Java SDN5:为(14762)-[CONTAINS]->;找到多个匹配的@RelationshipEntity;(14781)但不知道该用哪一个
我创建了两个不同类型的Spring数据Neo4j 5Java SDN5:为(14762)-[CONTAINS]->;找到多个匹配的@RelationshipEntity;(14781)但不知道该用哪一个,java,neo4j,neo4j-ogm,spring-data-neo4j-5,spring-data-neo4,Java,Neo4j,Neo4j Ogm,Spring Data Neo4j 5,Spring Data Neo4,我创建了两个不同类型的Spring数据Neo4j 5@RelationshipEntity: @RelationshipEntity(type = "CONTAINS") public class CharacteristicRelationship { @Id @GeneratedValue private Long id; @StartNode private CharacteristicGroup characteristicGroup;
@RelationshipEntity
:
@RelationshipEntity(type = "CONTAINS")
public class CharacteristicRelationship {
@Id
@GeneratedValue
private Long id;
@StartNode
private CharacteristicGroup characteristicGroup;
@EndNode
private Characteristic characteristic;
}
@RelationshipEntity(type = "CONTAINS")
public class DecisionGroupRelationship {
@Id
@GeneratedValue
private Long id;
@StartNode
private Decision decision;
@EndNode
private DecisionGroup childGroup;
}
一切正常,我成功通过了所有测试,但目前我在控制台中不断出现以下错误:
2018-04-29 15:36:52.387 ERROR 7664 --- [ main] org.neo4j.ogm.context.GraphEntityMapper : Found more than one matching @RelationshipEntity for (14762)-[CONTAINS]->(14781) but cannot tell which one to use
2018-04-29 15:36:52.390 ERROR 7664 --- [ main] org.neo4j.ogm.context.GraphEntityMapper : Found more than one matching @RelationshipEntity for (14762)-[CONTAINS]->(14779) but cannot tell which one to use
2018-04-29 15:36:52.391 ERROR 7664 --- [ main] org.neo4j.ogm.context.GraphEntityMapper : Found more than one matching @RelationshipEntity for (14762)-[CONTAINS]->(14774) but cannot tell which one to use
我做错了什么?如何修复?是否允许具有相同类型的不同@RelationshipEntity
在org.neo4j.ogm.context.GraphEntityMapper.getRelationshipEntity(Edge)
中,我可以看到以下代码:
} else {
// almost definitely a user bug
logger.error("Found more than one matching @RelationshipEntity for {} but cannot tell which one to use",
edge.toString());
}
只需打印错误日志就可以了。这真的很难理解-这是一个错误或没有,以及如何处理它
课程包括:
@NodeEntity
public class CharacteristicGroup extends BaseEntity {
private static final String DEFINED_BY = "DEFINED_BY";
private static final String CONTAINS = "CONTAINS";
@Index(unique = true)
private Long id;
@Index(unique = false)
private String name;
@Index(unique = false)
private String lowerName;
@Relationship(type = DEFINED_BY, direction = Relationship.OUTGOING)
private Set<DecisionGroup> decisionGroups;
@Relationship(type = CONTAINS, direction = Relationship.OUTGOING)
private Set<CharacteristicRelationship> characteristicRelationships;
...
}
@NodeEntity
public class Characteristic extends BaseEntity {
private static final String CONTAINS = "CONTAINS";
@Index(unique = true)
private Long id;
@Index(unique = false)
private String name;
@Index(unique = false)
private String lowerName;
@Relationship(type = CONTAINS, direction = Relationship.OUTGOING)
private Set<CharacteristicProperty> properties;
@Relationship(type = CONTAINS, direction = Relationship.INCOMING)
private Set<CharacteristicRelationship> characteristicRelationships;
...
}
@NodeEntity
public class DecisionGroup extends BaseEntity {
private static final String CONTAINS_DECISION_GROUP = "CONTAINS_DECISION_GROUP";
@Index(unique = true)
private Long id;
@Index(unique = false)
private String name;
@Index(unique = false)
private String lowerName;
@Relationship(type = CONTAINS_DECISION_GROUP, direction = Relationship.INCOMING)
private Set<DecisionGroupRelationship> decisionGroupRelationships;
@Index(unique = false)
private int totalChildDecisions;
...
}
@NodeEntity
public class Decision extends BaseEntity {
private static final String DEFINED_BY = "DEFINED_BY";
private static final String CONTAINS = "CONTAINS";
private static final String CONTAINS_DECISION_GROUP = "CONTAINS_DECISION_GROUP";
public static final String FOLLOWS = "FOLLOWS";
@Index(unique = true)
private Long id;
@Index(unique = false)
private String name;
@Index(unique = false)
private String lowerName;
@Relationship(type = CONTAINS, direction = Relationship.INCOMING)
private Set<DecisionGroup> parentGroups;
@Relationship(type = CONTAINS_DECISION_GROUP, direction = Relationship.OUTGOING)
private Set<DecisionGroupRelationship> childGroupRelationships;
@Relationship(type = DEFINED_BY, direction = Relationship.INCOMING)
private Set<Media> medias;
@Index(unique = false)
private int totalViews;
...
