com.ctrip.framework.apollo.spring.annotation.ApolloJsonValue Maven / Gradle / Ivy
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package com.ctrip.framework.apollo.spring.annotation;
import java.lang.annotation.Documented;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
/**
* Use this annotation to inject json property from Apollo, support the same format as Spring @Value.
*
* Usage example:
*
* // Inject the json property value for type SomeObject.
* // Suppose SomeObject has 2 properties, someString and someInt, then the possible config
* // in Apollo is someJsonPropertyKey={"someString":"someValue", "someInt":10}.
* @ApolloJsonValue("${someJsonPropertyKey:someDefaultValue}")
* private SomeObject someObject;
*
*
* Create by zhangzheng on 2018/3/6
*
* @see org.springframework.beans.factory.annotation.Value
*/
@Retention(RetentionPolicy.RUNTIME)
@Target({ElementType.FIELD, ElementType.METHOD})
@Documented
public @interface ApolloJsonValue {
/**
* The actual value expression: e.g. "${someJsonPropertyKey:someDefaultValue}".
*/
String value();
}