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Remove ShardingSphereSchema.dataSourceParameters (apache#6569)
* Decouple ShardingSphereSchema.dataSourceParameters * Remove ShardingSphereSchema.dataSourceParameters * Add ProxyDataSourceContext * Refactor SchemaContextsBuilder
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71 changes: 71 additions & 0 deletions
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.../src/main/java/org/apache/shardingsphere/proxy/backend/schema/ProxyDataSourceContext.java
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,71 @@ | ||
| /* | ||
| * 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.proxy.backend.schema; | ||
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| import lombok.Getter; | ||
| import org.apache.shardingsphere.infra.database.type.DatabaseType; | ||
| import org.apache.shardingsphere.infra.database.type.DatabaseTypes; | ||
| import org.apache.shardingsphere.infra.database.type.dialect.MySQLDatabaseType; | ||
| import org.apache.shardingsphere.infra.exception.ShardingSphereException; | ||
| import org.apache.shardingsphere.kernel.context.schema.DataSourceParameter; | ||
| import org.apache.shardingsphere.proxy.backend.communication.jdbc.datasource.JDBCRawBackendDataSourceFactory; | ||
| import org.apache.shardingsphere.proxy.backend.communication.jdbc.recognizer.JDBCDriverURLRecognizerEngine; | ||
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| import javax.sql.DataSource; | ||
| import java.util.LinkedHashMap; | ||
| import java.util.Map; | ||
| import java.util.Map.Entry; | ||
| import java.util.stream.Collectors; | ||
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| /** | ||
| * Proxy data source context. | ||
| */ | ||
| @Getter | ||
| public final class ProxyDataSourceContext { | ||
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| private final DatabaseType databaseType; | ||
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| private final Map<String, Map<String, DataSource>> dataSourcesMap; | ||
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| public ProxyDataSourceContext(final Map<String, Map<String, DataSourceParameter>> schemaDataSources) { | ||
| databaseType = schemaDataSources.isEmpty() ? new MySQLDatabaseType() : DatabaseTypes.getActualDatabaseType(getDatabaseTypeName(schemaDataSources)); | ||
| dataSourcesMap = createDataSourcesMap(schemaDataSources); | ||
| } | ||
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| private static String getDatabaseTypeName(final Map<String, Map<String, DataSourceParameter>> schemaDataSources) { | ||
| return JDBCDriverURLRecognizerEngine.getJDBCDriverURLRecognizer(schemaDataSources.values().iterator().next().values().iterator().next().getUrl()).getDatabaseType(); | ||
| } | ||
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| private static Map<String, Map<String, DataSource>> createDataSourcesMap(final Map<String, Map<String, DataSourceParameter>> schemaDataSources) { | ||
| return schemaDataSources.entrySet().stream().collect(Collectors.toMap(Entry::getKey, entry -> createDataSources(entry.getValue()), (oldValue, currentValue) -> oldValue, LinkedHashMap::new)); | ||
| } | ||
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| private static Map<String, DataSource> createDataSources(final Map<String, DataSourceParameter> dataSourceParameters) { | ||
| Map<String, DataSource> result = new LinkedHashMap<>(dataSourceParameters.size(), 1); | ||
| for (Entry<String, DataSourceParameter> entry : dataSourceParameters.entrySet()) { | ||
| try { | ||
| result.put(entry.getKey(), JDBCRawBackendDataSourceFactory.getInstance().build(entry.getKey(), entry.getValue())); | ||
| // CHECKSTYLE:OFF | ||
| } catch (final Exception ex) { | ||
| // CHECKSTYLE:ON | ||
| throw new ShardingSphereException(String.format("Can not build data source, name is `%s`.", entry.getKey()), ex); | ||
| } | ||
| } | ||
| return result; | ||
| } | ||
| } |
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