Add DispatchEventSubscriber

mode/type/cluster/core/src/main/java/org/apache/shardingsphere/mode/manager/cluster/event/dispatch/subscriber/DispatchEventSubscriber.java

@@ -0,0 +1,26 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.shardingsphere.mode.manager.cluster.event.dispatch.subscriber;
+
+import org.apache.shardingsphere.infra.util.eventbus.EventSubscriber;
+
+/**
+ * Dispatch event subscriber.
+ */
+public interface DispatchEventSubscriber extends EventSubscriber {
+}

mode/type/cluster/core/src/main/java/org/apache/shardingsphere/mode/manager/cluster/event/dispatch/subscriber/type/CacheEvictedSubscriber.java

@@ -18,14 +18,14 @@
 package org.apache.shardingsphere.mode.manager.cluster.event.dispatch.subscriber.type;
 
 import com.google.common.eventbus.Subscribe;
-import org.apache.shardingsphere.mode.event.dispatch.DispatchEvent;
 import org.apache.shardingsphere.infra.spi.type.ordered.cache.OrderedServicesCache;
-import org.apache.shardingsphere.infra.util.eventbus.EventSubscriber;
+import org.apache.shardingsphere.mode.event.dispatch.DispatchEvent;
+import org.apache.shardingsphere.mode.manager.cluster.event.dispatch.subscriber.DispatchEventSubscriber;
 
 /**
  * Cache evicted subscriber.
  */
-public final class CacheEvictedSubscriber implements EventSubscriber {
+public final class CacheEvictedSubscriber implements DispatchEventSubscriber {
 
     /**
      * Callback of any {@link DispatchEvent}.

mode/type/cluster/core/src/main/java/org/apache/shardingsphere/mode/manager/cluster/event/dispatch/subscriber/type/ComputeNodeStateSubscriber.java

@@ -18,33 +18,38 @@
 package org.apache.shardingsphere.mode.manager.cluster.event.dispatch.subscriber.type;
 
 import com.google.common.eventbus.Subscribe;
-import lombok.RequiredArgsConstructor;
 import org.apache.shardingsphere.infra.instance.ComputeNodeInstance;
-import org.apache.shardingsphere.infra.util.eventbus.EventSubscriber;
+import org.apache.shardingsphere.infra.instance.ComputeNodeInstanceContext;
 import org.apache.shardingsphere.mode.event.dispatch.state.compute.ComputeNodeInstanceStateChangedEvent;
 import org.apache.shardingsphere.mode.event.dispatch.state.compute.LabelsEvent;
 import org.apache.shardingsphere.mode.event.dispatch.state.compute.WorkerIdEvent;
-import org.apache.shardingsphere.mode.manager.ContextManager;
 import org.apache.shardingsphere.mode.event.dispatch.state.compute.instance.InstanceOfflineEvent;
 import org.apache.shardingsphere.mode.event.dispatch.state.compute.instance.InstanceOnlineEvent;
+import org.apache.shardingsphere.mode.manager.ContextManager;
+import org.apache.shardingsphere.mode.manager.cluster.event.dispatch.subscriber.DispatchEventSubscriber;
 
 /**
  * Compute node state subscriber.
  */
-@RequiredArgsConstructor
-public final class ComputeNodeStateSubscriber implements EventSubscriber {
+public final class ComputeNodeStateSubscriber implements DispatchEventSubscriber {
 
     private final ContextManager contextManager;
 
+    private final ComputeNodeInstanceContext computeNodeInstanceContext;
+
+    public ComputeNodeStateSubscriber(final ContextManager contextManager) {
+        this.contextManager = contextManager;
+        computeNodeInstanceContext = contextManager.getComputeNodeInstanceContext();
+    }
+
     /**
      * Renew instance list.
      *
      * @param event compute node online event
      */
     @Subscribe
     public synchronized void renew(final InstanceOnlineEvent event) {
-        contextManager.getComputeNodeInstanceContext().addComputeNodeInstance(
-                contextManager.getPersistServiceFacade().getComputeNodePersistService().loadComputeNodeInstance(event.getInstanceMetaData()));
+        computeNodeInstanceContext.addComputeNodeInstance(contextManager.getPersistServiceFacade().getComputeNodePersistService().loadComputeNodeInstance(event.getInstanceMetaData()));
     }
 
