From d9043e15a4bd764c4c3eccd682a18445a598d923 Mon Sep 17 00:00:00 2001
From: Federico Igne <federico.igne@cs.ox.ac.uk>
Date: Fri, 27 Nov 2020 12:52:35 +0000
Subject: Add ability to pass multiple ontology files on the commandline

---
 src/main/scala/uk/ac/ox/cs/rsacomb/Main.scala        | 17 +++++++++--------
 src/main/scala/uk/ac/ox/cs/rsacomb/RSAOntology.scala | 16 +++++++++-------
 2 files changed, 18 insertions(+), 15 deletions(-)

(limited to 'src/main/scala/uk/ac/ox/cs')

diff --git a/src/main/scala/uk/ac/ox/cs/rsacomb/Main.scala b/src/main/scala/uk/ac/ox/cs/rsacomb/Main.scala
index 016bb86..40fee79 100644
--- a/src/main/scala/uk/ac/ox/cs/rsacomb/Main.scala
+++ b/src/main/scala/uk/ac/ox/cs/rsacomb/Main.scala
@@ -19,11 +19,11 @@ object RSAComb extends App {
   rsacomb - combined approach for CQ answering for RSA ontologies.
 
   USAGE
-    rsacomb <path/to/ontology.owl> <path/to/query.sparql>
+    rsacomb <query> <ontology> ...
 
   where
-    the ontology is expected to be an OWL file and the (single)
-    query a SPARQL query file.
+    - query: a (single) SPARQL query file.
+    - ontology: one or more ontologies.
 
   """
 
@@ -32,15 +32,15 @@ object RSAComb extends App {
    * TODO: use something better later on
    */
 
-  if (args.length < 2) {
+  if (args.length < 3) {
     println(help)
     sys.exit;
   }
 
-  val ontoPath = new File(args(0))
-  val queryPath = new File(args(1))
+  val queryPath = new File(args(0))
+  val ontoPaths = args.drop(1).map(new File(_))
 
-  if (!ontoPath.isFile || !queryPath.isFile) {
+  if (!queryPath.isFile || !ontoPaths.forall(_.isFile)) {
     println("The provided arguments are not regular files.\n\n")
     println(help)
     sys.exit;
@@ -51,8 +51,9 @@ object RSAComb extends App {
    * case.
    */
 
-  val ontology = RSAOntology(ontoPath)
+  val ontology = RSAOntology(ontoPaths: _*)
   if (ontology.isRSA) {
+    //println("ONTOLOGY IS RSA")
 
     /** Read SPARQL query from file */
     val source = io.Source.fromFile(queryPath.getAbsoluteFile)
diff --git a/src/main/scala/uk/ac/ox/cs/rsacomb/RSAOntology.scala b/src/main/scala/uk/ac/ox/cs/rsacomb/RSAOntology.scala
index ceb24de..4dd554a 100644
--- a/src/main/scala/uk/ac/ox/cs/rsacomb/RSAOntology.scala
+++ b/src/main/scala/uk/ac/ox/cs/rsacomb/RSAOntology.scala
@@ -6,7 +6,7 @@ import java.util.HashMap
 import java.util.stream.{Collectors, Stream}
 import java.io.File
 import org.semanticweb.owlapi.apibinding.OWLManager
-
+import org.semanticweb.owlapi.util.OWLOntologyMerger
 import org.semanticweb.owlapi.model.{OWLOntology, OWLAxiom}
 import org.semanticweb.owlapi.model.{
   OWLClass,
@@ -63,17 +63,19 @@ object RSAOntology {
 
   def apply(ontology: OWLOntology): RSAOntology = new RSAOntology(ontology)
 
-  def apply(ontology: File): RSAOntology =
-    new RSAOntology(loadOntology(ontology))
+  def apply(ontologies: File*): RSAOntology =
+    new RSAOntology(loadOntology(ontologies: _*))
 
   def genFreshVariable(): Variable = {
     counter += 1
     Variable.create(f"I$counter%03d")
   }
 
-  private def loadOntology(onto: File): OWLOntology = {
+  private def loadOntology(ontologies: File*): OWLOntology = {
     val manager = OWLManager.createOWLOntologyManager()
-    manager.loadOntologyFromOntologyDocument(onto)
+    ontologies.foreach { manager.loadOntologyFromOntologyDocument(_) }
+    val merger = new OWLOntologyMerger(manager)
+    merger.createMergedOntology(manager, OWLIRI.create("_:merged"))
   }
 }
 
@@ -163,8 +165,8 @@ class RSAOntology(val ontology: OWLOntology) {
     } yield rule
 
     /* DEBUG: print datalog rules */
-    //println("\nDatalog roles:")
-    //datalog.foreach(println)
+    println("\nDatalog roles:")
+    datalog.foreach(println)
 
     // Open connection with RDFox
     val (server, data) = RDFoxUtil.openConnection("RSACheck")
-- 
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