Spring Boot集成ShardingSphere详解

import org.apache.shardingsphere.infra.config.properties.ConfigurationProperties;
import org.apache.shardingsphere.infra.context.metadata.MetaDataContexts;
import org.apache.shardingsphere.infra.context.runtime.RuntimeContext;
import org.apache.shardingsphere.infra.database.DefaultSchema;
import org.apache.shardingsphere.infra.executor.kernel.ExecutorEngine;
import org.apache.shardingsphere.infra.metadata.ShardingSphereMetaData;
import org.apache.shardingsphere.infra.optimize.context.OptimizerContext;
import org.apache.shardingsphere.infra.rule.ShardingSphereRule;
import org.apache.shardingsphere.mode.manager.ContextManager;
import org.apache.shardingsphere.mode.metadata.MetaDataContextsBuilder;
import org.apache.shardingsphere.mode.repository.RepositoryType;
import org.apache.shardingsphere.infra.config.mode.ModeConfiguration;
import org.apache.shardingsphere.infra.config.properties.ConfigurationProperties;
import org.apache.shardingsphere.infra.context.metadata.MetaDataContexts;
import org.apache.shardingsphere.infra.context.runtime.RuntimeContext;
import org.apache.shardingsphere.infra.database.DefaultSchema;
import org.apache.shardingsphere.infra.executor.kernel.ExecutorEngine;
import org.apache.shardingsphere.infra.metadata.ShardingSphereMetaData;
import org.apache.shardingsphere.infra.optimize.context.OptimizerContext;
import org.apache.shardingsphere.infra.rule.ShardingSphereRule;
import org.apache.shardingsphere.mode.manager.ContextManager;
import org.apache.shardingsphere.mode.metadata.MetaDataContextsBuilder;
import org.apache.shardingsphere.mode.repository.RepositoryType;
 
// 示例代码省略
 
// 创建ShardingSphere数据源
public DataSource createDataSource() {
    // 省略原有的ShardingSphere配置和规则配置
    // ...
 
    // 构建MetaDataContexts
    MetaDataContexts metaDataContexts = new MetaDataContextsBuilder(
            mock(MetaDataContexts.class), 
            mock(ShardingSphereRuleMetaData.class), 
            mock(ExecutorEngine.class), 
            mock(ConfigurationProperties.class), 
            Collections.emptyMap()).build();
 
    // 构建ContextManager
    ContextManager contextManager = new ContextManager(
            mock(MetaDataContexts.class), 
            mock(RuntimeContext.class), 
            mock(OptimizerContext.class), 
            mock(ServerVersion.class), 
            mock(ExecutorEngine.class));
 
    // 省略其他配置和创建DataSource的代码
    // ...