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The following commit(s) were added to refs/heads/master by this push:
     new 543b190f883 Rename DatabaseMetaDataPersistService (#18804)
543b190f883 is described below

commit 543b190f8835701bb89b95346973af49a2cbab9a
Author: Liang Zhang <[email protected]>
AuthorDate: Sun Jul 3 14:53:04 2022 +0800

    Rename DatabaseMetaDataPersistService (#18804)
    
    * Rename DatabaseMetaDataPersistService
    
    * Fix typo
---
 .../shardingsphere/mode/manager/ContextManager.java    | 18 +++++++++---------
 .../mode/metadata/persist/MetaDataPersistService.java  |  8 ++++----
 ...ervice.java => DatabaseMetaDataPersistService.java} |  4 ++--
 .../mode/manager/ContextManagerTest.java               |  8 ++++----
 ...st.java => DatabaseMetaDataPersistServiceTest.java} | 18 +++++++++---------
 .../manager/cluster/ClusterContextManagerBuilder.java  |  4 ++--
 .../subscriber/SchemaMetaDataRegistrySubscriber.java   |  6 +++---
 .../SchemaMetaDataRegistrySubscriberTest.java          |  4 ++--
 .../standalone/StandaloneContextManagerBuilder.java    |  2 +-
 9 files changed, 36 insertions(+), 36 deletions(-)

diff --git 
a/shardingsphere-mode/shardingsphere-mode-core/src/main/java/org/apache/shardingsphere/mode/manager/ContextManager.java
 
b/shardingsphere-mode/shardingsphere-mode-core/src/main/java/org/apache/shardingsphere/mode/manager/ContextManager.java
index 25212e4f38a..9f9e427e34a 100644
--- 
a/shardingsphere-mode/shardingsphere-mode-core/src/main/java/org/apache/shardingsphere/mode/manager/ContextManager.java
+++ 
b/shardingsphere-mode/shardingsphere-mode-core/src/main/java/org/apache/shardingsphere/mode/manager/ContextManager.java
@@ -113,7 +113,7 @@ public final class ContextManager implements AutoCloseable {
         DatabaseType protocolType = 
DatabaseTypeEngine.getProtocolType(Collections.emptyMap(), 
metaDataContexts.getMetaData().getProps());
         metaDataContexts.getMetaData().addDatabase(databaseName, protocolType);
         metaDataContexts.getOptimizerContext().addDatabase(databaseName, 
protocolType);
-        metaDataContexts.getPersistService().ifPresent(optional -> 
optional.getSchemaMetaDataService().persistDatabase(databaseName));
+        metaDataContexts.getPersistService().ifPresent(optional -> 
optional.getDatabaseMetaDataService().persistDatabase(databaseName));
     }
     
     /**
@@ -127,7 +127,7 @@ public final class ContextManager implements AutoCloseable {
         }
         metaDataContexts.getMetaData().dropDatabase(databaseName);
         metaDataContexts.getOptimizerContext().dropDatabase(databaseName);
-        metaDataContexts.getPersistService().ifPresent(optional -> 
optional.getSchemaMetaDataService().deleteDatabase(databaseName));
+        metaDataContexts.getPersistService().ifPresent(optional -> 
optional.getDatabaseMetaDataService().deleteDatabase(databaseName));
     }
     
