedInferencesModel = ModelFactory
+				.createOntologyModel(OntModelSpec.OWL_MEM);
+
+		try (InputStream in = new FileInputStream(locateSavedInferencesFile())) {
+			savedInferencesModel.read(in, null, "N3");
+		} catch (IOException e) {
+			ss.fatal(this, "Can't read saved inferences", e);
+		}
+
+		OntModel tboxInferencesModel = ModelAccess.on(sce.getServletContext())
+				.getOntModel(ModelNames.TBOX_INFERENCES);
+
+		if (savedInferencesModel.isIsomorphicWith(tboxInferencesModel)) {
+			ss.info(this, "TBox inferences matches saved.");
+		} else {
+			ss.fatal(this, "TBox inferences does not match saved.");
+		}
+	}
+
+	private File locateSavedInferencesFile() {
+		String homeDirPath = ApplicationUtils.instance().getHomeDirectory()
+				.getPath().toString();
+		Path savedInferencesPath = Paths.get(homeDirPath, "rdf", "tbox",
+				"savedInferences.n3");
+		return savedInferencesPath.toFile();
+	}
+
+	@Override
+	public void contextDestroyed(ServletContextEvent sce) {
+		// Nothing to do
+	}
+
+}