85 lines
2.2 KiB
JavaScript
85 lines
2.2 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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const log = require("./log");
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const events = require("events");
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class LastChainItem {
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begin() {
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}
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send(message) {
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log.info(`Last chain item, final result ${JSON.stringify(message)}`);
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}
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}
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let lastChainItem = new LastChainItem();
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class AChainItem extends events.EventEmitter {
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constructor(label) {
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super();
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this.label = label;
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this.next = lastChainItem;
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}
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toString() {
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return `<${this.label}>`;
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}
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registerNext(next) {
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this.next = next;
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}
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send(message) {
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log.info(`Calling ${this.label} with ${message}`);
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this.emit('yourturn', message);
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}
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}
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exports.AChainItem = AChainItem;
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class AAsyncBaseChainItem extends AChainItem {
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constructor(label) {
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super(label);
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}
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begin() {
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if (this.next != null) {
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this.next.begin();
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}
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this.addListener('yourturn', (message) => {
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log.info(`Executing ${this.toString()}`);
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try {
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this.func(message, this.next.send);
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}
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catch (e) {
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log.error(`Chain interrupted: ${e}`);
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}
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});
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}
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}
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exports.AAsyncBaseChainItem = AAsyncBaseChainItem;
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class ABaseChainItem extends AChainItem {
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constructor(label) {
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super(label);
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}
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begin() {
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if (this.next != null) {
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this.next.begin();
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}
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this.addListener('yourturn', (message) => {
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log.info(`Executing ${this.toString()}`);
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try {
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let result = this.func(message);
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this.next.send(result);
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}
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catch (e) {
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log.error(`Chain interrupted: ${e}`);
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}
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});
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}
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}
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exports.ABaseChainItem = ABaseChainItem;
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class ChainItem extends ABaseChainItem {
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toString() {
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let funcName = (this.chainItemFunc.name === "") ? "lambda" : this.chainItemFunc.name;
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return `<${funcName}, ${this.label}>`;
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}
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registerFunc(func) {
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this.chainItemFunc = func;
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}
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func(message) {
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return this.chainItemFunc(message);
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}
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}
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exports.ChainItem = ChainItem;
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//# sourceMappingURL=callchain.js.map
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