feat(processing): 快照流程锁内复核收敛 + 异常显式清除语义 + 语义矩阵定稿 (ACM2-29 P2-5/M3)
- SnapshotFlow 收敛到 v2 §5 事务顺序:锁外仅解析校验;取得 PIPELINE_LOCK 后 锁内复核快照身份(last_message_id 重放短路)→ 锁内读代与当前航班态 → 计算 nextState → 写入 → CAS → 事件 → SUCCEEDED。锁内 CAS 失败属数据异常, 一律回滚 FAILED(INFRA),删除「版本号相同即视为重放」的推断路径(评审 F7/F8 收口) - M3/F4:异常对象(FDIV/FRET/FLAB)显式清除语义——null 字面量/空对象/空串 翻译为 Clear 命令;FlightNextState.clearedKeys 携带本次清除键;增量路径按 映射把前缀标量列置 NULL;库内清除后读视图无该键(线格式保持键缺失,显式 清除表达留待阶段 2 按下游契约定) - StubFlightSchd 增量分支改为 nextState 权威整体替换(引擎已合并当前态), 天然承载 Clear;flattenScalarsOnly 去除冗余循环(L2) - docs/flight-state-semantics.md:16 类结构语义矩阵定稿(P0-A 交付物落库) - 新测试:引擎 0 标记/异常清除/混排 fail-fast 单测;JDBC 异常清除回环用例 验证:MSGX_PG_PORT=5433 真实 PG ./gradlew test --rerun-tasks 105 用例 0 失败 0 跳过
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@@ -0,0 +1,60 @@
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# 运营航班字段语义矩阵(v2 权威口径)
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状态:定稿(ACM2-29 P2-5 收口,原 P0-A 交付物)。
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依据:[flight-state-design-v2.md](flight-state-design-v2.md) §3/§4/§9、[SIS_AODB_RMS-V0.1.md](legacy/SIS_AODB_RMS-V0.1.md)、`FlightStateEngine` 实现。
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本文是「当前有效规则」的唯一索引;decision-flight-state.md 中历史口径与此冲突时以本文为准。
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## 1. 命令模型
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解码/Handler 层产生显式命令,仓储不做字符串猜测:
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| 命令 | 标量 | 集合 |
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|---|---|---|
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| Unchanged(未出现) | 不修改 | 不修改 |
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| Set(value) | 覆盖 | — |
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| Clear | 删除该键,物理列置 NULL | 删除全部明细行 |
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| Replace(list) | — | 同事务 DELETE + 批量 INSERT 整集合替换 |
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| Apply(item, sourceSeq) | — | 按 SOURCE_SEQ 定位更新,缺失则追加 |
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- 序号属性为 `"0"` 的条目是协议显式清除标记:**仅当集合内全部条目均为 0** 时翻译为 Clear;与常规条目混排属非法结构,fail fast 拒绝。
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- 空数组 `[]` = Replace(空集):明细行清空(区别于 Unchanged 的键缺失)。
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- 非法 JSON、未知形状、超容输入不得截断后成功。
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## 2. 16 类结构映射
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| 集合键 | 存储载体 | 序号属性 | 出现语义 | 显式清除 | Apply |
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|---|---|---|---|---|---|
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| GTDT 登机口 | `flight_gate` | GTNO | Replace | GTNO=0 全清 | 支持(GTNO 定位) |
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| CKDT 值机柜台 | `flight_checkin` | CKNO | Replace | CKNO=0 全清 | 支持;同 CHKC 多舱位分配按 CKNO 区分,不按资源号去重 |
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| CLDT 行李转盘 | `flight_belt` | CLNO | Replace | CLNO=0 全清 | 支持 |
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| PSDT 计划机位 | `flight_stand_plan` | PSNO | Replace | PSNO=0 全清 | 支持 |
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| CHDT 行李滑槽 | `flight_chute` | CHNO | Replace | CHNO=0 全清 | 支持 |
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| DELY 延误 | `flight_delay` | 无(DLNO 非协议属性) | Replace(当前单有效延误 + 历史保留) | `[]` 清空 | **不支持**(协议无定位键;Apply 对 DELY 拒绝) |
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| ABTM 靠撤桥 | `flight_bridge_op` | ASNO | Replace(操作全集) | ASNO=0 全清 | 支持(ASNO 定位;多次靠/撤桥各占一行) |
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| CHOT 轮挡 | `flight_chock_op` | CSNO | Replace | CSNO=0 全清 | 支持(CHID=ON/OFF 为业务属性,非序号) |
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| ROUT 计划航路 | `flight_route_point(route_kind=ROUT)` | RTNO | Replace | RTNO=0 全清 | 支持 |
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| ERUT 扩展航路 | `flight_route_point(route_kind=ERUT)` | RTNO | Replace | RTNO=0 全清 | 支持 |
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| FDIV 备降 | 主表前缀列 `FDIV_*` | — | Set(对象) | `"null"`/`{}`/空串 → Clear | — |
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| FRET 返航 | 主表前缀列 `FRET_*` | — | Set | 同上 | — |
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| FLAB 中止 | 主表前缀列 `FLAB_*` | — | Set | 同上 | — |
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| SRVT 服务 | 主表 `SRVT_TEXT`(无损 JSON 文本) | — | Set | 同异常(Clear 置 NULL) | — |
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| VIPF 贵宾 | 主表 `VIPF_TEXT` | — | Set | 同上 | — |
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| MAFL 共享航班 | 主表 `MAFL_TEXT` | — | Set | 同上 | 一旦出现关联查询需求,升级为显式关系表(v2 §8.2) |
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公共明细列:`FLID` FK、`ORDINAL`(本集合内输入顺序,1 起)、`SOURCE_SEQ`(源序号字符串,不强转整数、不设唯一)、`RECORD_VERSION`、`CREATED_AT/UPDATED_AT`;PK `(FLID, ORDINAL)`。相同资源号不代表同一条分配记录,**禁止按资源号去重**。
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## 3. 清除的库内与线上表达
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- 库内:标量/异常/文本键 Clear → 对应列 `NULL`;集合键 Clear/Replace(空) → 明细行删除。
