package com.github.aureliano.damihilogs.annotation;

import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.METHOD)
public @interface NotNull {

	public abstract String message() default "Expected to find a not null value for field ?.";
}
Create not null constraint annotation.