     /**
@@ -149,12 +149,12 @@ public final class ContextManager implements 
AutoCloseable {
      *
      * @param databaseName database name
      * @param schemaName schema name
-     * @param beBoChangedTable to be changed table
+     * @param toBeChangedTable to be changed table
      * @param toBeDeletedTableName to be deleted table name
      */
-    public void alterSchema(final String databaseName, final String 
schemaName, final ShardingSphereTable beBoChangedTable, final String 
toBeDeletedTableName) {
+    public void alterSchema(final String databaseName, final String 
schemaName, final ShardingSphereTable toBeChangedTable, final String 
toBeDeletedTableName) {
         if 
(metaDataContexts.getMetaData().getDatabases().containsKey(databaseName)) {
-            Optional.ofNullable(beBoChangedTable).ifPresent(optional -> 
alterTable(databaseName, schemaName, optional));
+            Optional.ofNullable(toBeChangedTable).ifPresent(optional -> 
alterTable(databaseName, schemaName, optional));
             Optional.ofNullable(toBeDeletedTableName).ifPresent(optional -> 
dropTable(databaseName, schemaName, optional));
         }
     }
@@ -398,7 +398,7 @@ public final class ContextManager implements AutoCloseable {
         }
         originalSchemas.forEach((key, value) -> {
             if (null == actualSchemas.get(key)) {
-                metaDataContexts.getPersistService().ifPresent(optional -> 
optional.getSchemaMetaDataService().deleteSchema(databaseName, key));
+                metaDataContexts.getPersistService().ifPresent(optional -> 
optional.getDatabaseMetaDataService().deleteSchema(databaseName, key));
             }
         });
     }
@@ -407,7 +407,7 @@ public final class ContextManager implements AutoCloseable {
         Map<String, ShardingSphereSchema> schemaMap = 
GenericSchemaBuilder.build(materials);
         if (schemaMap.containsKey(schemaName)) {
             
metaDataContexts.getMetaData().getDatabases().get(databaseName).getSchemas().put(schemaName,
 schemaMap.get(schemaName));
-            metaDataContexts.getPersistService().ifPresent(optional -> 
optional.getSchemaMetaDataService()
+            metaDataContexts.getPersistService().ifPresent(optional -> 
optional.getDatabaseMetaDataService()
                     .persistMetaData(databaseName, schemaName, 
metaDataContexts.getMetaData().getDatabases().get(databaseName).getSchemas().get(schemaName)));
         }
     }
@@ -416,7 +416,7 @@ public final class ContextManager implements AutoCloseable {
         ShardingSphereSchema schema = 
GenericSchemaBuilder.build(Collections.singletonList(tableName), 
materials).getOrDefault(schemaName, new ShardingSphereSchema());
         if (schema.containsTable(tableName)) {
             
metaDataContexts.getMetaData().getDatabases().get(databaseName).getSchemas().get(schemaName).put(tableName,
 schema.get(tableName));
-            metaDataContexts.getPersistService().ifPresent(optional -> 
optional.getSchemaMetaDataService()
+            metaDataContexts.getPersistService().ifPresent(optional -> 
optional.getDatabaseMetaDataService()
                     .persistMetaData(databaseName, schemaName, 
metaDataContexts.getMetaData().getDatabases().get(databaseName).getSchemas().get(schemaName)));
         }
     }
@@ -580,7 +580,7 @@ public final class ContextManager implements AutoCloseable {
     
     private void persistMetaData(final MetaDataContexts metaDataContexts) {
         metaDataContexts.getMetaData().getDatabases().forEach((databaseName, 
schemas) -> schemas.getSchemas()
-                .forEach((schemaName, tables) -> 
metaDataContexts.getPersistService().ifPresent(optional -> 
optional.getSchemaMetaDataService().persistMetaData(databaseName, schemaName, 
tables))));
+                .forEach((schemaName, tables) -> 
metaDataContexts.getPersistService().ifPresent(optional -> 
optional.getDatabaseMetaDataService().persistMetaData(databaseName, schemaName, 
tables))));
     }
     
