Refactor RegistryCenter

mode/type/cluster/core/src/main/java/org/apache/shardingsphere/mode/manager/cluster/ClusterContextManagerBuilder.java

@@ -31,6 +31,7 @@
 import org.apache.shardingsphere.mode.manager.ContextManagerBuilder;
 import org.apache.shardingsphere.mode.manager.ContextManagerBuilderParameter;
 import org.apache.shardingsphere.mode.manager.cluster.coordinator.RegistryCenter;
+import org.apache.shardingsphere.mode.manager.cluster.coordinator.lock.GlobalLockPersistService;
 import org.apache.shardingsphere.mode.manager.cluster.coordinator.registry.metadata.subscriber.ShardingSphereSchemaDataRegistrySubscriber;
 import org.apache.shardingsphere.mode.manager.cluster.coordinator.registry.process.subscriber.ClusterProcessSubscriber;
 import org.apache.shardingsphere.mode.manager.cluster.coordinator.registry.status.cluster.service.ClusterStatusService;
@@ -44,9 +45,13 @@
 import org.apache.shardingsphere.mode.metadata.MetaDataContextsFactory;
 import org.apache.shardingsphere.mode.repository.cluster.ClusterPersistRepository;
 import org.apache.shardingsphere.mode.repository.cluster.ClusterPersistRepositoryConfiguration;
+import org.apache.shardingsphere.mode.repository.cluster.lock.holder.DistributedLockHolder;
+import org.apache.shardingsphere.mode.repository.cluster.lock.impl.props.DefaultLockTypedProperties;
+import org.apache.shardingsphere.mode.storage.service.QualifiedDataSourceStatusService;
 
 import java.sql.SQLException;
 import java.util.Optional;
+import java.util.Properties;
 
 /**
  * Cluster context manager builder.
@@ -62,7 +67,7 @@ public ContextManager build(final ContextManagerBuilderParameter param, final Ev
             ((InstanceContextAware) registryCenter.getRepository()).setInstanceContext(instanceContext);
         }
         MetaDataPersistService metaDataPersistService = new MetaDataPersistService(repository);
-        MetaDataContexts metaDataContexts = MetaDataContextsFactory.create(metaDataPersistService, param, instanceContext, registryCenter.getQualifiedDataSourceStatusService().loadStatus());
+        MetaDataContexts metaDataContexts = MetaDataContextsFactory.create(metaDataPersistService, param, instanceContext, new QualifiedDataSourceStatusService(repository).loadStatus());
         ContextManager result = new ContextManager(metaDataContexts, instanceContext);
         setContextManagerAware(result);
         createSubscribers(eventBusContext, repository);
@@ -79,8 +84,13 @@ private ClusterPersistRepository getClusterPersistRepository(final ClusterPersis
     }
 
     private InstanceContext buildInstanceContext(final RegistryCenter registryCenter, final ContextManagerBuilderParameter param, final EventBusContext eventBusContext) {
-        return new InstanceContext(new ComputeNodeInstance(param.getInstanceMetaData()), new ClusterWorkerIdGenerator(registryCenter, param.getInstanceMetaData()),
-                param.getModeConfiguration(), new ClusterModeContextManager(), new GlobalLockContext(registryCenter.getGlobalLockPersistService()), eventBusContext);
+        return new InstanceContext(new ComputeNodeInstance(param.getInstanceMetaData()), new ClusterWorkerIdGenerator(registryCenter, param.getInstanceMetaData()), param.getModeConfiguration(),
+                new ClusterModeContextManager(), new GlobalLockContext(new GlobalLockPersistService(initDistributedLockHolder(registryCenter.getRepository()))), eventBusContext);
+    }
+
+    private DistributedLockHolder initDistributedLockHolder(final ClusterPersistRepository repository) {
+        DistributedLockHolder distributedLockHolder = repository.getDistributedLockHolder();
+        return null == distributedLockHolder ? new DistributedLockHolder("default", repository, new DefaultLockTypedProperties(new Properties())) : distributedLockHolder;
     }
 
     private void setContextManagerAware(final ContextManager contextManager) {

mode/type/cluster/core/src/main/java/org/apache/shardingsphere/mode/manager/cluster/coordinator/RegistryCenter.java

@@ -23,16 +23,11 @@
 import org.apache.shardingsphere.infra.instance.metadata.InstanceMetaData;
 import org.apache.shardingsphere.infra.instance.metadata.jdbc.JDBCInstanceMetaData;
 import org.apache.shardingsphere.infra.util.eventbus.EventBusContext;
-import org.apache.shardingsphere.mode.manager.cluster.coordinator.lock.GlobalLockPersistService;
 import org.apache.shardingsphere.mode.manager.cluster.coordinator.registry.GovernanceWatcherFactory;
 import org.apache.shardingsphere.mode.manager.cluster.coordinator.registry.status.compute.service.ComputeNodeStatusService;
 import org.apache.shardingsphere.mode.repository.cluster.ClusterPersistRepository;
-import org.apache.shardingsphere.mode.repository.cluster.lock.holder.DistributedLockHolder;
-import org.apache.shardingsphere.mode.repository.cluster.lock.impl.props.DefaultLockTypedProperties;
-import org.apache.shardingsphere.mode.storage.service.QualifiedDataSourceStatusService;
 
 import java.util.Map;
-import java.util.Properties;
 
