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Use DataChangedEventHandler to instead of DispatchEventBuilder
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58 changes: 0 additions & 58 deletions
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...ode/manager/cluster/event/dispatch/builder/type/ListenerAssistedDispatchEventBuilder.java
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...de/manager/cluster/event/dispatch/event/assisted/CreateDatabaseListenerAssistedEvent.java
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...mode/manager/cluster/event/dispatch/event/assisted/DropDatabaseListenerAssistedEvent.java
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...here/mode/manager/cluster/event/dispatch/handler/type/ListenerAssistedChangedHandler.java
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| /* | ||
| * 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. | ||
| */ | ||
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| package org.apache.shardingsphere.mode.manager.cluster.event.dispatch.handler.type; | ||
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| import org.apache.shardingsphere.infra.instance.metadata.InstanceType; | ||
| import org.apache.shardingsphere.metadata.persist.node.DatabaseMetaDataNode; | ||
| import org.apache.shardingsphere.metadata.persist.node.StatesNode; | ||
| import org.apache.shardingsphere.mode.event.DataChangedEvent; | ||
| import org.apache.shardingsphere.mode.event.DataChangedEvent.Type; | ||
| import org.apache.shardingsphere.mode.manager.ContextManager; | ||
| import org.apache.shardingsphere.mode.manager.cluster.event.dispatch.handler.DataChangedEventHandler; | ||
| import org.apache.shardingsphere.mode.manager.cluster.event.dispatch.listener.type.DatabaseMetaDataChangedListener; | ||
| import org.apache.shardingsphere.mode.metadata.refresher.ShardingSphereStatisticsRefreshEngine; | ||
| import org.apache.shardingsphere.mode.persist.service.unified.ListenerAssistedType; | ||
| import org.apache.shardingsphere.mode.repository.cluster.ClusterPersistRepository; | ||
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| import java.util.Arrays; | ||
| import java.util.Collection; | ||
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| /** | ||
| * Listener assisted changed handler. | ||
| */ | ||
| public final class ListenerAssistedChangedHandler implements DataChangedEventHandler { | ||
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| @Override | ||
| public String getSubscribedKey() { | ||
| return StatesNode.getListenerAssistedNodePath(); | ||
| } | ||
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| @Override | ||
| public Collection<Type> getSubscribedTypes() { | ||
| return Arrays.asList(Type.ADDED, Type.UPDATED); | ||
| } | ||
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| @Override | ||
| public void handle(final ContextManager contextManager, final DataChangedEvent event) { | ||
| StatesNode.getDatabaseNameByListenerAssistedNodePath(event.getKey()).ifPresent(optional -> handle(contextManager, optional, ListenerAssistedType.valueOf(event.getValue()))); | ||
| } | ||
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| private static void handle(final ContextManager contextManager, final String databaseName, final ListenerAssistedType listenerAssistedType) { | ||
| ClusterPersistRepository repository = (ClusterPersistRepository) contextManager.getPersistServiceFacade().getRepository(); | ||
| if (ListenerAssistedType.CREATE_DATABASE == listenerAssistedType) { | ||
| repository.watch(DatabaseMetaDataNode.getDatabaseNamePath(databaseName), new DatabaseMetaDataChangedListener(contextManager.getComputeNodeInstanceContext().getEventBusContext())); | ||
| contextManager.getMetaDataContextManager().getSchemaMetaDataManager().addDatabase(databaseName); | ||
| } else if (ListenerAssistedType.DROP_DATABASE == listenerAssistedType) { | ||
| repository.removeDataListener(DatabaseMetaDataNode.getDatabaseNamePath(databaseName)); | ||
| contextManager.getMetaDataContextManager().getSchemaMetaDataManager().dropDatabase(databaseName); | ||
| } | ||
| contextManager.getPersistServiceFacade().getListenerAssistedPersistService().deleteDatabaseNameListenerAssisted(databaseName); | ||
| if (InstanceType.PROXY == contextManager.getComputeNodeInstanceContext().getInstance().getMetaData().getType()) { | ||
| new ShardingSphereStatisticsRefreshEngine(contextManager).asyncRefresh(); | ||
| } | ||
| } | ||
| } |
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79 changes: 0 additions & 79 deletions
79
...phere/mode/manager/cluster/event/dispatch/subscriber/type/ListenerAssistedSubscriber.java
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62 changes: 0 additions & 62 deletions
62
...manager/cluster/event/dispatch/builder/type/ListenerAssistedDispatchEventBuilderTest.java
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