     @Override
diff --git 
a/shardingsphere-mode/shardingsphere-mode-core/src/main/java/org/apache/shardingsphere/mode/metadata/persist/MetaDataPersistService.java
 
b/shardingsphere-mode/shardingsphere-mode-core/src/main/java/org/apache/shardingsphere/mode/metadata/persist/MetaDataPersistService.java
index b3b45910346..ce1ed1a22a1 100644
--- 
a/shardingsphere-mode/shardingsphere-mode-core/src/main/java/org/apache/shardingsphere/mode/metadata/persist/MetaDataPersistService.java
+++ 
b/shardingsphere-mode/shardingsphere-mode-core/src/main/java/org/apache/shardingsphere/mode/metadata/persist/MetaDataPersistService.java
@@ -26,7 +26,7 @@ import 
org.apache.shardingsphere.infra.datasource.pool.destroyer.DataSourcePoolD
 import org.apache.shardingsphere.infra.datasource.props.DataSourceProperties;
 import 
org.apache.shardingsphere.infra.datasource.props.DataSourcePropertiesCreator;
 import 
org.apache.shardingsphere.mode.metadata.persist.service.DatabaseVersionPersistService;
-import 
org.apache.shardingsphere.mode.metadata.persist.service.SchemaMetaDataPersistService;
+import 
org.apache.shardingsphere.mode.metadata.persist.service.DatabaseMetaDataPersistService;
 import 
org.apache.shardingsphere.mode.metadata.persist.service.impl.DataSourcePersistService;
 import 
org.apache.shardingsphere.mode.metadata.persist.service.impl.DatabaseRulePersistService;
 import 
org.apache.shardingsphere.mode.metadata.persist.service.impl.GlobalRulePersistService;
@@ -52,7 +52,7 @@ public final class MetaDataPersistService {
     
     private final DataSourcePersistService dataSourceService;
     
-    private final SchemaMetaDataPersistService schemaMetaDataService;
+    private final DatabaseMetaDataPersistService databaseMetaDataService;
     
     private final DatabaseRulePersistService databaseRulePersistService;
     
@@ -65,7 +65,7 @@ public final class MetaDataPersistService {
     public MetaDataPersistService(final PersistRepository repository) {
         this.repository = repository;
         dataSourceService = new DataSourcePersistService(repository);
-        schemaMetaDataService = new SchemaMetaDataPersistService(repository);
+        databaseMetaDataService = new 
DatabaseMetaDataPersistService(repository);
         databaseRulePersistService = new 
DatabaseRulePersistService(repository);
         globalRuleService = new GlobalRulePersistService(repository);
         propsService = new PropertiesPersistService(repository);
@@ -89,7 +89,7 @@ public final class MetaDataPersistService {
             Map<String, DataSourceProperties> dataSourcePropertiesMap = 
getDataSourcePropertiesMap(entry.getValue().getDataSources());
             Collection<RuleConfiguration> ruleConfigurations = 
entry.getValue().getRuleConfigurations();
             if (dataSourcePropertiesMap.isEmpty() && 
ruleConfigurations.isEmpty()) {
-                schemaMetaDataService.persistDatabase(databaseName);
+                databaseMetaDataService.persistDatabase(databaseName);
             } else {
                 dataSourceService.persist(databaseName, 
getDataSourcePropertiesMap(entry.getValue().getDataSources()), isOverwrite);
                 databaseRulePersistService.persist(databaseName, 
entry.getValue().getRuleConfigurations(), isOverwrite);
diff --git 
a/shardingsphere-mode/shardingsphere-mode-core/src/main/java/org/apache/shardingsphere/mode/metadata/persist/service/SchemaMetaDataPersistService.java
 
b/shardingsphere-mode/shardingsphere-mode-core/src/main/java/org/apache/shardingsphere/mode/metadata/persist/service/DatabaseMetaDataPersistService.java
similarity index 98%
rename from 
shardingsphere-mode/shardingsphere-mode-core/src/main/java/org/apache/shardingsphere/mode/metadata/persist/service/SchemaMetaDataPersistService.java
rename to 
shardingsphere-mode/shardingsphere-mode-core/src/main/java/org/apache/shardingsphere/mode/metadata/persist/service/DatabaseMetaDataPersistService.java
index f3e636341da..b9cbe43988f 100644
--- 
a/shardingsphere-mode/shardingsphere-mode-core/src/main/java/org/apache/shardingsphere/mode/metadata/persist/service/SchemaMetaDataPersistService.java
+++ 
b/shardingsphere-mode/shardingsphere-mode-core/src/main/java/org/apache/shardingsphere/mode/metadata/persist/service/DatabaseMetaDataPersistService.java
@@ -33,10 +33,10 @@ import java.util.Map.Entry;
 import java.util.Optional;
 
