postman 데이터가 있는 경우에만 전송하도록 수정

postman, dropbox에 description 추가

src/main/java/com/bsmlab/dfx/agent/config/AgentConfigDto.java

@@ -60,6 +60,7 @@ public class AgentConfigDto {
         private String dataSourceId;
         private String sqlId;
         private String saveDirectoryRoot;
+        private String description;
     }
 
     @Data
@@ -77,6 +78,7 @@ public class AgentConfigDto {
         private String recipientHostId;
         private String recipientDropBoxId;
         private List<String> routingHostIdList;
+        private String description;
     }
 
     @Data

src/main/java/com/bsmlab/dfx/agent/task/postman/PostmanSchedulerService.java

@@ -83,6 +83,7 @@ public class PostmanSchedulerService {
                 String response = null;
                 try {
                     List<Map<String, Object>> dataMapList = sqlExecuteService.select(dataSourceId, sqlId, null);
+                    if(dataMapList != null && !dataMapList.isEmpty()) {
                         String dataString = objectMapper.writeValueAsString(dataMapList);
                         ReceiveMessageDto receiveMessageDto = ReceiveMessageDto.builder().senderHostId(senderHostId).senderTimestamp(senderTimestamp)
                                 .messageUuid(messageUuid).messageType(AgentConfigDto.MessageType.TRANSFER_DB_TO_DB)
@@ -106,6 +107,7 @@ public class PostmanSchedulerService {
                             sqlExecuteService.update(dataSourceId, postProcessingSqlId, new HashMap<String, Object>());
                         }
                     }
+                }
                 catch (JsonProcessingException e) {
                     log.warn("대상 agent {}[{}]에게 전송하였으나 응답메시지가 비정상입니다. 응답메시지: {}", knownAgent.getHostId(), knownAgent.getHostName(), response, e);
                 }