{admin": false,
    "email": "student@student.com",
    "firstName": "Student",
    "idGroup": {
      "idGroup": 1,
      "name": "BlijkbaarGeenGroep",
      "teacher": {
        "admin": true,
        "email": "1",
        "firstName": "Example",
        "idUser": 1,
        "lastName": "User",
        "teacher": true
      }
    }

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返回以下内容。我想让Jackson做的就是无视老师。我真的不关心这个电话的老师项目。问题是我不想访问GroupEntity，因为有时候我确实需要groupinfo。

package org.hva.folivora.daomodel.user;

    import com.owlike.genson.annotation.JsonIgnore;
    import com.owlike.genson.annotation.JsonProperty;
    import org.codehaus.jackson.annotate.JsonIgnoreProperties;
    import org.codehaus.jackson.annotate.JsonIgnoreType;
    import org.hva.folivora.daomodel.global.GroupEntity;

    import javax.persistence.*;
    import java.io.Serializable;

    /**
     * @author
     */
    @Entity
    @Table(name = "Student", schema = "pad_ijburg", catalog = "")
    public class StudentEntity extends UserEntity implements Serializable {
        private GroupEntity idGroup;

        public StudentEntity(String email, String firstName, String lastName, String password, GroupEntity idGroup) {
            //A student cannot be an admin or teacher. (False, False)
            super(email, firstName, lastName, password, false, false);
            this.idGroup = idGroup;
        }

        public StudentEntity() {

        }

//Something like ignore all but idgroup??!
        @ManyToOne(cascade = CascadeType.ALL, fetch = FetchType.LAZY)
        @JoinColumn(name = "idGroup")
        public GroupEntity getIdGroup() {
            return idGroup;
        }

        public void setIdGroup(GroupEntity idGroup) {
            this.idGroup = idGroup;
        }

    }

型