 /**
- * Schema meta data registry service.
+ * Database meta data registry service.
  */
 @RequiredArgsConstructor
-public final class SchemaMetaDataPersistService {
+public final class DatabaseMetaDataPersistService {
     
     private final PersistRepository repository;
     
diff --git 
a/shardingsphere-mode/shardingsphere-mode-core/src/test/java/org/apache/shardingsphere/mode/manager/ContextManagerTest.java
 
b/shardingsphere-mode/shardingsphere-mode-core/src/test/java/org/apache/shardingsphere/mode/manager/ContextManagerTest.java
index 48f5cdfa625..9766ea86314 100644
--- 
a/shardingsphere-mode/shardingsphere-mode-core/src/test/java/org/apache/shardingsphere/mode/manager/ContextManagerTest.java
+++ 
b/shardingsphere-mode/shardingsphere-mode-core/src/test/java/org/apache/shardingsphere/mode/manager/ContextManagerTest.java
@@ -31,7 +31,7 @@ import 
org.apache.shardingsphere.infra.metadata.database.rule.ShardingSphereRule
 import 
org.apache.shardingsphere.infra.metadata.database.schema.decorator.model.ShardingSphereSchema;
 import org.apache.shardingsphere.mode.metadata.MetaDataContexts;
 import org.apache.shardingsphere.mode.metadata.persist.MetaDataPersistService;
-import 
org.apache.shardingsphere.mode.metadata.persist.service.SchemaMetaDataPersistService;
+import 
org.apache.shardingsphere.mode.metadata.persist.service.DatabaseMetaDataPersistService;
 import org.apache.shardingsphere.test.mock.MockedDataSource;
 import 
org.apache.shardingsphere.transaction.config.TransactionRuleConfiguration;
 import org.junit.Before;
@@ -253,12 +253,12 @@ public final class ContextManagerTest {
     @Test
     public void assertReloadMetaData() {
         
when(metaDataContexts.getMetaData().getDatabases().get("foo_db").getResource().getDataSources()).thenReturn(Collections.singletonMap("foo_ds",
 new MockedDataSource()));
-        SchemaMetaDataPersistService schemaMetaDataPersistService = 
mock(SchemaMetaDataPersistService.class, RETURNS_DEEP_STUBS);
+        DatabaseMetaDataPersistService databaseMetaDataPersistService = 
mock(DatabaseMetaDataPersistService.class, RETURNS_DEEP_STUBS);
         MetaDataPersistService metaDataPersistService = 
mock(MetaDataPersistService.class);
-        
when(metaDataPersistService.getSchemaMetaDataService()).thenReturn(schemaMetaDataPersistService);
+        
when(metaDataPersistService.getDatabaseMetaDataService()).thenReturn(databaseMetaDataPersistService);
         
when(metaDataContexts.getPersistService()).thenReturn(Optional.of(metaDataPersistService));
         contextManager.reloadMetaData("foo_db");
-        verify(schemaMetaDataPersistService, 
times(1)).persistMetaData(eq("foo_db"), eq("foo_db"), 
any(ShardingSphereSchema.class));
+        verify(databaseMetaDataPersistService, 
times(1)).persistMetaData(eq("foo_db"), eq("foo_db"), 
any(ShardingSphereSchema.class));
         contextManager.reloadMetaData("foo_db", "foo_schema", "foo_table");
         
assertNotNull(contextManager.getMetaDataContexts().getMetaData().getDatabases().get("foo_db").getSchemas().get("foo_db"));
         
