| /* |
| * 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.single.yaml.config.swapper; |
| |
| import org.apache.shardingsphere.infra.util.yaml.YamlEngine; |
| import org.apache.shardingsphere.infra.util.yaml.datanode.RepositoryTuple; |
| import org.apache.shardingsphere.infra.yaml.config.swapper.rule.YamlDataNodeRuleConfigurationSwapper; |
| import org.apache.shardingsphere.mode.path.RuleNodePath; |
| import org.apache.shardingsphere.single.api.config.SingleRuleConfiguration; |
| import org.apache.shardingsphere.single.constant.SingleOrder; |
| import org.apache.shardingsphere.single.metadata.nodepath.SingleRuleNodePathProvider; |
| import org.apache.shardingsphere.single.yaml.config.pojo.YamlSingleRuleConfiguration; |
| |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.Optional; |
| import java.util.stream.Collectors; |
| |
| /** |
| * YAML single data node rule configuration swapper. |
| */ |
| public final class YamlSingleDataNodeRuleConfigurationSwapper implements YamlDataNodeRuleConfigurationSwapper<SingleRuleConfiguration> { |
| |
| private final RuleNodePath singleRuleNodePath = new SingleRuleNodePathProvider().getRuleNodePath(); |
| |
| @Override |
| public Collection<RepositoryTuple> swapToRepositoryTuples(final SingleRuleConfiguration data) { |
| return Collections.singletonList(new RepositoryTuple(SingleRuleNodePathProvider.TABLES, YamlEngine.marshal(swapToYamlConfiguration(data)))); |
| } |
| |
| private YamlSingleRuleConfiguration swapToYamlConfiguration(final SingleRuleConfiguration data) { |
| YamlSingleRuleConfiguration result = new YamlSingleRuleConfiguration(); |
| result.getTables().addAll(data.getTables()); |
| data.getDefaultDataSource().ifPresent(result::setDefaultDataSource); |
| return result; |
| } |
| |
| @Override |
| public Optional<SingleRuleConfiguration> swapToObject(final Collection<RepositoryTuple> repositoryTuples) { |
| for (RepositoryTuple each : repositoryTuples.stream().filter(each -> singleRuleNodePath.getRoot().isValidatedPath(each.getKey())).collect(Collectors.toList())) { |
| if (singleRuleNodePath.getUniqueItem(SingleRuleNodePathProvider.TABLES).isValidatedPath(each.getKey())) { |
| return Optional.of(swapToObject(YamlEngine.unmarshal(each.getValue(), YamlSingleRuleConfiguration.class))); |
| } |
| } |
| return Optional.empty(); |
| } |
| |
| private SingleRuleConfiguration swapToObject(final YamlSingleRuleConfiguration yamlConfig) { |
| SingleRuleConfiguration result = new SingleRuleConfiguration(); |
| result.getTables().addAll(yamlConfig.getTables()); |
| result.setDefaultDataSource(yamlConfig.getDefaultDataSource()); |
| return result; |
| } |
| |
| @Override |
| public Class<SingleRuleConfiguration> getTypeClass() { |
| return SingleRuleConfiguration.class; |
| } |
| |
| @Override |
| public String getRuleTagName() { |
| return "SINGLE"; |
| } |
| |
| @Override |
| public int getOrder() { |
| return SingleOrder.ORDER; |
| } |
| } |