fix #477: list vpd target objects

src/main/java/com/cloudhandson/vpdbackoffice/config/DbPoolWarmup.java

@@ -2,6 +2,7 @@ package com.cloudhandson.vpdbackoffice.config;
 
 import com.cloudhandson.vpdbackoffice.service.PermissionService;
 import com.cloudhandson.vpdbackoffice.service.ProtectedObjectService;
+import com.cloudhandson.vpdbackoffice.service.VpdPolicyService;
 import java.sql.Connection;
 import javax.sql.DataSource;
 import org.slf4j.Logger;
@@ -17,15 +18,18 @@ public class DbPoolWarmup {
   private final DataSource dataSource;
   private final ProtectedObjectService protectedObjectService;
   private final PermissionService permissionService;
+  private final VpdPolicyService vpdPolicyService;
 
   public DbPoolWarmup(
       DataSource dataSource,
       ProtectedObjectService protectedObjectService,
-      PermissionService permissionService
+      PermissionService permissionService,
+      VpdPolicyService vpdPolicyService
   ) {
     this.dataSource = dataSource;
     this.protectedObjectService = protectedObjectService;
     this.permissionService = permissionService;
+    this.vpdPolicyService = vpdPolicyService;
   }
 
   @EventListener(ApplicationReadyEvent.class)
@@ -45,6 +49,8 @@ public class DbPoolWarmup {
     protectedObjectService.findDatabaseObjects();
     permissionService.findRoles();
     permissionService.findPermissionViews();
+    vpdPolicyService.findVpdTargets();
+    vpdPolicyService.formOptions();
     log.info("Backoffice DB catalog cache warmed up in {}ms", (System.nanoTime() - started) / 1_000_000);
   }
 }

src/main/java/com/cloudhandson/vpdbackoffice/domain/vpd/VpdTargetView.java

@@ -0,0 +1,24 @@
+package com.cloudhandson.vpdbackoffice.domain.vpd;
+
+public record VpdTargetView(
+    String owner,
+    String objectName,
+    String objectType,
+    String protectedYn,
+    String ordsPath,
+    int policyCount,
+    String policyNames
+) {
+
+  public String objectDisplayName() {
+    return owner + "." + objectName;
+  }
+
+  public boolean protectedObject() {
+    return "Y".equalsIgnoreCase(protectedYn);
+  }
+
+  public boolean vpdApplied() {
+    return policyCount > 0;
+  }
+}

src/main/java/com/cloudhandson/vpdbackoffice/mapper/VpdPolicyMapper.java

@@ -3,6 +3,7 @@ package com.cloudhandson.vpdbackoffice.mapper;
 import com.cloudhandson.vpdbackoffice.domain.vpd.VpdFunctionOption;
 import com.cloudhandson.vpdbackoffice.domain.vpd.VpdSchemaObjectOption;
 import com.cloudhandson.vpdbackoffice.domain.vpd.VpdPolicyView;
+import com.cloudhandson.vpdbackoffice.domain.vpd.VpdTargetView;
 import java.util.List;
 import org.apache.ibatis.annotations.Mapper;
 import org.apache.ibatis.annotations.Param;
@@ -12,6 +13,8 @@ public interface VpdPolicyMapper {
 
   List<VpdPolicyView> findPolicies();
 
+  List<VpdTargetView> findVpdTargets();
+
   List<String> findPolicyNameOptions();
 
   List<String> findSchemaOwnerOptions();

src/main/java/com/cloudhandson/vpdbackoffice/service/VpdPolicyService.java

@@ -8,6 +8,7 @@ import com.cloudhandson.vpdbackoffice.domain.vpd.VpdPolicyExplanation;
 import com.cloudhandson.vpdbackoffice.domain.vpd.VpdPolicyFormOptions;
 import com.cloudhandson.vpdbackoffice.domain.vpd.VpdPolicyView;
 import com.cloudhandson.vpdbackoffice.domain.vpd.VpdSchemaObjectOption;
+import com.cloudhandson.vpdbackoffice.domain.vpd.VpdTargetView;
 import com.cloudhandson.vpdbackoffice.mapper.VpdPolicyMapper;
 import java.util.List;
 import java.util.Locale;
@@ -21,10 +22,13 @@ import org.springframework.transaction.annotation.Transactional;
 public class VpdPolicyService {
 
