| /* |
| * 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. |
| */ |
| |
| package org.apache.shardingsphere.shadow.yaml.swapper; |
| |
| import com.google.common.base.Strings; |
| import org.apache.shardingsphere.infra.algorithm.core.config.AlgorithmConfiguration; |
| import org.apache.shardingsphere.infra.algorithm.core.yaml.YamlAlgorithmConfiguration; |
| import org.apache.shardingsphere.infra.algorithm.core.yaml.YamlAlgorithmConfigurationSwapper; |
| import org.apache.shardingsphere.infra.util.yaml.YamlEngine; |
| import org.apache.shardingsphere.infra.util.yaml.datanode.RepositoryTuple; |
| import org.apache.shardingsphere.infra.util.yaml.swapper.YamlDataNodeConfigurationSwapper; |
| import org.apache.shardingsphere.mode.path.RuleNodePath; |
| import org.apache.shardingsphere.shadow.api.config.ShadowRuleConfiguration; |
| import org.apache.shardingsphere.shadow.api.config.datasource.ShadowDataSourceConfiguration; |
| import org.apache.shardingsphere.shadow.api.config.table.ShadowTableConfiguration; |
| import org.apache.shardingsphere.shadow.constant.ShadowOrder; |
| import org.apache.shardingsphere.shadow.metadata.nodepath.ShadowRuleNodePathProvider; |
| import org.apache.shardingsphere.shadow.yaml.config.datasource.YamlShadowDataSourceConfiguration; |
| import org.apache.shardingsphere.shadow.yaml.config.table.YamlShadowTableConfiguration; |
| import org.apache.shardingsphere.shadow.yaml.swapper.table.YamlShadowTableConfigurationSwapper; |
| |
| import java.util.Collection; |
| import java.util.LinkedList; |
| import java.util.List; |
| import java.util.Map.Entry; |
| import java.util.Optional; |
| import java.util.stream.Collectors; |
| |
| /** |
| * YAML shadow data node rule configuration swapper. |
| */ |
| public final class YamlShadowDataNodeRuleConfigurationSwapper implements YamlDataNodeConfigurationSwapper<ShadowRuleConfiguration> { |
| |
| private final YamlShadowTableConfigurationSwapper tableSwapper = new YamlShadowTableConfigurationSwapper(); |
| |
| private final YamlAlgorithmConfigurationSwapper algorithmSwapper = new YamlAlgorithmConfigurationSwapper(); |
| |
| private final RuleNodePath shadowRuleNodePath = new ShadowRuleNodePathProvider().getRuleNodePath(); |
| |
| @Override |
| public Collection<RepositoryTuple> swapToRepositoryTuples(final ShadowRuleConfiguration data) { |
| Collection<RepositoryTuple> result = new LinkedList<>(); |
| for (Entry<String, AlgorithmConfiguration> entry : data.getShadowAlgorithms().entrySet()) { |
| result.add(new RepositoryTuple(shadowRuleNodePath.getNamedItem(ShadowRuleNodePathProvider.ALGORITHMS).getPath(entry.getKey()), |
| YamlEngine.marshal(algorithmSwapper.swapToYamlConfiguration(entry.getValue())))); |
| } |
| if (!Strings.isNullOrEmpty(data.getDefaultShadowAlgorithmName())) { |
| result.add(new RepositoryTuple(shadowRuleNodePath.getUniqueItem(ShadowRuleNodePathProvider.DEFAULT_ALGORITHM).getPath(), data.getDefaultShadowAlgorithmName())); |
| } |
| for (ShadowDataSourceConfiguration each : data.getDataSources()) { |
| result.add(new RepositoryTuple(shadowRuleNodePath.getNamedItem(ShadowRuleNodePathProvider.DATA_SOURCES).getPath(each.getName()), |
| YamlEngine.marshal(swapToDataSourceYamlConfiguration(each)))); |
| } |
| for (Entry<String, ShadowTableConfiguration> entry : data.getTables().entrySet()) { |
| result.add(new RepositoryTuple(shadowRuleNodePath.getNamedItem(ShadowRuleNodePathProvider.TABLES).getPath(entry.getKey()), |
| YamlEngine.marshal(tableSwapper.swapToYamlConfiguration(entry.getValue())))); |
| } |
| return result; |
| } |
| |
| private YamlShadowDataSourceConfiguration swapToDataSourceYamlConfiguration(final ShadowDataSourceConfiguration data) { |
| YamlShadowDataSourceConfiguration result = new YamlShadowDataSourceConfiguration(); |
| result.setProductionDataSourceName(data.getProductionDataSourceName()); |
| result.setShadowDataSourceName(data.getShadowDataSourceName()); |
| return result; |
| } |
| |
| @Override |
| public Optional<ShadowRuleConfiguration> swapToObject(final Collection<RepositoryTuple> repositoryTuples) { |
| List<RepositoryTuple> validRepositoryTuples = repositoryTuples.stream().filter(each -> shadowRuleNodePath.getRoot().isValidatedPath(each.getKey())).collect(Collectors.toList()); |
| if (validRepositoryTuples.isEmpty()) { |
| return Optional.empty(); |
| } |
| ShadowRuleConfiguration result = new ShadowRuleConfiguration(); |
| for (RepositoryTuple each : validRepositoryTuples) { |
| shadowRuleNodePath.getNamedItem(ShadowRuleNodePathProvider.DATA_SOURCES).getName(each.getKey()) |
| .ifPresent(optional -> result.getDataSources().add(swapDataSource(optional, YamlEngine.unmarshal(each.getValue(), YamlShadowDataSourceConfiguration.class)))); |
| shadowRuleNodePath.getNamedItem(ShadowRuleNodePathProvider.TABLES).getName(each.getKey()) |
| .ifPresent(optional -> result.getTables().put(optional, tableSwapper.swapToObject(YamlEngine.unmarshal(each.getValue(), YamlShadowTableConfiguration.class)))); |
| shadowRuleNodePath.getNamedItem(ShadowRuleNodePathProvider.ALGORITHMS).getName(each.getKey()) |
| .ifPresent(optional -> result.getShadowAlgorithms().put(optional, algorithmSwapper.swapToObject(YamlEngine.unmarshal(each.getValue(), YamlAlgorithmConfiguration.class)))); |
| if (shadowRuleNodePath.getUniqueItem(ShadowRuleNodePathProvider.DEFAULT_ALGORITHM).isValidatedPath(each.getKey())) { |
| result.setDefaultShadowAlgorithmName(each.getValue()); |
| } |
| } |
| return Optional.of(result); |
| } |
| |
| private ShadowDataSourceConfiguration swapDataSource(final String name, final YamlShadowDataSourceConfiguration yamlConfig) { |
| return new ShadowDataSourceConfiguration(name, yamlConfig.getProductionDataSourceName(), yamlConfig.getShadowDataSourceName()); |
| } |
| |
| @Override |
| public Class<ShadowRuleConfiguration> getTypeClass() { |
| return ShadowRuleConfiguration.class; |
| } |
| |
| @Override |
| public String getRuleTagName() { |
| return "SHADOW"; |
| } |
| |
| @Override |
| public int getOrder() { |
| return ShadowOrder.ORDER; |
| } |
| } |