@@ -0,0 +1,515 @@
+package com.github.aureliano.achmed.annotation;%0A%0Aimport java.lang.annotation.ElementType;%0Aimport java.lang.annotation.Retention;%0Aimport java.lang.annotation.RetentionPolicy;%0Aimport java.lang.annotation.Target;%0A%0Aimport com.github.aureliano.achmed.validation.NotNullValidator;%0A%0A@Retention(RetentionPolicy.RUNTIME)%0A@Target(ElementType.METHOD)%0A@Constraint(validatedBy = NotNullValidator.class)%0Apublic @interface NotNull %7B%0A%0A%09public abstract String message() default %22Expected to find a not null value for field #%7B0%7D.%22;%0A%7D

Create not null annotation.