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- 线上(KAFKA_SCHD):被清除的键**缺失**(不输出 `"[]"`/`"null"`)。下游契约如需显式清除表达(如 `"GTDT":[]`),由阶段 2 Handler 按下游契约决定,不在存储层擅自改变线格式(v2 §9.1)。
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## 4. 快照(DNLD)与增量(FLOP/ADFT)
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- DNLD:外层标量字段级合并;集合为整包快照 Replace;集合键缺失 = Unchanged(不自动清空旧资源)。删除航班走 `SCHD_GEN` 差集 + `deleteDiffByDay`(FDAY 域化,ADFT/跨代迁移行受保护)。
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- FLOP:字段级合并;Handler 产生的集合键出现即全量替换。
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- 重放判定凭 `schd_gen.last_message_id`(快照)与 `identity_key`(消息去重);版本号只是顺序令牌。锁内 CAS 失败一律回滚 `FAILED(INFRA)`。
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## 5. 时区与空值
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- SIS 时间串(`DDMONYYHHMM` 机场当地时)原值保存;类型化提升按查询需要另行定案(ACM2-29 遗留 3)。
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- PG 保存空字符串;Oracle 11g 空串按 NULL——命令层保留 presence 信息,清除一律走显式 Clear 命令,不把「缺失、空串、NULL」混同(v2 §6)。
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@@ -9,6 +9,8 @@ data class FlightNextState(
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val collections: Map<String, List<Map<String, String>>>,
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val stateVersion: Long,
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val lastMessageId: String,
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/** 本次迁移中被显式清除的标量/异常/文本键(仓储据此写 NULL 列;快照全量替换下无意义)。 */
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val clearedKeys: Set<String> = emptySet(),
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) {
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fun toFlightFields(mapper: ObjectMapper = ObjectMapper()): FlightFields {
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val out = linkedMapOf<String, String>()
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@@ -14,6 +14,17 @@ object FlightStateEngine {
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"GTDT", "CKDT", "CLDT", "PSDT", "CHDT", "DELY", "ABTM", "CHOT", "ROUT", "ERUT",
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)
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/** 1:0..1 单值异常结构:主表前缀标量列承载;显式 null 载荷 = 清除(v2 §3.2/§9.1)。 */
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val EXCEPTION_KEYS = setOf("FDIV", "FRET", "FLAB")
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/** 异常/单值载荷的显式清除形态:空串、null 字面量、空对象(Oracle 空串即 NULL 语义的显式来源)。 */
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private fun isClearPayload(value: String): Boolean {
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val trimmed = value.trim()
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if (trimmed.isEmpty() || trimmed == "null") return true
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val node = runCatching { mapper.readTree(trimmed) }.getOrNull() ?: return false
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return node.isNull || (node.isObject && node.size() == 0)
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}
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private val SEQ_ATTR = mapOf(
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"GTDT" to "GTNO",
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"CKDT" to "CKNO",
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@@ -46,6 +57,7 @@ object FlightStateEngine {
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)
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}
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}
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key in EXCEPTION_KEYS && isClearPayload(value) -> scalars[key] = ScalarCommand.Clear
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else -> scalars[key] = ScalarCommand.Set(value)
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}
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}
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@@ -62,12 +74,19 @@ object FlightStateEngine {
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val baseCollections = current?.collections?.mapValues { it.value.toMutableList() }
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?.toMutableMap() ?: mutableMapOf()
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val baseVersion = current?.stateVersion ?: 0L
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val cleared = mutableSetOf<String>()
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commands.scalars.forEach { (key, cmd) ->
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when (cmd) {
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ScalarCommand.Unchanged -> Unit
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is ScalarCommand.Set -> baseScalars[key] = cmd.value
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ScalarCommand.Clear -> baseScalars.remove(key)
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is ScalarCommand.Set -> {
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baseScalars[key] = cmd.value
