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* Refactor ReadwriteSplittingDataSourceMapperRuleTest * Add StaticDataSourceRule
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84 changes: 84 additions & 0 deletions
84
...apache/shardingsphere/readwritesplitting/rule/ReadwriteSplittingStaticDataSourceRule.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.readwritesplitting.rule; | ||
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| import com.google.common.base.Preconditions; | ||
| import lombok.RequiredArgsConstructor; | ||
| import org.apache.shardingsphere.infra.instance.InstanceContext; | ||
| import org.apache.shardingsphere.infra.metadata.database.schema.QualifiedDatabase; | ||
| import org.apache.shardingsphere.infra.rule.event.DataSourceStatusChangedEvent; | ||
| import org.apache.shardingsphere.infra.rule.identifier.type.datasource.StaticDataSourceRule; | ||
| import org.apache.shardingsphere.infra.state.datasource.DataSourceState; | ||
| import org.apache.shardingsphere.mode.event.storage.StorageNodeDataSourceChangedEvent; | ||
| import org.apache.shardingsphere.mode.event.storage.StorageNodeDataSourceDeletedEvent; | ||
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| import java.util.Collection; | ||
| import java.util.HashMap; | ||
| import java.util.Map; | ||
| import java.util.Map.Entry; | ||
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| @RequiredArgsConstructor | ||
| public final class ReadwriteSplittingStaticDataSourceRule implements StaticDataSourceRule { | ||
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| private final String databaseName; | ||
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| private final Map<String, ReadwriteSplittingDataSourceRule> dataSourceRules; | ||
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| private final InstanceContext instanceContext; | ||
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| @Override | ||
| public Map<String, Collection<String>> getDataSourceMapper() { | ||
| Map<String, Collection<String>> result = new HashMap<>(); | ||
| for (Entry<String, ReadwriteSplittingDataSourceRule> entry : dataSourceRules.entrySet()) { | ||
| result.put(entry.getValue().getName(), entry.getValue().getReadwriteSplittingGroup().getAllDataSources()); | ||
| } | ||
| return result; | ||
| } | ||
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| @Override | ||
| public void updateStatus(final DataSourceStatusChangedEvent event) { | ||
| StorageNodeDataSourceChangedEvent dataSourceEvent = (StorageNodeDataSourceChangedEvent) event; | ||
| QualifiedDatabase qualifiedDatabase = dataSourceEvent.getQualifiedDatabase(); | ||
| ReadwriteSplittingDataSourceRule dataSourceRule = dataSourceRules.get(qualifiedDatabase.getGroupName()); | ||
| Preconditions.checkNotNull(dataSourceRule, "Can not find readwrite-splitting data source rule in database `%s`", qualifiedDatabase.getDatabaseName()); | ||
| if (DataSourceState.DISABLED == dataSourceEvent.getDataSource().getStatus()) { | ||
| dataSourceRule.disableDataSource(dataSourceEvent.getQualifiedDatabase().getDataSourceName()); | ||
| } else { | ||
| dataSourceRule.enableDataSource(dataSourceEvent.getQualifiedDatabase().getDataSourceName()); | ||
| } | ||
| } | ||
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| @Override | ||
| public void cleanStorageNodeDataSource(final String groupName) { | ||
| Preconditions.checkNotNull(dataSourceRules.get(groupName), String.format("`%s` group name not exist in database `%s`", groupName, databaseName)); | ||
| deleteStorageNodeDataSources(dataSourceRules.get(groupName)); | ||
| } | ||
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| private void deleteStorageNodeDataSources(final ReadwriteSplittingDataSourceRule rule) { | ||
| rule.getReadwriteSplittingGroup().getReadDataSources() | ||
| .forEach(each -> instanceContext.getEventBusContext().post(new StorageNodeDataSourceDeletedEvent(new QualifiedDatabase(databaseName, rule.getName(), each)))); | ||
| } | ||
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| @Override | ||
| public void cleanStorageNodeDataSources() { | ||
| for (Entry<String, ReadwriteSplittingDataSourceRule> entry : dataSourceRules.entrySet()) { | ||
| deleteStorageNodeDataSources(entry.getValue()); | ||
| } | ||
| } | ||
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| } |
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33 changes: 33 additions & 0 deletions
33
...e/shardingsphere/infra/rule/identifier/type/datasource/StaticDataSourceContainedRule.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,33 @@ | ||
| /* | ||
| * 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.infra.rule.identifier.type.datasource; | ||
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| import org.apache.shardingsphere.infra.rule.ShardingSphereRule; | ||
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| /** | ||
| * Static data source contained rule. | ||
| */ | ||
| public interface StaticDataSourceContainedRule extends ShardingSphereRule { | ||
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| /** | ||
| * Get static data source rule. | ||
| * | ||
| * @return static data source rule | ||
| */ | ||
| StaticDataSourceRule getStaticDataSourceRule(); | ||
| } |
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