diff --git a/src/main/java/org/gcube/dataanalysis/ecoengine/utils/DynamicEnum.java b/src/main/java/org/gcube/dataanalysis/ecoengine/utils/DynamicEnum.java
new file mode 100644
index 0000000..5274d94
--- /dev/null
+++ b/src/main/java/org/gcube/dataanalysis/ecoengine/utils/DynamicEnum.java
@@ -0,0 +1,151 @@
+package org.gcube.dataanalysis.ecoengine.utils;
+
+import java.lang.reflect.AccessibleObject;
+import java.lang.reflect.Array;
+import java.lang.reflect.Field;
+import java.lang.reflect.Modifier;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+import org.gcube.dataanalysis.ecoengine.utils.LMEEnum.LMEEnumType;
+
+import sun.reflect.ConstructorAccessor;
+import sun.reflect.FieldAccessor;
+import sun.reflect.ReflectionFactory;
+
+public class DynamicEnum {
+
+   private ReflectionFactory reflectionFactory = ReflectionFactory.getReflectionFactory();
+
+   private  void setFailsafeFieldValue(Field field, Object target, Object value) throws NoSuchFieldException,
+           IllegalAccessException {
+
+       // let's make the field accessible
+       field.setAccessible(true);
+
+       // next we change the modifier in the Field instance to
+       // not be final anymore, thus tricking reflection into
+       // letting us modify the static final field
+       Field modifiersField = Field.class.getDeclaredField("modifiers");
+       modifiersField.setAccessible(true);
+       int modifiers = modifiersField.getInt(field);
+
+       // blank out the final bit in the modifiers int
+       modifiers &= ~Modifier.FINAL;
+       modifiersField.setInt(field, modifiers);
+
+       FieldAccessor fa = reflectionFactory.newFieldAccessor(field, false);
+       fa.set(target, value);
+   }
+
+   private void blankField(Class<?> enumClass, String fieldName) throws NoSuchFieldException,
+           IllegalAccessException {
+       for (Field field : Class.class.getDeclaredFields()) {
+           if (field.getName().contains(fieldName)) {
+               AccessibleObject.setAccessible(new Field[] { field }, true);
+               setFailsafeFieldValue(field, enumClass, null);
+               break;
+           }
+       }
+   }
+
+   private void cleanEnumCache(Class<?> enumClass) throws NoSuchFieldException, IllegalAccessException {
+       blankField(enumClass, "enumConstantDirectory"); // Sun (Oracle?!?) JDK 1.5/6
+       blankField(enumClass, "enumConstants"); // IBM JDK
+   }
+
+   private ConstructorAccessor getConstructorAccessor(Class<?> enumClass, Class<?>[] additionalParameterTypes)
+           throws NoSuchMethodException {
+       Class<?>[] parameterTypes = new Class[additionalParameterTypes.length + 2];
+       parameterTypes[0] = String.class;
+       parameterTypes[1] = int.class;
+       System.arraycopy(additionalParameterTypes, 0, parameterTypes, 2, additionalParameterTypes.length);
+       return reflectionFactory.newConstructorAccessor(enumClass.getDeclaredConstructor(parameterTypes));
+   }
+
+   private Object makeEnum(Class<?> enumClass, String value, int ordinal, Class<?>[] additionalTypes,
+           Object[] additionalValues) throws Exception {
+       Object[] parms = new Object[additionalValues.length + 2];
+       parms[0] = value;
+       parms[1] = Integer.valueOf(ordinal);
+       System.arraycopy(additionalValues, 0, parms, 2, additionalValues.length);
+       return enumClass.cast(getConstructorAccessor(enumClass, additionalTypes).newInstance(parms));
+   }
+
+   /**
+    * Add an enum instance to the enum class given as argument
+    *
+    * @param <T> the type of the enum (implicit)
+    * @param enumType the class of the enum to be modified
+    * @param enumName the name of the new enum instance to be added to the class.