     /**
@@ -54,7 +59,7 @@ public synchronized void renew(final InstanceOnlineEvent event) {
      */
     @Subscribe
     public synchronized void renew(final InstanceOfflineEvent event) {
-        contextManager.getComputeNodeInstanceContext().deleteComputeNodeInstance(new ComputeNodeInstance(event.getInstanceMetaData()));
+        computeNodeInstanceContext.deleteComputeNodeInstance(new ComputeNodeInstance(event.getInstanceMetaData()));
     }
 
     /**
@@ -64,7 +69,7 @@ public synchronized void renew(final InstanceOfflineEvent event) {
      */
     @Subscribe
     public synchronized void renew(final ComputeNodeInstanceStateChangedEvent event) {
-        contextManager.getComputeNodeInstanceContext().updateStatus(event.getInstanceId(), event.getStatus());
+        computeNodeInstanceContext.updateStatus(event.getInstanceId(), event.getStatus());
     }
 
     /**
@@ -74,7 +79,7 @@ public synchronized void renew(final ComputeNodeInstanceStateChangedEvent event)
      */
     @Subscribe
     public synchronized void renew(final WorkerIdEvent event) {
-        contextManager.getComputeNodeInstanceContext().updateWorkerId(event.getInstanceId(), event.getWorkerId());
+        computeNodeInstanceContext.updateWorkerId(event.getInstanceId(), event.getWorkerId());
     }
 
     /**
@@ -85,6 +90,6 @@ public synchronized void renew(final WorkerIdEvent event) {
     @Subscribe
     public synchronized void renew(final LabelsEvent event) {
         // TODO labels may be empty
-        contextManager.getComputeNodeInstanceContext().updateLabels(event.getInstanceId(), event.getLabels());
+        computeNodeInstanceContext.updateLabels(event.getInstanceId(), event.getLabels());
     }
 }

mode/type/cluster/core/src/main/java/org/apache/shardingsphere/mode/manager/cluster/event/dispatch/subscriber/type/DatabaseDataChangedSubscriber.java

@@ -18,24 +18,27 @@
 package org.apache.shardingsphere.mode.manager.cluster.event.dispatch.subscriber.type;
 
 import com.google.common.eventbus.Subscribe;
-import lombok.RequiredArgsConstructor;
-import org.apache.shardingsphere.infra.util.eventbus.EventSubscriber;
-import org.apache.shardingsphere.mode.manager.ContextManager;
 import org.apache.shardingsphere.mode.event.dispatch.metadata.data.DatabaseDataAddedEvent;
 import org.apache.shardingsphere.mode.event.dispatch.metadata.data.DatabaseDataDeletedEvent;
 import org.apache.shardingsphere.mode.event.dispatch.metadata.data.SchemaDataAddedEvent;
 import org.apache.shardingsphere.mode.event.dispatch.metadata.data.SchemaDataDeletedEvent;
 import org.apache.shardingsphere.mode.event.dispatch.metadata.data.ShardingSphereRowDataChangedEvent;
 import org.apache.shardingsphere.mode.event.dispatch.metadata.data.ShardingSphereRowDataDeletedEvent;
 import org.apache.shardingsphere.mode.event.dispatch.metadata.data.TableDataChangedEvent;
+import org.apache.shardingsphere.mode.manager.ContextManager;
+import org.apache.shardingsphere.mode.manager.cluster.event.dispatch.subscriber.DispatchEventSubscriber;
+import org.apache.shardingsphere.mode.metadata.manager.ShardingSphereDatabaseDataManager;
 
 /**
  * Database data changed subscriber.
  */
-@RequiredArgsConstructor
-public final class DatabaseDataChangedSubscriber implements EventSubscriber {
+public final class DatabaseDataChangedSubscriber implements DispatchEventSubscriber {
 
-    private final ContextManager contextManager;
+    private final ShardingSphereDatabaseDataManager databaseManager;
+
+    public DatabaseDataChangedSubscriber(final ContextManager contextManager) {
+        databaseManager = contextManager.getMetaDataContextManager().getDatabaseManager();
+    }
 
     /**
      * Renew to persist ShardingSphere database data.
@@ -44,7 +47,7 @@ public final class DatabaseDataChangedSubscriber implements EventSubscriber {
      */
     @Subscribe
     public synchronized void renew(final DatabaseDataAddedEvent event) {
-        contextManager.getMetaDataContextManager().getDatabaseManager().addShardingSphereDatabaseData(event.getDatabaseName());
+        databaseManager.addShardingSphereDatabaseData(event.getDatabaseName());
     }
 
