kwin commented on code in PR #216:
URL: https://github.com/apache/maven-enforcer/pull/216#discussion_r1059778363


##########
maven-enforcer-plugin/src/main/java/org/apache/maven/plugins/enforcer/internal/EnforcerRuleManager.java:
##########
@@ -93,6 +112,16 @@ public List<EnforcerRuleDesc> 
createRules(PlexusConfiguration rules) throws Enfo
 
     private EnforcerRuleDesc createRuleDesc(String name, String 
implementation) throws EnforcerRuleManagerException {
 
+        // component name should always start at lowercase character
+        String ruleName = Character.toLowerCase(name.charAt(0)) + 
name.substring(1);
+
+        try {
+            return new EnforcerRuleDesc(ruleName, 
plexusContainer.lookup(EnforcerRuleBase.class, ruleName));

Review Comment:
   What is the default scope of Sisu components? How does it work, if the same 
rule is being used more than once with different parameters in parallel?
   Shouldn't rules having the singleton scope lead to a warn at least to 
prevent race conditions with multi-threading?
   
   What about allowing to reuse rule objects but always pass the current 
parametrisation as argument to the execute method (e.g. for custom rules having 
complex global initialisation)



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