assertTrue(contextManager.getMetaDataContexts().getMetaData().getDatabases().get("foo_db").getResource().getDataSources().containsKey("foo_ds"));
diff --git 
a/shardingsphere-mode/shardingsphere-mode-core/src/test/java/org/apache/shardingsphere/mode/metadata/persist/service/SchemaMetaDataPersistServiceTest.java
 
b/shardingsphere-mode/shardingsphere-mode-core/src/test/java/org/apache/shardingsphere/mode/metadata/persist/service/DatabaseMetaDataPersistServiceTest.java
similarity index 84%
rename from 
shardingsphere-mode/shardingsphere-mode-core/src/test/java/org/apache/shardingsphere/mode/metadata/persist/service/SchemaMetaDataPersistServiceTest.java
rename to 
shardingsphere-mode/shardingsphere-mode-core/src/test/java/org/apache/shardingsphere/mode/metadata/persist/service/DatabaseMetaDataPersistServiceTest.java
index 5999d810ba0..eefbcadc884 100644
--- 
a/shardingsphere-mode/shardingsphere-mode-core/src/test/java/org/apache/shardingsphere/mode/metadata/persist/service/SchemaMetaDataPersistServiceTest.java
+++ 
b/shardingsphere-mode/shardingsphere-mode-core/src/test/java/org/apache/shardingsphere/mode/metadata/persist/service/DatabaseMetaDataPersistServiceTest.java
@@ -48,7 +48,7 @@ import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
 @RunWith(MockitoJUnitRunner.class)
-public final class SchemaMetaDataPersistServiceTest {
+public final class DatabaseMetaDataPersistServiceTest {
     
     @Mock
     private PersistRepository repository;
@@ -58,30 +58,30 @@ public final class SchemaMetaDataPersistServiceTest {
         ShardingSphereTable table = new 
TableMetaDataYamlSwapper().swapToObject(YamlEngine.unmarshal(readYAML(), 
YamlTableMetaData.class));
         ShardingSphereSchema schema = new ShardingSphereSchema();
         schema.getTables().put("t_order", table);
-        new SchemaMetaDataPersistService(repository).persistMetaData("foo_db", 
"foo_schema", schema);
+        new 
DatabaseMetaDataPersistService(repository).persistMetaData("foo_db", 
"foo_schema", schema);
         
verify(repository).persist(eq("/metadata/foo_db/schemas/foo_schema/tables/t_order"),
 anyString());
     }
     
     @Test
     public void assertDeleteDatabase() {
-        new SchemaMetaDataPersistService(repository).deleteDatabase("foo_db");
+        new 
DatabaseMetaDataPersistService(repository).deleteDatabase("foo_db");
         verify(repository).delete("/metadata/foo_db");
     }
     
     @Test
     public void assertPersistDatabase() {
-        new SchemaMetaDataPersistService(repository).persistDatabase("foo_db");
+        new 
DatabaseMetaDataPersistService(repository).persistDatabase("foo_db");
         verify(repository).persist("/metadata/foo_db", "");
     }
     
     @Test
     public void assertLoad() {
-        SchemaMetaDataPersistService schemaMetaDataPersistService = new 
SchemaMetaDataPersistService(repository);
+        DatabaseMetaDataPersistService databaseMetaDataPersistService = new 
DatabaseMetaDataPersistService(repository);
         
when(repository.getChildrenKeys("/metadata/foo_db/schemas/foo_schema/tables")).thenReturn(Collections.singletonList("t_order"));
         
when(repository.get("/metadata/foo_db/schemas/foo_schema/tables/t_order")).thenReturn(readYAML());
-        Optional<ShardingSphereSchema> schema = 
schemaMetaDataPersistService.load("foo_db", "foo_schema");
+        Optional<ShardingSphereSchema> schema = 
databaseMetaDataPersistService.load("foo_db", "foo_schema");
         assertTrue(schema.isPresent());
-        Optional<ShardingSphereSchema> empty = 
schemaMetaDataPersistService.load("test", "test");
+        Optional<ShardingSphereSchema> empty = 
databaseMetaDataPersistService.load("test", "test");
         assertThat(empty, is(Optional.empty()));
         assertThat(schema.get().getAllTableNames(), 
is(Collections.singleton("t_order")));
         assertThat(schema.get().get("t_order").getIndexes().keySet(), 
is(Collections.singleton("primary")));
@@ -92,7 +92,7 @@ public final class SchemaMetaDataPersistServiceTest {
     @Test
     public void assertLoadAllDatabaseNames() {
         
