增加了组件上的select接口，可以在应用runningTree上的更新后再去取数

es/page.common.d.ts

@@ -17,3 +17,4 @@ opers?: Array<{
 }>): Promise<void>;
 export declare function destroyNode<ED extends EntityDict & BaseEntityDict, T extends keyof ED>(this: ComponentFullThisType<ED, T>, isPage: boolean, path: string): void;
 export declare function getFreshValue<ED extends EntityDict & BaseEntityDict, T extends keyof ED>(this: ComponentFullThisType<ED, T>, path: string): Partial<ED[keyof ED]["Schema"]> | Partial<ED[keyof ED]["Schema"]>[] | undefined;
+export declare function select<ED extends EntityDict & BaseEntityDict, T extends keyof ED, T2 extends keyof ED>(this: ComponentFullThisType<ED, T>, entity: T2, selection: ED[T2]['Selection']): Partial<ED[T2]["Schema"]>[];

es/page.common.js

@@ -604,3 +604,19 @@ export function getFreshValue(path) {
         assert(false);
     }
 }
+export function select(entity, selection) {
+    const rollback = this.features.runningTree.begin();
+    try {
+        const path = this.state.oakFullpath;
+        this.features.runningTree.redoBranchModis(`${path}.any:next`);
+        this.features.runningTree.redoBranchOperations(path);
+        const result = this.features.cache.get(entity, selection);
+        rollback();
+        return result;
+    }
+    catch (err) {
+        rollback();
+        console.error(err);
+        assert(false);
+    }
+}

es/page.mp.js

@@ -1,7 +1,7 @@
 /// <reference path="../node_modules/@types/wechat-miniprogram/index.d.ts" />
 import { assert } from 'oak-domain/lib/utils/assert';
 import { OakException } from 'oak-domain/lib/types';
-import { onPathSet, reRender, refresh, loadMore, execute, destroyNode, getFreshValue, } from './page.common';
+import { onPathSet, reRender, refresh, loadMore, execute, destroyNode, getFreshValue, select } from './page.common';
 import { cloneDeep, pull } from 'oak-domain/lib/utils/lodash';
 const OakProperties = {
     oakId: '',
@@ -182,6 +182,9 @@ const oakBehavior = Behavior({
                 : this.state.oakFullpath;
             return getFreshValue.call(this, path2);
         },
+        select(entity, selection) {
+            return select.call(this, entity, selection);
+        },
         checkOperation(entity, { action, data, filter }, checkerTypes) {
             return this.features.cache.checkOperation(entity, {
                 action,

es/page.react.d.ts

@@ -75,7 +75,8 @@ export declare function createComponent<IsList extends boolean, ED extends Entit
         }[] | undefined): Promise<void>;
         isDirty(path?: string | undefined): boolean;
         getFreshValue(path?: string | undefined): Partial<import("oak-domain/lib/types").GeneralEntityShape> | Partial<import("oak-domain/lib/types").GeneralEntityShape>[] | undefined;
-        checkOperation<T2_2 extends keyof ED>(entity: T2_2, operation: Omit<ED[T2_2]["Operation"], "id">, checkerTypes?: CheckerType[] | undefined): boolean | { [A in ED[T2_2]["Action"]]: boolean | import("oak-domain/lib/types").OakUserException<ED>; }[ED[T2_2]["Action"]];
+        select<T2_2 extends keyof ED>(entity: T2_2, selection: ED[T2_2]["Selection"]): Partial<import("oak-domain/lib/types").GeneralEntityShape>[];
+        checkOperation<T2_3 extends keyof ED>(entity: T2_3, operation: Omit<ED[T2_3]["Operation"], "id">, checkerTypes?: CheckerType[] | undefined): boolean | { [A in ED[T2_3]["Action"]]: boolean | import("oak-domain/lib/types").OakUserException<ED>; }[ED[T2_3]["Action"]];
         tryExecute(path?: string | undefined, action?: string | undefined): boolean | { [A_1 in ED[keyof ED]["Action"]]: boolean | import("oak-domain/lib/types").OakUserException<ED>; }[ED[keyof ED]["Action"]];
         getOperations<T_7 extends keyof ED>(path?: string | undefined): {
             entity: keyof ED;

es/page.react.js

@@ -2,7 +2,7 @@ import { assert } from 'oak-domain/lib/utils/assert';
 import React from 'react';
 import { get, pull } from 'oak-domain/lib/utils/lodash';
 import { OakException } from 'oak-domain/lib/types';
-import { onPathSet, reRender, refresh, loadMore, execute, destroyNode, getFreshValue, } from './page.common';
+import { onPathSet, reRender, refresh, loadMore, execute, destroyNode, getFreshValue, select, } from './page.common';
 class OakComponentBase extends React.PureComponent {
     oakFullpath = '';
     featuresSubscribed = [];
@@ -176,6 +176,9 @@ class OakComponentBase extends React.PureComponent {
             : this.state.oakFullpath;
         return getFreshValue.call(this, path2);
     }
+    select(entity, selection) {
+        return select.call(this, entity, selection);
+    }
     checkOperation(entity, operation, checkerTypes) {
         return this.features.cache.checkOperation(entity, operation, checkerTypes);
     }