 /**
  * Registry center.
@@ -46,33 +41,20 @@ public final class RegistryCenter {
 
     private final Map<String, DatabaseConfiguration> databaseConfigs;
 
-    @Getter
-    private final QualifiedDataSourceStatusService qualifiedDataSourceStatusService;
-
     @Getter
     private final ComputeNodeStatusService computeNodeStatusService;
 
-    @Getter
-    private final GlobalLockPersistService globalLockPersistService;
-
     private final GovernanceWatcherFactory listenerFactory;
 
     public RegistryCenter(final EventBusContext eventBusContext,
                           final ClusterPersistRepository repository, final InstanceMetaData instanceMetaData, final Map<String, DatabaseConfiguration> databaseConfigs) {
         this.repository = repository;
         this.instanceMetaData = instanceMetaData;
         this.databaseConfigs = databaseConfigs;
-        qualifiedDataSourceStatusService = new QualifiedDataSourceStatusService(repository);
         computeNodeStatusService = new ComputeNodeStatusService(repository);
-        globalLockPersistService = new GlobalLockPersistService(initDistributedLockHolder(repository));
         listenerFactory = new GovernanceWatcherFactory(repository, eventBusContext, getJDBCDatabaseName());
     }
 
-    private DistributedLockHolder initDistributedLockHolder(final ClusterPersistRepository repository) {
-        DistributedLockHolder distributedLockHolder = repository.getDistributedLockHolder();
-        return null == distributedLockHolder ? new DistributedLockHolder("default", repository, new DefaultLockTypedProperties(new Properties())) : distributedLockHolder;
-    }
-
     private String getJDBCDatabaseName() {
         return instanceMetaData instanceof JDBCInstanceMetaData ? databaseConfigs.keySet().stream().findFirst().orElse(null) : null;
     }

proxy/backend/core/src/test/java/org/apache/shardingsphere/proxy/backend/handler/distsql/ral/updatable/LockClusterExecutorTest.java

@@ -21,6 +21,7 @@
 import org.apache.shardingsphere.distsql.statement.ral.updatable.LockClusterStatement;
 import org.apache.shardingsphere.infra.spi.exception.ServiceProviderNotFoundException;
 import org.apache.shardingsphere.infra.state.cluster.ClusterState;
+import org.apache.shardingsphere.mode.exception.LockedClusterException;
 import org.apache.shardingsphere.mode.manager.ContextManager;
 import org.apache.shardingsphere.proxy.backend.context.ProxyContext;
 import org.apache.shardingsphere.test.mock.AutoMockExtension;
@@ -45,7 +46,7 @@ class LockClusterExecutorTest {
     void assertExecuteUpdateWithLockedCluster() {
         ContextManager contextManager = mock(ContextManager.class, RETURNS_DEEP_STUBS);
         when(contextManager.getClusterStateContext().getCurrentState()).thenReturn(ClusterState.UNAVAILABLE);
-        assertThrows(IllegalStateException.class, () -> executor.executeUpdate(new LockClusterStatement(new AlgorithmSegment("FOO", new Properties())), contextManager));
+        assertThrows(LockedClusterException.class, () -> executor.executeUpdate(new LockClusterStatement(new AlgorithmSegment("FOO", new Properties())), contextManager));
     }
 
     @Test

proxy/backend/core/src/test/java/org/apache/shardingsphere/proxy/backend/handler/distsql/ral/updatable/UnlockClusterExecutorTest.java

@@ -19,6 +19,7 @@
 
 import org.apache.shardingsphere.distsql.statement.ral.updatable.UnlockClusterStatement;
 import org.apache.shardingsphere.infra.state.cluster.ClusterState;
+import org.apache.shardingsphere.mode.exception.NotLockedClusterException;
 import org.apache.shardingsphere.mode.manager.ContextManager;
 import org.apache.shardingsphere.proxy.backend.context.ProxyContext;
 import org.apache.shardingsphere.test.mock.AutoMockExtension;
@@ -42,6 +43,6 @@ void assertExecuteUpdateWithNotLockedCluster() {
         ContextManager contextManager = mock(ContextManager.class, RETURNS_DEEP_STUBS);
         when(contextManager.getClusterStateContext().getCurrentState()).thenReturn(ClusterState.OK);
         when(ProxyContext.getInstance().getContextManager()).thenReturn(contextManager);
-        assertThrows(IllegalStateException.class, () -> executor.executeUpdate(new UnlockClusterStatement(), contextManager));
+        assertThrows(NotLockedClusterException.class, () -> executor.executeUpdate(new UnlockClusterStatement(), contextManager));
     }
 }