     /**
@@ -54,7 +57,7 @@ public synchronized void renew(final DatabaseDataAddedEvent event) {
      */
     @Subscribe
     public synchronized void renew(final DatabaseDataDeletedEvent event) {
-        contextManager.getMetaDataContextManager().getDatabaseManager().dropShardingSphereDatabaseData(event.getDatabaseName());
+        databaseManager.dropShardingSphereDatabaseData(event.getDatabaseName());
     }
 
     /**
@@ -64,7 +67,7 @@ public synchronized void renew(final DatabaseDataDeletedEvent event) {
      */
     @Subscribe
     public synchronized void renew(final SchemaDataAddedEvent event) {
-        contextManager.getMetaDataContextManager().getDatabaseManager().addShardingSphereSchemaData(event.getDatabaseName(), event.getSchemaName());
+        databaseManager.addShardingSphereSchemaData(event.getDatabaseName(), event.getSchemaName());
     }
 
     /**
@@ -74,7 +77,7 @@ public synchronized void renew(final SchemaDataAddedEvent event) {
      */
     @Subscribe
     public synchronized void renew(final SchemaDataDeletedEvent event) {
-        contextManager.getMetaDataContextManager().getDatabaseManager().dropShardingSphereSchemaData(event.getDatabaseName(), event.getSchemaName());
+        databaseManager.dropShardingSphereSchemaData(event.getDatabaseName(), event.getSchemaName());
     }
 
     /**
@@ -85,10 +88,10 @@ public synchronized void renew(final SchemaDataDeletedEvent event) {
     @Subscribe
     public synchronized void renew(final TableDataChangedEvent event) {
         if (null != event.getAddedTable()) {
-            contextManager.getMetaDataContextManager().getDatabaseManager().addShardingSphereTableData(event.getDatabaseName(), event.getSchemaName(), event.getAddedTable());
+            databaseManager.addShardingSphereTableData(event.getDatabaseName(), event.getSchemaName(), event.getAddedTable());
         }
         if (null != event.getDeletedTable()) {
-            contextManager.getMetaDataContextManager().getDatabaseManager().dropShardingSphereTableData(event.getDatabaseName(), event.getSchemaName(), event.getDeletedTable());
+            databaseManager.dropShardingSphereTableData(event.getDatabaseName(), event.getSchemaName(), event.getDeletedTable());
         }
     }
 
@@ -99,7 +102,7 @@ public synchronized void renew(final TableDataChangedEvent event) {
      */
     @Subscribe
     public synchronized void renew(final ShardingSphereRowDataChangedEvent event) {
-        contextManager.getMetaDataContextManager().getDatabaseManager().alterShardingSphereRowData(event.getDatabaseName(), event.getSchemaName(), event.getTableName(), event.getYamlRowData());
+        databaseManager.alterShardingSphereRowData(event.getDatabaseName(), event.getSchemaName(), event.getTableName(), event.getYamlRowData());
     }
 
     /**
@@ -109,6 +112,6 @@ public synchronized void renew(final ShardingSphereRowDataChangedEvent event) {
      */
     @Subscribe
     public synchronized void renew(final ShardingSphereRowDataDeletedEvent event) {
-        contextManager.getMetaDataContextManager().getDatabaseManager().deleteShardingSphereRowData(event.getDatabaseName(), event.getSchemaName(), event.getTableName(), event.getUniqueKey());
+        databaseManager.deleteShardingSphereRowData(event.getDatabaseName(), event.getSchemaName(), event.getTableName(), event.getUniqueKey());
     }
 }

mode/type/cluster/core/src/main/java/org/apache/shardingsphere/mode/manager/cluster/event/dispatch/subscriber/type/GlobalRuleConfigurationEventSubscriber.java

@@ -22,9 +22,9 @@
 import lombok.RequiredArgsConstructor;
 import org.apache.shardingsphere.infra.config.rule.RuleConfiguration;
 import org.apache.shardingsphere.infra.spi.type.typed.TypedSPILoader;
-import org.apache.shardingsphere.infra.util.eventbus.EventSubscriber;
 import org.apache.shardingsphere.mode.event.dispatch.config.AlterGlobalRuleConfigurationEvent;
 import org.apache.shardingsphere.mode.manager.ContextManager;
+import org.apache.shardingsphere.mode.manager.cluster.event.dispatch.subscriber.DispatchEventSubscriber;
 import org.apache.shardingsphere.mode.spi.RuleConfigurationPersistDecorator;
 
 import java.util.Optional;
@@ -33,7 +33,7 @@
  * Global rule configuration event subscriber.
  */
 @RequiredArgsConstructor
-public final class GlobalRuleConfigurationEventSubscriber implements EventSubscriber {
+public final class GlobalRuleConfigurationEventSubscriber implements DispatchEventSubscriber {
 
     private final ContextManager contextManager;
 

mode/type/cluster/core/src/main/java/org/apache/shardingsphere/mode/manager/cluster/event/dispatch/subscriber/type/ListenerAssistedSubscriber.java