es/types/Page.d.ts

@@ -245,6 +245,7 @@ export type OakCommonComponentMethods<ED extends EntityDict & BaseEntityDict, T
     consumeMessage: () => MessageProps | undefined;
     reRender: (extra?: Record<string, any>) => void;
     getFreshValue: (path?: string) => Partial<ED[keyof ED]['Schema']>[] | Partial<ED[keyof ED]['Schema']> | undefined;
+    select: <T2 extends keyof ED>(entity: T2, selection: ED[T2]['Selection']) => Partial<ED[T2]['Schema']>[];
     navigateTo: <T2 extends keyof ED>(options: {
         url: string;
     } & OakNavigateToParameters<ED, T2>, state?: Record<string, any>, disableNamespace?: boolean) => Promise<void>;

lib/page.common.d.ts

@@ -17,3 +17,4 @@ opers?: Array<{
 }>): Promise<void>;
 export declare function destroyNode<ED extends EntityDict & BaseEntityDict, T extends keyof ED>(this: ComponentFullThisType<ED, T>, isPage: boolean, path: string): void;
 export declare function getFreshValue<ED extends EntityDict & BaseEntityDict, T extends keyof ED>(this: ComponentFullThisType<ED, T>, path: string): Partial<ED[keyof ED]["Schema"]> | Partial<ED[keyof ED]["Schema"]>[] | undefined;
+export declare function select<ED extends EntityDict & BaseEntityDict, T extends keyof ED, T2 extends keyof ED>(this: ComponentFullThisType<ED, T>, entity: T2, selection: ED[T2]['Selection']): Partial<ED[T2]["Schema"]>[];

lib/page.common.js

@@ -1,6 +1,6 @@
 "use strict";
 Object.defineProperty(exports, "__esModule", { value: true });
-exports.getFreshValue = exports.destroyNode = exports.execute = exports.loadMore = exports.refresh = exports.reRender = exports.onPathSet = void 0;
+exports.select = exports.getFreshValue = exports.destroyNode = exports.execute = exports.loadMore = exports.refresh = exports.reRender = exports.onPathSet = void 0;
 const assert_1 = require("oak-domain/lib/utils/assert");
 const lodash_1 = require("oak-domain/lib/utils/lodash");
 const relation_1 = require("oak-domain/lib/store/relation");
@@ -614,3 +614,20 @@ function getFreshValue(path) {
     }
 }
 exports.getFreshValue = getFreshValue;
+function select(entity, selection) {
+    const rollback = this.features.runningTree.begin();
+    try {
+        const path = this.state.oakFullpath;
+        this.features.runningTree.redoBranchModis(`${path}.any:next`);
+        this.features.runningTree.redoBranchOperations(path);
+        const result = this.features.cache.get(entity, selection);
+        rollback();
+        return result;
+    }
+    catch (err) {
+        rollback();
+        console.error(err);
+        (0, assert_1.assert)(false);
+    }
+}
+exports.select = select;

lib/page.mp.js

@@ -185,6 +185,9 @@ const oakBehavior = Behavior({
                 : this.state.oakFullpath;
             return page_common_1.getFreshValue.call(this, path2);
         },
+        select(entity, selection) {
+            return page_common_1.select.call(this, entity, selection);
+        },
         checkOperation(entity, { action, data, filter }, checkerTypes) {
             return this.features.cache.checkOperation(entity, {
                 action,

lib/page.react.d.ts

@@ -75,7 +75,8 @@ export declare function createComponent<IsList extends boolean, ED extends Entit
         }[] | undefined): Promise<void>;
         isDirty(path?: string | undefined): boolean;
         getFreshValue(path?: string | undefined): Partial<import("oak-domain/lib/types").GeneralEntityShape> | Partial<import("oak-domain/lib/types").GeneralEntityShape>[] | undefined;
-        checkOperation<T2_2 extends keyof ED>(entity: T2_2, operation: Omit<ED[T2_2]["Operation"], "id">, checkerTypes?: CheckerType[] | undefined): boolean | { [A in ED[T2_2]["Action"]]: boolean | import("oak-domain/lib/types").OakUserException<ED>; }[ED[T2_2]["Action"]];
+        select<T2_2 extends keyof ED>(entity: T2_2, selection: ED[T2_2]["Selection"]): Partial<import("oak-domain/lib/types").GeneralEntityShape>[];
+        checkOperation<T2_3 extends keyof ED>(entity: T2_3, operation: Omit<ED[T2_3]["Operation"], "id">, checkerTypes?: CheckerType[] | undefined): boolean | { [A in ED[T2_3]["Action"]]: boolean | import("oak-domain/lib/types").OakUserException<ED>; }[ED[T2_3]["Action"]];
         tryExecute(path?: string | undefined, action?: string | undefined): boolean | { [A_1 in ED[keyof ED]["Action"]]: boolean | import("oak-domain/lib/types").OakUserException<ED>; }[ED[keyof ED]["Action"]];
         getOperations<T_7 extends keyof ED>(path?: string | undefined): {
             entity: keyof ED;

