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Nessie server: add support for MariaDB and MySQL backends (#8544)
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96
...common/src/main/java/org/projectnessie/quarkus/config/datasource/DataSourceActivator.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,96 @@ | ||
| /* | ||
| * Copyright (C) 2024 Dremio | ||
| * | ||
| * Licensed 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.projectnessie.quarkus.config.datasource; | ||
|
|
||
| import io.smallrye.config.ConfigSourceInterceptor; | ||
| import io.smallrye.config.ConfigSourceInterceptorContext; | ||
| import io.smallrye.config.ConfigValue; | ||
| import io.smallrye.config.ConfigValue.ConfigValueBuilder; | ||
| import org.projectnessie.quarkus.config.VersionStoreConfig.VersionStoreType; | ||
| import org.projectnessie.quarkus.providers.storage.JdbcBackendBuilder; | ||
|
|
||
| /** | ||
| * Activates a data source based on the current Nessie configuration under {@code | ||
| * nessie.version.store.persist.jdbc.datasource}, and deactivates all other data sources. | ||
| * | ||
| * <p>If the version store type is not JDBC, all data sources are deactivated. | ||
| */ | ||
| public class DataSourceActivator implements ConfigSourceInterceptor { | ||
|
|
||
| /** | ||
| * The default ordinal to use for modified {@code quarkus.datasource.*.active} properties. It must | ||
| * be higher than the ordinal of the application.properties classpath config source (250) but | ||
| * lower than the ordinal of the user-supplied application.properties (260). | ||
| */ | ||
| private static final int DEFAULT_ORDINAL = 251; | ||
|
|
||
| private static String activeDataSourceName; | ||
| private static VersionStoreType versionStoreType; | ||
|
|
||
| @Override | ||
| public ConfigValue getValue(ConfigSourceInterceptorContext context, String name) { | ||
| ConfigValue value = context.proceed(name); | ||
| if (name.startsWith("quarkus.datasource.") && name.endsWith(".active")) { | ||
| boolean active = | ||
| versionStoreType(context) == VersionStoreType.JDBC | ||
| && dataSourceName(name).equals(activeDataSourceName(context)); | ||
| if (value == null | ||
| || value.getValue() == null | ||
| || active != Boolean.parseBoolean(value.getValue())) { | ||
| value = newConfigValue(value, active); | ||
| } | ||
| } | ||
| return value; | ||
| } | ||
|
|
||
| private static ConfigValue newConfigValue(ConfigValue current, boolean active) { | ||
| ConfigValueBuilder builder = current == null ? ConfigValue.builder() : current.from(); | ||
| int ordinal = current == null ? DEFAULT_ORDINAL : current.getConfigSourceOrdinal() + 1; | ||
| return builder.withConfigSourceOrdinal(ordinal).withValue(active ? "true" : "false").build(); | ||
| } | ||
|
|
||
| private static synchronized VersionStoreType versionStoreType( | ||
| ConfigSourceInterceptorContext context) { | ||
| if (versionStoreType == null) { | ||
| ConfigValue value = context.proceed("nessie.version.store.type"); | ||
| versionStoreType = | ||
| value == null || value.getValue() == null | ||
| ? VersionStoreType.IN_MEMORY | ||
| : VersionStoreType.valueOf(value.getValue()); | ||
| } | ||
| return versionStoreType; | ||
| } | ||
|
|
||
| private static String dataSourceName(String property) { | ||
| if (property.equals("quarkus.datasource.active")) { | ||
| return JdbcBackendBuilder.DEFAULT_DATA_SOURCE_NAME; | ||
| } | ||
| String dataSourceName = | ||
| property.substring("quarkus.datasource.".length(), property.length() - ".active".length()); | ||
| return JdbcBackendBuilder.unquoteDataSourceName(dataSourceName); | ||
| } | ||
|
|
||
| private static synchronized String activeDataSourceName(ConfigSourceInterceptorContext context) { | ||
| if (activeDataSourceName == null) { | ||
| ConfigValue value = context.proceed("nessie.version.store.persist.jdbc.datasource"); | ||
| activeDataSourceName = | ||
| value == null || value.getValue() == null | ||
| ? JdbcBackendBuilder.DEFAULT_DATA_SOURCE_NAME | ||
| : JdbcBackendBuilder.unquoteDataSourceName(value.getValue()); | ||
| } | ||
| return activeDataSourceName; | ||
| } | ||
| } |
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