/*
|
* Copyright 1999-2019 Seata.io Group.
|
*
|
* Licensed 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 io.seata.server.console.impl.db;
|
|
import io.seata.common.ConfigurationKeys;
|
import io.seata.common.exception.StoreException;
|
import io.seata.common.loader.EnhancedServiceLoader;
|
import io.seata.common.util.IOUtil;
|
import io.seata.common.util.PageUtil;
|
import io.seata.common.util.StringUtils;
|
import io.seata.config.Configuration;
|
import io.seata.config.ConfigurationFactory;
|
import io.seata.console.result.PageResult;
|
import io.seata.core.store.db.DataSourceProvider;
|
import io.seata.core.store.db.sql.lock.LockStoreSqlFactory;
|
import io.seata.server.console.param.GlobalLockParam;
|
import io.seata.server.console.service.GlobalLockService;
|
import io.seata.server.console.vo.GlobalLockVO;
|
import org.springframework.boot.autoconfigure.condition.ConditionalOnExpression;
|
import org.springframework.stereotype.Component;
|
|
import javax.sql.DataSource;
|
import java.sql.Connection;
|
import java.sql.PreparedStatement;
|
import java.sql.ResultSet;
|
import java.sql.SQLException;
|
import java.util.ArrayList;
|
import java.util.List;
|
|
import static io.seata.common.DefaultValues.DEFAULT_LOCK_DB_TABLE;
|
|
|
/**
|
* Global Lock DB ServiceImpl
|
*
|
* @author zhongxiang.wang
|
* @author lvekee 734843455@qq.com
|
*/
|
@Component
|
@org.springframework.context.annotation.Configuration
|
@ConditionalOnExpression("#{'db'.equals('${lockMode}')}")
|
public class GlobalLockDBServiceImpl implements GlobalLockService {
|
|
private String lockTable;
|
|
private String dbType;
|
|
private DataSource dataSource;
|
|
public GlobalLockDBServiceImpl() {
|
Configuration configuration = ConfigurationFactory.getInstance();
|
lockTable = configuration.getConfig(ConfigurationKeys.LOCK_DB_TABLE, DEFAULT_LOCK_DB_TABLE);
|
dbType = configuration.getConfig(ConfigurationKeys.STORE_DB_TYPE);
|
if (StringUtils.isBlank(dbType)) {
|
throw new IllegalArgumentException(ConfigurationKeys.STORE_DB_TYPE + " should not be blank");
|
}
|
String dbDataSource = configuration.getConfig(ConfigurationKeys.STORE_DB_DATASOURCE_TYPE);
|
if (StringUtils.isBlank(dbDataSource)) {
|
throw new IllegalArgumentException(ConfigurationKeys.STORE_DB_DATASOURCE_TYPE + " should not be blank");
|
}
|
dataSource = EnhancedServiceLoader.load(DataSourceProvider.class, dbDataSource).provide();
|
}
|
|
@Override
|
public PageResult<GlobalLockVO> query(GlobalLockParam param) {
|
PageUtil.checkParam(param.getPageNum(), param.getPageSize());
|
|
List<Object> sqlParamList = new ArrayList<>();
|
String whereCondition = this.getWhereConditionByParam(param, sqlParamList);
|
|
String sourceSql = LockStoreSqlFactory.getLogStoreSql(dbType).getAllLockSql(lockTable, whereCondition);
|
String queryLockSql = PageUtil.pageSql(sourceSql, dbType, param.getPageNum(), param.getPageSize());
|
String lockCountSql = PageUtil.countSql(sourceSql, dbType);
|
|
List<GlobalLockVO> list = new ArrayList<>();
|
int count = 0;
|
|
ResultSet rs = null;
|
ResultSet countRs = null;
|
|
try (Connection conn = dataSource.getConnection();
|
PreparedStatement ps = conn.prepareStatement(queryLockSql);
|
PreparedStatement countPs = conn.prepareStatement(lockCountSql)) {
|
PageUtil.setObject(ps, sqlParamList);
|
rs = ps.executeQuery();
|
while (rs.next()) {
|
list.add(GlobalLockVO.convert(rs));
|
}
|
PageUtil.setObject(countPs, sqlParamList);
|
countRs = countPs.executeQuery();
|
if (countRs.next()) {
|
count = countRs.getInt(1);
|
}
|
} catch (SQLException e) {
|
throw new StoreException(e);
|
} finally {
|
IOUtil.close(rs, countRs);
|
}
|
return PageResult.success(list, count, param.getPageNum(), param.getPageSize());
|
}
|
|
private String getWhereConditionByParam(GlobalLockParam param, List<Object> sqlParamList) {
|
StringBuilder whereConditionBuilder = new StringBuilder();
|
if (StringUtils.isNotBlank(param.getXid())) {
|
whereConditionBuilder.append(" and xid = ? ");
|
sqlParamList.add(param.getXid());
|
}
|
if (StringUtils.isNotBlank(param.getTableName())) {
|
whereConditionBuilder.append(" and table_name = ? ");
|
sqlParamList.add(param.getTableName());
|
}
|
if (StringUtils.isNotBlank(param.getTransactionId())) {
|
whereConditionBuilder.append(" and transaction_id = ? ");
|
sqlParamList.add(param.getTransactionId());
|
}
|
if (StringUtils.isNotBlank(param.getBranchId())) {
|
whereConditionBuilder.append(" and branch_id = ? ");
|
sqlParamList.add(param.getBranchId());
|
}
|
if (param.getTimeStart() != null) {
|
whereConditionBuilder.append(" and gmt_create >= ? ");
|
sqlParamList.add(param.getTimeStart());
|
}
|
if (param.getTimeEnd() != null) {
|
whereConditionBuilder.append(" and gmt_create <= ? ");
|
sqlParamList.add(param.getTimeEnd());
|
}
|
String whereCondition = whereConditionBuilder.toString();
|
return whereCondition.replaceFirst("and", "where");
|
}
|
|
}
|
