@aitianyu.cn/tianyu-store/dist/lib/src/store/modules/InstanceParentHolder.js

tianyu storage for nodejs.

"use strict";
/** @format */
Object.defineProperty(exports, "__esModule", { value: true });
exports.InstanceParentHolder = void 0;
const InstanceIdImpl_1 = require("../impl/InstanceIdImpl");
const Message_1 = require("../../infra/Message");
class InstanceParentHolder {
    removed;
    constructor() {
        this.removed = {
            root: "",
            parent: "",
            instances: [],
        };
    }
    createInstance(instanceId, instanceMap) {
        const parent = instanceId.parent;
        const instanceIdString = instanceId.toString();
        if (InstanceIdImpl_1.InstanceIdImpl.isAncestor(parent)) {
            // parent is ancestor, raw instance should be root node
            instanceMap.parentMap[instanceIdString] = null;
        }
        else {
            // should check parent
            const parentInstanceString = parent.toString();
            const childrenList = instanceMap.childrenMap[parentInstanceString];
            if (!childrenList) {
                throw new Error(Message_1.MessageBundle.getText("CREATE_INSTANCE_PARENT_NOT_INIT", instanceIdString));
            }
            childrenList.push(instanceIdString);
            // set parent relations
            instanceMap.parentMap[instanceIdString] = parentInstanceString;
        }
        // always set child list
        instanceMap.childrenMap[instanceIdString] = [];
    }
    applyChanges(instanceMap) {
        for (const item of this.removed.instances) {
            instanceMap.childrenMap[item] !== undefined && delete instanceMap.childrenMap[item];
            instanceMap.parentMap[item] !== undefined && delete instanceMap.parentMap[item];
        }
        const rootChildren = instanceMap.childrenMap[this.removed.root];
        if (rootChildren) {
            rootChildren.splice(rootChildren.indexOf(this.removed.parent), 1);
        }
        this.removed = {
            root: "",
            parent: "",
            instances: [],
        };
    }
    discardChanges() {
        this.removed = {
            root: "",
            parent: "",
            instances: [],
        };
    }
    removeInstance(instanceId, instanceMap) {
        const parentInstanceIdString = instanceMap.parentMap[instanceId] || "";
        const removedChildren = [instanceId, ...this.removeChild(instanceId, instanceMap)];
        this.removed = {
            root: parentInstanceIdString,
            parent: instanceId,
            instances: removedChildren,
        };
        return removedChildren;
    }
    removeChild(instanceId, instanceMap) {
        const instances = [];
        const childrens = instanceMap.childrenMap[instanceId] || [];
        for (const child of childrens) {
            // remove all children
            const removedChildren = this.removeChild(child, instanceMap);
            instances.push(child);
            instances.push(...removedChildren);
        }
        return instances;
    }
}
exports.InstanceParentHolder = InstanceParentHolder;
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