@@ -20,13 +20,13 @@
 import com.google.common.eventbus.Subscribe;
 import lombok.RequiredArgsConstructor;
 import org.apache.shardingsphere.infra.instance.metadata.InstanceType;
-import org.apache.shardingsphere.infra.util.eventbus.EventSubscriber;
 import org.apache.shardingsphere.metadata.persist.node.DatabaseMetaDataNode;
 import org.apache.shardingsphere.mode.event.dispatch.assisted.CreateDatabaseListenerAssistedEvent;
 import org.apache.shardingsphere.mode.event.dispatch.assisted.DropDatabaseListenerAssistedEvent;
 import org.apache.shardingsphere.mode.lock.GlobalLockContext;
 import org.apache.shardingsphere.mode.manager.ContextManager;
 import org.apache.shardingsphere.mode.manager.cluster.event.dispatch.listener.type.DatabaseMetaDataChangedListener;
+import org.apache.shardingsphere.mode.manager.cluster.event.dispatch.subscriber.DispatchEventSubscriber;
 import org.apache.shardingsphere.mode.manager.cluster.persist.service.GlobalLockPersistService;
 import org.apache.shardingsphere.mode.metadata.refresher.ShardingSphereStatisticsRefreshEngine;
 import org.apache.shardingsphere.mode.repository.cluster.ClusterPersistRepository;
@@ -35,7 +35,7 @@
  * Listener assisted subscriber.
  */
 @RequiredArgsConstructor
-public final class ListenerAssistedSubscriber implements EventSubscriber {
+public final class ListenerAssistedSubscriber implements DispatchEventSubscriber {
 
     private final ContextManager contextManager;
 

mode/type/cluster/core/src/main/java/org/apache/shardingsphere/mode/manager/cluster/event/dispatch/subscriber/type/MetaDataChangedSubscriber.java

@@ -22,7 +22,6 @@
 import org.apache.shardingsphere.infra.instance.metadata.InstanceType;
 import org.apache.shardingsphere.infra.metadata.database.schema.model.ShardingSphereTable;
 import org.apache.shardingsphere.infra.metadata.database.schema.model.ShardingSphereView;
-import org.apache.shardingsphere.infra.util.eventbus.EventSubscriber;
 import org.apache.shardingsphere.mode.event.dispatch.metadata.schema.SchemaAddedEvent;
 import org.apache.shardingsphere.mode.event.dispatch.metadata.schema.SchemaDeletedEvent;
 import org.apache.shardingsphere.mode.event.dispatch.metadata.schema.table.TableCreatedOrAlteredEvent;
@@ -31,14 +30,15 @@
 import org.apache.shardingsphere.mode.event.dispatch.metadata.schema.view.ViewDroppedEvent;
 import org.apache.shardingsphere.mode.lock.GlobalLockContext;
 import org.apache.shardingsphere.mode.manager.ContextManager;
+import org.apache.shardingsphere.mode.manager.cluster.event.dispatch.subscriber.DispatchEventSubscriber;
 import org.apache.shardingsphere.mode.manager.cluster.persist.service.GlobalLockPersistService;
 import org.apache.shardingsphere.mode.metadata.refresher.ShardingSphereStatisticsRefreshEngine;
 import org.apache.shardingsphere.mode.repository.cluster.ClusterPersistRepository;
 
 /**
  * Meta data changed subscriber.
  */
-public final class MetaDataChangedSubscriber implements EventSubscriber {
+public final class MetaDataChangedSubscriber implements DispatchEventSubscriber {
 
     private final ContextManager contextManager;
 

mode/type/cluster/core/src/main/java/org/apache/shardingsphere/mode/manager/cluster/event/dispatch/subscriber/type/ProcessListChangedSubscriber.java

