add log when no candidate rules are found

7 years ago · 2e76b0b776
parent e7d3705320
commit 2e76b0b776
1 changed files with 5 additions and 1 deletions
--- 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());
    }