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cleared.remove(key)
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}
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ScalarCommand.Clear -> {
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baseScalars.remove(key)
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cleared += key
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}
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}
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}
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@@ -96,6 +115,7 @@ object FlightStateEngine {
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collections = baseCollections.mapValues { it.value.toList() },
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stateVersion = nextVersion,
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lastMessageId = messageId,
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clearedKeys = cleared.toSet(),
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)
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}
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+21
-7
@@ -518,8 +518,6 @@ class JdbcFlightSchdRepository(
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/** v2:仅标量/异常/文本列 flatten;集合键由明细表读写,不经过槽位列。 */
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private fun flattenScalarsOnly(scalars: Map<String, String>): Map<String, String?> {
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val fields = linkedMapOf<String, String>()
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scalars.forEach { (key, value) -> fields[key] = value }
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val out = mutableMapOf<String, String?>()
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scalars.forEach { (key, value) ->
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when {
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@@ -527,7 +525,7 @@ class JdbcFlightSchdRepository(
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key in setOf("SRVT", "VIPF", "MAFL") -> out["${key}_TEXT"] = value
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}
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}
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flattenExceptions(fields, out)
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flattenExceptions(scalars, out)
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return out
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}
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@@ -936,15 +934,31 @@ class JdbcFlightSchdRepository(
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}
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}
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/** v2 增量:仅更新出现的标量列 + 追踪字段。 */
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/** 显式清除键 → 需要置 NULL 的物理列(异常前缀列 / 文本列 / 普通标量列)。 */
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private fun clearColumnsFor(keys: Set<String>): List<String> = keys.flatMap { key ->
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when {
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key == "FDIV" -> listOf("FDIV_DDES", "FDIV_DDIR", "FDIV_REMC")
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key == "FRET" -> listOf("FRET_REID", "FRET_RSN")
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key == "FLAB" -> listOf("FLAB_ARES", "FLAB_RSN")
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key == "SRVT" -> listOf("SRVT_TEXT")
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key == "VIPF" -> listOf("VIPF_TEXT")
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key == "MAFL" -> listOf("MAFL_TEXT")
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key in SCALAR_KEY_SET -> listOf(key)
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else -> emptyList()
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}
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}
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/** v2 增量:仅更新出现的标量列 + 显式清除列置 NULL + 追踪字段。 */
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private fun upsertIncrementalScalars(state: com.gzzn.omms.msgexchange.domain.flight.FlightNextState, now: Instant) {
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val stored = flattenScalarsOnly(state.scalars)
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if (stored.isEmpty()) {
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val clearedColumns = clearColumnsFor(state.clearedKeys)
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if (stored.isEmpty() && clearedColumns.isEmpty()) {
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updateTrackingFields(state, now)
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return
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}
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val assignments = stored.keys.map { "$it = ?" }.toMutableList()
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assignments += listOf("last_message_id = ?", "state_version = ?", "updated_at = ?")