when(repository.getChildrenKeys("/metadata")).thenReturn(Collections.singletonList("foo_db"));
-        Collection<String> actual = new 
SchemaMetaDataPersistService(repository).loadAllDatabaseNames();
+        Collection<String> actual = new 
DatabaseMetaDataPersistService(repository).loadAllDatabaseNames();
         assertThat(actual.size(), is(1));
         assertThat(actual, hasItems("foo_db"));
     }
@@ -100,7 +100,7 @@ public final class SchemaMetaDataPersistServiceTest {
     @Test
     public void assertPersistTableMetaData() {
         ShardingSphereTable table = new ShardingSphereTable("FOO_TABLE", 
Collections.emptyList(), Collections.emptyList(), Collections.emptyList());
-        new SchemaMetaDataPersistService(repository).persistTable("foo_db", 
"foo_schema", table);
+        new DatabaseMetaDataPersistService(repository).persistTable("foo_db", 
"foo_schema", table);
         
verify(repository).persist(eq("/metadata/foo_db/schemas/foo_schema/tables/foo_table"),
 anyString());
     }
     
diff --git 
a/shardingsphere-mode/shardingsphere-mode-type/shardingsphere-cluster-mode/shardingsphere-cluster-mode-core/src/main/java/org/apache/shardingsphere/mode/manager/cluster/ClusterContextManagerBuilder.java
 
b/shardingsphere-mode/shardingsphere-mode-type/shardingsphere-cluster-mode/shardingsphere-cluster-mode-core/src/main/java/org/apache/shardingsphere/mode/manager/cluster/ClusterContextManagerBuilder.java
index 33cac7d67e2..c928dc77e7a 100644
--- 
a/shardingsphere-mode/shardingsphere-mode-type/shardingsphere-cluster-mode/shardingsphere-cluster-mode-core/src/main/java/org/apache/shardingsphere/mode/manager/cluster/ClusterContextManagerBuilder.java
+++ 
b/shardingsphere-mode/shardingsphere-mode-type/shardingsphere-cluster-mode/shardingsphere-cluster-mode-core/src/main/java/org/apache/shardingsphere/mode/manager/cluster/ClusterContextManagerBuilder.java
@@ -84,7 +84,7 @@ public final class ClusterContextManagerBuilder implements 
ContextManagerBuilder
                                                    final 
ContextManagerBuilderParameter parameter, final InstanceContext 
instanceContext) throws SQLException {
         Collection<String> databaseNames = parameter.getInstanceMetaData() 
instanceof JDBCInstanceMetaData
                 ? parameter.getDatabaseConfigs().keySet()
-                : 
persistService.getSchemaMetaDataService().loadAllDatabaseNames();
+                : 
persistService.getDatabaseMetaDataService().loadAllDatabaseNames();
         Collection<RuleConfiguration> globalRuleConfigs = 
persistService.getGlobalRuleService().load();
         ConfigurationProperties props = new 
ConfigurationProperties(persistService.getPropsService().load());
         Map<String, ShardingSphereDatabase> databases = 
ShardingSphereDatabasesFactory.create(buildDatabaseConfigMap(databaseNames, 
persistService, parameter), props, instanceContext);
@@ -107,7 +107,7 @@ public final class ClusterContextManagerBuilder implements 
ContextManagerBuilder
     
