1.查询对象为系统,并且用名字查询的图形

src/main/java/com/keymobile/metadata/metadataRelation/controller/MetaDataController.java

@@ -75,9 +75,13 @@ public class MetaDataController {
         int layerLong = Integer.valueOf(layer);
         ReturnReslult returnReslult = null;
         List<MetaData> metadataList = metadataService.getMetadataByName(metadataName);
-        if(metadataList != null && metadataList.size()!=0){
+         if(metadataList != null && metadataList.size()!=0){
             String metadataId = metadataList.get(0).getMetadataId();
-            returnReslult = metadataService.searchGraph(metadataId,layerLong);
+             if(metadataId.startsWith("System=")){
+                 returnReslult = metadataService.searchGraphBySystem(metadataId,layerLong);
+             }else{
+                 returnReslult = metadataService.searchGraph(metadataId,layerLong);
+             }
         }else {
             logger.info("没有找到元数据："+metadataName);
         }

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

@@ -1479,7 +1479,39 @@ public class MetadataServiceImpl implements IMetadataService {
 
     @Override
     public List<MetaData> getMetadataByName(String name) {
-        return metadataRepository.findMetadataByName(name);
+        List<MetaData> metaDataList = metadataRepository.findMetadataByName(name);
+
+        if(metaDataList ==null || metaDataList.size()==0){
+            Neo4jConfig neo4jConfig = new Neo4jConfig();
+            Driver neo4jConnection = neo4jConfig.getNeo4jConnection();
+            Session session = neo4jConnection.session();
+
+
+                //向上获取路径
+                String cypher = "match (n{name:\""+name+"\"})  return n  ";
+                logger.info("cypher:" + cypher);
+                StatementResult result = session.run(cypher);
+                while(result.hasNext()){
+                    Record record = result.next();
+                    List<Value> values = record.values();
+                    for (Value value : values) {
+                        if(value.type().name().equals("NODE")){
+                            Node node = value.asNode();
+
+                            Map<String, Object> stringObjectMap = node.asMap();
+                            MetaData metaData = new MetaData();
+                            Neo4jTool.transMap2Bean(stringObjectMap, metaData);
+                            if(metaData.getMetadataId() == null ){
+                                metaData.setMetadataId("System="+metaData.getName());
+                            }
+                            metaDataList.add(metaData);
+                        }
+                    }
+                }
+
+        }
+
+        return metaDataList;
     }
 
     @Override