Browse Source
* replace DataSourceController API with string JSON and cast to DTO * add DataSourceProcessorManager and DataSourceProcessorProvider to datasource processor functions3.1.0-release
Tq
3 years ago
committed by
GitHub
18 changed files with 347 additions and 132 deletions
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/* |
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* Licensed to the Apache Software Foundation (ASF) under one or more |
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* contributor license agreements. See the NOTICE file distributed with |
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* this work for additional information regarding copyright ownership. |
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* The ASF licenses this file to You under the Apache License, Version 2.0 |
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* (the "License"); you may not use this file except in compliance with |
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* the License. You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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package org.apache.dolphinscheduler.plugin.datasource.api.plugin; |
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import org.apache.dolphinscheduler.plugin.datasource.api.datasource.DataSourceProcessor; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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import java.util.Collections; |
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import java.util.HashSet; |
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import java.util.Map; |
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import java.util.ServiceLoader; |
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import java.util.Set; |
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import java.util.concurrent.ConcurrentHashMap; |
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import static java.lang.String.format; |
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public class DataSourceProcessorManager { |
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private static final Logger logger = LoggerFactory.getLogger(DataSourceProcessorManager.class); |
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private static final Map<String, DataSourceProcessor> dataSourceProcessorMap = new ConcurrentHashMap<>(); |
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public Map<String, DataSourceProcessor> getDataSourceProcessorMap() { |
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return Collections.unmodifiableMap(dataSourceProcessorMap); |
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} |
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public void installProcessor() { |
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final Set<String> names = new HashSet<>(); |
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ServiceLoader.load(DataSourceProcessor.class).forEach(factory -> { |
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final String name = factory.getDbType().name(); |
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logger.info("start register processor: {}", name); |
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if (!names.add(name)) { |
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throw new IllegalStateException(format("Duplicate datasource plugins named '%s'", name)); |
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} |
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loadDatasourceClient(factory); |
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logger.info("done register processor: {}", name); |
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}); |
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} |
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private void loadDatasourceClient(DataSourceProcessor processor) { |
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DataSourceProcessor instance = processor.create(); |
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dataSourceProcessorMap.put(processor.getDbType().name(), instance); |
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} |
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} |
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/* |
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* Licensed to the Apache Software Foundation (ASF) under one or more |
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* contributor license agreements. See the NOTICE file distributed with |
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* this work for additional information regarding copyright ownership. |
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* The ASF licenses this file to You under the Apache License, Version 2.0 |
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* (the "License"); you may not use this file except in compliance with |
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* the License. You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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package org.apache.dolphinscheduler.plugin.datasource.api.plugin; |
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import org.apache.dolphinscheduler.plugin.datasource.api.datasource.DataSourceProcessor; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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import java.util.Map; |
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public class DataSourceProcessorProvider { |
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private static final Logger logger = LoggerFactory.getLogger(DataSourceProcessorProvider.class); |
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private DataSourceProcessorManager dataSourcePluginManager; |
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private DataSourceProcessorProvider() { |
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initDataSourceProcessorPlugin(); |
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} |
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private static class DataSourceClientProviderHolder { |
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private static final DataSourceProcessorProvider INSTANCE = new DataSourceProcessorProvider(); |
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} |
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public static DataSourceProcessorProvider getInstance() { |
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return DataSourceClientProviderHolder.INSTANCE; |
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} |
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public Map<String, DataSourceProcessor> getDataSourceProcessorMap() { |
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return dataSourcePluginManager.getDataSourceProcessorMap(); |
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} |
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private void initDataSourceProcessorPlugin() { |
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dataSourcePluginManager = new DataSourceProcessorManager(); |
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dataSourcePluginManager.installProcessor(); |
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} |
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} |
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