Sync相关的数据结构重新设计和定义

lib/store/AsyncRowStore.d.ts

@@ -50,7 +50,7 @@ export declare abstract class AsyncContext<ED extends EntityDict> implements Con
     abstract getCurrentUserId(allowUnloggedIn?: boolean): string | undefined;
     abstract setCurrentUserId(userId: string | undefined): void;
     abstract toString(): Promise<string>;
-    abstract initialize(data: any): Promise<void>;
+    abstract initialize(data: any, later?: boolean): Promise<void>;
     abstract allowUserUpdate(): boolean;
     abstract openRootMode(): () => void;
 }

lib/store/TriggerExecutor.js

@@ -153,7 +153,7 @@ class TriggerExecutor {
         (0, assert_1.default)(trigger.when === 'commit');
         if (trigger.strict === 'makeSure') {
             const uuid = await (0, uuid_1.generateNewIdAsync)();
-            const cxtStr = context.toString();
+            const cxtStr = await context.toString();
             const { data } = operation;
             switch (operation.action) {
                 case 'create': {
@@ -193,7 +193,7 @@ class TriggerExecutor {
                     Object.assign(d, {
                         [Entity_1.TriggerDataAttribute]: {
                             name: trigger.name,
-                            cxtStr: context.toString(),
+                            cxtStr,
                             option,
                         },
                         [Entity_1.TriggerUuidAttribute]: uuid,
@@ -445,14 +445,14 @@ class TriggerExecutor {
                 }, {
                     includedDeleted: true,
                     dontCollect: true,
-                    forUpdate: true,
+                    forUpdate: 'skip locked', // 防止某个跨事务trigger的逻辑执行周期太长
                 });
                 const grouped = (0, lodash_1.groupBy)(rows, Entity_1.TriggerUuidAttribute);
                 for (const uuid in grouped) {
                     const rs = grouped[uuid];
                     const { [Entity_1.TriggerDataAttribute]: triggerData } = rs[0];
                     const { name, cxtStr, option } = triggerData;
-                    // await context.initialize(JSON.parse(cxtStr));        // 这里token有可能过期（用户注销），先用root态模拟吧
+                    await context.initialize(JSON.parse(cxtStr), true);
                     await this.execVolatileTrigger(entity, name, rs.map(ele => ele.id), context, option);
                 }
                 await context.commit();

lib/types/Entity.d.ts

@@ -26,7 +26,7 @@ export type SelectOption = {
     dontCollect?: boolean;
     blockTrigger?: true;
     obscure?: boolean;
-    forUpdate?: true;
+    forUpdate?: true | 'skip locked' | 'no wait';
     includedDeleted?: true;
     ignoreAttrMiss?: true;
     dummy?: 1;

lib/types/Sync.d.ts

@@ -11,6 +11,7 @@ export type RemotePullInfo = {
     publicKey: string;
     algorithm: Algorithm;
     userId: string;
+    cxtInfo?: any;
 };
 export type SelfEncryptInfo = {
     id: string;
@@ -43,7 +44,6 @@ export interface PushEntityDef<ED extends EntityDict & BaseEntityDict, T extends
 }
 export interface SyncRemoteConfigBase<ED extends EntityDict & BaseEntityDict, Cxt extends AsyncContext<ED>> {
     entity: keyof ED;
-    entitySelf?: keyof ED;
     endpoint?: string;
     pathToUser?: string;
     relationName?: string;
@@ -51,12 +51,18 @@ export interface SyncRemoteConfigBase<ED extends EntityDict & BaseEntityDict, Cx
     pullEntities?: Array<PullEntityDef<ED, keyof ED, Cxt>>;
 }
 interface SyncRemoteConfig<ED extends EntityDict & BaseEntityDict, Cxt extends AsyncContext<ED>> extends SyncRemoteConfigBase<ED, Cxt> {
-    getPushInfo: (userId: string, context: Cxt) => Promise<RemotePushInfo>;
+    getPushInfo: (context: Cxt, option: {
-    getPullInfo: (id: string, context: Cxt) => Promise<RemotePullInfo>;
+        remoteEntityId: string;
+        userId: string;
+    }) => Promise<RemotePushInfo>;
+    getPullInfo: (context: Cxt, option: {
+        selfId: string;
+        remoteEntityId: string;
+    }) => Promise<RemotePullInfo>;
 }
 export interface SyncSelfConfigBase<ED extends EntityDict & BaseEntityDict> {
     endpoint?: string;
-    entitySelf: keyof ED;
+    entity: keyof ED;
 }
 interface SyncSelfConfig<ED extends EntityDict & BaseEntityDict, Cxt extends AsyncContext<ED>> extends SyncSelfConfigBase<ED> {
     getSelfEncryptInfo: (context: Cxt) => Promise<SelfEncryptInfo>;

src/store/AsyncRowStore.ts

@@ -225,7 +225,8 @@ export abstract class AsyncContext<ED extends EntityDict> implements Context {
     abstract toString(): Promise<string>;
 