}
@NodeEntity
public abstract class BaseEntity implements BaseEntityVisitable {
private static final String CREATED_BY = "CREATED_BY";
private static final String UPDATED_BY = "UPDATED_BY";
private static final String OWNED_BY = "OWNED_BY";
private static final String CONTAINS = "CONTAINS";
@Id
@GeneratedValue
private Long graphId;
@Index(unique = true)
private String uuid;
@Index(unique = true)
private String customId;
@DateLong
@Index(unique = false)
private Date createDate;
@Relationship(type = CREATED_BY, direction = Relationship.OUTGOING)
private User createUser;
@DateLong
@Index(unique = false)
private Date updateDate;
@Relationship(type = UPDATED_BY, direction = Relationship.OUTGOING)
private User updateUser;
@Relationship(type = OWNED_BY, direction = Relationship.OUTGOING)
private Set<BaseEntity> ownerEntities;
@Relationship(type = CONTAINS, direction = Relationship.OUTGOING)
private Set<Translation> translations;
...
}
@NodeEntity
公共类CharacteristicGroup扩展BaseEntity{
私有静态最终字符串DEFINED_BY=“DEFINED_BY”;
私有静态最终字符串CONTAINS=“CONTAINS”;
@索引(唯一=真)
私人长id;
@索引(唯一=假)
私有字符串名称;
@索引(唯一=假)
私有字符串lowerName;
@关系(类型=定义人,方向=关系。传出)
私有集决策组;
@关系(类型=包含,方向=关系。传出)
私人关系;
...
}
@节点性
公共类特征扩展了BaseEntity{
私有静态最终字符串CONTAINS=“CONTAINS”;
@索引(唯一=真)
私人长id;
@索引(唯一=假)
私有字符串名称;
@索引(唯一=假)
私有字符串lowerName;
@关系(类型=包含,方向=关系。传出)
私有集属性;
@关系(类型=包含,方向=关系。传入)
私人关系;
...
}
@节点性
公共类DecisionGroup扩展了BaseEntity{
私有静态最终字符串包含\u DECISION\u GROUP=“包含\u DECISION\u GROUP”;
@索引(唯一=真)
私人长id;
@索引(唯一=假)
私有字符串名称;
@索引(唯一=假)
私有字符串lowerName;
@关系(类型=包含决策组,方向=关系。传入)
私有集决策组关系;
@索引(唯一=假)
私人决定;
...
}
@节点性
公共类决策扩展BaseEntity{
私有静态最终字符串DEFINED_BY=“DEFINED_BY”;
私有静态最终字符串CONTAINS=“CONTAINS”;
私有静态最终字符串包含\u DECISION\u GROUP=“包含\u DECISION\u GROUP”;
公共静态最终字符串FOLLOWS=“FOLLOWS”;
@索引(唯一=真)
私人长id;
@索引(唯一=假)
私有字符串名称;
@索引(唯一=假)
私有字符串lowerName;
@关系(类型=包含,方向=关系。传入)
私有集父组;
@关系(类型=包含决策组,方向=关系。传出)
私人关系;
@关系(类型=定义者,方向=关系。传入)
专用媒体;
@索引(唯一=假)
私人观点;
...
}
@节点性
公共抽象类BaseEntity实现BaseEntityVisitable{
私有静态最终字符串CREATED_BY=“CREATED_BY”;
私有静态最终字符串UPDATED_BY=“UPDATED_BY”;
私有静态最终字符串OWNED_BY=“OWNED_BY”;
私有静态最终字符串CONTAINS=“CONTAINS”;
@身份证
@生成值
私人长格拉皮德;
@索引(唯一=真)
私有字符串uuid;
@索引(唯一=真)
私有字符串customId;
@长久的
@索引(唯一=假)
私人日期;
@关系(类型=创建人,方向=关系。传出)
私有用户;
@长久的
@索引(唯一=假)
私人日期更新日期;
@关系(类型=更新者,方向=关系。传出)
私有用户更新器;
@关系(类型=所有者,方向=关系。传出)
私人设置所有权;
@关系(类型=包含,方向=关系。传出)
私有集翻译;
...
}
请显示特征组
、特征
、决策组
、和决策
@cmosher01的源代码我已经用提到的类更新了问题顺便说一句,我已经通过将第二个关系实体类型重命名为唯一的类型(包含决策组)解决了问题但有趣的是,为什么它不能正常使用相同的类型。您正在请求哪些数据,您正在请求哪些数据?