Fixed enum type parameters

Author: JanHolger

src/main/java/org/javawebstack/orm/mapper/DefaultMapper.java

@@ -3,8 +3,10 @@
 import org.javawebstack.orm.SQLType;
 
 import java.sql.Timestamp;
+import java.util.Arrays;
 import java.util.Date;
 import java.util.UUID;
+import java.util.stream.Collectors;
 
 public class DefaultMapper implements TypeMapper {
 
@@ -77,6 +79,8 @@ public SQLType getType(Class<?> type, int size){
     }
 
     public String getTypeParameters(Class<?> type, int size){
+        if(type.isEnum())
+            return Arrays.stream(((Class<? extends Enum<?>>) type).getEnumConstants()).map(c -> c.name()).collect(Collectors.joining(","));
         if(type.equals(String.class))
             return size > 255 || size < 1 ? null : String.valueOf(size);
         return null;