@Scope(ConfigurableBeanFactory.SCOPE_PROTOTYPE)
これで「"prototype"」が指定できる。
org.springframework.context.annotation.Scope抜粋
String value() default ConfigurableBeanFactory.SCOPE_SINGLETON;
org.springframework.beans.factory.config.ConfigurableBeanFactory抜粋
public static final String SCOPE_SINGLETON = "singleton";
public static final String SCOPE_PROTOTYPE = "prototype";
org.springframework.context.annotation.Scopeのjavadoc
Scopes provided out of the box in Spring may be referred to using the SCOPE_* constants available in via ConfigurableBeanFactory and WebApplicationContext interfaces.
javadocに「定数使えるよ」って書いてあった。。。