   private static final Set<String> ALLOWED_STATEMENTS = Set.of("SELECT", "INSERT", "UPDATE", "DELETE", "INDEX");
+  private static final long CATALOG_CACHE_MILLIS = 60_000L;
 
   private final VpdPolicyMapper mapper;
   private final JdbcTemplate jdbcTemplate;
   private final OpenAiCompatibleClient aiClient;
+  private volatile CacheEntry<List<VpdTargetView>> vpdTargetsCache;
+  private volatile CacheEntry<VpdPolicyFormOptions> formOptionsCache;
 
   public VpdPolicyService(VpdPolicyMapper mapper, JdbcTemplate jdbcTemplate, OpenAiCompatibleClient aiClient) {
     this.mapper = mapper;
@@ -36,14 +40,30 @@ public class VpdPolicyService {
     return mapper.findPolicies();
   }
 
+  public List<VpdTargetView> findVpdTargets() {
+    CacheEntry<List<VpdTargetView>> cached = vpdTargetsCache;
+    if (cached != null && !cached.expired()) {
+      return cached.value();
+    }
+    List<VpdTargetView> targets = List.copyOf(mapper.findVpdTargets());
+    vpdTargetsCache = new CacheEntry<>(targets, System.currentTimeMillis() + CATALOG_CACHE_MILLIS);
+    return targets;
+  }
+
   public VpdPolicyFormOptions formOptions() {
-    return new VpdPolicyFormOptions(
+    CacheEntry<VpdPolicyFormOptions> cached = formOptionsCache;
+    if (cached != null && !cached.expired()) {
+      return cached.value();
+    }
+    VpdPolicyFormOptions options = new VpdPolicyFormOptions(
         mapper.findPolicyNameOptions(),
         mapper.findSchemaOwnerOptions(),
         mapper.findOwnerOptions(),
         mapper.findFunctionOptions(),
         List.of("SELECT", "INSERT", "UPDATE", "DELETE", "INDEX")
     );
+    formOptionsCache = new CacheEntry<>(options, System.currentTimeMillis() + CATALOG_CACHE_MILLIS);
+    return options;
   }
 
   public VpdPolicyFormOptions emptyFormOptions() {
@@ -72,6 +92,7 @@ public class VpdPolicyService {
       throw new AppException("Filter predicate는 필수입니다.");
     }
     createFilterFunction(functionName, filterPredicate);
+    clearCatalogCache();
   }
 
   @Transactional
@@ -93,6 +114,7 @@ public class VpdPolicyService {
         END;
         """, objectOwner, objectName, policyName);
     createPolicy(command);
+    clearCatalogCache();
   }
 
   public VpdBulkApplyResult bulkApplySchema(
@@ -178,6 +200,7 @@ public class VpdPolicyService {
         failed++;
       }
     }
+    clearCatalogCache();
     return new VpdBulkApplyResult(targets.size(), created, skipped, failed);
   }
 
@@ -246,6 +269,12 @@ public class VpdPolicyService {
         command.enabled(),
         command.updateCheck()
     );
+    clearCatalogCache();
+  }
+
+  public void clearCatalogCache() {
+    vpdTargetsCache = null;
+    formOptionsCache = null;
   }
 
   private void addPolicy(
@@ -496,6 +525,13 @@ public class VpdPolicyService {
     return value.replace("'", "''");
   }
 
+  private record CacheEntry<T>(T value, long expiresAt) {
+
+    boolean expired() {
+      return System.currentTimeMillis() > expiresAt;
+    }
+  }
+
   private record FunctionRef(String owner, String packageName, String functionName) {
   }
 

src/main/java/com/cloudhandson/vpdbackoffice/web/VpdPolicyController.java

@@ -39,12 +39,14 @@ public class VpdPolicyController {
   private void populatePolicyModel(Model model) {
     try {
       model.addAttribute("policies", vpdPolicyService.findPolicies());
+      model.addAttribute("vpdTargets", vpdPolicyService.findVpdTargets());
       model.addAttribute("objects", protectedObjectService.findEnabled());
       model.addAttribute("formOptions", vpdPolicyService.formOptions());
     } catch (DataAccessException exception) {
       RuntimeErrorMessage message = RuntimeErrorMessages.dataAccess(exception);
       model.addAttribute("runtimeError", message);
       model.addAttribute("policies", List.of());
+      model.addAttribute("vpdTargets", List.of());
       model.addAttribute("objects", List.of());
       model.addAttribute("formOptions", vpdPolicyService.emptyFormOptions());
     }