1,不能获取composition关系的问题。

src/main/java/com/keymobile/metadata/metadataRelation/respository/CompositionRelationRespository.java

@@ -11,7 +11,7 @@ import java.util.List;
 @Repository
 public interface CompositionRelationRespository extends Neo4jRepository<CompositionRelation, Long> {
 
-    @Query("MATCH (n:MetaData{metadataId: $startId}),(n1:MetaData{metadataId: $endId}),p=(n)-[]-(n1) return p")
+    @Query("MATCH (n{metadataId: $startId}),(n1{metadataId: $endId}),p=(n)-[r:Composition]->(n1) return p")
     List<CompositionRelation> findCompositionRelationship(@Param("startId") String startId, @Param("endId") String endId);
 
 

src/main/java/com/keymobile/metadata/metadataRelation/service/impl/BaseRelationshipServiceImpl.java

@@ -48,6 +48,10 @@ public class BaseRelationshipServiceImpl implements IBaseRelationshipService {
 
         List<BaseRelationship> baseRelationshipList = new ArrayList<>();
         for (CompositionRelation compositionRelation : compositionRelationList) {
+            System.out.println("compositionRelation:"+compositionRelation);
+            if(compositionRelation == null){
+                continue;
+            }
             compositionRelation.setName("组合");
             baseRelationshipList.add(compositionRelation);
         }