fix(dispatch): publish PC date and daily sequence numbering

2026-10-20 21:32:39 +08:00
parent c324de9c32
commit 2ec4627db6
9 changed files with 215 additions and 1 deletions
@@ -0,0 +1,22 @@
+package com.baiyue.lastleg.dispatch.mapper;
+
+import org.apache.ibatis.annotations.Insert;
+import org.apache.ibatis.annotations.Mapper;
+import org.apache.ibatis.annotations.Options;
+import org.apache.ibatis.annotations.Param;
+import org.apache.ibatis.annotations.Select;
+import java.time.LocalDate;
+
+/** 排车日期流水的原子分配与连接级结果读取，必须加入同一个短事务。 */
+@Mapper
+public interface DispatchNumberSequenceMapper {
+    /** 日期主键串行递增，同时在当前数据库连接记住本次实际分配值。 */
+    @Insert("INSERT INTO ll_dispatch_daily_sequence(business_date,last_sequence) VALUES(#{date},LAST_INSERT_ID(1)) "
+        + "ON DUPLICATE KEY UPDATE last_sequence=LAST_INSERT_ID(last_sequence+1)")
+    int allocate(@Param("date") LocalDate date);
+
+    /** 连接级值不能使用会话或二级查询缓存，须读取本事务刚刚分配的值。 */
+    @Select("SELECT LAST_INSERT_ID()")
+    @Options(useCache=false,flushCache=Options.FlushCachePolicy.TRUE)
+    Long allocatedValue();
+}
@@ -0,0 +1,29 @@
+package com.baiyue.lastleg.dispatch.repository;
+
+import com.baiyue.common.core.api.ResultCode;
+import com.baiyue.common.core.exception.BizException;
+import com.baiyue.lastleg.dispatch.mapper.DispatchNumberSequenceMapper;
+import org.springframework.stereotype.Repository;
+import org.springframework.transaction.annotation.Propagation;
+import org.springframework.transaction.annotation.Transactional;
+import java.time.LocalDate;
+
+/** 整车单号独立日流水；独立短事务归还序列锁后才进入车辆、司机及货物锁。 */
+@Repository
+public class DispatchNumberSequence {
+    private final DispatchNumberSequenceMapper mapper;
+
+    /** 流水与排车主单使用相同服务数据库。 */
+    public DispatchNumberSequence(DispatchNumberSequenceMapper mapper) { this.mapper = mapper; }
+
+    /** 唯一日期行原子递增，连接内取回本次值；失败不复用已分配的业务号。 */
+    @Transactional(propagation = Propagation.REQUIRES_NEW)
+    public long next(LocalDate date) {
+        // 两个实际 Mapper 操作加入本次 REQUIRES_NEW，连接级结果不跨连接也不读缓存。
+        mapper.allocate(date);
+        Long value = mapper.allocatedValue();
+        if (value == null || value < 1) throw new IllegalStateException("排车日流水分配失败");
+        if (value > 9999) throw new BizException(ResultCode.CONFLICT, "当日排车单四位流水号已用满");
+        return value;
+    }
+}
@@ -32,6 +32,7 @@ import static com.baiyue.lastleg.dispatch.port.DispatchContracts.*;
 /** 真整车创建、加货与查询；客户只属于明细，不属于整车头。 */
@Service
 public class DispatchAggregateService implements DispatchExecutionPort,DispatchAppointmentAmendmentPort {
+    @jakarta.annotation.Resource private DispatchNumberGenerator numbers;
    @jakarta.annotation.Resource private DispatchAppointmentAllocations appointments;
    @jakarta.annotation.Resource private DispatchPhysicalClaimService physicalClaims;
    @jakarta.annotation.Resource private DispatchItemSourceService relabelSources;
@@ -269,7 +270,7 @@ public class DispatchAggregateService implements DispatchExecutionPort,DispatchA
        var replay = commands.replay(actor,null,identity);
        if (replay.isPresent()) return replay.get();
        long id=IdWorker.getId();
-        String number="DS-"+UUID.randomUUID().toString().replace("-","").toUpperCase(Locale.ROOT);
+        String number=numbers.next();
        var shell=fleet.createDispatchShell(actor.operatorId(),new FleetExecutionModels.DispatchShellRequest(id,number,
            Long.parseLong(request.warehouseId()),request.idempotencyKey(),identity.commandHash(),request.plannedDepartureAt(),
            fleetVehicle(request.vehicle()),fleetDriver(request.driver()),request.remark()));
@@ -0,0 +1,33 @@
+package com.baiyue.lastleg.dispatch.service;
+
+import com.baiyue.lastleg.dispatch.repository.DispatchNumberSequence;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+import java.time.Clock;
+import java.time.LocalDate;
+import java.time.ZoneId;
+import java.time.format.DateTimeFormatter;
+import java.util.Locale;
+
+/** 平台排车单号：PC、北京时间日期与每日独立四位流水。 */
+@Component
+public class DispatchNumberGenerator {
+    private static final ZoneId BUSINESS_ZONE = ZoneId.of("Asia/Shanghai");
+    private final DispatchNumberSequence sequences;
+    private final Clock clock;
+
+    /** 正式运行按统一业务时区取当天日期。 */
+    @Autowired
+    public DispatchNumberGenerator(DispatchNumberSequence sequences) { this(sequences, Clock.systemUTC()); }
+
+    /** 固定时钟用于核实跨午夜归零边界。 */
+    DispatchNumberGenerator(DispatchNumberSequence sequences, Clock clock) { this.sequences = sequences; this.clock = clock; }
+
+    /** 已有命令重放由上层账本恢复原号，本方法只用于首次建单。 */
+    public String next() {
+        LocalDate date = LocalDate.now(clock.withZone(BUSINESS_ZONE));
+        long value = sequences.next(date);
+        if (value < 1 || value > 9999) throw new IllegalStateException("排车日流水不在四位范围内");
+        return "PC" + date.format(DateTimeFormatter.BASIC_ISO_DATE) + String.format(Locale.ROOT, "%04d", value);
+    }
+}
@@ -41,6 +41,12 @@ CREATE TABLE IF NOT EXISTS ll_order_no_daily_sequence (
  PRIMARY KEY(business_date)
 ) ENGINE=InnoDB COMMENT='尾程单号按日原子流水';

+CREATE TABLE IF NOT EXISTS ll_dispatch_daily_sequence (
+  business_date DATE NOT NULL COMMENT '排车编号业务日期（Asia/Shanghai）',
+  last_sequence INT NOT NULL COMMENT '当日已分配排车流水号，范围0001至9999',
+  PRIMARY KEY(business_date)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci COMMENT='排车单号每日独立原子流水';
+
 CREATE TABLE IF NOT EXISTS ll_order (
  id BIGINT NOT NULL COMMENT '雪花 ID',
  order_no VARCHAR(32) NOT NULL COMMENT '尾程单号',