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val assignments = stored.keys.map { "$it = ?" } +
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clearedColumns.map { "$it = NULL" } +
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listOf("last_message_id = ?", "state_version = ?", "updated_at = ?")
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val sql = "UPDATE flight_schd SET ${assignments.joinToString(", ")} WHERE flid = ?"
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val sqlTimestamp = now.toSqlTimestamp()
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ds.update(sql) { ps ->
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@@ -335,21 +335,17 @@ class StubFlightSchd : FlightSchdRepository {
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)
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detailCollections[state.flid] = state.collections
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} else {
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val mergedScalars = (existing?.fields?.filterKeys {
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it == "FLID" || it !in com.gzzn.omms.msgexchange.infra.persistence.jdbc.FlightDetailTables.DETAIL_COLLECTION_KEYS
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} ?: emptyMap()) + scalarFields
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// nextState 由引擎在当前态上合并而来,是完整权威态:直接整体替换(含清除语义)
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records[state.flid] = Record(
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flid = state.flid,
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fday = existing?.fday,
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fields = mergedScalars,
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fields = scalarFields,
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stateVersion = state.stateVersion,
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lastMessageId = state.lastMessageId,
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createdAt = existing?.createdAt ?: now,
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updatedAt = now,
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)
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val mergedCollections = (detailCollections[state.flid] ?: emptyMap()).toMutableMap()
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state.collections.forEach { (key, items) -> mergedCollections[key] = items }
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detailCollections[state.flid] = mergedCollections
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detailCollections[state.flid] = state.collections
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}
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}
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}
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@@ -57,35 +57,39 @@ class SnapshotFlow(
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return
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}
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val gen = flightSchd.getGen(day)
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if (gen?.lastMessageId == messageId) {
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txManager.inTransaction {
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procState.update(head.cminmsgsId, ProcStatus.SUCCEEDED)
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}
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safeBackfill(head, msg)
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log.info("snapshot replay no-op id={} day={}", head.cminmsgsId, day)
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return
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}
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val expected = gen?.version ?: 0L
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val newFlids = normalized.map { it.first }.toSet()
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val delFields = gen?.flids?.minus(newFlids) ?: emptySet()
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val newVersion = expected + 1L
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val nextStates = normalized.map { (flid, fields) ->
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val current = flightSchd.findNextStateByFlid(flid)
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val commands = FlightStateEngine.commandsFromFields(flid, fields, snapshotReplace = true)
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FlightStateEngine.apply(current, commands, messageId, bumpVersion = true)
