diff --git a/java_xdsml/plugins/org.eclipse.gemoc.execution.sequential.javaxdsml.metaprog/plugin.xml b/java_xdsml/plugins/org.eclipse.gemoc.execution.sequential.javaxdsml.metaprog/plugin.xml
index df7b022..2889516 100644
--- a/java_xdsml/plugins/org.eclipse.gemoc.execution.sequential.javaxdsml.metaprog/plugin.xml
+++ b/java_xdsml/plugins/org.eclipse.gemoc.execution.sequential.javaxdsml.metaprog/plugin.xml
@@ -8,19 +8,10 @@
             name="org.eclipse.gemoc.metaprog.kermeta3"
             validator="org.eclipse.gemoc.execution.sequential.javaxdsml.ruleprovider.Kermeta3RuleProvider">
          <languageComponent
-               description="Entry for the Kermeta3 metaprogramming approach.\n Used to list the various aspects required for the language."
+               description="Entry used to define domain specific actions for the dsl, one of the aspects listed must have a @init tag while another one must have the @main tag."
                name="k3"
-               optional="false">
-         </languageComponent>
-         <languageComponent
-               description="Entry used to define the sirius file in which the graphical elements for modelling the DSL are locatted."
-               name="sirius"
-               optional="true">
-         </languageComponent>
-         <languageComponent
-               description="Entry for the definition of the concrete syntax of the DSL."
-               name="xtext"
-               optional="true">
+               optional="false"
+               validationRule="org.eclipse.gemoc.execution.sequential.javaxdsml.ruleprovider.Kermeta3Rule">
          </languageComponent>
       </approach>
    </extension>
diff --git a/java_xdsml/plugins/org.eclipse.gemoc.execution.sequential.javaxdsml.metaprog/src/org/eclipse/gemoc/execution/sequential/javaxdsml/ruleprovider/Kermeta3Rule.java b/java_xdsml/plugins/org.eclipse.gemoc.execution.sequential.javaxdsml.metaprog/src/org/eclipse/gemoc/execution/sequential/javaxdsml/ruleprovider/Kermeta3Rule.java
new file mode 100644
index 0000000..a3b8940
--- /dev/null
+++ b/java_xdsml/plugins/org.eclipse.gemoc.execution.sequential.javaxdsml.metaprog/src/org/eclipse/gemoc/execution/sequential/javaxdsml/ruleprovider/Kermeta3Rule.java
@@ -0,0 +1,22 @@
+package org.eclipse.gemoc.execution.sequential.javaxdsml.ruleprovider;
+
+import org.eclipse.gemoc.dsl.Entry;
+import org.eclipse.gemoc.xdsmlframework.api.extensions.metaprog.ILanguageComponentValidator;
+import org.eclipse.gemoc.xdsmlframework.api.extensions.metaprog.Message;
+import org.eclipse.gemoc.xdsmlframework.api.extensions.metaprog.Severity;
+import org.eclipse.gemoc.xdsmlframework.extensions.kermeta3.Kermeta3RuleHelper;
+
+public class Kermeta3Rule implements ILanguageComponentValidator {
+	
+	private Kermeta3RuleHelper k3Helper = new Kermeta3RuleHelper(true);
+
+
+	@Override
+	public Message validate(Entry entry) {
+		if("k3".matches(entry.getKey())) {
+			return k3Helper.execute(entry.getValue(), entry.eResource().getURI());
+		}
+		return(new Message("", Severity.DEFAULT));
+	}
+
+}
diff --git a/java_xdsml/plugins/org.eclipse.gemoc.execution.sequential.javaxdsml.metaprog/src/org/eclipse/gemoc/execution/sequential/javaxdsml/ruleprovider/Kermeta3RuleProvider.java b/java_xdsml/plugins/org.eclipse.gemoc.execution.sequential.javaxdsml.metaprog/src/org/eclipse/gemoc/execution/sequential/javaxdsml/ruleprovider/Kermeta3RuleProvider.java
deleted file mode 100644
index a834311..0000000
--- a/java_xdsml/plugins/org.eclipse.gemoc.execution.sequential.javaxdsml.metaprog/src/org/eclipse/gemoc/execution/sequential/javaxdsml/ruleprovider/Kermeta3RuleProvider.java
+++ /dev/null
@@ -1,36 +0,0 @@
-package org.eclipse.gemoc.execution.sequential.javaxdsml.ruleprovider;
-
-import java.util.Collection;
-import java.util.HashSet;
-import java.util.Set;
-
-import org.eclipse.gemoc.xdsmlframework.api.extensions.metaprog.IRule;
-import org.eclipse.gemoc.xdsmlframework.api.extensions.metaprog.IRuleProvider;
-import org.eclipse.gemoc.xdsmlframework.api.extensions.metaprog.EcoreRule;
-import org.eclipse.gemoc.xdsmlframework.extensions.kermeta3.Kermeta3Rule;
-
-
-/**
- * RuleProvider used for the Kermeta3 meta-programming approach
- * @author GUEGUEN Ronan
- *
- */
-public class Kermeta3RuleProvider implements IRuleProvider {
-	
-	private Set<IRule> ruleSet = new HashSet<IRule>();
-
-	/**
-	 * Creates a RuleProvider for the Kermeta3 meta-programming approach, contains rules from the Ecore RuleProvider
-	 */
-	public Kermeta3RuleProvider() {
-		ruleSet.add(new EcoreRule());
-		ruleSet.add(new Kermeta3Rule(true));
-	}
-	
-	@Override
-	public Collection<IRule> getValidationRules(){
-		return ruleSet;
-		
-	}
-
-}