From 2e76b0b776c11310b66cb8f281f7566d2a6de2ad Mon Sep 17 00:00:00 2001
From: Mahmoud Ben Hassine <mahmoud.benhassine@icloud.com>
Date: Tue, 28 Nov 2017 11:21:52 +0100
Subject: [PATCH] add log when no candidate rules are found

---
 .../java/org/jeasy/rules/core/InferenceRulesEngine.java     | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/easy-rules-core/src/main/java/org/jeasy/rules/core/InferenceRulesEngine.java b/easy-rules-core/src/main/java/org/jeasy/rules/core/InferenceRulesEngine.java
index a1a3216..30caf8c 100644
--- a/easy-rules-core/src/main/java/org/jeasy/rules/core/InferenceRulesEngine.java
+++ b/easy-rules-core/src/main/java/org/jeasy/rules/core/InferenceRulesEngine.java
@@ -88,7 +88,11 @@ public final class InferenceRulesEngine implements RulesEngine {
         do {
             LOGGER.info("Selecting candidate rules based on the following {}", facts);
             selectedRules = selectCandidates(rules, facts);
-            delegate.apply(new Rules(selectedRules), facts);
+            if(!selectedRules.isEmpty()) {
+                delegate.apply(new Rules(selectedRules), facts);
+            } else {
+                LOGGER.info("No candidate rules found for {}", facts);
+            }
         } while (!selectedRules.isEmpty());
     }