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}
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// v2 §5 事务流程:锁外只做解析与整包校验;取得 PIPELINE_LOCK 后在锁内
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// 复核快照身份 → 读取当前代与当前航班态 → 计算 nextState → 写入 → 提交。
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var replayNoOp = false
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try {
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txManager.inTransaction {
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// 锁内复核快照身份:同一消息已成功提交 → 重放短路(不加版本、不重复发事件)
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val gen = flightSchd.getGen(day)
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if (gen?.lastMessageId == messageId) {
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procState.update(head.cminmsgsId, ProcStatus.SUCCEEDED)
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replayNoOp = true
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return@inTransaction
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}
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val expected = gen?.version ?: 0L
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val newFlids = normalized.map { it.first }.toSet()
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val delFields = gen?.flids?.minus(newFlids) ?: emptySet()
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val newVersion = expected + 1L
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// 锁内读取当前航班态,计算 nextState(单写者互斥下读到的一定是已提交最新态)
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val nextStates = normalized.map { (flid, fields) ->
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val current = flightSchd.findNextStateByFlid(flid)
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val commands = FlightStateEngine.commandsFromFields(flid, fields, snapshotReplace = true)
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FlightStateEngine.apply(current, commands, messageId, bumpVersion = true)
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}
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flightSchd.persistNextStates(day, nextStates, snapshotReplace = true)
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if (delFields.isNotEmpty()) {
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flightSchd.deleteDiffByDay(day, delFields)
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}
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// 锁内 CAS:expected 即锁内刚读到的最新版本,仍失败属数据异常——
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// 一律回滚进入可重试 FAILED(INFRA),绝不凭版本号推断“已经是我的提交”(v2 §5)
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val casSuccess = flightSchd.putGenIfVersion(
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day = day,
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expected = expected,
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@@ -97,14 +101,9 @@ class SnapshotFlow(
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),
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)
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if (!casSuccess) {
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val again = flightSchd.getGen(day)
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val replayIdentity = again?.lastMessageId == messageId && again.version == newVersion
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if (!replayIdentity) {
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throw CasConflictException(
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"gen-cas-conflict: expected=$expected current=${again?.version} msg=${again?.lastMessageId}",
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)
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}
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log.info("gen idempotent replay within tx id={} day={}", head.cminmsgsId, day)
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throw CasConflictException(
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"gen-cas-conflict: expected=$expected msg=$messageId (lock-held CAS must not fail)",
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)
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}
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val schdKind = msg.kind as? MsgKind.Schd
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@@ -128,8 +127,13 @@ class SnapshotFlow(
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procState.update(head.cminmsgsId, ProcStatus.SUCCEEDED)
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}