     private void persistMetaData(final MetaDataContexts metaDataContexts) {
         metaDataContexts.getMetaData().getDatabases().forEach((databaseName, 
schemas) -> schemas.getSchemas()
-                .forEach((schemaName, tables) -> 
metaDataContexts.getPersistService().ifPresent(optional -> 
optional.getSchemaMetaDataService().persistMetaData(databaseName, schemaName, 
tables))));
+                .forEach((schemaName, tables) -> 
metaDataContexts.getPersistService().ifPresent(optional -> 
optional.getDatabaseMetaDataService().persistMetaData(databaseName, schemaName, 
tables))));
     }
     
     private InstanceContext buildInstanceContext(final RegistryCenter 
registryCenter, final InstanceMetaData instanceMetaData, final 
ModeConfiguration modeConfig) {
diff --git 
a/shardingsphere-mode/shardingsphere-mode-type/shardingsphere-cluster-mode/shardingsphere-cluster-mode-core/src/main/java/org/apache/shardingsphere/mode/manager/cluster/coordinator/registry/metadata/subscriber/SchemaMetaDataRegistrySubscriber.java
 
b/shardingsphere-mode/shardingsphere-mode-type/shardingsphere-cluster-mode/shardingsphere-cluster-mode-core/src/main/java/org/apache/shardingsphere/mode/manager/cluster/coordinator/registry/metadata/subscriber/SchemaMetaDataRegistrySu
 [...]
index bc6a9326eb8..45633fa776f 100644
--- 
a/shardingsphere-mode/shardingsphere-mode-type/shardingsphere-cluster-mode/shardingsphere-cluster-mode-core/src/main/java/org/apache/shardingsphere/mode/manager/cluster/coordinator/registry/metadata/subscriber/SchemaMetaDataRegistrySubscriber.java
+++ 
b/shardingsphere-mode/shardingsphere-mode-type/shardingsphere-cluster-mode/shardingsphere-cluster-mode-core/src/main/java/org/apache/shardingsphere/mode/manager/cluster/coordinator/registry/metadata/subscriber/SchemaMetaDataRegistrySubscriber.java
@@ -24,7 +24,7 @@ import 
org.apache.shardingsphere.infra.metadata.database.schema.event.AlterSchem
 import 
org.apache.shardingsphere.infra.metadata.database.schema.event.DropIndexEvent;
 import 
org.apache.shardingsphere.infra.metadata.database.schema.event.DropSchemaEvent;
 import 
org.apache.shardingsphere.infra.metadata.database.schema.event.SchemaAlteredEvent;
-import 
org.apache.shardingsphere.mode.metadata.persist.service.SchemaMetaDataPersistService;
+import 
org.apache.shardingsphere.mode.metadata.persist.service.DatabaseMetaDataPersistService;
 import 
org.apache.shardingsphere.mode.repository.cluster.ClusterPersistRepository;
 
 /**
@@ -32,10 +32,10 @@ import 
org.apache.shardingsphere.mode.repository.cluster.ClusterPersistRepositor
  */
 public final class SchemaMetaDataRegistrySubscriber {
     
-    private final SchemaMetaDataPersistService persistService;
+    private final DatabaseMetaDataPersistService persistService;
     
     public SchemaMetaDataRegistrySubscriber(final ClusterPersistRepository 
repository) {
-        persistService = new SchemaMetaDataPersistService(repository);
+        persistService = new DatabaseMetaDataPersistService(repository);
         ShardingSphereEventBus.getInstance().register(this);
     }
     
diff --git 
a/shardingsphere-mode/shardingsphere-mode-type/shardingsphere-cluster-mode/shardingsphere-cluster-mode-core/src/test/java/org/apache/shardingsphere/mode/manager/cluster/coordinator/registry/metadata/subscriber/SchemaMetaDataRegistrySubscriberTest.java
 
