Implemented whereNotExists and orWhereNotExists on Query

Author: x7airworker

src/main/java/org/javawebstack/orm/query/Query.java

@@ -249,11 +249,21 @@ public <M extends Model> Query<T> whereExists(Class<M> model, Function<Query<M>,
         return this;
     }
 
+    public <M extends Model> Query<T> whereNotExists(Class<M> model, Function<Query<M>, Query<M>> consumer) {
+        where.whereNotExists(model, consumer);
+        return this;
+    }
+
     public <M extends Model> Query<T> orWhereExists(Class<M> model, Function<Query<M>, Query<M>> consumer) {
         where.orWhereExists(model, consumer);
         return this;
     }
 
+    public <M extends Model> Query<T> orWhereNotExists(Class<M> model, Function<Query<M>, Query<M>> consumer) {
+        where.orWhereNotExists(model, consumer);
+        return this;
+    }
+
     public Query<T> whereIn(Object left, Object... values) {
         where.whereIn(left, values);
         return this;