lib/page.react.js

@@ -181,6 +181,9 @@ class OakComponentBase extends react_1.default.PureComponent {
             : this.state.oakFullpath;
         return page_common_1.getFreshValue.call(this, path2);
     }
+    select(entity, selection) {
+        return page_common_1.select.call(this, entity, selection);
+    }
     checkOperation(entity, operation, checkerTypes) {
         return this.features.cache.checkOperation(entity, operation, checkerTypes);
     }

lib/types/Page.d.ts

@@ -245,6 +245,7 @@ export type OakCommonComponentMethods<ED extends EntityDict & BaseEntityDict, T
     consumeMessage: () => MessageProps | undefined;
     reRender: (extra?: Record<string, any>) => void;
     getFreshValue: (path?: string) => Partial<ED[keyof ED]['Schema']>[] | Partial<ED[keyof ED]['Schema']> | undefined;
+    select: <T2 extends keyof ED>(entity: T2, selection: ED[T2]['Selection']) => Partial<ED[T2]['Schema']>[];
     navigateTo: <T2 extends keyof ED>(options: {
         url: string;
     } & OakNavigateToParameters<ED, T2>, state?: Record<string, any>, disableNamespace?: boolean) => Promise<void>;

src/page.common.ts

@@ -747,4 +747,25 @@ export function getFreshValue<
         console.error(err);
         assert(false);
     }
+}
+
+export function select<
+    ED extends EntityDict & BaseEntityDict,
+    T extends keyof ED,
+    T2 extends keyof ED
+>(this: ComponentFullThisType<ED, T>, entity: T2, selection: ED[T2]['Selection']) {
+    const rollback = this.features.runningTree.begin();
+    try {
+        const path = this.state.oakFullpath;
+        this.features.runningTree.redoBranchModis(`${path}.any:next`);
+        this.features.runningTree.redoBranchOperations(path);
+        const result = this.features.cache.get(entity, selection);
+        rollback();
+        return result;
+    }
+    catch(err) {
+        rollback();
+        console.error(err);
+        assert(false);
+    }
 }

src/page.mp.ts

@@ -17,6 +17,7 @@ import {
     onPathSet, reRender, refresh,
     loadMore, execute,
     destroyNode, getFreshValue,
+    select
 } from './page.common';
 import { MessageProps } from './types/Message';
 import { NotificationProps } from './types/Notification';
@@ -309,6 +310,11 @@ const oakBehavior = Behavior<
             return getFreshValue.call(this as any, path2);
         },
 
+        
+        select<T2 extends keyof EDD>(entity: T2, selection: EDD[T2]['Selection']) {
+            return select.call(this as any, entity as any, selection);
+        },
+
         checkOperation(entity, { action, data, filter }, checkerTypes) {
             return this.features.cache.checkOperation(
                 entity,

src/page.react.tsx

@@ -22,6 +22,7 @@ import {
     onPathSet, reRender, refresh,
     loadMore, execute,
     destroyNode, getFreshValue,
+    select,
 } from './page.common';
 import { MessageProps } from './types/Message';
 import { NotificationProps } from './types/Notification';
@@ -346,6 +347,10 @@ abstract class OakComponentBase<
         return getFreshValue.call(this as any, path2);
     }
 
+    select<T2 extends keyof ED>(entity: T2, selection: ED[T2]['Selection']) {
+        return select.call(this as any, entity as any, selection);
+    }
+
     checkOperation<T2 extends keyof ED>(
         entity: T2,
         operation: Omit<ED[T2]['Operation'], 'id'>,

src/types/Page.ts

@@ -447,6 +447,8 @@ export type OakCommonComponentMethods<
             | Partial<ED[keyof ED]['Schema']>[]
             | Partial<ED[keyof ED]['Schema']>
             | undefined;
+        /*这个方法是将当前node上的modi和operation应用后再去cache中获取对应的数据 */
+        select: <T2 extends keyof ED>(entity: T2, selection: ED[T2]['Selection']) => Partial<ED[T2]['Schema']>[];
         navigateTo: <T2 extends keyof ED>(
             options: { url: string } & OakNavigateToParameters<ED, T2>,
             state?: Record<string, any>,