b/shardingsphere-mode/shardingsphere-mode-type/shardingsphere-cluster-mode/shardingsphere-cluster-mode-core/src/test/java/org/apache/shardingsphere/mode/manager/cluster/coordinator/registry/metadata/subscriber/SchemaMetaDataRegist
 [...]
index 31ce040e1e3..78233ad96e0 100644
--- 
a/shardingsphere-mode/shardingsphere-mode-type/shardingsphere-cluster-mode/shardingsphere-cluster-mode-core/src/test/java/org/apache/shardingsphere/mode/manager/cluster/coordinator/registry/metadata/subscriber/SchemaMetaDataRegistrySubscriberTest.java
+++ 
b/shardingsphere-mode/shardingsphere-mode-type/shardingsphere-cluster-mode/shardingsphere-cluster-mode-core/src/test/java/org/apache/shardingsphere/mode/manager/cluster/coordinator/registry/metadata/subscriber/SchemaMetaDataRegistrySubscriberTest.java
@@ -23,7 +23,7 @@ import 
org.apache.shardingsphere.infra.metadata.database.schema.event.AddSchemaE
 import 
org.apache.shardingsphere.infra.metadata.database.schema.event.AlterSchemaEvent;
 import 
org.apache.shardingsphere.infra.metadata.database.schema.event.DropSchemaEvent;
 import 
org.apache.shardingsphere.infra.metadata.database.schema.event.SchemaAlteredEvent;
-import 
org.apache.shardingsphere.mode.metadata.persist.service.SchemaMetaDataPersistService;
+import 
org.apache.shardingsphere.mode.metadata.persist.service.DatabaseMetaDataPersistService;
 import 
org.apache.shardingsphere.mode.repository.cluster.ClusterPersistRepository;
 import org.junit.Before;
 import org.junit.Test;
@@ -41,7 +41,7 @@ import static org.mockito.Mockito.verify;
 public final class SchemaMetaDataRegistrySubscriberTest {
     
     @Mock
-    private SchemaMetaDataPersistService persistService;
+    private DatabaseMetaDataPersistService persistService;
     
     private SchemaMetaDataRegistrySubscriber schemaMetaDataRegistrySubscriber;
     
diff --git 
a/shardingsphere-mode/shardingsphere-mode-type/shardingsphere-standalone-mode/shardingsphere-standalone-mode-core/src/main/java/org/apache/shardingsphere/mode/manager/standalone/StandaloneContextManagerBuilder.java
 
b/shardingsphere-mode/shardingsphere-mode-type/shardingsphere-standalone-mode/shardingsphere-standalone-mode-core/src/main/java/org/apache/shardingsphere/mode/manager/standalone/StandaloneContextManagerBuilder.java
index 8d97eda0898..73ef1eb28bb 100644
--- 
a/shardingsphere-mode/shardingsphere-mode-type/shardingsphere-standalone-mode/shardingsphere-standalone-mode-core/src/main/java/org/apache/shardingsphere/mode/manager/standalone/StandaloneContextManagerBuilder.java
+++ 
b/shardingsphere-mode/shardingsphere-mode-type/shardingsphere-standalone-mode/shardingsphere-standalone-mode-core/src/main/java/org/apache/shardingsphere/mode/manager/standalone/StandaloneContextManagerBuilder.java
@@ -72,7 +72,7 @@ public final class StandaloneContextManagerBuilder implements 
ContextManagerBuil
                                                    final 
ContextManagerBuilderParameter parameter, final InstanceContext 
instanceContext) throws SQLException {
         Collection<String> databaseNames = parameter.getInstanceMetaData() 
instanceof JDBCInstanceMetaData
                 ? parameter.getDatabaseConfigs().keySet()
-                : 
persistService.getSchemaMetaDataService().loadAllDatabaseNames();
+                : 
persistService.getDatabaseMetaDataService().loadAllDatabaseNames();
         Map<String, DatabaseConfiguration> databaseConfigMap = 
buildDatabaseConfigMap(databaseNames, persistService, parameter);
         Collection<RuleConfiguration> globalRuleConfigs = 
persistService.getGlobalRuleService().load();
         ConfigurationProperties props = new 
ConfigurationProperties(persistService.getPropsService().load());

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