/*
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* Copyright 1999-2019 Seata.io Group.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* 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 io.seata.server.console.impl.db;
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import io.seata.common.ConfigurationKeys;
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import io.seata.common.exception.StoreException;
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import io.seata.common.loader.EnhancedServiceLoader;
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import io.seata.common.util.IOUtil;
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import io.seata.common.util.StringUtils;
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import io.seata.config.Configuration;
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import io.seata.config.ConfigurationFactory;
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import io.seata.console.result.PageResult;
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import io.seata.core.store.db.DataSourceProvider;
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import io.seata.core.store.db.sql.log.LogStoreSqlsFactory;
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import io.seata.server.console.service.BranchSessionService;
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import io.seata.server.console.vo.BranchSessionVO;
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import org.springframework.boot.autoconfigure.condition.ConditionalOnExpression;
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import org.springframework.stereotype.Component;
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import javax.sql.DataSource;
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import java.sql.Connection;
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import java.sql.PreparedStatement;
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import java.sql.ResultSet;
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import java.sql.SQLException;
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import java.util.ArrayList;
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import java.util.List;
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import static io.seata.common.DefaultValues.DEFAULT_STORE_DB_BRANCH_TABLE;
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/**
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* Branch Session DataBase ServiceImpl
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*
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* @author zhongxiang.wang
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* @author lvekee 734843455@qq.com
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*/
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@Component
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@org.springframework.context.annotation.Configuration
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@ConditionalOnExpression("#{'db'.equals('${sessionMode}')}")
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public class BranchSessionDBServiceImpl implements BranchSessionService {
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private String branchTable;
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private String dbType;
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private DataSource dataSource;
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public BranchSessionDBServiceImpl() {
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Configuration configuration = ConfigurationFactory.getInstance();
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branchTable = configuration.getConfig(ConfigurationKeys.STORE_DB_BRANCH_TABLE, DEFAULT_STORE_DB_BRANCH_TABLE);
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dbType = configuration.getConfig(ConfigurationKeys.STORE_DB_TYPE);
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if (StringUtils.isBlank(dbType)) {
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throw new IllegalArgumentException(ConfigurationKeys.STORE_DB_TYPE + " should not be blank");
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}
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String dbDataSource = configuration.getConfig(ConfigurationKeys.STORE_DB_DATASOURCE_TYPE);
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if (StringUtils.isBlank(dbDataSource)) {
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throw new IllegalArgumentException(ConfigurationKeys.STORE_DB_DATASOURCE_TYPE + " should not be blank");
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}
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dataSource = EnhancedServiceLoader.load(DataSourceProvider.class, dbDataSource).provide();
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}
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@Override
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public PageResult<BranchSessionVO> queryByXid(String xid) {
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if (StringUtils.isBlank(xid)) {
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throw new IllegalArgumentException("xid should not be blank");
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}
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String whereCondition = " where xid = ? ";
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String branchSessionSQL = LogStoreSqlsFactory.getLogStoreSqls(dbType).getAllBranchSessionSQL(branchTable, whereCondition);
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List<BranchSessionVO> list = new ArrayList<>();
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ResultSet rs = null;
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try (Connection conn = dataSource.getConnection();
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PreparedStatement ps = conn.prepareStatement(branchSessionSQL)) {
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ps.setObject(1, xid);
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rs = ps.executeQuery();
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while (rs.next()) {
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list.add(BranchSessionVO.convert(rs));
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}
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} catch (SQLException e) {
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throw new StoreException(e);
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} finally {
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IOUtil.close(rs);
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}
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return PageResult.success(list, list.size(), 0, 0, 0);
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}
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}
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