1 关系添加属性：jobId，2 添加接口，给解析sql调用，更新局部关系。

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

@@ -556,6 +556,21 @@ public class MetaDataController {
         logger.info("返回结果，后台继续运行。");
         return flag;
     }
+
+    @ApiOperation(tags = "", value = "根据环境id与jobId同步元数据关系的接口")
+    @RequestMapping(path = "/synchroRelationByJobId", method = RequestMethod.POST)
+    public String synchroRelationByJobId(String catalogName,String jobId) {
+        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
+        LogManager.logInfo(LogConstants.CTX_Relation, "用户 "+ getUserName() + " 在 "+ sdf.format(new Date())+"同步"+catalogName+" JobId:"+jobId+"的元数据。" );
+        logger.info("开始异步迁移元数据：从mongo到neo4j");
+        String flag = "success";
+
+        asyncDataFromMongoToNeo4j.asyncJobFromMongo2Neo4j(catalogName,jobId);
+
+        logger.info("返回结果，后台继续运行。");
+        return flag;
+    }
+
     private String getUserName() {
         Object obj = SecurityContextHolder.getContext().getAuthentication().getPrincipal();
         if (obj instanceof String) {

src/main/java/com/keymobile/metadata/metadataRelation/service/AsyncDataFromMongoToNeo4j.java

@@ -22,6 +22,8 @@ public class AsyncDataFromMongoToNeo4j {
     private static final Logger logger = LoggerFactory.getLogger(AsyncDataFromMongoToNeo4j.class);
     @Autowired
     private IMetadataService metadataService;
+    @Autowired
+    private IMetadataRelationService metadataRelationService;
 
     @Autowired
     private JdbcTemplate jdbcTemplate;
@@ -83,6 +85,12 @@ public class AsyncDataFromMongoToNeo4j {
         logger.info("同步数据完成，用时："+(end-start));
     }
 
-
-
+    @Async
+    public void asyncJobFromMongo2Neo4j(String catalogName,String jobId) {
+        //先按照环境id，作业id，删除关系，然后同步关系，
+        // 一般来说，关系的字段已经存在neo4j，但是sql不一定存在，
+        // 如果sql不存在，需要先同步sql ，srcipt，job，再建立关系。
+        metadataRelationService.deleteRelationByJobId(catalogName,jobId);
+        metadataRelationService.syschroRelationFromMongo(catalogName,jobId);
+    }
 }

src/main/java/com/keymobile/metadata/metadataRelation/service/IBaseRelationshipService.java

@@ -69,6 +69,8 @@ public interface IBaseRelationshipService {
 
     void saveRelation(String  startMetadataId, String endMetadataid, String composition);
 
-    void saveRelation(String startId, String endId, String relationType,String description);
+    void saveRelation(String  startId, String endId, String relationType,String jobId);
+
+    void saveRelation(String startId, String endId, String relationType,String jobId,String description);
 
 }

src/main/java/com/keymobile/metadata/metadataRelation/service/IMetadataRelationService.java

@@ -8,4 +8,8 @@ public interface IMetadataRelationService {
 
     ReturnReslult filterJosnByModelName(String reulstJson,String filterModel,String retainModel);
 
+    //删除关系
+    void deleteRelationByJobId(String catalogName, String jobId);
+    //同步关系，如果元数据不存在，要先同步元数据
+    void syschroRelationFromMongo(String catalogName, String jobId);
 }

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

@@ -183,7 +183,7 @@ public class BaseRelationshipServiceImpl implements IBaseRelationshipService {
     }
 
     @Override
-    public void saveRelation(String startId, String endId, String relationType,String description) {
+    public void saveRelation(String startId, String endId, String relationType,String jobId) {
         Neo4jConfig neo4jConfig = new Neo4jConfig();
         Driver neo4jConnection = neo4jConfig.getNeo4jConnection();
         Session session = neo4jConnection.session();
@@ -191,9 +191,26 @@ public class BaseRelationshipServiceImpl implements IBaseRelationshipService {
 //              (m{metadataId:"Table=1=d644b631fa8c434e928bcd1f1665b060"})
 //        create (n)<-[r:Composition]-(m)
 //        return n,m,r
-        String cypher = " match (n{metadataId:\""+startId+"\"}),(m{metadataId:\""+endId+"\"}) merge (n)-[r:"+relationType+"]->(m) set r.description ="+description;
+        String cypher = " match (n{metadataId:\""+startId+"\"}),(m{metadataId:\""+endId+"\"}) merge (n)-[r:"+relationType+"]->(m) set r.jobId ="+jobId;
 
 //        logger.info("运行保存关系完成：" + cypher);
         session.run(cypher);
     }
+
+    @Override
+    public void saveRelation(String startId, String endId, String relationType,String jobId,String description) {
+        Neo4jConfig neo4jConfig = new Neo4jConfig();
+        Driver neo4jConnection = neo4jConfig.getNeo4jConnection();
+        Session session = neo4jConnection.session();
+//        match (n{metadataId:"Column=1=d9c2d67e56a3428e8e4f22918782437f"}),
+//              (m{metadataId:"Table=1=d644b631fa8c434e928bcd1f1665b060"})
+//        create (n)<-[r:Composition]-(m)
+//        return n,m,r
+        String cypher = " match (n{metadataId:\""+startId+"\"}),(m{metadataId:\""+endId+"\"}) " +
+                "merge (n)-[r:"+relationType+"]->(m) set r.jobId ="+description + " and r.description = "+ description;
+
+//        logger.info("运行保存关系完成：" + cypher);
+        session.run(cypher);
+    }
+
 }

