Java FasterXml(Jackson)Mixins和继承

时间:2015-07-14 12:18:51

标签: mixins fasterxml

有两个简单的calsses

public class A { private int propId; public int getPropId(){return this.propId;} }
public class B extends A {  }

和两个mixins

public interface AMixin{ @JsonProperty("propIdA") int getPropId();}
public interface BMixin{ @JsonProperty("propIdB") int getPropId();}

jsonObjectMapper = new ObjectMapper();
// register mixin
jsonObjectMapper.addMixIn(B.class, BMixin.class);
jsonObjectMapper.addMixIn(A.class, AMixin.class);

以下两个调用获得相同的结果:

jsonObjectMapper.writeValue(writer, new A()); 
jsonObjectMapper.writeValue(writer, new B());

但我希望 propIdA 为第一个, propIdB 为第二个。

0 个答案:

没有答案