1.分页查找孤立点数量

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

@@ -78,6 +78,17 @@ public class DataRelationAnalyController {
         return dataRelationAnalyService.findTableWithoutRelations(parentId,0,200000);
     }
 
+    //分页
+    @ApiOperation(tags = "", value = "分页查找孤立点的总数")
+    @RequestMapping(path = "/getIsolatedTableTotal", method = RequestMethod.GET)
+    public Integer getIsolatedTableTotal(String parentId) {
+        logger.info("分页查找孤立点的总数:"+parentId);
+        if(parentId == null ){
+            return  0;
+        }
+        return dataRelationAnalyService.findTableWithoutRelationsTotal(parentId);
+    }
+
     @ApiOperation(tags = "", value = "分页查找指定节点的孤立点。parentId参数可以为schemaId，sysemId，evnId")
     @RequestMapping(path = "/getIsolatedTableByPage", method = RequestMethod.GET)
     public Map<String, ReturnNode> getIsolatedTableByPage(String parentId,int start,int size) {

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

@@ -70,4 +70,28 @@ public class DataRelationAnalyServiceImpl implements DataRelationAnalyService {
         }
         return returnNodeMap;
     }
+
+    @Override
+    public Integer findTableWithoutRelationsTotal(String parentId) {
+        String cypher = "";
+        String condition = "";
+        if(parentId !=null && parentId .startsWith("System=")){
+            condition=     "<-[r1:Composition]-(:Neo4jSchema)<-[r2:Composition]-(m:Neo4jSystem{metadataId:\""+parentId+"\"})";
+            cypher = "match (n:Neo4jTable) " + condition + "where not ((n)-[:`流向`]-()) return count(n) as count ";
+        }else if(parentId !=null && parentId .startsWith("Schema=")){
+            condition=     "<-[r1:Composition]-(m:Neo4jSchema{metadataId:\""+parentId+"\"})";
+            cypher = "match (n:Neo4jTable) " + condition + "where not ((n)-[:`流向`]-()) return  count(n) as count ";
+        }else if(parentId !=null){
+            cypher =  "match (n:Neo4jTable{isEnvironment:\""+parentId+"\"}) where not ((n)-[:`流向`]-()) return  count(n) as count ";
+        }
+
+        logger .info("查找孤立表总数的语句："+cypher);
+        StatementResult result = session.run(cypher);
+        int  jdcount= 0 ;
+        while(result.hasNext()){
+            Record record = result.next();
+            jdcount= record.get( "count").asInt();
+        }
+        return jdcount;
+    }
 }