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

@@ -1852,13 +1852,11 @@ public class MetadataServiceImpl implements IMetadataService {
             relationshipService.saveRelation(sourceTableId,targetTableId,"流向");
         }
 
-
-
     }
     @Override
     public void syschroTable2EtlJobRelations(String catalogName) {
         Map<String, String> relationMap = new HashMap<>();
-        Map<String,String> edgeIdMap = new HashMap<>();
+        Map<String,Map<String, String>> edgeIdMap = new HashMap<>();
         int page =0,pageSize = 300;
         long time0 = System.currentTimeMillis();
         long totalElement = mongoDbServiceImpl.countRelation(PageRequest.of(page,pageSize),catalogName);
@@ -1869,13 +1867,17 @@ public class MetadataServiceImpl implements IMetadataService {
         logger.info("准备分页从mongo获取关系，每页："+ pageSize);
         for(; page< totalPageCount;page++){
             logger.info("开始从 mongo 第"+page+1  +" 次获取关系。");
-            String description = "";
             long time3 = System.currentTimeMillis();
             List<Document> relationList = mongoDbServiceImpl.findRelationByPage(PageRequest.of(page,pageSize,Sort.by("_id")),catalogName);
             long time4 = System.currentTimeMillis();
             logger.info("从 mongo 第"+page+1  +" 次获取关系结束，耗时：" +(time4-time3) );
             for(Document relation :relationList){
-                description = relation.getString("description");
+
+                Map<String,String> attributeMap = new HashMap<>();
+                String jobId = relation.getString("jobId");
+                attributeMap.put("jobId",jobId);
+                String description = relation.getString("description");
+                attributeMap.put("description",description);
                 String type = relation.getString("type");
                 if(!(type.equals("Input") || type.equals("Output"))){
                     continue;
@@ -1884,7 +1886,7 @@ public class MetadataServiceImpl implements IMetadataService {
                 String targetId =relation.getString("target"); // relationMongo.getTarget();
 
                 //本身的字段级关系也要同步
-                edgeIdMap.put(sourceId+"_"+targetId,description);
+                edgeIdMap.put(sourceId+"_"+targetId,attributeMap);
 
                 Map<String, Object> sourceData = metadataRepoRemoteService.getMetadata(sourceId);
                 Map<String, Object> targetData = metadataRepoRemoteService.getMetadata(targetId);
@@ -1953,7 +1955,7 @@ public class MetadataServiceImpl implements IMetadataService {
                     endId = (String )targetParent.get("_id");
                 }
                 String relationId = startId+"_"+endId;
-                edgeIdMap.put(relationId,description);
+                edgeIdMap.put(relationId,attributeMap);
             }
         }
 
@@ -1967,11 +1969,14 @@ public class MetadataServiceImpl implements IMetadataService {
             String[]  dataIds = edgeId.split("_");
             String startId = dataIds[0];
             String endId = dataIds[1];
-            String  description = edgeIdMap.get(obj);
+            Map<String,String> attributeMap0 =  edgeIdMap.get(obj);
+            String description = attributeMap0.get("description");
+            String jobId = attributeMap0.get("jobId");
+//            String  description = edgeIdMap.get(obj);
             if(description ==null || description.equalsIgnoreCase("")){
-                relationshipService.saveRelation(startId,endId,"流向");
+                relationshipService.saveRelation(startId,endId,"流向",jobId);
             }else{
-                relationshipService.saveRelation(startId,endId,"流向",description);
+                relationshipService.saveRelation(startId,endId,"流向",jobId,description);
 
             }
         }

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

@@ -165,6 +165,27 @@ public class MongoDbServiceImpl {
         return mongoTemplate.count(query, Document.class, PREFIX_MD_RELATION + catalogName);
     }
 
+
+    public long countRelationByJobId(Pageable pageable, String catalogName,String jobId) {
+        Query query = new Query(new Criteria() .andOperator(Criteria.where("jobId").is(jobId),
+                new Criteria().orOperator(Criteria.where("type").is("Input"),Criteria.where("type").is("Output"))
+                            )
+                            );
+
+//        Query query = new Query(new Criteria().orOperator(Criteria.where("type").is("Input"),Criteria.where("type").is("Output")));
+        query.with(pageable);
+        return mongoTemplate.count(query, Document.class, PREFIX_MD_RELATION + catalogName);
+    }
+    public List<Document> findRelationByJobIdByPage(Pageable pageable, String catalogName,String jobId) {
+        Query query = new Query(new Criteria() .andOperator(Criteria.where("jobId").is(jobId),
+                new Criteria().orOperator(Criteria.where("type").is("Input"),Criteria.where("type").is("Output"))
+        )
+        );
+//        Query query = new Query(new Criteria().orOperator(Criteria.where("type").is("Input"),Criteria.where("type").is("Output")));
+        query.with(pageable);
+        return mongoTemplate.find(query, Document.class, PREFIX_MD_RELATION + catalogName);
+    }
+
     public List<Document> find1104Relations( String catalogName) {
         return mongoTemplate.findAll(Document.class, "Relation" + catalogName);
     }