     // 此接口将字符串parse成对象再进行初始化
-    abstract initialize(data: any): Promise<void>;
+    // later表示允许延时状态，上下文要处理在时间维度上可能的异常（比如用户token已经注销等）
+    abstract initialize(data: any, later?: boolean): Promise<void>;
 
     abstract allowUserUpdate(): boolean;
 

src/store/TriggerExecutor.ts

@@ -206,7 +206,7 @@ export class TriggerExecutor<ED extends EntityDict & BaseEntityDict, Cxt extends
         assert(trigger.when === 'commit');
         if (trigger.strict === 'makeSure') {
             const uuid = await generateNewIdAsync();
-            const cxtStr = context.toString();
+            const cxtStr = await context.toString();
             const { data } = operation;
             switch (operation.action) {
                 case 'create': {
@@ -251,7 +251,7 @@ export class TriggerExecutor<ED extends EntityDict & BaseEntityDict, Cxt extends
                         Object.assign(d, {
                             [TriggerDataAttribute]: {
                                 name: trigger.name,
-                                cxtStr: context.toString(),
+                                cxtStr,
                                 option,
                             },
                             [TriggerUuidAttribute]: uuid,
@@ -554,7 +554,7 @@ export class TriggerExecutor<ED extends EntityDict & BaseEntityDict, Cxt extends
                 } as any, {
                     includedDeleted: true,
                     dontCollect: true,
-                    forUpdate: true,
+                    forUpdate: 'skip locked',           // 防止某个跨事务trigger的逻辑执行周期太长
                 });
 
                 const grouped = groupBy(rows, TriggerUuidAttribute);
@@ -563,7 +563,7 @@ export class TriggerExecutor<ED extends EntityDict & BaseEntityDict, Cxt extends
                     const rs = grouped[uuid];
                     const { [TriggerDataAttribute]: triggerData } = rs[0];
                     const { name, cxtStr, option } = triggerData!;
-                    // await context.initialize(JSON.parse(cxtStr));        // 这里token有可能过期（用户注销），先用root态模拟吧
+                    await context.initialize(JSON.parse(cxtStr), true);
                     await this.execVolatileTrigger(entity, name, rs.map(ele => ele.id!), context, option);
                 }
                 await context.commit();

src/types/Entity.ts

@@ -31,7 +31,7 @@ export type SelectOption = {
     dontCollect?: boolean;
     blockTrigger?: true;
     obscure?: boolean;                                  // 如果为置为true，则在filter过程中因数据不完整而不能判断为真的时候都假设为真（前端缓存专用）
-    forUpdate?: true;
+    forUpdate?: true | 'skip locked' | 'no wait';       // mysql 8.0以上支持的加锁方式
     includedDeleted?: true;                             // 是否包含删除行的信息
     ignoreAttrMiss?: true;                              // 作为cache时是否允许属性缺失
     dummy?: 1;                                          // 无用，为了继承Option通过编译

src/types/Sync.ts

@@ -14,6 +14,7 @@ export type RemotePullInfo = {
     publicKey: string;
     algorithm: Algorithm;
     userId: string;
+    cxtInfo?: any;
 };
 
 export type SelfEncryptInfo = {
@@ -53,8 +54,7 @@ export interface PushEntityDef<ED extends EntityDict & BaseEntityDict, T extends
 
 
 export interface SyncRemoteConfigBase<ED extends EntityDict & BaseEntityDict, Cxt extends AsyncContext<ED>> {
-    entity: keyof ED;                                   // 对方结点所关联的entity名称
+    entity: keyof ED;                                   // 对方结点所关联的entity名称（两边一致）    
-    entitySelf?: keyof ED;                              // 自己在对方结点上所定义的entity名称（如果不配置则使用selfConfigBase上的entitySelf）
     endpoint?: string;                                  // 对方结点同步数据的endpoint，默认为/sync/:entity
     pathToUser?: string;                                // entity到对应remote user的路径（如果remote user和enitity之间是relation关系则为空）
     relationName?: string;                              // 如果remote user和entity之间是relation关系，此处表达的是relation名称）
@@ -63,13 +63,19 @@ export interface SyncRemoteConfigBase<ED extends EntityDict & BaseEntityDict, Cx
 };
 
 interface SyncRemoteConfig<ED extends EntityDict & BaseEntityDict, Cxt extends AsyncContext<ED>> extends SyncRemoteConfigBase<ED, Cxt> {
-    getPushInfo: (userId: string, context: Cxt) => Promise<RemotePushInfo>;
+    getPushInfo: (context: Cxt, option: {
-    getPullInfo: (id: string, context: Cxt) => Promise<RemotePullInfo>;
+        remoteEntityId: string;
+        userId: string;
+    }) => Promise<RemotePushInfo>;
+    getPullInfo: (context: Cxt, option: {
+        selfId: string, 
+        remoteEntityId: string,
+    }) => Promise<RemotePullInfo>;
 };
 
 export interface SyncSelfConfigBase<ED extends EntityDict & BaseEntityDict> {
     endpoint?: string;              // 本结点同步数据的endpoint，默认为/sync
-    entitySelf: keyof ED;           // 自己在对方结点上的默认entity名称
+    entity: keyof ED;               // 本方结点所关联的entity名称（两边一致）
 };
 
 interface SyncSelfConfig<ED extends EntityDict & BaseEntityDict, Cxt extends AsyncContext<ED>> extends SyncSelfConfigBase<ED>{