Make file logging lazy

2 files changed, 2 insertions, 2 deletions

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 83ebbcb..afda25e 100644
--- a/src/main/scala/uk/ac/ox/cs/rsacomb/RSAOntology.scala
+++ b/src/main/scala/uk/ac/ox/cs/rsacomb/RSAOntology.scala
@@ -589,7 +589,7 @@ class RSAOntology(axioms: List[OWLLogicalAxiom], datafiles: List[os.Path])
 
       /* Add filtering program */
       Logger print s"Filtering program rules: ${filter.rules.length}"
-      Logger.write(filter.rules.mkString("\n"), "filter.datalog")
+      Logger.write(filter.rules.mkString("\n"), s"filter${query.id}.datalog")
       RDFoxUtil.addRules(data, filter.rules)
       // TODO: We remove the rules, should we drop the tuple table as well?
       data.clearRulesAxiomsExplicateFacts()
diff --git a/src/main/scala/uk/ac/ox/cs/rsacomb/util/Logger.scala b/src/main/scala/uk/ac/ox/cs/rsacomb/util/Logger.scala
index 275079c..a55b5a0 100644
--- a/src/main/scala/uk/ac/ox/cs/rsacomb/util/Logger.scala
+++ b/src/main/scala/uk/ac/ox/cs/rsacomb/util/Logger.scala
@@ -50,7 +50,7 @@ object Logger {
     if (lvl <= level)
       output println s"[$lvl][${time.getTime}] $str"
 
-  def write(content: os.Source, file: String, lvl: Level = VERBOSE): Unit =
+  def write(content: => os.Source, file: String, lvl: Level = VERBOSE): Unit =
     if (lvl <= level)
       os.write.append(dir / file, content)