optimize: optimize spring-seata sample (#678)

at-sample/spring-seata/src/main/java/org/apache/seata/config/DataSourceConfiguration.java

@@ -14,7 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.seata.provider.config;
+package org.apache.seata.config;
 
 import com.alibaba.druid.pool.DruidDataSource;
 import org.springframework.beans.factory.annotation.Value;

at-sample/spring-seata/src/main/java/org/apache/seata/config/SeataConfiguration.java

@@ -14,7 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.seata.provider.config;
+package org.apache.seata.config;
 
 import io.seata.spring.annotation.GlobalTransactionScanner;
 import org.springframework.beans.factory.annotation.Value;

at-sample/spring-seata/src/main/java/org/apache/seata/service/StorageService.java → at-sample/spring-seata/src/main/java/org/apache/seata/service/StockService.java

@@ -19,7 +19,7 @@
 /**
  * The interface Stock service.
  */
-public interface StorageService {
+public interface StockService {
 
     /**
      * 扣减库存

at-sample/spring-seata/src/main/java/org/apache/seata/service/impl/BusinessServiceImpl.java

@@ -21,7 +21,7 @@
 
 import org.apache.seata.service.BusinessService;
 import org.apache.seata.service.OrderService;
-import org.apache.seata.service.StorageService;
+import org.apache.seata.service.StockService;
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -41,7 +41,7 @@ public class BusinessServiceImpl implements BusinessService {
     private static final Logger LOGGER = LoggerFactory.getLogger(BusinessService.class);
 
     @Resource
-    private StorageService storageService;
+    private StockService stockService;
     @Resource
     private OrderService orderService;
     private final Random random = new Random();
@@ -50,7 +50,7 @@ public class BusinessServiceImpl implements BusinessService {
     @GlobalTransactional(timeoutMills = 300000, name = "spring-seata-tx")
     public void purchase(String userId, String commodityCode, int orderCount) {
         LOGGER.info("purchase begin ... xid: " + RootContext.getXID());
-        storageService.deduct(commodityCode, orderCount);
+        stockService.deduct(commodityCode, orderCount);
         orderService.create(userId, commodityCode, orderCount);
         if (random.nextBoolean()) {
             throw new RuntimeException("random exception mock!");

at-sample/spring-seata/src/main/java/org/apache/seata/service/impl/OrderServiceImpl.java

@@ -78,7 +78,7 @@ public void create(String userId, String commodityCode, int orderCount) {
     }
 
     private int calculate(String commodityId, int orderCount) {
-        return 200 * orderCount;
+        return 100 * orderCount;
     }
 
 }

at-sample/spring-seata/src/main/java/org/apache/seata/service/impl/StorageServiceImpl.java → at-sample/spring-seata/src/main/java/org/apache/seata/service/impl/StockServiceImpl.java

@@ -16,7 +16,7 @@
 package org.apache.seata.service.impl;
 
 import io.seata.core.context.RootContext;
-import org.apache.seata.service.StorageService;
+import org.apache.seata.service.StockService;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.jdbc.core.JdbcTemplate;
@@ -30,9 +30,9 @@
  * @author jimin.jm @alibaba-inc.com
  */
 @Service
-public class StorageServiceImpl implements StorageService {
+public class StockServiceImpl implements StockService {
 
-    private static final Logger LOGGER = LoggerFactory.getLogger(StorageService.class);
+    private static final Logger LOGGER = LoggerFactory.getLogger(StockService.class);
 
     @Resource
     private JdbcTemplate jdbcTemplate;

at-sample/spring-seata/src/main/resources/all.sql

@@ -53,4 +53,7 @@ CREATE TABLE IF NOT EXISTS `undo_log`
     `log_modified`  DATETIME(6)  NOT NULL COMMENT 'modify datetime',
     UNIQUE KEY `ux_undo_log` (`xid`, `branch_id`)
     ) ENGINE = InnoDB AUTO_INCREMENT = 1 DEFAULT CHARSET = utf8mb4 COMMENT ='AT transaction mode undo table';
-ALTER TABLE `undo_log` ADD INDEX `ix_log_created` (`log_created`);
+ALTER TABLE `undo_log` ADD INDEX `ix_log_created` (`log_created`);
+
+insert into account_tbl (user_id, money) values ('U100001', 10000);
+insert into stock_tbl (commodity_code, count) values ('C00321', 100);