+    */
+   @SuppressWarnings("unchecked")
+   public  <T extends Enum<?>> void addEnum(Class<T> enumType, String enumName) {
+
+       // 0. Sanity checks
+       if (!Enum.class.isAssignableFrom(enumType)) {
+           throw new RuntimeException("class " + enumType + " is not an instance of Enum");
+       }
+
+       // 1. Lookup "$VALUES" holder in enum class and get previous enum instances
+       Field valuesField = null;
+       Field[] fields = getFields();
+       for (Field field : fields) {
+           if (field.getName().contains("$VALUES")) {
+               valuesField = field;
+               break;
+           }
+       }
+       AccessibleObject.setAccessible(new Field[] { valuesField }, true);
+
+       try {
+
+           // 2. Copy it
+           T[] previousValues = (T[]) valuesField.get(enumType);
+           List<T> values = new ArrayList<T>(Arrays.asList(previousValues));
+
+           // 3. build new enum
+           T newValue = (T) makeEnum(enumType, // The target enum class
+                   enumName, // THE NEW ENUM INSTANCE TO BE DYNAMICALLY ADDED
+                   values.size(),
+                   new Class<?>[] {}, // could be used to pass values to the enum constuctor if needed
+                   new Object[] {}); // could be used to pass values to the enum constuctor if needed
+
+           // 4. add new value
+           values.add(newValue);
+
+           // 5. Set new values field
+           setFailsafeFieldValue(valuesField, null, values.toArray((T[]) Array.newInstance(enumType, 0)));
+
+           // 6. Clean enum cache
+           cleanEnumCache(enumType);
+
+       } catch (Exception e) {
+           e.printStackTrace();
+           throw new RuntimeException(e.getMessage(), e);
+       }
+   }
+
+   public  static enum DynamicEnumE {
+    
+   };
+
+   public  Field[] getFields(){
+	   Field[] fields =DynamicEnumE.class.getDeclaredFields();
+	   return fields;
+   }
+   
+   public static void main(String[] args) {
+	   DynamicEnum en = new DynamicEnum();
+	   
+       // Dynamically add 3 new enum instances d, e, f to TestEnum
+       en.addEnum(DynamicEnumE.class, "d");
+       en.addEnum(DynamicEnumE.class, "e");
+       en.addEnum(DynamicEnumE.class, "f");
+
+       // Run a few tests just to show it works OK.
+       System.out.println(Arrays.deepToString(DynamicEnumE.values()));
+       // Shows : [a, b, c, d, e, f]
+   }
+}
diff --git a/src/main/java/org/gcube/dataanalysis/ecoengine/utils/LMEEnum.java b/src/main/java/org/gcube/dataanalysis/ecoengine/utils/LMEEnum.java
new file mode 100644
index 0000000..0c0202c
--- /dev/null
+++ b/src/main/java/org/gcube/dataanalysis/ecoengine/utils/LMEEnum.java
@@ -0,0 +1,37 @@
+package org.gcube.dataanalysis.ecoengine.utils;
+
+import java.lang.reflect.Field;
+import java.util.Arrays;
+
+public class LMEEnum extends DynamicEnum {
+
+	public enum LMEEnumType {
+
+	};
+
+	public Field[] getFields() {
+		Field[] fields = LMEEnumType.class.getDeclaredFields();
+		return fields;
+	}
+
+	public static void main(String[] args) {
+		LMEEnum en = new LMEEnum();
+		
+		en.addEnum(LMEEnumType.class, "CIAO");
+		en.addEnum(LMEEnumType.class, "TEST");
+		en.addEnum(LMEEnumType.class, "MIAO*_$");
+
+		System.out.println(Arrays.deepToString(LMEEnumType.values()));
+/*
+		DynamicEnum den = new DynamicEnum();
+		
+		den.addEnum(DynamicEnum.DynamicEnumE.class, "y");
+		den.addEnum(DynamicEnum.DynamicEnumE.class, "r");
+		den.addEnum(DynamicEnum.DynamicEnumE.class, "t");
+
+		System.out.println(Arrays.deepToString(DynamicEnum.DynamicEnumE.values()));
+*/
+		
+	}
+
+}