Refactor TableMetadataService to Use DistributedTransactionAdmin Instead of DistributedStorageAdmin

data-loader/cli/src/main/java/com/scalar/db/dataloader/cli/command/dataexport/ExportCommand.java

@@ -5,6 +5,7 @@
 import static java.nio.file.StandardOpenOption.APPEND;
 import static java.nio.file.StandardOpenOption.CREATE;
 
+import com.scalar.db.api.DistributedTransactionAdmin;
 import com.scalar.db.api.DistributedTransactionManager;
 import com.scalar.db.api.TableMetadata;
 import com.scalar.db.dataloader.cli.exception.DirectoryValidationException;
@@ -28,7 +29,6 @@
 import com.scalar.db.dataloader.core.tablemetadata.TableMetadataService;
 import com.scalar.db.dataloader.core.util.KeyUtils;
 import com.scalar.db.io.Key;
-import com.scalar.db.service.StorageFactory;
 import com.scalar.db.service.TransactionFactory;
 import java.io.BufferedWriter;
 import java.nio.charset.Charset;
@@ -69,17 +69,17 @@ public Integer call() throws Exception {
         maxThreads = Runtime.getRuntime().availableProcessors();
       }
 
-      StorageFactory storageFactory = StorageFactory.create(scalarDbPropertiesFilePath);
       TransactionFactory transactionFactory = TransactionFactory.create(scalarDbPropertiesFilePath);
-      TableMetadataService metaDataService =
-          new TableMetadataService(storageFactory.getStorageAdmin());
+      TableMetadata tableMetadata;
+      try (DistributedTransactionAdmin admin = transactionFactory.getTransactionAdmin()) {
+        TableMetadataService metaDataService = new TableMetadataService(admin);
+        tableMetadata = metaDataService.getTableMetadata(namespace, table);
+      }
       ScalarDbDao scalarDbDao = new ScalarDbDao();
 
       ExportManager exportManager =
           createExportManager(transactionFactory, scalarDbDao, outputFormat);
 
-      TableMetadata tableMetadata = metaDataService.getTableMetadata(namespace, table);
-
       Key partitionKey =
           partitionKeyValue != null ? getKeysFromList(partitionKeyValue, tableMetadata) : null;
       Key scanStartKey =

data-loader/cli/src/main/java/com/scalar/db/dataloader/cli/command/dataimport/ImportCommand.java

@@ -4,7 +4,7 @@
 import static com.scalar.db.dataloader.cli.util.CommandLineInputUtils.validatePositiveValue;
 
 import com.fasterxml.jackson.databind.ObjectMapper;
-import com.scalar.db.api.DistributedStorageAdmin;
+import com.scalar.db.api.DistributedTransactionAdmin;
 import com.scalar.db.api.TableMetadata;
 import com.scalar.db.dataloader.core.DataLoaderError;
 import com.scalar.db.dataloader.core.FileFormat;
@@ -112,9 +112,9 @@ private Map<String, TableMetadata> createTableMetadataMap(
       ControlFile controlFile, String namespace, String tableName)
       throws IOException, TableMetadataException {
     File configFile = new File(configFilePath);
-    StorageFactory storageFactory = StorageFactory.create(configFile);
-    try (DistributedStorageAdmin storageAdmin = storageFactory.getStorageAdmin()) {
-      TableMetadataService tableMetadataService = new TableMetadataService(storageAdmin);
+    TransactionFactory transactionFactory = TransactionFactory.create(configFile);
+    try (DistributedTransactionAdmin transactionAdmin = transactionFactory.getTransactionAdmin()) {
+      TableMetadataService tableMetadataService = new TableMetadataService(transactionAdmin);
       Map<String, TableMetadata> tableMetadataMap = new HashMap<>();
       if (controlFile != null) {
         for (ControlFileTable table : controlFile.getTables()) {

data-loader/core/src/main/java/com/scalar/db/dataloader/core/tablemetadata/TableMetadataService.java

@@ -1,6 +1,6 @@
 package com.scalar.db.dataloader.core.tablemetadata;
 
-import com.scalar.db.api.DistributedStorageAdmin;
+import com.scalar.db.api.DistributedTransactionAdmin;
 import com.scalar.db.api.TableMetadata;
 import com.scalar.db.dataloader.core.DataLoaderError;
 import com.scalar.db.dataloader.core.util.TableMetadataUtil;
@@ -18,7 +18,7 @@
 @RequiredArgsConstructor
 public class TableMetadataService {
 
-  private final DistributedStorageAdmin storageAdmin;
+  private final DistributedTransactionAdmin transactionAdmin;
 
   /**
    * Retrieves the {@link TableMetadata} for a specific namespace and table name.
@@ -32,7 +32,7 @@ public class TableMetadataService {
   public TableMetadata getTableMetadata(String namespace, String tableName)
       throws TableMetadataException {
     try {
-      TableMetadata tableMetadata = storageAdmin.getTableMetadata(namespace, tableName);
+      TableMetadata tableMetadata = transactionAdmin.getTableMetadata(namespace, tableName);
       if (tableMetadata == null) {
         throw new TableMetadataException(
             DataLoaderError.MISSING_NAMESPACE_OR_TABLE.buildMessage(namespace, tableName));

data-loader/core/src/test/java/com/scalar/db/dataloader/core/tablemetadata/TableMetadataServiceTest.java

@@ -2,7 +2,7 @@
 
 import static org.assertj.core.api.Assertions.assertThatThrownBy;
 
-import com.scalar.db.api.DistributedStorageAdmin;
+import com.scalar.db.api.DistributedTransactionAdmin;
 import com.scalar.db.api.TableMetadata;
 import com.scalar.db.dataloader.core.DataLoaderError;
 import com.scalar.db.dataloader.core.UnitTestUtils;
@@ -17,15 +17,15 @@
 
 class TableMetadataServiceTest {
 
-  DistributedStorageAdmin storageAdmin;
+  DistributedTransactionAdmin transactionAdmin;
   TableMetadataService tableMetadataService;
 
   @BeforeEach
   void setup() throws ExecutionException {
-    storageAdmin = Mockito.mock(DistributedStorageAdmin.class);
-    Mockito.when(storageAdmin.getTableMetadata("namespace", "table"))
+    transactionAdmin = Mockito.mock(DistributedTransactionAdmin.class);
+    Mockito.when(transactionAdmin.getTableMetadata("namespace", "table"))
         .thenReturn(UnitTestUtils.createTestTableMetadata());
-    tableMetadataService = new TableMetadataService(storageAdmin);
+    tableMetadataService = new TableMetadataService(transactionAdmin);
   }
 
   @Test