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// 提交后补偿:重放短路同样补做回填(其待办可能仍在重试中)
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safeBackfill(head, msg)
|
||||
log.info("snapshot SUCCEEDED id={} day={} flights={}", head.cminmsgsId, day, normalized.size)
|
||||
if (replayNoOp) {
|
||||
log.info("snapshot replay no-op id={} day={}", head.cminmsgsId, day)
|
||||
} else {
|
||||
log.info("snapshot SUCCEEDED id={} day={} flights={}", head.cminmsgsId, day, normalized.size)
|
||||
}
|
||||
} catch (e: CasConflictException) {
|
||||
log.warn("gen CAS conflict -> FAILED(INFRA) id={} msg={}", head.cminmsgsId, e.message)
|
||||
procFailure.fail(head, ErrorClass.INFRA, e.message ?: "gen-cas-conflict")
|
||||
|
||||
@@ -142,4 +142,40 @@ class FlightStateEngineTest {
|
||||
val next = FlightStateEngine.apply(current, commands, "m2", bumpVersion = true)
|
||||
assertEquals(emptyList<Map<String, String>>(), next.collections["GTDT"])
|
||||
}
|
||||
|
||||
@Test
|
||||
fun `exception null payload translates to explicit clear and apply records cleared key`() {
|
||||
val current = FlightNextState(
|
||||
"F1",
|
||||
mapOf("FLNO" to "CA100", "FRET" to """{"REID":"R1","RSN":"diverted"}"""),
|
||||
emptyMap(),
|
||||
3L,
|
||||
"m1",
|
||||
)
|
||||
val commands = FlightStateEngine.commandsFromFields("F1", mapOf("FRET" to "null"), snapshotReplace = false)
|
||||
assertEquals(ScalarCommand.Clear, commands.scalars["FRET"])
|
||||
|
||||
val next = FlightStateEngine.apply(current, commands, "m2", bumpVersion = true)
|
||||
assertFalse(next.scalars.containsKey("FRET"))
|
||||
assertTrue(next.clearedKeys.contains("FRET"))
|
||||
assertEquals("CA100", next.scalars["FLNO"])
|
||||
|
||||
// 非空载荷仍为 Set,且清空后的下一跳 Set 恢复键(clearedKeys 不跨消息携带)
|
||||
val restored = FlightStateEngine.apply(
|
||||
next,
|
||||
FlightStateEngine.commandsFromFields("F1", mapOf("FRET" to """{"REID":"R2"}"""), snapshotReplace = false),
|
||||
"m3",
|
||||
bumpVersion = true,
|
||||
)
|
||||
assertEquals("""{"REID":"R2"}""", restored.scalars["FRET"])
|
||||
assertFalse(restored.clearedKeys.contains("FRET"))
|
||||
}
|
||||
|
||||
@Test
|
||||
fun `exception clear accepts null literal empty object and empty string`() {
|
||||
for (payload in listOf("null", "{}", "")) {
|
||||
val commands = FlightStateEngine.commandsFromFields("F1", mapOf("FDIV" to payload), snapshotReplace = false)
|
||||
assertEquals(ScalarCommand.Clear, commands.scalars["FDIV"], "payload=[$payload] must be Clear")
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
+45
@@ -693,6 +693,51 @@ class FlightSchdJdbcPgTest {
|
||||
assertEquals(Triple("Z1", null, 1), after)
|
||||
}
|
||||
|
||||
@Test
|
||||
fun `PG dialect - exception object explicit clear writes null columns and omits wire key`() {
|
||||
val day = "2026-09-07"
|
||||
val flid = "TEST_EXC_CLEAR"
|
||||
val engine = com.gzzn.omms.msgexchange.domain.flight.FlightStateEngine
|
||||
|
||||
// 1. 快照写入返航异常对象 → 主表前缀标量列
|
||||
repo.persistNextStates(
|
||||
day,
|
||||
listOf(
|
||||
engine.apply(
|
||||
null,
|
||||
engine.commandsFromFields(flid, mapOf("FRET" to """{"REID":"CA108","RSN":"diverted"}"""), snapshotReplace = true),
|
||||
"msg-exc-1", bumpVersion = true,
|
||||
),
|
||||
),
|
||||
snapshotReplace = true,
|
||||
)
|
||||
val stored1 = ds.queryOne(
|
||||
"SELECT fret_reid, fret_rsn FROM flight_schd WHERE flid = ?",
|
||||
{ ps -> ps.setString(1, flid) },
|
||||
) { rs -> listOf(rs.getString("fret_reid"), rs.getString("fret_rsn")) }
|
||||
assertEquals(listOf("CA108", "diverted"), stored1)
|
||||
|
||||
// 2. 增量显式清除(FRET="null")→ 列置 NULL,读视图无 FRET 键(评审 F4 修复闭环)
|
||||
repo.persistNextStates(
|
||||
null,
|
||||
listOf(
|
||||
engine.apply(
|
||||
repo.findNextStateByFlid(flid),
|
||||
engine.commandsFromFields(flid, mapOf("FRET" to "null"), snapshotReplace = false),
|
||||
"msg-exc-2", bumpVersion = true,
|
||||
),
|
||||
),
|
||||
snapshotReplace = false,
|
||||
)
|
||||
val stored2 = ds.queryOne(
|
||||
"SELECT fret_reid, fret_rsn FROM flight_schd WHERE flid = ?",
|
||||
{ ps -> ps.setString(1, flid) },
|
||||
) { rs -> listOf(rs.getString("fret_reid"), rs.getString("fret_rsn")) }
|
||||
assertEquals(listOf(null, null), stored2)
|
||||
assertNull(repo.findByFlid(flid)!!["FRET"])
|
||||
assertNull(repo.findNextStateByFlid(flid)!!.scalars["FRET"])
|
||||
}
|
||||
|
||||
private fun assertLegacyCollectionColumnsAllNull(flid: String) {
|
||||
val columnList = com.gzzn.omms.msgexchange.support.LEGACY_COLLECTION_STORAGE_COLUMNS.joinToString(", ")
|
||||
ds.queryOne(
|
||||
|
||||
Reference in New Issue
Block a user