@@ -18,20 +18,20 @@
 package org.apache.shardingsphere.mode.manager.cluster.event.dispatch.subscriber.type;
 
 import com.google.common.eventbus.Subscribe;
-import lombok.RequiredArgsConstructor;
 import org.apache.shardingsphere.infra.executor.sql.process.Process;
 import org.apache.shardingsphere.infra.executor.sql.process.ProcessRegistry;
 import org.apache.shardingsphere.infra.executor.sql.process.lock.ProcessOperationLockRegistry;
 import org.apache.shardingsphere.infra.executor.sql.process.yaml.swapper.YamlProcessListSwapper;
-import org.apache.shardingsphere.infra.util.eventbus.EventSubscriber;
 import org.apache.shardingsphere.infra.util.yaml.YamlEngine;
 import org.apache.shardingsphere.metadata.persist.node.ComputeNode;
 import org.apache.shardingsphere.metadata.persist.node.ProcessNode;
-import org.apache.shardingsphere.mode.manager.ContextManager;
 import org.apache.shardingsphere.mode.event.dispatch.state.compute.KillLocalProcessCompletedEvent;
 import org.apache.shardingsphere.mode.event.dispatch.state.compute.KillLocalProcessEvent;
 import org.apache.shardingsphere.mode.event.dispatch.state.compute.ReportLocalProcessesCompletedEvent;
 import org.apache.shardingsphere.mode.event.dispatch.state.compute.ReportLocalProcessesEvent;
+import org.apache.shardingsphere.mode.manager.ContextManager;
+import org.apache.shardingsphere.mode.manager.cluster.event.dispatch.subscriber.DispatchEventSubscriber;
+import org.apache.shardingsphere.mode.spi.PersistRepository;
 
 import java.sql.SQLException;
 import java.sql.Statement;
@@ -40,12 +40,19 @@
 /**
  * Process list changed subscriber.
  */
-@RequiredArgsConstructor
-public final class ProcessListChangedSubscriber implements EventSubscriber {
+public final class ProcessListChangedSubscriber implements DispatchEventSubscriber {
 
     private final ContextManager contextManager;
 
-    private final YamlProcessListSwapper swapper = new YamlProcessListSwapper();
+    private final PersistRepository repository;
+
+    private final YamlProcessListSwapper swapper;
+
+    public ProcessListChangedSubscriber(final ContextManager contextManager) {
+        this.contextManager = contextManager;
+        repository = contextManager.getPersistServiceFacade().getRepository();
+        swapper = new YamlProcessListSwapper();
+    }
 
     /**
      * Report local processes.
@@ -59,10 +66,9 @@ public void reportLocalProcesses(final ReportLocalProcessesEvent event) {
         }
         Collection<Process> processes = ProcessRegistry.getInstance().listAll();
         if (!processes.isEmpty()) {
-            contextManager.getPersistServiceFacade().getRepository().persist(
-                    ProcessNode.getProcessListInstancePath(event.getTaskId(), event.getInstanceId()), YamlEngine.marshal(swapper.swapToYamlConfiguration(processes)));
+            repository.persist(ProcessNode.getProcessListInstancePath(event.getTaskId(), event.getInstanceId()), YamlEngine.marshal(swapper.swapToYamlConfiguration(processes)));
         }
-        contextManager.getPersistServiceFacade().getRepository().delete(ComputeNode.getProcessTriggerInstanceNodePath(event.getInstanceId(), event.getTaskId()));
+        repository.delete(ComputeNode.getProcessTriggerInstanceNodePath(event.getInstanceId(), event.getTaskId()));
     }
 
     /**
@@ -93,7 +99,7 @@ public synchronized void killLocalProcess(final KillLocalProcessEvent event) thr
                 each.cancel();
             }
         }
-        contextManager.getPersistServiceFacade().getRepository().delete(ComputeNode.getProcessKillInstanceIdNodePath(event.getInstanceId(), event.getProcessId()));
+        repository.delete(ComputeNode.getProcessKillInstanceIdNodePath(event.getInstanceId(), event.getProcessId()));
     }
 
     /**

mode/type/cluster/core/src/main/java/org/apache/shardingsphere/mode/manager/cluster/event/dispatch/subscriber/type/PropertiesEventSubscriber.java

@@ -20,15 +20,15 @@
 import com.google.common.base.Preconditions;
 import com.google.common.eventbus.Subscribe;
 import lombok.RequiredArgsConstructor;
-import org.apache.shardingsphere.infra.util.eventbus.EventSubscriber;
 import org.apache.shardingsphere.mode.event.dispatch.config.AlterPropertiesEvent;
 import org.apache.shardingsphere.mode.manager.ContextManager;
+import org.apache.shardingsphere.mode.manager.cluster.event.dispatch.subscriber.DispatchEventSubscriber;
 
 /**
  * Properties event subscriber.
  */
 @RequiredArgsConstructor
-public final class PropertiesEventSubscriber implements EventSubscriber {
+public final class PropertiesEventSubscriber implements DispatchEventSubscriber {
 
     private final ContextManager contextManager;