src/main/java/com/kamco/cd/kamcoback/postgres/core/MapLayerCoreService.java

@@ -1,5 +1,6 @@
 package com.kamco.cd.kamcoback.postgres.core;
 
+import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.kamco.cd.kamcoback.common.enums.LayerType;
 import com.kamco.cd.kamcoback.common.utils.UserUtil;
@@ -22,7 +23,11 @@ public class MapLayerCoreService {
    * @param addDto
    */
   public void save(WmtsAddDto addDto) {
-
+    Long order = 0L;
+    MapLayerEntity entity = mapLayerRepository.findSortOrderDesc().orElse(null);
+    if (entity != null) {
+      order = entity.getOrder() == null ? order : entity.getOrder() + 10;
+    }
     try {
       String rawJson = objectMapper.writeValueAsString(addDto.getWmtsLayerInfo()); // data 없는 형태로 저장
       MapLayerEntity mapLayerEntity = new MapLayerEntity();
@@ -32,11 +37,11 @@ public class MapLayerCoreService {
       mapLayerEntity.setRawJson(rawJson);
       mapLayerEntity.setIsChangeMap(true);
       mapLayerEntity.setIsLabelingMap(true);
-      mapLayerEntity.setOrder(10L);
+      mapLayerEntity.setOrder(order);
       mapLayerEntity.setLayerType(LayerType.WMTS.getId());
       mapLayerRepository.save(mapLayerEntity);
-    } catch (Exception e) {
+    } catch (JsonProcessingException e) {
-      e.printStackTrace();
+      throw new RuntimeException(e);
     }
 
     //

src/main/java/com/kamco/cd/kamcoback/postgres/entity/MapLayerEntity.java

@@ -93,6 +93,6 @@ public class MapLayerEntity {
   @Column(name = "is_labeling_map")
   private Boolean isLabelingMap;
 
-  @Column(name = "order")
+  @Column(name = "sort_order")
   private Long order;
 }

src/main/java/com/kamco/cd/kamcoback/postgres/repository/layer/MapLayerRepositoryCustom.java

@@ -1,3 +1,8 @@
 package com.kamco.cd.kamcoback.postgres.repository.layer;
 
-public interface MapLayerRepositoryCustom {}
+import com.kamco.cd.kamcoback.postgres.entity.MapLayerEntity;
+import java.util.Optional;
+
+public interface MapLayerRepositoryCustom {
+  Optional<MapLayerEntity> findSortOrderDesc();
+}

src/main/java/com/kamco/cd/kamcoback/postgres/repository/layer/MapLayerRepositoryImpl.java

@@ -1,6 +1,27 @@
 package com.kamco.cd.kamcoback.postgres.repository.layer;
 
+import static com.kamco.cd.kamcoback.postgres.entity.QMapLayerEntity.mapLayerEntity;
+
+import com.kamco.cd.kamcoback.postgres.entity.MapLayerEntity;
+import com.querydsl.jpa.impl.JPAQueryFactory;
+import java.util.Optional;
+import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Repository;
 
 @Repository
-public class MapLayerRepositoryImpl {}
+@RequiredArgsConstructor
+public class MapLayerRepositoryImpl implements MapLayerRepositoryCustom {
+
+  private final JPAQueryFactory queryFactory;
+
+  @Override
+  public Optional<MapLayerEntity> findSortOrderDesc() {
+    return Optional.ofNullable(
+        queryFactory
+            .selectFrom(mapLayerEntity)
+            .where(mapLayerEntity.order.isNotNull())
+            .orderBy(mapLayerEntity.order.desc())
+            .limit(1)
+            .fetchOne());
+  }
+}